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： 0014-4894

年卷期： 2013 年 135 卷 1 期

页码：

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. (C) 2013 Elsevier Inc. All rights reserved.

分类号： Q958.9

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