biostudies-literatureUnknownDaniels BNFROST Research Fund, California Polytechnic State UniversityNational Science FoundationMicrobiomes have gained significant attention in ecological research, owing to their diverse interactions and essential roles within different organismal ecosystems. Microorganisms, such as bacteria, archaea, and viruses, have profound impact on host health, influencing digestion, metabolism, immune function, tissue development, and behavior. This study investigates the microbiome diversity and function of Kellet's whelk (<i>Kelletia kelletii</i>) perivitelline fluid (PVF), which sustains thousands of developing <i>K. kelletii</i> embryos within a polysaccharide and protein matrix. Our core microbiome analysis reveals a diverse range of bacteria, with the <i>Roseobacter</i> genus being the most abundant. Additionally, genes related to host-microbe interactions, symbiosis, and quorum sensinMicrobiology spectrume0351423https://www.ebi.ac.uk/biostudies/studies/S-EPMC10913743biostudies-literatureMicrobiome composition and function within the Kellet's whelk perivitelline fluid.PMC10913743OCE-1924537Nurge JDavidson JMSleeper ODe Smet CDaniels BNWhite CFidopiastis PfalseMicrobiome composition and function within the Kellet's whelk perivitelline fluid.Microbiomes have gained significant attention in ecological research, owing to their diverse interactions and essential roles within different organismal ecosystems. Microorganisms, such as bacteria, archaea, and viruses, have profound impact on host health, influencing digestion, metabolism, immune function, tissue development, and behavior. This study investigates the microbiome diversity and function of Kellet's whelk (<i>Kelletia kelletii</i>) perivitelline fluid (PVF), which sustains thousands of developing <i>K. kelletii</i> embryos within a polysaccharide and protein matrix. Our core microbiome analysis reveals a diverse range of bacteria, with the <i>Roseobacter</i> genus being the most abundant. Additionally, genes related to host-microbe interactions, symbiosis, and quorum sensin2024-01-01T00:00:00Z2024 Feb2026-06-02T22:42:12.217Z2024-11-09T06:20:44.935ZS-EPMC109137433833437810.1128/spectrum.03514-23