Тип публикации: статья из журнала
Год издания: 2017
Идентификатор DOI: 10.1186/s12862-017-1103-z
Ключевые слова: DNA repair, Eschrichtius robustus, Genome, Gray whale, Hypoxia-response, Transcriptome
Аннотация: Background: Gray whale, Eschrichtius robustus (E. robustus), is a single member of the family Eschrichtiidae, which is considered to be the most primitive in the class Cetacea. Gray whale is often described as a "living fossil". It is adapted to extreme marine conditions and has a high life expectancy (77 years). The assembly of a Показать полностьюgray whale genome and transcriptome will allow to carry out further studies of whale evolution, longevity, and resistance to extreme environment. Results: In this work, we report the first de novo assembly and primary analysis of the E. robustus genome and transcriptome based on kidney and liver samples. The presented draft genome assembly is complete by 55% in terms of a total genome length, but only by 24% in terms of the BUSCO complete gene groups, although 10,895 genes were identified. Transcriptome annotation and comparison with other whale species revealed robust expression of DNA repair and hypoxia-response genes, which is expected for whales. Conclusions: This preliminary study of the gray whale genome and transcriptome provides new data to better understand the whale evolution and the mechanisms of their adaptation to the hypoxic conditions. © 2017 The Author(s).
Журнал: BMC Evolutionary Biology
Выпуск журнала: Vol. 17
Номера страниц: 258
ISSN журнала: 14712148
Издатель: BioMed Central Ltd.