Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils
Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers du...
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Gespeichert in:
| Autor*in: |
Liu, Haiyang [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies - Viscusi, Gianluca ELSEVIER, 2022, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:156 ; year:2021 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.soilbio.2021.108192 |
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ELV053674596 |
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| 245 | 1 | 0 | |a Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils |
| 264 | 1 | |c 2021transfer abstract | |
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| 520 | |a Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. | ||
| 520 | |a Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. | ||
| 650 | 7 | |a Comammox |2 Elsevier | |
| 650 | 7 | |a Ammonia-oxidizing archaea |2 Elsevier | |
| 650 | 7 | |a Autotrophic nitrification |2 Elsevier | |
| 650 | 7 | |a Organic substances |2 Elsevier | |
| 650 | 7 | |a Ammonia-oxidizing bacteria |2 Elsevier | |
| 700 | 1 | |a Hu, Hangwei |4 oth | |
| 700 | 1 | |a Huang, Xing |4 oth | |
| 700 | 1 | |a Ge, Tida |4 oth | |
| 700 | 1 | |a Li, Yongfu |4 oth | |
| 700 | 1 | |a Zhu, Zhenke |4 oth | |
| 700 | 1 | |a Liu, Xingmei |4 oth | |
| 700 | 1 | |a Tan, Wenfeng |4 oth | |
| 700 | 1 | |a Jia, Zhongjun |4 oth | |
| 700 | 1 | |a Di, Hongjie |4 oth | |
| 700 | 1 | |a Xu, Jianming |4 oth | |
| 700 | 1 | |a Li, Yong |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Viscusi, Gianluca ELSEVIER |t Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies |d 2022 |g Amsterdam [u.a.] |w (DE-627)ELV007627629 |
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10.1016/j.soilbio.2021.108192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001530.pica (DE-627)ELV053674596 (ELSEVIER)S0038-0717(21)00064-X DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Liu, Haiyang verfasserin aut Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Comammox Elsevier Ammonia-oxidizing archaea Elsevier Autotrophic nitrification Elsevier Organic substances Elsevier Ammonia-oxidizing bacteria Elsevier Hu, Hangwei oth Huang, Xing oth Ge, Tida oth Li, Yongfu oth Zhu, Zhenke oth Liu, Xingmei oth Tan, Wenfeng oth Jia, Zhongjun oth Di, Hongjie oth Xu, Jianming oth Li, Yong oth Enthalten in Elsevier Science Viscusi, Gianluca ELSEVIER Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies 2022 Amsterdam [u.a.] (DE-627)ELV007627629 volume:156 year:2021 pages:0 https://doi.org/10.1016/j.soilbio.2021.108192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.18 Kolloidchemie Grenzflächenchemie VZ 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 52.78 Oberflächentechnik Wärmebehandlung VZ 58.20 Chemische Technologien: Allgemeines VZ AR 156 2021 0 |
| spelling |
10.1016/j.soilbio.2021.108192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001530.pica (DE-627)ELV053674596 (ELSEVIER)S0038-0717(21)00064-X DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Liu, Haiyang verfasserin aut Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Comammox Elsevier Ammonia-oxidizing archaea Elsevier Autotrophic nitrification Elsevier Organic substances Elsevier Ammonia-oxidizing bacteria Elsevier Hu, Hangwei oth Huang, Xing oth Ge, Tida oth Li, Yongfu oth Zhu, Zhenke oth Liu, Xingmei oth Tan, Wenfeng oth Jia, Zhongjun oth Di, Hongjie oth Xu, Jianming oth Li, Yong oth Enthalten in Elsevier Science Viscusi, Gianluca ELSEVIER Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies 2022 Amsterdam [u.a.] (DE-627)ELV007627629 volume:156 year:2021 pages:0 https://doi.org/10.1016/j.soilbio.2021.108192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.18 Kolloidchemie Grenzflächenchemie VZ 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 52.78 Oberflächentechnik Wärmebehandlung VZ 58.20 Chemische Technologien: Allgemeines VZ AR 156 2021 0 |
| allfields_unstemmed |
10.1016/j.soilbio.2021.108192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001530.pica (DE-627)ELV053674596 (ELSEVIER)S0038-0717(21)00064-X DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Liu, Haiyang verfasserin aut Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Comammox Elsevier Ammonia-oxidizing archaea Elsevier Autotrophic nitrification Elsevier Organic substances Elsevier Ammonia-oxidizing bacteria Elsevier Hu, Hangwei oth Huang, Xing oth Ge, Tida oth Li, Yongfu oth Zhu, Zhenke oth Liu, Xingmei oth Tan, Wenfeng oth Jia, Zhongjun oth Di, Hongjie oth Xu, Jianming oth Li, Yong oth Enthalten in Elsevier Science Viscusi, Gianluca ELSEVIER Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies 2022 Amsterdam [u.a.] (DE-627)ELV007627629 volume:156 year:2021 pages:0 https://doi.org/10.1016/j.soilbio.2021.108192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.18 Kolloidchemie Grenzflächenchemie VZ 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 52.78 Oberflächentechnik Wärmebehandlung VZ 58.20 Chemische Technologien: Allgemeines VZ AR 156 2021 0 |
| allfieldsGer |
