scholarly journals Peer Review #2 of "Population structure and microbial community diversity of two common tetillid sponges in a tropical reef lagoon (v0.1)"

2020 ◽  
Author(s):  
D Sipkema
Keyword(s):  
Population Structure ◽  
Microbial Community ◽  
Peer Review ◽  
Community Diversity ◽  
Microbial Community Diversity ◽  
Reef Lagoon ◽  
Tropical Reef

scholarly journals Population structure and microbial community diversity of two common tetillid sponges in a tropical reef lagoon

PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e9017 ◽  
Author(s):  
Jake Ivan P. Baquiran ◽  
Michael Angelou L. Nada ◽  
Niño Posadas ◽  
Dana P. Manogan ◽  
Patrick C. Cabaitan ◽  
...  
Keyword(s):  
Population Structure ◽  
Microbial Community ◽  
Global Climate ◽  
Microbial Community Composition ◽  
Average Density ◽  
Community Diversity ◽  
Reef Lagoon ◽  
Lack Of Information ◽  
Tropical Reef ◽  
Ecological Success

Sponges are predicted to dominate future reef ecosystems influenced by anthropogenic stressors and global climate change. The ecological success of sponges is attributed to their complex physiology, which is in part due to the diversity of their associated prokaryotic microbiome. However, the lack of information on the microbial community of many sponge species makes it difficult to gauge their interactions and functional contributions to the ecosystem. Here, we investigated the population dynamics and microbial community composition of two tetillid sponges identified as Cinachyrella sp. and Paratetilla sp., which are common on coral bommies in a reef lagoon in Bolinao, northwestern Philippines. The sponges ranged in size from 2.75 ± 2.11 to 6.33 ± 3.98 cm (mean ± standard deviation) and were found at an average density of 1.57 ± 0.79 to 4.46 ± 3.60 individuals per sq. m. on the bommies. The tetillid sponge population structure remained stable over the course of four years of monitoring. Prokaryotic communities associated with the sponges were distinct but had overlapping functions based on PICRUSt2 predictions. This convergence of functions may reflect enrichment of metabolic processes that are crucial for the survival of the tetillid sponges under prevailing conditions in the reef lagoon. Differentially enriched functions related to carbon, sulfur, fatty acid, and amino acid metabolism, cellular defense, and stress response, may influence the interactions of tetillid sponges with other biota on the bommies.

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