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http://dx.doi.org/10.7852/jses.2013.51.2.191

Gene expression profile of the early embryonic gene of the silkworm, Bombyx mori  

Choi, Kwang-Ho (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA)
Goo, Tae-Won (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA)
Kim, Seong-Ryul (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA)
Kim, Sung-Wan (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA)
Chun, Jae-Buhm (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA)
Park, Seoung-Won (Dep. of Biotechnology, Catholic Univ. of DAEGU)
Kang, Seok-Woo (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA)
Publication Information
Journal of Sericultural and Entomological Science / v.51, no.2, 2013 , pp. 191-196 More about this Journal
Abstract
This study was aimed for development of a useful genes that has a transcript expressional specificity in the early embryonic stage of the silkworm, Bombyx mori. We constructed and analyzed a full-length cDNA library from silkworm's eggs which after a lapse of 2 ~ 6 hours post oviposit. A total 960 clones were randomly selected, and the 5' ends of the inserts were sequenced to generate 652 expressed sequence tags(EST). 334 unique ESTs were generated after the assembly of 652 ESTs. The annotation of 334 unique ESTs by BLAST search revealed that 156(47%) of the sequences represented known genes, whereas 178(53%) of the sequences has no matches in the database. Of the 156 known genes, the most abundant genes were heat shock protein hsp20.8 gene(12 times) and ubiqutin-like protein gene(11 times). The functional groups of these ESTs with matches in the database were constructed according to their putative molecular functions. Among thirteen functional categories, the largest groups were protein synthesis(9.6%) and cellular organization( 8.1%). Further defined studies on molecular functions and biological roles of their promoters will give us wellfined information and its application.
Keywords
Silkworm; Embryo; cDNA library; EST;
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Times Cited By KSCI : 3  (Citation Analysis)
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