Activities of reactive oxygen species (ROS) were investigated in the interaction between rice and Erwinia chrysanthemi pv. zeae. Results showed that O2·-, H2O2 and malondialdehyde (MDA) in resistant variety (128) had higher increases in activity compared to those in the susceptible variety (Texian 13) 24 hours after bacteria inoculation. The activities of superoxide dismutase (SOD) increased in 128 and Texian 13 twenty-four hours after inoculation and then decreased, but the SOD activity in 128 was found to be usually lower than that in Texian 13. The CAT activity in Texian 13 had two peaks at 24 h and 96 h after inoculation, while little change was seen in 128. In conclusion, ROS and its related enzymes could be correlated to rice resistance against E. chrysanthemi pv. zeae.
LIU Qiongguang, ZHANG Jingyi, WANG Yutao, WANG Zhenzhong, HE Landi
. Reactive oxygen species activity in the interaction
of rice with pv.[J]. Frontiers of Agriculture in China, 2008
, 2(4)
: 441
-445
.
DOI: 10.1007/s11703-008-0066-7
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