Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis)

Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plant...
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Autor*in:	Li, Yongbin [verfasserIn] Yang, Rui Häggblom, Max M. Li, Mengyan Guo, Lifang Li, Baoqin Kolton, Max Cao, Zhiguo Soleimani, Mohsen Chen, Zheng Xu, Zhimin Gao, Wenlong Yan, Bei Sun, Weimin

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Diazotrophic endophytes Stable isotope probing (SIP) Metagenomic-binning Bacterial colonization

Anmerkung:	© The Author(s) 2022. corrected publication 2022

Übergeordnetes Werk:	Enthalten in: Microbiome - London : Biomed Central, 2013, 10(2022), 1 vom: 03. Nov.
Übergeordnetes Werk:	volume:10 ; year:2022 ; number:1 ; day:03 ; month:11

Links:	Volltext

DOI / URN:	10.1186/s40168-022-01379-9

Katalog-ID:	SPR051105322

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520			\|a Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract
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allfields	10.1186/s40168-022-01379-9 doi (DE-627)SPR051105322 (SPR)s40168-022-01379-9-e DE-627 ger DE-627 rakwb eng Li, Yongbin verfasserin aut Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022. corrected publication 2022 Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract Diazotrophic endophytes (dpeaa)DE-He213 Stable isotope probing (SIP) (dpeaa)DE-He213 Metagenomic-binning (dpeaa)DE-He213 Bacterial colonization (dpeaa)DE-He213 Yang, Rui aut Häggblom, Max M. aut Li, Mengyan aut Guo, Lifang aut Li, Baoqin aut Kolton, Max aut Cao, Zhiguo aut Soleimani, Mohsen aut Chen, Zheng aut Xu, Zhimin aut Gao, Wenlong aut Yan, Bei aut Sun, Weimin aut Enthalten in Microbiome London : Biomed Central, 2013 10(2022), 1 vom: 03. Nov. (DE-627)734146140 (DE-600)2697425-3 2049-2618 nnns volume:10 year:2022 number:1 day:03 month:11 https://dx.doi.org/10.1186/s40168-022-01379-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 03 11
spelling	10.1186/s40168-022-01379-9 doi (DE-627)SPR051105322 (SPR)s40168-022-01379-9-e DE-627 ger DE-627 rakwb eng Li, Yongbin verfasserin aut Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022. corrected publication 2022 Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract Diazotrophic endophytes (dpeaa)DE-He213 Stable isotope probing (SIP) (dpeaa)DE-He213 Metagenomic-binning (dpeaa)DE-He213 Bacterial colonization (dpeaa)DE-He213 Yang, Rui aut Häggblom, Max M. aut Li, Mengyan aut Guo, Lifang aut Li, Baoqin aut Kolton, Max aut Cao, Zhiguo aut Soleimani, Mohsen aut Chen, Zheng aut Xu, Zhimin aut Gao, Wenlong aut Yan, Bei aut Sun, Weimin aut Enthalten in Microbiome London : Biomed Central, 2013 10(2022), 1 vom: 03. Nov. (DE-627)734146140 (DE-600)2697425-3 2049-2618 nnns volume:10 year:2022 number:1 day:03 month:11 https://dx.doi.org/10.1186/s40168-022-01379-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 03 11
allfields_unstemmed	10.1186/s40168-022-01379-9 doi (DE-627)SPR051105322 (SPR)s40168-022-01379-9-e DE-627 ger DE-627 rakwb eng Li, Yongbin verfasserin aut Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022. corrected publication 2022 Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract Diazotrophic endophytes (dpeaa)DE-He213 Stable isotope probing (SIP) (dpeaa)DE-He213 Metagenomic-binning (dpeaa)DE-He213 Bacterial colonization (dpeaa)DE-He213 Yang, Rui aut Häggblom, Max M. aut Li, Mengyan aut Guo, Lifang aut Li, Baoqin aut Kolton, Max aut Cao, Zhiguo aut Soleimani, Mohsen aut Chen, Zheng aut Xu, Zhimin aut Gao, Wenlong aut Yan, Bei aut Sun, Weimin aut Enthalten in Microbiome London : Biomed Central, 2013 10(2022), 1 vom: 03. Nov. (DE-627)734146140 (DE-600)2697425-3 2049-2618 nnns volume:10 year:2022 number:1 day:03 month:11 https://dx.doi.org/10.1186/s40168-022-01379-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 03 11
allfieldsGer	10.1186/s40168-022-01379-9 doi (DE-627)SPR051105322 (SPR)s40168-022-01379-9-e DE-627 ger DE-627 rakwb eng Li, Yongbin verfasserin aut Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022. corrected publication 2022 Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract Diazotrophic endophytes (dpeaa)DE-He213 Stable isotope probing (SIP) (dpeaa)DE-He213 Metagenomic-binning (dpeaa)DE-He213 Bacterial colonization (dpeaa)DE-He213 Yang, Rui aut Häggblom, Max M. aut Li, Mengyan aut Guo, Lifang aut Li, Baoqin aut Kolton, Max aut Cao, Zhiguo aut Soleimani, Mohsen aut Chen, Zheng aut Xu, Zhimin aut Gao, Wenlong aut Yan, Bei aut Sun, Weimin aut Enthalten in Microbiome London : Biomed Central, 2013 10(2022), 1 vom: 03. Nov. (DE-627)734146140 (DE-600)2697425-3 2049-2618 nnns volume:10 year:2022 number:1 day:03 month:11 https://dx.doi.org/10.1186/s40168-022-01379-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 03 11
