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Study on the relationship between lipoxygenase-3 and the characteristic of resisting storage insects of rice grain

文献类型: 外文期刊

作者: Tang, Qingfeng 1 ; Zhang, Ying 3 ; Liu, Binmei 1 ; Yu, Zengliang 1 ; Wu, Yuejin 1 ;

作者机构: 1.Chinese Acad Sci, Inst Plasma Phys, Key Lab Ion Beam Bioengn, Hefei 230031, Peoples R China

2.Anhui Agr Univ, Coll Plant Protect, Hefei 230036, Peoples R China

3.Anhui Acad Agr Sci, Inst Rice Res, Key Lab Rice Genet & Breeding Anhui Prov, Hefei 230031, Peoples R China

关键词: reproductive success;rice: grain product;genetic background;development success

期刊名称:JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT ( 影响因子:0.435; 五年影响因子:0.484 )

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收录情况: SCI

摘要: Lipoxygenase-3 (LOX-3) near-isogenic lines of rice (Oryza sativa L.) were obtained by backcrossing, which had similar genetic background while the enzyme activities of LOX-3 were different. Sitophilus zeamais adults responded positively to volatiles emitted from stored rice with LOX-3 in choice between stored rice with LOX-3 and stored rice without LOX-3. However, there was no significant difference when having the choice between fresh rice with LOX-3 and fresh rice without LOX-3. Results from experiment of development assay showed the development and reproductive success of S. zeamais was not influenced by rice grain LOX-3 presence or absence. The results indicated that the loss of LOX-3 was quite related to the tropism of storage insects, the main volatiles of rice grains during storage might be attractant to storage insects. By summing up above results; we can conclude that rice grain's volatiles produced by LOX-3 during storage are attractant to storage insects, if LOX-3 is absent, that would affect the tropism of storage insects. Therefore, the absence of LOX-3 may be very important in insect resistance in rice grain.

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