Diversity and characterization of bacterial communities of five co-occurring species at a hydrothermal vent on the Tonga Arc SCIE SCOPUS

Cited 12 time in WEB OF SCIENCE Cited 12 time in Scopus
Title
Diversity and characterization of bacterial communities of five co-occurring species at a hydrothermal vent on the Tonga Arc
Author(s)
Lee, Won‐Kyung; Juniper, S. Kim; Perez, Maëva; Ju, Se-Jong; Kim, Se‐Joo
KIOST Author(s)
Ju, Se Jong(주세종)
Alternative Author(s)
주세종
Publication Year
2021-05
Abstract
Host-symbiont relationships in hydrothermal vent ecosystems, supported by chemoautotrophic bacteria as primary producers, have been extensively studied. However, the process by which densely populated co-occurring invertebrate hosts form symbiotic relationships with bacterial symbionts remains unclear. Here, we analyzed gill-associated symbiotic bacteria (gill symbionts) of five co-occurring hosts, three mollusks ("Bathymodiolus" manusensis, B. brevior, and Alviniconcha strummeri) and two crustaceans (Rimicaris variabilis and Austinograea alayseae), collected together at a single vent site in the Tonga Arc. We observed both different compositions of gill symbionts and the presence of unshared operational taxonomic units (OTUs). In addition, the total number of OTUs was greater for crustacean hosts than for mollusks. The phylogenetic relationship trees of gill symbionts suggest that gamma-proteobacterial gill symbionts have coevolved with their hosts toward reinforcement of host specificity, while campylobacterial Sulfurovum species found across various hosts and habitats are opportunistic associates. Our results confirm that gill symbiont communities differ among co-occurring vent invertebrates and indicate that hosts are closely related with their gill symbiont communities. Considering the given resources available at a single site, differentiation of gill symbionts seems to be a useful strategy for obtaining nutrition and energy while avoiding competition among both hosts and gill symbionts.
ISSN
2045-7758
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/40236
DOI
10.1002/ece3.7343
Bibliographic Citation
ECOLOGY AND EVOLUTION, v.11, no.9, pp.4481 - 4493, 2021
Publisher
WILEY
Keywords
bacterial community structure; Campylobacteria; chemosynthesis‐ based ecosystem; Gammaproteobacteria; symbiosis; vent invertebrates
Type
Article
Language
English
Document Type
Article
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