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Publication Type J
Authors Behera, P; Mahapatra, S; Mohapatra, M; Kim, JY; Adhya, TK; Raina, V; Suar, M; Pattnaik, AK; Rastogi, G
Author Full Name Behera, Pratiksha; Mahapatra, Sofia; Mohapatra, Madhusmita; Kim, Ji Yoon; Adhya, Tapan K.; Raina, Vishakha; Suar, Mrutyunjay; Pattnaik, Ajit K.; Rastogi, Gurdeep
Title Salinity and macrophyte drive the biogeography of the sedimentary bacterial communities in a brackish water tropical coastal lagoon
Source SCIENCE OF THE TOTAL ENVIRONMENT
Language English
Document Type Article
Author Keywords Coastal lagoon; Illumina sequencing; Bulk sediment; Phragmites karka; Halodule uninervis
Keywords Plus PHRAGMITES-AUSTRALIS; FRESH-WATER; MICROBIAL COMMUNITIES; MARINE-SEDIMENTS; BIOMASS PRODUCTION; ORGANIC-CARBON; MAJOR FACTOR; POYANG LAKE; DIVERSITY; CHINA
Abstract Brackish water coastal lagoons are least understood with respect to the seasonal and temporal variability in their sedimentary bacterial communities. These coastal lagoons are characterized by the steep environmental gradient and provide an excellent model system to decipher the biotic and abiotic factors that determine the bacterial community structure over time and space. Using Illumina sequencing of the 16S rRNA genes from a total of 100 bulk surface sediments, we investigated the sedimentary bacterial communities, their spatiotemporal distribution, and compared them with the rhizosphere sediment communities of a common reed; Phragmites karka and a native seagrass species; Halodule uninervis in Chilika Lagoon. Spatiotemporal patterns in bacterial communities were linked to specific biotic factors (e.g., presence and type of macrophyte) and abiotic factors (e.g., salinity) that drove the community composition. Comparative assessment of communities highlighted bacterial lineages that were responsible for segregating the sediment communities over distinct salinity regimes, seasons, locations, and presence and type of macrophytes. Several bacterial taxa were specific to one of these ecological factors suggesting that species-sorting processes drive specific biogeographical patterns in the bacterial populations. Modeling of proteobacterial lineages against salinity gradient revealed that alpha- and gamma-Proteobacteria increased with salinity, whereas beta-Proteobacteria displayed the opposite trend. The wide variety of biogeochemical functions performed by the rhizosphere microbiota of P. karka must be taken into consideration while formulating the management and conservation plan for this reed. Overall, this study provides a comprehensive understanding of the spatiotemporal dynamics and functionality of sedimentary bacterial communities and highlighted the role of biotic and abiotic factors in generating the biogeographical patterns in the bacterial communities of a tropical brackish water coastal lagoon. (C) 2017 Elsevier B. V. All rights reserved.
Author Address [Behera, Pratiksha; Mahapatra, Sofia; Mohapatra, Madhusmita; Pattnaik, Ajit K.; Rastogi, Gurdeep] Chilika Dev Author, Wetland Res & Training Ctr, Balugaon 752030, Odisha, India; [Kim, Ji Yoon] Pusan Natl Univ, Dept Integrated Biol Sci, Busan 46241, South Korea; [Adhya, Tapan K.; Raina, Vishakha; Suar, Mrutyunjay] KIIT Univ, Sch Biotechnol, Bhubaneswar 751024, Odisha, India; [Pattnaik, Ajit K.] Integrated Coastal Zone Management Project, State Project Management Unit, Bhubaneswar 752003, Odisha, India
Reprint Address Rastogi, G (reprint author), Chilika Dev Author, Wetland Res & Training Ctr, Balugaon 752030, Odisha, India.
E-mail Address rastogigurdeep@gmail.com
Funding Agency and Grant Number World Bank [4765-IN]; ASM-IUSSTF Indo-US Professorship in Microbiology
Funding Text This work was supported by the World Bank grant no. (Credit No. 4765-IN) given to Chilika Development Authority under the Integrated Coastal Zone Management Project (ICZMP) of Odisha. The support received from the
Cited Reference Count 87
Times Cited 5
Total Times Cited Count (WoS, BCI, and CSCD) 5
Publisher ELSEVIER SCIENCE BV
Publisher City AMSTERDAM
Publisher Address PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN 0048-9697
29-Character Source Abbreviation SCI TOTAL ENVIRON
ISO Source Abbreviation Sci. Total Environ.
Publication Date OCT 1
Year Published 2017
Volume 595
Beginning Page 472
Ending Page 485
Digital Object Identifier (DOI) 10.1016/j.scitotenv.2017.03.271
Page Count 14
Web of Science Category Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number EV2AZ
Unique Article Identifier WOS:000401556800046
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