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A Comparative Proteomic Analysis of Parthenogenetic Lines and Amphigenetic Lines of Silkworm
Peigang Liu,Yongqiang Wang,Xin Du,Fangxiong Shi,Zhiqi Meng 한국생물공학회 2014 Biotechnology and Bioprocess Engineering Vol.19 No.4
Parthenogenetic strains of silkworm serve as aneffective system for sex-control in silkworms. To determinethe molecular mechanism of silkworm parthenogenesis,protein profiles from newly hatched silkworm of aparthenogenetic lines with high pigmentation rate andhatching rate were compared with amphigenetic lines usingproteomics approach, including by two-dimensional electrophoresis(2-DE), matrix-assisted laser desorption/ionizationtime-of-flight mass spectrometry (MALDI-TOF/TOF MS),and bioinformatics analysis. Several proteins were expresseddifferentially between the parthenogenetic and amphigeneticlines, and seven of nine interesting proteins were identifiedsuccessfully using MALDI-TOF/TOF MS analysis. Theidentified proteins were muscular protein-20, odorant bindingprotein-LOC100301497, glutathione S-transferase delta,translationally controlled tumor protein homolog, cuticularprotein RR-1 motif 19, beta-actin, actins, and muscle-typeA1 actins. These proteins may be associated with the regulationof growth, development, and reproductive processes ofsilkworm parthenogenetic lines.