Modeling of the Coral Microbiome: the Influence of Temperature and Microbial Network.

MBio
Laís F O LimaElizabeth A Dinsdale

Abstract

Host-associated microbial communities are shaped by extrinsic and intrinsic factors to the holobiont organism. Environmental factors and microbe-microbe interactions act simultaneously on the microbial community structure, making the microbiome dynamics challenging to predict. The coral microbiome is essential to the health of coral reefs and sensitive to environmental changes. Here, we develop a dynamic model to determine the microbial community structure associated with the surface mucus layer (SML) of corals using temperature as an extrinsic factor and microbial network as an intrinsic factor. The model was validated by comparing the predicted relative abundances of microbial taxa to the relative abundances of microbial taxa from the sample data. The SML microbiome from Pseudodiploria strigosa was collected across reef zones in Bermuda, where inner and outer reefs are exposed to distinct thermal profiles. A shotgun metagenomics approach was used to describe the taxonomic composition and the microbial network of the coral SML microbiome. By simulating the annual temperature fluctuations at each reef zone, the model output is statistically identical to the observed data. The model was further applied to six scenarios that comb...Continue Reading

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Citations

Jun 5, 2021·Communications Biology·Nicholas J MacKnightMarilyn Brandt
Jun 8, 2021·Current Opinion in Microbiology·Yili QianOphelia S Venturelli
Sep 29, 2021·MSystems·Kelsey E Huus, Ruth E Ley

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Methods Mentioned

BETA
environmental stress

Software Mentioned

Python
SN
R package igraph
SIMPER
PEAR
PRIMER
R ( R Project for Statistical Computing
ST
psych
R Project for Statistical Computing

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