Department of Crop Sciences, Division of Plant Protection, University of Natural Resources and Life Sciences, Konrad Lorenz Straße 24, 3430 Tulln, Austria.
J Exp Bot. 2013 Sep;64(12):3763-74. doi: 10.1093/jxb/ert213.
The beneficial endophytic fungus Piriformospora indica colonizes the roots of many plant species, including the model plant Arabidopsis thaliana. Its colonization promotes plant growth, development, and seed production as well as resistance to various biotic and abiotic stresses. In the present work, P. indica was tested as potential antagonist of the sedentary plant-parasitic nematode Heterodera schachtii. This biotrophic cyst-forming nematode induces severe host plant damage by changing the morphogenesis and physiology of infected roots. Here it is shown that P. indica colonization, as well as the application of fungal exudates and cell-wall extracts, significantly affects the vitality, infectivity, development, and reproduction of H. schachtii.
有益内生真菌拟盘多毛孢（Piriformospora indica）定殖于许多植物物种的根部，包括模式植物拟南芥（Arabidopsis thaliana）。其定殖可促进植物生长、发育和种子产生，并提高植物对各种生物和非生物胁迫的抗性。在本工作中，拟盘多毛孢被测试为定居性植物寄生线虫麦根肾形线虫（Heterodera schachtii）的潜在拮抗真菌。这种生物营养型形成胞囊的线虫通过改变受感染根系的形态发生和生理学，引起严重的宿主植物损伤。本文表明，拟盘多毛孢的定殖以及真菌分泌物和细胞壁提取物的应用，显著影响麦根肾形线虫的活力、感染力、发育和繁殖。
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