allfieldsSound	10.1186/s40168-022-01379-9 doi (DE-627)SPR051105322 (SPR)s40168-022-01379-9-e DE-627 ger DE-627 rakwb eng Li, Yongbin verfasserin aut Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022. corrected publication 2022 Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract Diazotrophic endophytes (dpeaa)DE-He213 Stable isotope probing (SIP) (dpeaa)DE-He213 Metagenomic-binning (dpeaa)DE-He213 Bacterial colonization (dpeaa)DE-He213 Yang, Rui aut Häggblom, Max M. aut Li, Mengyan aut Guo, Lifang aut Li, Baoqin aut Kolton, Max aut Cao, Zhiguo aut Soleimani, Mohsen aut Chen, Zheng aut Xu, Zhimin aut Gao, Wenlong aut Yan, Bei aut Sun, Weimin aut Enthalten in Microbiome London : Biomed Central, 2013 10(2022), 1 vom: 03. Nov. (DE-627)734146140 (DE-600)2697425-3 2049-2618 nnns volume:10 year:2022 number:1 day:03 month:11 https://dx.doi.org/10.1186/s40168-022-01379-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 03 11
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author	Li, Yongbin
spellingShingle	Li, Yongbin misc Diazotrophic endophytes misc Stable isotope probing (SIP) misc Metagenomic-binning misc Bacterial colonization Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis)
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topic_title	Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis) Diazotrophic endophytes (dpeaa)DE-He213 Stable isotope probing (SIP) (dpeaa)DE-He213 Metagenomic-binning (dpeaa)DE-He213 Bacterial colonization (dpeaa)DE-He213
topic	misc Diazotrophic endophytes misc Stable isotope probing (SIP) misc Metagenomic-binning misc Bacterial colonization
topic_unstemmed	misc Diazotrophic endophytes misc Stable isotope probing (SIP) misc Metagenomic-binning misc Bacterial colonization
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title	Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis)
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title_full	Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis)
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author_browse	Li, Yongbin Yang, Rui Häggblom, Max M. Li, Mengyan Guo, Lifang Li, Baoqin Kolton, Max Cao, Zhiguo Soleimani, Mohsen Chen, Zheng Xu, Zhimin Gao, Wenlong Yan, Bei Sun, Weimin
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title_sort	characterization of diazotrophic root endophytes in chinese silvergrass (miscanthus sinensis)
title_auth	Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis)
abstract	Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract © The Author(s) 2022. corrected publication 2022
abstractGer	Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract © The Author(s) 2022. corrected publication 2022
abstract_unstemmed	Background Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. EAsdjSo3ZCTEVznKh83dpJVideo Abstract © The Author(s) 2022. corrected publication 2022
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title_short	Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis)
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author2	Yang, Rui Häggblom, Max M. Li, Mengyan Guo, Lifang Li, Baoqin Kolton, Max Cao, Zhiguo Soleimani, Mohsen Chen, Zheng Xu, Zhimin Gao, Wenlong Yan, Bei Sun, Weimin
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However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of mine tailings. Nevertheless, pioneer plants can successfully colonize mine tailings and exhibit potential for tailing phytoremediation. Diazotrophs, especially diazotrophic endophytes, can promote the growth of their host plants. This was tested in a mine-tailing habitat by a combination of field sampling, DNA-stable isotope probing (SIP) analysis, and pot experiments. Results Bacteria belonging to the genera Herbaspirillum, Rhizobium, Devosia, Pseudomonas, Microbacterium, and Delftia are crucial endophytes for Chinese silvergrass (Miscanthus sinensis) grown in the tailing, the model pioneer plant selected in this study. Further, DNA-SIP using 15$ N_{2} $ identified Pseudomonas, Rhizobium, and Exiguobacterium as putative diazotrophic endophytes of M. sinensis. Metagenomic-binning suggested that these bacteria contained essential genes for nitrogen fixation and plant growth promotion. Finally, two diazotrophic endophytes Rhizobium sp. G-14 and Pseudomonas sp. Y-5 were isolated from M. sinensis. Inoculation of another pioneer plant in mine tailings, Bidens pilosa, with diazotrophic endophytes resulted in successful plant colonization, significantly increased nitrogen fixation activity, and promotion of plant growth. Conclusions This study indicated that diazotrophic endophytes have the potential to promote the growth of pioneer plant B. pilosa in mine tailings. 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Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis)

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