Effect of Pyricularia Oryzae Toxins on Microfil ament of Rice Root Cap Cells

doi:10.3321/j.issn:1000-7091.2000.Z1.001

Abstract

Abstract: The distribution of actin filaments (AFs) in the root cap cells of rice Zhenshan 97A and Zhenshan 97B was studied using fluorescence probe FITC-Phalloid in. When the root cap cells were treated by toxins, the distrbution pattern of AF s was changed into bundles or granules. The AFs in Zhenshan 97A were destroyed mo re than that of in Zhenshan97B. As a extracelluar signal, the toxins have the pa thogenicity to the rice by some way. The results suggest that the microfilment is related to the signal transduction.

Key words: Toxin, Microfilment, Male-sterile cytoplasm, Signal transduction

LEI Yu hua, YAN Zhi fen, MA Chun hong, WEI Jian kun. Effect of Pyricularia Oryzae Toxins on Microfil ament of Rice Root Cap Cells[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2000, 15(S1): 1-3. doi: 10.3321/j.issn:1000-7091.2000.Z1.001.

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