Disruption of the cellulose synthase gene, AtCesA8/IRX1, enhances drought and osmotic stress tolerance in Arabidopsis.

@article{Chen2005DisruptionOT,
  title={Disruption of the cellulose synthase gene, AtCesA8/IRX1, enhances drought and osmotic stress tolerance in Arabidopsis.},
  author={Zhizhong Chen and Xuhui Hong and Hairong Zhang and Youqun Wang and Xia Li and Jian-Kang Zhu and Zhizhong Gong},
  journal={The Plant journal : for cell and molecular biology},
  year={2005},
  volume={43 2},
  pages={273-83}
}
Two allelic Arabidopsis mutants, leaf wilting 2-1 and leaf wilting 2-2 (lew2-1 and lew2-2 ), were isolated in a screen for plants with altered drought stress responses. The mutants were more tolerant to drought stress as well as to NaCl, mannitol and other osmotic stresses. lew2 mutant plants accumulated more abscisic acid (ABA), proline and soluble sugars than the wild type. The expression of a stress-inducible marker gene RD29A, a proline synthesis-related gene P5CS (pyrroline-5-carboxylate… CONTINUE READING

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Expression of a mutant form of cellulose synthase AtCesA7 causes dominant negative effect on cellulose biosynthesis

  • R. Zhong, W. H. Morrison, 3rd, G. D. Freshour, M. G. Hahn, Z. H. Ye
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