气候变化领域集成服务门户(CCPortal): Short-Term Simulated Warming Changes the Beta Diversity of Bacteria in Taiga Forests' Permafrost by Altering the Composition of Dominant Bacterial Phyla

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DOI	10.3390/f15040693
	Short-Term Simulated Warming Changes the Beta Diversity of Bacteria in Taiga Forests' Permafrost by Altering the Composition of Dominant Bacterial Phyla
	Jiang, Yunbing; Wu, Song; Yang, Libin; Liu, Yongzhi; Gao, Mingliang; Ni, Hongwei
发表日期	2024
EISSN	1999-4907
起始页码	15
结束页码	4
卷号	15 期号:4
英文摘要	Permafrost is widely degraded in the context of global warming. The spatial distribution of soil microbes in these cold habitats has received a lot of attention. However, knowledge on the changes in permafrost microbial communities following permafrost thaw is still limited. We used permafrost soil from a taiga forest for indoor experiments using pristine soil as a control (CK, -2 degrees C), simulating warming for 15 days at temperatures of 0 degrees C (T1), 2 degrees C (T2), and 4 degrees C (T3). Amplicons of the hypervariable V4 region of the bacterial 16S rRNA gene were sequenced to identify bacterial communities present in the soils of pristine and warming treatments. Warming increased the average relative abundance of Proteobacteria (5.71%) and decreased that of Actinobacteriota (7.82%). The Beta diversity changed (p = 0.001) and significantly correlated with the pH, microbial biomass carbon (MBC), and available potassium (AK) of the soil (p < 0.05). Warming further increased the Alpha diversity (Simpson index), changing the functional pathways of the bacterial communities, whereby secondary functional pathways produced significant correlations with bacterial phyla (p < 0.05). Combined, the results indicated that short-term warming altered the Beta diversity of soil bacteria in a taiga forest's permafrost soil by decreasing the abundance of Actinobacteria and increasing that of Ascomycetes, while pH, MBC, and AK were identified as the soil factors influencing the structure and diversity of the bacterial communities.
英文关键词	short-term simulated warming; permafrost; soil bacteria; composition and diversity
语种	英语
WOS研究方向	Forestry
WOS类目	Forestry
WOS记录号	WOS:001220234200001
来源期刊	FORESTS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/301496
作者单位	Harbin Normal University; Heilongjiang Academy of Sciences
推荐引用方式 GB/T 7714	Jiang, Yunbing,Wu, Song,Yang, Libin,et al. Short-Term Simulated Warming Changes the Beta Diversity of Bacteria in Taiga Forests' Permafrost by Altering the Composition of Dominant Bacterial Phyla[J],2024,15(4).
APA	Jiang, Yunbing,Wu, Song,Yang, Libin,Liu, Yongzhi,Gao, Mingliang,&Ni, Hongwei.(2024).Short-Term Simulated Warming Changes the Beta Diversity of Bacteria in Taiga Forests' Permafrost by Altering the Composition of Dominant Bacterial Phyla.FORESTS,15(4).
MLA	Jiang, Yunbing,et al."Short-Term Simulated Warming Changes the Beta Diversity of Bacteria in Taiga Forests' Permafrost by Altering the Composition of Dominant Bacterial Phyla".FORESTS 15.4(2024).