DNA barcoding in photosymbiotic species of Diplosoma (Ascidiacea: Didemnidae), with the description of a new species from the southern Ryukyus, Japan.
Zoolog Sci
; 26(8): 564-8, 2009 Aug.
Article
em En
| MEDLINE
| ID: mdl-19719409
ABSTRACT
Partial sequences of the cytochrome c oxidase subunit I (COI) gene were determined for six species of the genus Diplosoma (Ascidiacea, Didemnidae) to develop tools for species identification. Because each Diplosoma species has distinctly different COI haplotype(s), the gene sequence seems to be usable for species discrimination in this ascidian genus. The phylogenetic hypothesis supported by the COI data is congruent with the distribution of character states of the retractor muscle. in this paper, we describe a new Diplosoma species harboring symbiotic cyanophytes, found on Miyakojima Island, Ryukyu Archipelago, Japan. Diplosoma aggregatum sp. nov. forms mosaic-like aggregates of small colonies. Although the zooids of D. aggregatum are similar to those of D. virens, these species are differentiated by colony form and COI sequences.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Urocordados
/
Coloração Cromossômica
Idioma:
En
Ano de publicação:
2009
Tipo de documento:
Article