NDLI: Culture-independent study of bacterial communities in tropical river sediment

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Culture-independent study of bacterial communities in tropical river sediment

Content Provider	Scilit
Author	Thoetkiattikul, Honglada Mhuantong, Wuttichai Pinyakong, Onruthai Wisawapipat, Worachart Yamazoe, Atsushi Fujita, Nobuyuki Eurwilaichitr, Lily Champreda, Verawat
Copyright Year	2017
Description	Ubiquitous microbial communities in river sediments actively govern organic matter decomposition, nutrient recycling, and remediation of toxic compounds. In this study, prokaryotic diversity in two major rivers in central Thailand, the Chao Phraya (CP) and the Tha Chin (TC) distributary was investigated. Significant differences in sediment physicochemical properties, particularly silt content, were noted between the two rivers. Tagged 16S rRNA sequencing on a 454 platform showed that the sediment microbiomes were dominated by Gammaproteobacteria and sulfur/sulfate reducing Deltaproteobacteria, represented by orders Desulfobacteriales and Desulfluromonadales together with organic degraders Betaproteobacteria (orders Burkholderiales and Rhodocyclales) together with the co-existence of Bacteroidetes predominated by Sphingobacteriales. Enrichment of specific bacterial orders was found in the clayey CP and silt-rich TC sediments, including various genera with known metabolic capability on decomposition of organic matter and xenobiotic compounds. The data represent one of the pioneered works revealing heterogeneity of bacteria in river sediments in the tropics. Analysis of bacterial diversity by tagged 16S rRNA sequencing revealed enrichment of specific taxa in CP and TC rivers.
Related Links	https://www.tandfonline.com/doi/pdf/10.1080/09168451.2016.1234927?needAccess=true
Ending Page	209
Page Count	10
Starting Page	200
ISSN	09168451
e-ISSN	13476947
DOI	10.1080/09168451.2016.1234927
Journal	Bioscience, Biotechnology, and Biochemistry
Issue Number	1
Volume Number	81
Language	English
Publisher	Informa UK Limited
Publisher Date	2017-01-02
Access Restriction	Open
Subject Keyword	Marine and Freshwater Biology 16s Rrna Gene Aquatic Environment Bacterial Diversity Next Generation Sequencing River Sediment
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Medicine Analytical Chemistry Molecular Biology Biochemistry Applied Microbiology and Biotechnology Biotechnology

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