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
第一作者: Sun, Jingzu
作者: Sun, Jingzu;Xie, Hongyan;Liu, Xingzhong;Xiang, Meichun;Xie, Hongyan;Qiu, Junzhi
作者机构:
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 )
ISSN:
年卷期:
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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.
分类号: Q958.9
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