Anoxia Tolerance in a Root Hair Defective Mutant of Rice

Anoxia Tolerance in a Root Hair Defective Mutant of Rice Anoxia tolerance of rice (Oryza sativa L.) seedlings was investigated using wild type (WT) and root hair defective mutant RH2. The elongation of both RH2 and WT roots was suppressed by anoxia, but this suppression was less in RH2 than in WT roots. The anoxic treatment increased the activity of alcohol dehydrogenase in both RH2 and WT roots, but the induction was greater in RH2 roots. These results suggest that anoxia tolerance of RH2 roots is greater than that of WT roots, indicating that root hairs may interfere with the anoxia tolerance of rice roots. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Anoxia Tolerance in a Root Hair Defective Mutant of Rice

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Publisher
Springer Journals
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/B:RUPP.0000011311.19718.f4
Publisher site
See Article on Publisher Site

Abstract

Anoxia tolerance of rice (Oryza sativa L.) seedlings was investigated using wild type (WT) and root hair defective mutant RH2. The elongation of both RH2 and WT roots was suppressed by anoxia, but this suppression was less in RH2 than in WT roots. The anoxic treatment increased the activity of alcohol dehydrogenase in both RH2 and WT roots, but the induction was greater in RH2 roots. These results suggest that anoxia tolerance of RH2 roots is greater than that of WT roots, indicating that root hairs may interfere with the anoxia tolerance of rice roots.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 18, 2004

References

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