Microbial traits determine soil C emission in response to fresh carbon inputs in forests across biomes

Microbial traits determine soil C emission in response to fresh carbon inputs in forests across biomes

© 2021 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 28(2022), 4 vom: 24. Feb., Seite 1516-1528
1. Verfasser: Ren, Chengjie (VerfasserIn)
Weitere Verfasser: Wang, Jieying, Bastida, Felipe, Delgado-Baquerizo, Manuel, Yang, Yuanhe, Wang, Jun, Zhong, Zekun, Zhou, Zhenghu, Zhang, Shuohong, Guo, Yaoxin, Zhou, Sha, Wei, Gehong, Han, Xinhui, Yang, Gaihe, Zhao, Fazhu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article forest biomes genomes metagenomic sequencing microbial functional profiles priming effect Soil Carbon 7440-44-0
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520 |a Soil priming is a microbial-driven process, which determines key soil-climate feedbacks in response to fresh carbon inputs. Despite its importance, the microbial traits behind this process are largely undetermined. Knowledge of the role of these traits is integral to advance our understanding of how soil microbes regulate carbon (C) emissions in forests, which support the largest soil carbon stocks globally. Using metagenomic sequencing and 13 C-glucose, we provide unprecedented evidence that microbial traits explain a unique portion of the variation in soil priming across forest biomes from tropical to cold temperature regions. We show that microbial functional profiles associated with the degradation of labile C, especially rapid simple sugar metabolism, drive soil priming in different forests. Genes involved in the degradation of lignin and aromatic compounds were negatively associated with priming effects in temperate forests, whereas the highest level of soil priming was associated with β-glucosidase genes in tropical/subtropical forests. Moreover, we reconstructed, for the first time, 42 whole bacterial genomes associated with the soil priming effect and found that these organisms support important gene machinery involved in priming effect. Collectively, our work demonstrates the importance of microbial traits to explain soil priming across forest biomes and suggests that rapid carbon metabolism is responsible for priming effects in forests. This knowledge is important because it advances our understanding on the microbial mechanisms mediating soil-climate feedbacks at a continental scale 
650 4 |a Journal Article 
650 4 |a forest biomes 
650 4 |a genomes 
650 4 |a metagenomic sequencing 
650 4 |a microbial functional profiles 
650 4 |a priming effect 
650 7 |a Soil  |2 NLM 
650 7 |a Carbon  |2 NLM 
650 7 |a 7440-44-0  |2 NLM 
700 1 |a Wang, Jieying  |e verfasserin  |4 aut 
700 1 |a Bastida, Felipe  |e verfasserin  |4 aut 
700 1 |a Delgado-Baquerizo, Manuel  |e verfasserin  |4 aut 
700 1 |a Yang, Yuanhe  |e verfasserin  |4 aut 
700 1 |a Wang, Jun  |e verfasserin  |4 aut 
700 1 |a Zhong, Zekun  |e verfasserin  |4 aut 
700 1 |a Zhou, Zhenghu  |e verfasserin  |4 aut 
700 1 |a Zhang, Shuohong  |e verfasserin  |4 aut 
700 1 |a Guo, Yaoxin  |e verfasserin  |4 aut 
700 1 |a Zhou, Sha  |e verfasserin  |4 aut 
700 1 |a Wei, Gehong  |e verfasserin  |4 aut 
700 1 |a Han, Xinhui  |e verfasserin  |4 aut 
700 1 |a Yang, Gaihe  |e verfasserin  |4 aut 
700 1 |a Zhao, Fazhu  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global change biology  |d 1999  |g 28(2022), 4 vom: 24. Feb., Seite 1516-1528  |w (DE-627)NLM098239996  |x 1365-2486  |7 nnns 
773 1 8 |g volume:28  |g year:2022  |g number:4  |g day:24  |g month:02  |g pages:1516-1528 
856 4 0 |u http://dx.doi.org/10.1111/gcb.16004  |3 Volltext 
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