Bacterial Communities Inhabiting the Sponge Biemna fortis, Sediment and Water in Marine Lakes and the Open Sea

Microbial Ecology
Daniel F R ClearyNicole J de Voogd

Abstract

Marine lakes are small bodies of landlocked seawater that are isolated from the open sea and have been shown to house numerous rare and unique taxa. The environmental conditions of the lakes are also characterised by lower pH and salinity and higher temperatures than generally found in the open sea. In the present study, we used a 16S rRNA gene barcoded pyrosequencing approach and a predictive metagenomic approach (PICRUSt) to examine bacterial composition and function in three distinct biotopes (sediment, water and the sponge species Biemna fortis) in three habitats (two marine lakes and the open sea) of the Berau reef system, Indonesia. Both biotope and habitat were significant predictors of higher taxon abundance and compositional variation. Most of the variation in operational taxonomic unit (OTU) composition was related to the biotope (42% for biotope alone versus 9% for habitat alone and 15% combined). Most OTUs were also restricted to a single biotope (1047 for B. fortis, 6120 for sediment and 471 for water). Only 98 OTUs were shared across all three biotopes. Bacterial communities from B. fortis, sediment and water samples were, however, also distinct in marine lake and open sea habitats. This was evident in the abundan...Continue Reading

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Citations

Apr 11, 2019·Nature Communications·Daniel F R ClearyNicole J de Voogd
Dec 12, 2019·Frontiers in Microbiology·César A CárdenasMarcelo González-Aravena
Feb 28, 2021·Environmental Science and Pollution Research International·Azar VahabisaniKenneth Lee
Mar 7, 2020·Toxicon : Official Journal of the International Society on Toxinology·Rosa María Pineda-MendozaGerardo Zúñiga

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Datasets Mentioned

BETA
SRP081069
SRP068454
KF286179

Methods Mentioned

BETA
PCR

Software Mentioned

UCHIME
vegan
usearch7
Quantitative Insights into Microbial Ecology ( QIIME )
R package
BLAST
AWK
UPARSE
QIIME
R

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