ArticleMolecular biology reports2012
Molecular cloning, expression and characterization of a novel vacuolar protein sorting 4 gene in silkworm, Bombyx mori.
Article in Molecular biology reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 4 citations in OpenAlex.
- Identification and Characterization of BmVta1, a Bombyx mori (Lepidoptera: Bombycidae) Homologue for Vta1 That is Up-Regulated in Development.Journal of insect science (Online) · 2017Article
- Molecular Expression of the Scribble Complex Genes, Dlg, Scrib and Lgl, in Silkworm, Bombyx mori.Genes · 2013Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
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Abstract
The vacuolar protein sorting 4 (Vps4) protein is essential for the multivesicular body (MVB) pathway, virus budding process and cytokinesis. Vps4 has been identified and characterized from many species, but not from silkworm Bombyx mori. In this study, we firstly identified and cloned the silkworm homologous gene for VPS4, expressed it in Escherichia coli, purified and characterized the protein designated as BmVps4. The BmVps4 cDNA contains an open reading frame of 1,314 bp, and encodes a protein of 438 amino acid residues. BmVps4 is of high sequence-similarity to Vps4 proteins from other species. The recombinant BmVps4 shows ATPase activity, which can be stimulated by Mg(2+) and inhibited by dominant mutations. Together, our data suggest BmVps4 is the genuine silkworm homologue of Vps4. To our knowledge, this is the first-time characterization of any silkworm MVB proteins. This study will facilitate further investigation of silkworm MVB pathway and its possible roles in the infection and budding of B. mori nuclear polyhedrosis virus (BmNPV), which is one of the most common and severe pathogens for silkworms. The cloned BmVps4 sequence is deposited in GenBank (Accession number GQ995504).
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