Metagenomic insights into microbial community structure in arsenic-rich shallow and deep groundwater

J. S. Jean, S. Das

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Microorganisms dwelling in arsenic-rich groundwater have a pivotal role in biogeochemical cycles and are expected to have significant influence on the cycle of arsenic, a metalloid responsible for severe water pollution and the causing agent of the worst mass poisoning in human history. To gain insight into the indigenous bacterial population in arsenic-rich shallow and deep groundwater and to cover a greater genetic diversity, we conducted a 454 pyrosequencing study targeting nine defined hyper-variable regions of 16S rDNAs. The results revealed the presence of diverse and unequal bacterial communities mostly represented by the genera Acinetobacter, Herbaspirillum, Bacillus, Flavisolibacter, Massilia, Nitrospira, Symbiobacterium, Bellilinea, Arthrobacter, Undibacterium, Sphingomonas, Geobacter, Delftia, Pseudomonas, Hydrogenophaga, Paenibacillus, Gemmatimonas, Anaeromyxobacter, Rheinheimera and Rhodococcus. Overall observations suggest that the indigenous bacteria in arsenic-rich groundwater possess adequate catabolic ability to mobilize arsenic by a cascade of reactions mostly linked to bacterial nutrient acquisitions and detoxification.

Original languageEnglish
Title of host publicationArsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016
EditorsProsun Bhattacharya, Gunnar Jacks, Jochen Bundschuh, Ravi Naidu, Prosun Bhattacharya, Charlotte Sparrenbom, Jerker Jarsjo, Jurate Kumpiene, Jochen Bundschuh, Ravi Naidu, Marie Vahter, Marinus Eric Donselaar, Arslan Ahmad, Jerker Jarsjo
PublisherCRC Press/Balkema
Pages117-118
Number of pages2
ISBN (Print)9781138029415
Publication statusPublished - 2016 Jan 1
Event6th International Congress on Arsenic in the Environment, AS 2016 - Stockholm, Sweden
Duration: 2016 Jun 192016 Jun 23

Publication series

NameArsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016

Other

Other6th International Congress on Arsenic in the Environment, AS 2016
CountrySweden
CityStockholm
Period16-06-1916-06-23

All Science Journal Classification (ASJC) codes

  • Pollution
  • Environmental Chemistry

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