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New insights into the genetic diversity of zooxanthellae in Mediterranean anthozoans
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Orientador(es)
Resumo(s)
Symbiotic dinoflagellates of the genus
Symbiodinium, also called zooxanthellae, are found in association
with a wide diversity of shallow-water anthozoans. The
Symbiodinium genus includes numerous lineages, also referred
to as clades or phylotypes, as well as a wide diversity
of genetic sub-clades and sub-phylotypes. There are few studies
characterizing the genetic diversity of zooxanthellae in
Mediterranean anthozoans. In this study, we included anthozoans
from the Western Mediterranean Sea and by means of
internal transcriber (ITS) and large sub-unit (LSU) rRNA
markers we corroborate what has been previously identified,
demonstrating that phylotype “Temperate A” is very common
among host Cnidaria in this basin. Our finding of fixed differences
in ITS and LSU markers that correspond to different
host taxa, indicate that this clade may comprise several
closely-related species.
Descrição
Palavras-chave
Symbiodinium sp. Genetic characterization Phylotypes "Temperate A" and B Western Mediterranean
Contexto Educativo
Citação
Editora
Springer Verlag