| lucinidae/sulfur-oxidizing bacteria: ancestral heritage or opportunistic association? further insights from the bohol sea (the philippines). | the first studies of the 16s rrna gene diversity of the bacterial symbionts found in lucinid clams did not clarify how symbiotic associations had evolved in this group. indeed, although species-specific associations deriving from a putative ancestral symbiotic association have been described (coevolution scenario), associations between the same bacterial species and various host species (opportunistic scenario) have also been described. here, we carried out a comparative molecular analysis of ho ... | 2010 | 21091519 |