10.1016/j.soilbio.2021.108192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001530.pica (DE-627)ELV053674596 (ELSEVIER)S0038-0717(21)00064-X DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Liu, Haiyang verfasserin aut Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Comammox Elsevier Ammonia-oxidizing archaea Elsevier Autotrophic nitrification Elsevier Organic substances Elsevier Ammonia-oxidizing bacteria Elsevier Hu, Hangwei oth Huang, Xing oth Ge, Tida oth Li, Yongfu oth Zhu, Zhenke oth Liu, Xingmei oth Tan, Wenfeng oth Jia, Zhongjun oth Di, Hongjie oth Xu, Jianming oth Li, Yong oth Enthalten in Elsevier Science Viscusi, Gianluca ELSEVIER Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies 2022 Amsterdam [u.a.] (DE-627)ELV007627629 volume:156 year:2021 pages:0 https://doi.org/10.1016/j.soilbio.2021.108192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.18 Kolloidchemie Grenzflächenchemie VZ 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 52.78 Oberflächentechnik Wärmebehandlung VZ 58.20 Chemische Technologien: Allgemeines VZ AR 156 2021 0 |
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In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. Comammox Elsevier Ammonia-oxidizing archaea Elsevier Autotrophic nitrification Elsevier Organic substances Elsevier Ammonia-oxidizing bacteria Elsevier Hu, Hangwei oth Huang, Xing oth Ge, Tida oth Li, Yongfu oth Zhu, Zhenke oth Liu, Xingmei oth Tan, Wenfeng oth Jia, Zhongjun oth Di, Hongjie oth Xu, Jianming oth Li, Yong oth Enthalten in Elsevier Science Viscusi, Gianluca ELSEVIER Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies 2022 Amsterdam [u.a.] (DE-627)ELV007627629 volume:156 year:2021 pages:0 https://doi.org/10.1016/j.soilbio.2021.108192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.18 Kolloidchemie Grenzflächenchemie VZ 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 52.78 Oberflächentechnik Wärmebehandlung VZ 58.20 Chemische Technologien: Allgemeines VZ AR 156 2021 0 |
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Enthalten in Fabrication of novel hybrid materials based on iron-aluminum modified hemp fibers: Comparison between two proposed methodologies Amsterdam [u.a.] volume:156 year:2021 pages:0 |
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canonical ammonia oxidizers, rather than comammox nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils |
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Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils |
| abstract |
Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. |
| abstractGer |
Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. |
| abstract_unstemmed |
Chemoautotrophic canonical ammonia-oxidizers and complete ammonia oxidizers (comammox) are responsible for ammonia oxidation, which is the rate-limiting step of nitrification in terrestrial ecosystems. However, the relative importance of autotrophic nitrification and the related active nitrifiers during mineralization of organic substances with different C/N ratios have not been fully elucidated to date. In this study, 15N tracing and 13CO2-DNA-based stable isotope probing (DNA-SIP) techniques were employed to investigate the responses of soil nitrification processes and the active nitrifying phylotypes in acidic and neutral paddy soils with amendment of glutamine (Gln) or rice straw with low C/N (LS) or high C/N (HS). Acetylene (C2H2) was utilized to differentiate autotrophic and heterotrophic nitrification. The results indicated that C2H2 completely blocked the production of 15NO3 − in Gln and LS treatments, implying the predominance of autotrophic nitrification with the N derived from the mineralization of Gln and LS. Neither 15NH4 + nor 15NO3 − was detected in the HS-amended soils, suggesting that NH4 + derived from organic N mineralization was immobilized immediately by microorganisms. In the DNA-SIP microcosms, the abundance of ammonia-oxidizing bacteria (AOB) in the unamended control (CK), Gln and LS treatments of acidic paddy soil increased by 22.1-, 71.9- and 27.6-fold, respectively. A significantly larger proportion of Nitrosospira-like AOB, rather than ammonia-oxidizing archaea (AOA) and comammox Nitrospira, was labelled by 13CO2, indicating that AOB made a stronger contribution to autotrophic nitrification in acidic paddy soil. The active nitrification of neutral paddy soil was predominated by AOA affiliated with the Nitrososphaera viennensis lineage in the CK and LS microcosms but by Nitrosospira-like AOB in the Gln microcosm. These results suggest the significance of autotrophic nitrification catalysed by canonical ammonia oxidizers, rather than comammox, during the mineralization of organic substances with low C/N in paddy soils. |
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GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA |
| title_short |
Canonical ammonia oxidizers, rather than comammox Nitrospira, dominated autotrophic nitrification during the mineralization of organic substances in two paddy soils |
| url |
https://doi.org/10.1016/j.soilbio.2021.108192 |
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Hu, Hangwei Huang, Xing Ge, Tida Li, Yongfu Zhu, Zhenke Liu, Xingmei Tan, Wenfeng Jia, Zhongjun Di, Hongjie Xu, Jianming Li, Yong |
| author2Str |
Hu, Hangwei Huang, Xing Ge, Tida Li, Yongfu Zhu, Zhenke Liu, Xingmei Tan, Wenfeng Jia, Zhongjun Di, Hongjie Xu, Jianming Li, Yong |
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| doi_str |
10.1016/j.soilbio.2021.108192 |
| up_date |
2024-07-06T19:36:07.545Z |
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