J Integr Plant Biol. ›› 1994, Vol. 36 ›› Issue (4): -.

• Research Articles •    

Isoelectrofocusing Electrophoretic Analysis on Soluble Protein of Germinated Embryos and Young Shoots from Different Cytoplasmic Male Sterile Lines and Their Maintainers in Wheat

Shen Yin-Zhu, Liu Zhi-yi, Huang Zhan-jing, Si Zhi-hai Zhang Zhao-duo   

Abstract: The soluble proteins of germinated embryos and young shoots in Wheat were studied by means of isoelectrofocusing (IEF) electrophoresis. The materials used were three species of cytoplasmic male-sterile (CMS) lines (Type E, T and A) and their maintainers. The protein quantity of pI 4. 9 in male-fertile materials is higher than the corresponding male-sterile ones; the protein of pI 6.85 is probably the result of gene expression in Timopheevi cytoplasm; the protein of pI 7.6 is a typical band of Jinfeng male-sterile line. Evident differences on soluble protein chromatograms of IEF electrophoresis were observed both in germinated embryos and young shoots which were from different kinds of CMS line, these differences could be used as indexes identifying various CMS lines.

Key words: Male sterile line: Soluble protein, Isoelectrofocusing electrophoresis

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