Developmental Changes in the Localization of Protein Kinase CK2 in Non-Diapause and Diapause Eggs of the Silkworm, Bombyx mori

被引：7

作者：

Sawada, Hiroshi ^{[1
]}

Yamahama, Yumi ^{[2
]}

Yamamoto, Takayuki ^{[3
]}

Togawa, Toru ^{[1
]}

Mase, Keisuke ^{[1
]}

机构：

[1] Nihon Univ, Biol Lab, Dept Gen Studies, Coll Humanities & Sci,Setagaya Ku, Tokyo 1568550, Japan

[2] Hamamatsu Univ Sch Med, Dept Biol, Hamamatsu, Shizuoka 4313192, Japan

[3] Kitasato Univ, Biol Lab, Coll Liberal Arts & Sci, Sagamihara, Kanagawa 2288555, Japan

来源：

ZOOLOGICAL SCIENCE | 2012年 / 29卷 / 01期

基金：

日本学术振兴会;

关键词：

Bombyx mori; casein kinase 2; diapause; protein kinase CK2; silkworm eggs; EARLY EMBRYONIC-DEVELOPMENT; PHOSPHORYLATION; ACTIVATION; ENZYME; PURIFICATION; TEMPERATURE; TERMINATION; ROLES; ALPHA; GENE;

D O I：

10.2108/zsj.29.6

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

To analyze the role of protein kinase CK2 (CK2) during early embryogenesis in non-diapause and diapause of the silkworm, the distribution and localization of Bombyx mori CK2 (BmCK2) were investigated by an immunohistochemical technique using antibodies against the alpha- and beta-subunits of BmCK2. Both were localized in blastoderm cells of non-diapause and diapause eggs until 24 h after oviposition. More than 24 h after oviposition, however, the distribution of BmCK2 was different in non-diapause and diapause eggs. In non-diapause eggs, BmCK2 was mainly localized in yolk cells. In contrast, in diapause eggs, the localization was mainly observed in germ-band cells. Furthermore, we confirmed that the RNA helicase-like protein that was localized together with BmCK2 in non-diapause eggs was phosphorylated by BmCK2 in vitro. These data suggest that the role of BmCK2 is different in non-diapause and diapause eggs.

引用

页码：6 / 10

页数：5

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