DNA Barcoding in Photosymbiotic Species of Diplosoma (Ascidiacea: Didemnidae), with the Description of a New Species from the Southern Ryukyus, Japan
DNA Barcoding in Photosymbiotic Species of Diplosoma (Ascidiacea: Didemnidae), with the Description of a New Species from the Southern Ryukyus, Japan
复制标题
DOI：
10.2108/zsj.26.564
复制
发表时间：
2009-08-01
影响因子：
0.9
通讯作者：
Hirose, Euichi
中科院分区：
文献类型：
--
作者：
Hirose, Mamiko;Hirose, Euichi
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.
