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Authors Cleary, DFR; Polonia, ARM; Sousa, AI; Lillebo, AI; Queiroga, H; Gomes, NCM
Author Full Name Cleary, D. F. R.; Polonia, A. R. M.; Sousa, A. I.; Lillebo, A. I.; Queiroga, H.; Gomes, N. C. M.
Title Temporal dynamics of sediment bacterial communities in monospecific stands of Juncus maritimus and Spartina maritima
Source PLANT BIOLOGY
Language English
Document Type Article
Author Keywords Bacterial diversity; ecosystem functioning; metabolic pathways; metagenomic analysis; salt marsh
Keywords Plus SALT-MARSH SEDIMENTS; GRADIENT GEL-ELECTROPHORESIS; ROSEOBACTER CLADE BACTERIA; MICROBIAL COMMUNITIES; HIGH ABUNDANCE; RHIZOSPHERE; DIVERSITY; SOIL; VEGETATION; PLANTS
Abstract In the present study, we used 16S rRNA barcoded pyrosequencing to investigate to what extent monospecific stands of different salt marsh plant species (Juncus maritimus and Spartina maritima), sampling site and temporal variation affect sediment bacterial communities. We also used a bioinformatics tool, PICRUSt, to predict metagenome gene functional content. Our results showed that bacterial community composition from monospecific stands of both plant species varied temporally, but both host plant species maintained compositionally distinct communities of bacteria. Juncus sediment was characterised by higher abundances of Alphaproteobacteria, Myxococcales, Rhodospirillales, NB1-j and Ignavibacteriales, while Spartina sediment was characterised by higher abundances of Anaerolineae, Synechococcophycidae, Desulfobacterales, SHA-20 and Rhodobacterales. The differences in composition and higher taxon abundance between the sediment bacterial communities of stands of both plant species may be expected to affect overall metabolic diversity. In line with this expectation, there were also differences in the predicted enrichment of selected metabolic pathways. In particular, bacterial communities of Juncus sediment were predicted to be enriched for pathways related to the degradation of various (xenobiotic) compounds. Bacterial communities of Spartina sediment in turn were predicted to be enriched for pathways related to the biosynthesis of various bioactive compounds. Our study highlights the differences in composition and predicted functions of sediment-associated bacterial communities from two different salt marsh plant species. Loss of salt marsh habitat may thus be expected to both adversely affect microbial diversity and ecosystem functioning and have consequences for environmental processes such as nutrient cycling and pollutant remediation.
Author Address [Cleary, D. F. R.; Polonia, A. R. M.; Sousa, A. I.; Lillebo, A. I.; Queiroga, H.; Gomes, N. C. M.] Univ Aveiro, Dept Biol, CESAM Ctr Estudos Ambiente & Mar, Aveiro, Portugal
Reprint Address Cleary, DFR (reprint author), Univ Aveiro, CESAM, Campus Univ Santiago, P-3810193 Aveiro, Portugal.; Cleary, DFR (reprint author), Univ Aveiro, Dept Biol, Campus Univ Santiago, P-3810193 Aveiro, Portugal.
E-mail Address cleary@ua.pt
ResearcherID Number Lillebo, Ana I/C-3773-2009; Moura Polonia, Ana Rita/K-7911-2014; Sousa, Ana I./C-1532-2010; Queiroga, Henrique/C-5134-2008; Gomes, Newton/K-3211-2015; Cleary, Daniel/D-2582-2012
ORCID Number Lillebo, Ana I/0000-0002-5228-0329; Moura Polonia, Ana Rita/0000-0003-3381-7677; Sousa, Ana I./0000-0003-0783-5177; Queiroga, Henrique/0000-0002-2338-0013; Gomes, Newton/0000-0003-1934-0091; Cleary, Daniel/0000-0002-6143-3390
Funding Agency and Grant Number Portuguese Foundation for Science and Technology, FCT, project LTER-RAVE [LTER/BIA-BEC/0063/2009]; MCES (PIDDAC); Post-Doc grant [SFRH/BPD/79537/2011]; POPH/FSEEuropean Social Fund (ESF); European Commission under the 7th Framework Programme through the collaborative research project LAGOONS [283157]; FCT/MEC; FEDER of CESAM [UID/AMB/50017]
Funding Text The research was funded by the Portuguese Foundation for Science and Technology, FCT, project LTER-RAVE (LTER/BIA-BEC/0063/2009), co-funded by MCES (PIDDAC); and a Post-Doc grant SFRH/BPD/79537/2011 for A. I. Sousa, co-funded by POPH/FSE. The research was also supported by the European Commission under the 7th Framework Programme through the collaborative research project LAGOONS (contract no 283157). We would also like to thank FCT/MEC and FEDER for financial support of CESAM (UID/AMB/50017) within the PT2020 Partnership Agreement and Compete 2020. We thank the following people for their help in various ways: Bruna Marques and Danielle Barros for support in the field and laboratory work.
Times Cited 7
Total Times Cited Count (WoS, BCI, and CSCD) 7
Publisher WILEY
Publisher City HOBOKEN
Publisher Address 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
ISSN 1435-8603
29-Character Source Abbreviation PLANT BIOLOGY
ISO Source Abbreviation Plant Biol.
Publication Date SEP
Year Published 2016
Volume 18
Issue 5
Beginning Page 824
Ending Page 834
Digital Object Identifier (DOI) 10.1111/plb.12459
Page Count 11
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number DS8IT
Unique Article Identifier WOS:000381027400010
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