Microbial Community Succession and Nutrient Cycling Responses following Perturbations of Experimental Saltwater Aquaria

MSphere
Holly M BikDavid A Coil

Abstract

Although aquaria are common features of homes and other buildings, little is known about how environmental perturbations (i.e., tank cleaning, water changes, addition of habitat features) impact the diversity and succession of aquarium microbial communities. In this study, we sought to evaluate the hypotheses that newly established aquaria show clear microbial successional patterns over time and that common marine aquarium-conditioning practices, such as the addition of ocean-derived "live rocks" (defined as any "dead coral skeleton covered with crustose coralline algae" transferred into an aquarium from open ocean habitats) impact the diversity of microbial populations as well as nitrogen cycling in aquaria. We collected water chemistry data alongside water and sediment samples from two independent and newly established saltwater aquaria over a 3-month period. Microbial communities in samples were assessed by DNA extraction, amplification of the 16S rRNA gene, and Illumina MiSeq sequencing. Our results showed clear and replicable patterns of community succession in both aquaria, with the existence of multiple stable states for aquarium microbial assemblages. Notably, our results show that changes in aquarium microbial communit...Continue Reading

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Citations

Nov 25, 2020·The ISME Journal·Sven P Tobias-HünefeldtSergio E Morales
Nov 19, 2020·Scientific Reports·Yan-Leng HuangTung-Yung Fan
Aug 6, 2021·Microbiology Resource Announcements·Cassandra L EttingerJonathan A Eisen

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Datasets Mentioned

BETA
PRJNA284506

Methods Mentioned

BETA
PCR
electrophoresis
Illumina sequencing

Software Mentioned

Excel
UCLUST
UniFrac
Aquaglobe
R Studio
FLASH
FAPROTAX
QIIME
vegan
ChimeraSlayer

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