Activities of Peroxidase and Its Isoenzymes in Early Stage of Cucumber Gynogenesis

doi:10.3321/j.issn:1000-7091.2004.04.015

Abstract

Abstract: Peroxidase and its isoenzymes activities were measured in gynogenesis of cucumber ovary cultured for 0-9 days. The results showed that the activities of total peroxidase ( POD), NADH peroxidase ( NADH- POD), indole-3-acetic acid peroxidase ( IAAO) were all increasing markedly. While cytochrome peroxidase ( COX) and ascorbate peroxidase ( ASP) always decreased.And glutathione peroxidase ( GSH-Px) increased first , then decreased. These results indicated that it was signs of cucumber gynogenesis that activities of total perox-i dase and its isoenzymes, especially NADHPOD and GSH-Px increased surprisely.

Key words: Cucumber, Gynogenesis, Peroxidase, Isoenzymes, Isolated culture

CLC Number:

Q554.6

WANG Xiao-yun, DU Sheng-li, CAO Cui-ling, WEI Ai-min, HAN Yi-ke, ZHANG Gui-hua. Activities of Peroxidase and Its Isoenzymes in Early Stage of Cucumber Gynogenesis[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2004, 19(4): 55-58. doi: 10.3321/j.issn:1000-7091.2004.04.015.

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