Contrasting Soil Bacterial Community, Diversity, and Function in Two Forests in China

Bacteria are the highest abundant microorganisms in the soil. To investigate bacteria community structures, diversity, and functions, contrasting them in four different seasons all the year round with/within two different forest type soils of China. We analyzed soil bacterial community based on 16S...

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Bibliographic Details
Published in:Frontiers in microbiology 2018-07, Vol.9, p.1693-1693
Main Authors: Wei, Hua, Peng, Changhui, Yang, Bin, Song, Hanxiong, Li, Quan, Jiang, Lin, Wei, Gang, Wang, Kefeng, Wang, Hui, Liu, Shirong, Liu, Xiaojing, Chen, Dexiang, Li, Yide, Wang, Meng
Format: Article
Language:English
Subjects:
bacterial community structure
bacterial diversity
bacterial function
environmental factors
Microbiology
temperate deciduous broad-leaved forest
tropical rainforest
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Summary:Bacteria are the highest abundant microorganisms in the soil. To investigate bacteria community structures, diversity, and functions, contrasting them in four different seasons all the year round with/within two different forest type soils of China. We analyzed soil bacterial community based on 16S rRNA gene sequencing via Illumina HiSeq platform at a temperate deciduous broad-leaved forest (Baotianman, BTM) and a tropical rainforest (Jianfengling, JFL). We obtained 51,137 operational taxonomic units (OTUs) and classified them into 44 phyla and 556 known genera, 18.2% of which had a relative abundance >1%. The composition in each phylum was similar between the two forest sites. and were the most abundant phyla in the soil samples between the two forest sites. The Shannon index did not significantly differ among the four seasons at BTM or JFL and was higher at BTM than JFL in each season. The bacteria community at both BTM and JFL showed two significant ( < 0.05) predicted functions related to carbon cycle (anoxygenic photoautotrophy sulfur oxidizing and anoxygenic photoautotrophy) and three significant ( < 0.05) predicted functions related to nitrogen cycle (nitrous denitrificaton, nitrite denitrification, and nitrous oxide denitrification). We provide the basis on how changes in bacterial community composition and diversity leading to differences in carbon and nitrogen cycles at the two forests.
ISSN:1664-302X
1664-302X
DOI:10.3389/fmicb.2018.01693