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Title of Journal: J Soils Sediments

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Abbravation: Journal of Soils and Sediments

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Springer Berlin Heidelberg

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DOI

10.1007/bf02380275

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ISSN

1614-7480

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16S rRNAbased bacterial community structure is a

Authors: Rongxiao Che Yongcui Deng Fang Wang Weijin Wang Zhihong Xu Yanfen Wang Xiaoyong Cui
Publish Date: 2015/06/17
Volume: 15, Issue: 9, Pages: 1987-1990
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Abstract

Understanding the relationships between soil respiration activity SRA and soil microbial community abundance and composition is pivotal for soil respiration prediction modelling and management This study aimed to assess value of the bacterial 16S ribosomal DNA rDNA or ribosomal RNA rRNArelated indices BRIs in relation to SRASoil samples collected from a Tibetan alpine meadow were amended with different amounts of glutamate to establish a SRA gradient Several BRIs including 16S rDNA copies rRNA copies the ratio of 16S rRNA copies to 16S rDNA copies and 16S rDNA or rRNAbased community structure were analysed using realtime PCR or terminalrestriction fragment length polymorphism TRFLPExcept 16S rRNA copies and the ratio of 16S rRNA copies to 16S rDNA copies all of the BRIs significantly correlated with the SRA However the 16S rRNAbased bacterial community structure explained 727  of the SRA variations which clearly outperformed all other BRIsThis work was supported by the Strategic Priority Research Program B of the Chinese Academy of Sciences XDB15010201 the National Natural Science Foundation of China grant No 41230750 and the National Basic Research Program 2013CB956000 We sincerely thank Ruicheng Li and the Haibei research station staff for sampling assistance

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