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WOLFGANG FRANK
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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GFDD4-1 Gene Expression in Physcomitrella patens and Homologous Gene in Arabidopsis thaliana in Response to Abiotic Stress DIAH RATNADEWI; WOLFGANG FRANK
HAYATI Journal of Biosciences Vol. 12 No. 4 (2005): December 2005
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.372 KB) | DOI: 10.4308/hjb.12.4.127

Abstract

A number of abiotic stress responsive genes have been identified from various plant species through reverse genetic strategy. A group of genes are involved in plant responses to stress; they are activated by diverse stress conditions and through different mechanisms. One single gene can be induced by several different stress factors; on the other hand, a number of genes can be up-regulated by a single factor. In Physcomitrella patens, through Northern hybridization, the transcript level of the gene GFDD4-I was detected to be markedly increased by ABA, dehydration and cold, but not by salinity and osmotic stress. In Arabidopsis thaliana, a homologous gene to GFDD4-1 namely At2g47770, was confirmed to fulfill similar function as in P. patens: it is inducible by various abiotic stress treatments, i.e. ABA, dehydration, salinity, and cold. Inducible genes in response to abiotic stress factors may be responsible for plant tolerance to those factors.
Co-Authors Diah Ratnadewi