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Effect of Cadmium on Peroxidase Isozyme in Arabidopsis thaliana Roots

The adverse effect of Cd on growth is apparent from the reduction in root length of the Cd-treated Arabidopsis thaliana roots. The increase of the levels of H2O2 was observed in Cd-treated A. thaliana roots. The lignin biosynthesis related enzymes, POXs and laccases were enhanced during the Cd treatments. The lignin contents slightly increased in Cd-treated A. thaliana roots¡]48 h¡^. The A. thaliana can be tolerant to high concentration of Cd (500 µM), and only part of high levels of H2O2 accumulated in Cd-treated tissues are used by POXs to synthesize the lignin.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0711106-152031
Date11 July 2006
CreatorsLin, Mao-yi
ContributorsHao-jen Huang, Zin-huang Liu, Ching-mei Hsu
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0711106-152031
Rightsunrestricted, Copyright information available at source archive

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