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Parasitism of secondary-stage juvenile of Heterodera glycines and four larva stages of Caenorhabditis elegans by Hirsutella spp

文献类型： 外文期刊

作者： Sun, Jingzu 1 ; Xie, Hongyan 1 ; Qiu, Junzhi 3 ; Liu, Xingzhong 1 ; Xiang, Meichun 1 ;

作者机构： 1.Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing 100101, Peoples R China

2.Shandong Acad Agr Sci, High Tech Res Ctr, Shandong Prov Key Lab Genet Improvement Cultivat, Jinan, Peoples R China

3.Fujian Agr & Forestry Univ, Dept Life Sci, Fuzhou, Peoples R China

关键词： Hirsutella spp.;Heterodera glycines;Caenorhabditis elegans;Pathogenicity;Larval stages

期刊名称：EXPERIMENTAL PARASITOLOGY （ 影响因子：2.011； 五年影响因子：2.132 ）

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收录情况： SCI

摘要： The fungi Hirsutella rhossiliensis and Hirsutella minnesotensis generally parasitize only plant-parasitic nematodes in nature but parasitize the bacterivorous nematode Caenorhabditis elegans on agar plates. To establish a model system for studying the interaction between fungi and nematodes, we compared the parasitism of the first- to fourth-stage larvae (L1-L4) of C elegans and second-stage juvenile (J2) of Heterodera glycines by twenty isolates of Hirsurella spp. Although parasitism differed substantially among isolates, both H. minnesotensis and H. rhossiliensis parasitized a higher percentage of H. glycines J2s than of C. elegans larvae. Parasitism of C. elegans L1s was correlated with parasitism of H. glycines J2s. Parasitism of C elegans by H. rhossiliensis and H. minnesotensis was negatively correlated with larva size and motility, i.e., parasitism was higher for the younger stages. The C elegans L1 is recommended for studying parasitism of nematodes by H. rhossiliensis and H. minnesotensis.

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