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Absence of cospeciation between deep-sea mytilids and their thiotrophic endosymbionts

Title
Absence of cospeciation between deep-sea mytilids and their thiotrophic endosymbionts
Authors
Won Y.-J.Jones W.J.Vrijenhoek R.C.
Ewha Authors
원용진
SCOPUS Author ID
원용진scopus
Issue Date
2008
Journal Title
Journal of Shellfish Research
ISSN
0730-8000JCR Link
Citation
vol. 27, no. 1, pp. 129 - 138
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Molecular phylogenetic analyses revealed no evidence for cospeciation between deep-sea bathymodiolin mussels (Bivalvia: Mytilidae) and their associated thiotrophic (sulfur-oxidizing) bacterial endosymbionts. Host and symbiont tree topologies were not congruent and inferred time-depths of the gene trees were inconsistent, as expected if the mussel hosts are infected by local strains of the symbiont. Evolutionary divergence among the thiotrophs is correlated with geographical distances among sample locations. Apparently these bacteria established a global distribution long before contemporary oceanic barriers achieved their current positions, and before evolutionarily younger mussel hosts diversified into presently recognized species.
DOI
10.2983/0730-8000(2008)27[129:AOCBDM]2.0.CO2
Appears in Collections:
자연과학대학 > 생명과학전공 > Journal papers
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