The karyosphere capsule in oocytes of hibernating frogs Rana temporaria contains actin, lamins, and SnRNP
- Autores: Ilicheva N.1, Kiryushina D.2, Baskakov A.2, Podgornaya O.1,2,3, Pochukalina G.1
-
Afiliações:
- Institute of Cytology
- Department of Biology
- Far Eastern Federal University
- Edição: Volume 10, Nº 5 (2016)
- Páginas: 422-429
- Seção: Article
- URL: https://journals.rcsi.science/1990-519X/article/view/212195
- DOI: https://doi.org/10.1134/S1990519X16050059
- ID: 212195
Citar
Resumo
The nuclei of late vitellogenic oocytes of hibernating frogs Rana temporaria were studied. During this period of oogenesis, chromosomes are inactivated and surrounded by a fibrillar karyosphere capsule. Formation of the karyosphere capsule in grass frog oocytes has been investigated in detail at the light and electron microscopic levels, but the molecular composition of the capsule remains uncertain. Immunofluorescent staining of whole-mount preparations of oocyte nuclei revealed that the karyosphere capsule contained actin, lamins A, C, and B and snRNPs proteins. A putative role of these proteins in formation of the karyosphere capsule is discussed.
Palavras-chave
Sobre autores
N. Ilicheva
Institute of Cytology
Autor responsável pela correspondência
Email: nad9009@yandex.ru
Rússia, St. Petersburg, 194064
D. Kiryushina
Department of Biology
Email: nad9009@yandex.ru
Rússia, St. Petersburg, 199034
A. Baskakov
Department of Biology
Email: nad9009@yandex.ru
Rússia, St. Petersburg, 199034
O. Podgornaya
Institute of Cytology; Department of Biology; Far Eastern Federal University
Email: nad9009@yandex.ru
Rússia, St. Petersburg, 194064; St. Petersburg, 199034; Vladivostok, 690950
G. Pochukalina
Institute of Cytology
Email: nad9009@yandex.ru
Rússia, St. Petersburg, 194064