Microbial ecology of two hot springs of Sikkim: Predominate population and geochemistry

The Science of the Total Environment
Ishfaq Nabi NajarNagendra Thakur

Abstract

Northeastern regions of India are known for their floral and faunal biodiversity. Especially the state of Sikkim lies in the eastern Himalayan ecological hotspot region. The state harbors many sulfur rich hot springs which have therapeutic and spiritual values. However, these hot springs are yet to be explored for their microbial ecology. The development of neo generation techniques such as metagenomics has provided an opportunity for inclusive study of microbial community of different environment. The present study describes the microbial diversity in two hot springs of Sikkim that is Polok and Borong with the assist of culture dependent and culture independent approaches. The culture independent techniques used in this study were next generation sequencing (NGS) and Phospholipid Fatty Acid Analysis (PLFA). Having relatively distinct geochemistry both the hot springs are thermophilic environments with the temperature range of 50-77 °C and pH range of 5-8. Metagenomic data revealed the dominance of bacteria over archaea. The most abundant phyla were Proteobacteria and Bacteroidetes although other phyla were also present such as Acidobacteria, Nitrospirae, Firmicutes, Proteobacteria, Parcubacteria and Spirochaetes. The PLFA stud...Continue Reading

Citations

May 15, 2020·BMC Microbiology·Berenice Talamantes-BecerraArthur Georges
Jan 10, 2021·Scientific Reports·María-Eugenia DeCastroMaría-Isabel González-Siso
Feb 23, 2020·Microorganisms·Kusum Dhakar, Anita Pandey
Mar 26, 2021·Frontiers in Microbiology·Manik Prabhu Narsing RaoWen-Jun Li
Feb 15, 2019·The Science of the Total Environment·Xiaotong WangYanming Zhang

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