Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils

ABSTRACTMicrobial carbon use efficiency (CUE) is a critical parameter that controls carbon storage in soil, but many uncertainties remain concerning adaptations of microbial communities to long-term fertilization that impact CUE. Based on H218O quantitative stable isotope probing coupled with metage...
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Gespeichert in:

Autor*in:	Qicheng Xu [verfasserIn] Ling Li [verfasserIn] Junjie Guo [verfasserIn] Hanyue Guo [verfasserIn] Manqiang Liu [verfasserIn] Shiwei Guo [verfasserIn] Yakov Kuzyakov [verfasserIn] Ning Ling [verfasserIn] Qirong Shen [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2024

Schlagwörter:	carbon use efficiency organic fertilization qSIP population dynamics life strategy

Übergeordnetes Werk:	In: mBio - American Society for Microbiology, 2010, 15(2024), 3
Übergeordnetes Werk:	volume:15 ; year:2024 ; number:3

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1128/mbio.00177-24

Katalog-ID:	DOAJ098581791

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authorswithroles_txt_mv	Qicheng Xu @@aut@@ Ling Li @@aut@@ Junjie Guo @@aut@@ Hanyue Guo @@aut@@ Manqiang Liu @@aut@@ Shiwei Guo @@aut@@ Yakov Kuzyakov @@aut@@ Ning Ling @@aut@@ Qirong Shen @@aut@@
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callnumber-first	Q - Science
author	Qicheng Xu
spellingShingle	Qicheng Xu misc QR1-502 misc carbon use efficiency misc organic fertilization misc qSIP misc population dynamics misc life strategy misc Microbiology Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils
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topic_title	QR1-502 Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils carbon use efficiency organic fertilization qSIP population dynamics life strategy
topic	misc QR1-502 misc carbon use efficiency misc organic fertilization misc qSIP misc population dynamics misc life strategy misc Microbiology
topic_unstemmed	misc QR1-502 misc carbon use efficiency misc organic fertilization misc qSIP misc population dynamics misc life strategy misc Microbiology
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title	Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils
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title_full	Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils
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author_browse	Qicheng Xu Ling Li Junjie Guo Hanyue Guo Manqiang Liu Shiwei Guo Yakov Kuzyakov Ning Ling Qirong Shen
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title_sort	active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils
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title_auth	Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils
abstract	ABSTRACTMicrobial carbon use efficiency (CUE) is a critical parameter that controls carbon storage in soil, but many uncertainties remain concerning adaptations of microbial communities to long-term fertilization that impact CUE. Based on H218O quantitative stable isotope probing coupled with metagenomic sequencing, we disentangled the roles of active microbial population dynamics and life strategies for CUE in soils after a long-term (35 years) mineral or organic fertilization. We found that the soils rich in organic matter supported high microbial CUE, indicating a more efficient microbial biomass formation and a greater carbon sequestration potential. Organic fertilizers supported active microbial communities characterized by high diversity and a relative increase in net growth rate, as well as an anabolic-biased carbon cycling, which likely explains the observed enhanced CUE. Overall, these results highlight the role of population dynamics and life strategies in understanding and predicting microbial CUE and sequestration in soil.IMPORTANCEMicrobial CUE is a major determinant of global soil organic carbon storage. Understanding the microbial processes underlying CUE can help to maintain soil sustainable productivity and mitigate climate change. Our findings indicated that active microbial communities, adapted to long-term organic fertilization, exhibited a relative increase in net growth rate and a preference for anabolic carbon cycling when compared to those subjected to chemical fertilization. These shifts in population dynamics and life strategies led the active microbes to allocate more carbon to biomass production rather than cellular respiration. Consequently, the more fertile soils may harbor a greater microbially mediated carbon sequestration potential. This finding is of great importance for manipulating microorganisms to increase soil C sequestration.
abstractGer	ABSTRACTMicrobial carbon use efficiency (CUE) is a critical parameter that controls carbon storage in soil, but many uncertainties remain concerning adaptations of microbial communities to long-term fertilization that impact CUE. Based on H218O quantitative stable isotope probing coupled with metagenomic sequencing, we disentangled the roles of active microbial population dynamics and life strategies for CUE in soils after a long-term (35 years) mineral or organic fertilization. We found that the soils rich in organic matter supported high microbial CUE, indicating a more efficient microbial biomass formation and a greater carbon sequestration potential. Organic fertilizers supported active microbial communities characterized by high diversity and a relative increase in net growth rate, as well as an anabolic-biased carbon cycling, which likely explains the observed enhanced CUE. Overall, these results highlight the role of population dynamics and life strategies in understanding and predicting microbial CUE and sequestration in soil.IMPORTANCEMicrobial CUE is a major determinant of global soil organic carbon storage. Understanding the microbial processes underlying CUE can help to maintain soil sustainable productivity and mitigate climate change. Our findings indicated that active microbial communities, adapted to long-term organic fertilization, exhibited a relative increase in net growth rate and a preference for anabolic carbon cycling when compared to those subjected to chemical fertilization. These shifts in population dynamics and life strategies led the active microbes to allocate more carbon to biomass production rather than cellular respiration. Consequently, the more fertile soils may harbor a greater microbially mediated carbon sequestration potential. This finding is of great importance for manipulating microorganisms to increase soil C sequestration.
abstract_unstemmed	ABSTRACTMicrobial carbon use efficiency (CUE) is a critical parameter that controls carbon storage in soil, but many uncertainties remain concerning adaptations of microbial communities to long-term fertilization that impact CUE. Based on H218O quantitative stable isotope probing coupled with metagenomic sequencing, we disentangled the roles of active microbial population dynamics and life strategies for CUE in soils after a long-term (35 years) mineral or organic fertilization. We found that the soils rich in organic matter supported high microbial CUE, indicating a more efficient microbial biomass formation and a greater carbon sequestration potential. Organic fertilizers supported active microbial communities characterized by high diversity and a relative increase in net growth rate, as well as an anabolic-biased carbon cycling, which likely explains the observed enhanced CUE. Overall, these results highlight the role of population dynamics and life strategies in understanding and predicting microbial CUE and sequestration in soil.IMPORTANCEMicrobial CUE is a major determinant of global soil organic carbon storage. Understanding the microbial processes underlying CUE can help to maintain soil sustainable productivity and mitigate climate change. Our findings indicated that active microbial communities, adapted to long-term organic fertilization, exhibited a relative increase in net growth rate and a preference for anabolic carbon cycling when compared to those subjected to chemical fertilization. These shifts in population dynamics and life strategies led the active microbes to allocate more carbon to biomass production rather than cellular respiration. Consequently, the more fertile soils may harbor a greater microbially mediated carbon sequestration potential. This finding is of great importance for manipulating microorganisms to increase soil C sequestration.
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title_short	Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils
url	https://doi.org/10.1128/mbio.00177-24 https://doaj.org/article/a26c8c48c3ff40f1b60313a11a43508c https://journals.asm.org/doi/10.1128/mbio.00177-24 https://doaj.org/toc/2150-7511
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author2	Ling Li Junjie Guo Hanyue Guo Manqiang Liu Shiwei Guo Yakov Kuzyakov Ning Ling Qirong Shen
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Active microbial population dynamics and life strategies drive the enhanced carbon use efficiency in high-organic matter soils

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