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dc.contributor.authorAdachi, Kenta
dc.contributor.authorArai, Katsutoshi
dc.contributor.authorde la Peña, Milagros R.
dc.contributor.authorMoriyama, Shunsuke
dc.contributor.authorOkumura, Sei-Ichi
dc.date.accessioned2019-12-02T07:32:30Z
dc.date.available2019-12-02T07:32:30Z
dc.date.issued2018
dc.identifier.citationAdachi, K., Arai, K., de la Peña, M. R., Moriyama, S., & Okumura, S.-I. (2018). Evolution of genome size within the genus Haliotis (Vetigastropoda: Haliotidae). Journal of Shellfish Research, 37(5), 1067-1072.en
dc.identifier.issn0730-8000
dc.identifier.urihttp://hdl.handle.net/10862/3561
dc.description.abstractGenome size (C-value) and the percentage of adenine and thymine nucleotides in the genome (AT content) are fundamental characteristics of every species, and very important parameters in molecular cytogenetic and phylogenic studies, and for the progress of whole-genome sequencing. In this study, the C-value and AT content of nine abalone species inhabiting the Northwest Pacific (around Japan), Southeast Asia, South Africa, and Oceania were determined using flow cytometry. C-value ranged from 1.32 pg for Haliotis varia (Southeast Asia) to 2.01 pg for Haliotis laevigata (Oceania), and AT content ranged from 58.0% for Haliotis planata (Southeast Asia) to 66.3% for Haliotis diversicolor aquatilis (Southeast Asia). Reported chromosome numbers ranged from 2n = 32 to 36, and were higher in Oceanian, South African, and Northwest Pacific species (2n = 36) compared with the Southeast Asian group (2n = 32). This increase of chromosome number in the Oceanian species seems to be related to an increase in the DNA amount, unlike that of Haliotis midae (South African species). An increase of the C-value associated with an increase in DNA amount was also shown in the North Pacific group. These results suggest that increases in the DNA amount occurred independently in the ancestor of each of the different lineages.en
dc.publisherNational Shellfisheries Associationen
dc.subjectHaliotis variaen
dc.subjectHaliotis planataen
dc.subjectHaliotis midaeen
dc.subjectabalonesen
dc.subjectchromosome numberen
dc.titleEvolution of genome size within the genus Haliotis (Vetigastropoda: Haliotidae)en
dc.typeArticleen
dc.citation.volume37
dc.citation.issue5
dc.citation.spage1067
dc.citation.epage1072
dc.citation.journalTitleJournal of Shellfish Researchen
dc.subject.asfaradiationen
dc.identifier.essn1943-6319
dc.identifier.doi10.2983/035.037.0518
dc.subject.scientificNameHaliotis variaen
dc.subject.scientificNameHaliotis laevigataen
dc.subject.scientificNameHaliotis planataen
dc.subject.scientificNameHaliotis midaeen
dc.subject.scientificNameHaliotis diversicoloren
dc.subject.scientificNameHaliotidaeen
local.subjectabaloneen
local.subjectC-valueen
local.subjectchromosome numberen
local.subjectradiationen
local.subjectPacificen
local.subjectHaliotisen


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