Differential Expression in Response to Biotic and Abiotic Stress from Three Potato Glutaredoxins Induced during Suberization

To determine their tissue-specific expression, three GRX genes were isolated from ESTs of a "6-hr post-suberization" cDNA library for Solanum tuberosum L. cv. Desiree. Transcripts of a CCxC/S type GRX, StGRX1, accumulated to higher levels during the vegetative-growth stage in the leaves, s...

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Published in:Journal of plant biology = Singmul Hakhoe chi 2007-12, Vol.50 (6), p.663-670
Main Authors: Kang, W.J. (Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea), Kim, H.S. (Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea), Park, Y.I. (Chungnam National University, Daejeon, Republic of Korea), Joung, H.U. (Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea), Jeon, J.H. (Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea), E-mail: jeonjh@kribb.re.kr
Format: Article
Language:English
Subjects:
biotic and abiotic stresses
expression
Gene expression
glutaredoxin
Growth stage
PAPA
POMME DE TERRE
POTATOES
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Summary:To determine their tissue-specific expression, three GRX genes were isolated from ESTs of a "6-hr post-suberization" cDNA library for Solanum tuberosum L. cv. Desiree. Transcripts of a CCxC/S type GRX, StGRX1, accumulated to higher levels during the vegetative-growth stage in the leaves, stem, and roots. In contrast, transcripts of a CxxC/S type GRX, StGRX2, accumulated in the reproductive tissues, such as the flower and tuber. Differential expression of these three potato StGRXs suggest specific and unique physiological roles during plant development and in response to environmental cues.
ISSN:1226-9239
1867-0725
DOI:10.1007/BF03030611