2023
DOI: 10.1128/spectrum.00514-23
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Spatial Succession Underlies Microbial Contribution to Food Digestion in the Gut of an Algivorous Sea Urchin

Abstract: Alga grazing by the sea urchin Tripneustes gratilla elatensis is vital for nutrient recycling and constructing new reefs. This research was driven by the need to expand the knowledge of bacteria that may aid this host in alga digestion and their phylogeny, roles, and activity niches.

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Cited by 3 publications
(3 citation statements)
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“…Variation in the microbiome functional activity is commonly associated with the functional changes occurring within the host (e.g., dietary changes; Mekuchi et al ., 2018; Masasa et al ., 2023) and/or in the external environment (e.g., temperature; Brothers et al ., 2018; Li et al ., 2022). Our study is in-line with this, in showing that there were several enriched functions that vary through time, potentially attributed to either one or both of those two factors.…”
Section: Discussionmentioning
confidence: 99%
“…Variation in the microbiome functional activity is commonly associated with the functional changes occurring within the host (e.g., dietary changes; Mekuchi et al ., 2018; Masasa et al ., 2023) and/or in the external environment (e.g., temperature; Brothers et al ., 2018; Li et al ., 2022). Our study is in-line with this, in showing that there were several enriched functions that vary through time, potentially attributed to either one or both of those two factors.…”
Section: Discussionmentioning
confidence: 99%
“…Another significant application of 16S rRNA sequencing in echinoderm research is the investigation of microbial-mediated ecological processes, such as nutrient cycling and organic matter degradation. By characterizing the functional potential of the echinodermassociated microbiota, researchers can gain insights into the roles of microorganisms in nutrient transformations, carbon fluxes, and the overall functioning of marine ecosystems (Masasa et al, 2023;Thompson & Polz, 2006). These findings highlight the interconnectedness between echinoderms and their associated microbiomes in ecosystem processes.…”
Section: Prokaryotic 16s Metabarcodingmentioning
confidence: 99%
“…16S rRNA sequencing has also revealed the diversity and dynamics of the digestive system microbiota in echinoderms (Masasa et al, 2021;Masasa et al, 2023). For instance, a recent study confirmed that the microbiome of algae-eating sea urchins like Tripneustes gratilla (Linnaeus, 1758) plays a significant role in digesting fiber-rich seaweed, but also the study revealed unique characteristics in the microbial communities, particularly in the esophagus and intestine, concluding that the shifting microbial communities within the digestive tract provide strong evidence supporting the idea of bacteria playing a crucial role in food digestion (Masasa et al, 2023). Furthermore, environmental factors have been shown to influence the composition of gut microbiota.…”
Section: Prokaryotic 16s Metabarcodingmentioning
confidence: 99%