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BMB Rep. 2009 Oct 31;42(10):673-8.

Isolation and characterization of a novel short-chain alcohol dehydrogenase gene from Panax ginseng.

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  • 1Korean Ginseng Center for Most Valuable Products & Ginseng Genetic Resource Bank, Kyung Hee University, Suwon 449-701, Korea.

Abstract

The cDNA of alcohol dehydrogenase (PgADH) was isolated and characterized from the leaf of Panax ginseng. The cDNA had an open reading frame of 801 bp and a deduced amino acid sequence of 266 residues. The calculated molecular mass of the mature protein is approximately 29 kDa with a predicated isoelectric point of 6.84. Homology analysis revealed that the deduced amino acid of PgADH shares a high degree of homology with the short-chain ADH proteins of other plants. Genomic DNA hybridization analysis indicated that PgADH represents a multi-gene family. The expression of PgADH under various environmental stresses was analyzed at different time points using real-time PCR. ABA, SA and especially JA (80-fold) significantly induced PgADH expression within 24 h of treatment. The positive responses of PgADH to abiotic stimuli suggest that ginseng ADH may protect against hormone-related environmental stresses.

PMID:
19874713
[PubMed - indexed for MEDLINE]
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