RRC ID 57006
著者 Kitta R, Yamahama Y, Yamamoto T, Mase K, Sawada H.
タイトル Molecular Characterization and Tissue Distribution of Mitochondrial Ca2+ -Dependent Solute Carrier Protein during Prevention of Diapause by HCl Treatment in the Silkworm, Bombyx mori.
ジャーナル Zoolog Sci
Abstract To clarify the molecular mechanism of prevention of entry into diapause in Bombyx mori by HCl treatment, we biochemically analyzed mitochondrial Ca2+ -dependent solute carrier protein (MCSC) in diapause eggs treated with HCl solution. Our previous studies revealed that HCl treatment causes Ca2+ to efflux from diapause eggs. Therefore, we attempted to analyze MCSC, which is known to associate with Ca2+ . The isolated cDNA of B. mori MCSC (BmMCSC) had an open reading flame (ORF) of 667 amino acid residues, and the ORF contained two EF-hand calcium-binding domains and three characteristic features of the mitochondrial solute carrier superfamily. The gene expression level of BmMCSC increased by HCl treatment. A Ca2+ binding assay indicated that recombinant BmMCSC (rBmMCSC) shows an affinity with Ca2 + . The distribution of BmMCSC was investigated with an immunohistochemical technique using antisera against BmMCSC in diapause eggs and HCl-treated diapause eggs. BmMCSC was localized in serosa cells in both eggs. These data may suggest that BmMCSC is activated by intracellular Ca2+ or efflux Ca2+ by HCl treatment, and that it plays a role in the molecular mechanisms of artificial diapause prevention or the breaking of diapause in the silkworm.
巻・号 35(6)
ページ 487-493
公開日 2018-12-4
DOI 10.2108/zs180041
PMID 30520362
MeSH Animals Bombyx / drug effects Bombyx / metabolism* Gene Expression Regulation, Developmental / drug effects Hydrochloric Acid / pharmacology* Insect Proteins / genetics Insect Proteins / metabolism* Mitochondrial Proteins / genetics Mitochondrial Proteins / metabolism* Tissue Distribution
IF 0.846
引用数 1
リソース情報
カイコ p50