Minireview/ Minisynthèse The wheat/Pyrenophora tritici-repentis interaction: progress towards an understanding of tan spot disease †
作者： Lakhdar Lamari , Stephen E. Strelkov
DOI: 10.1080/07060661003594117
关键词: Pyrenophora 、 Genetics 、 Botany 、 Pathogen 、 Chlorosis 、 Genotype 、 Gene 、 Host (biology) 、 Biology 、 Toxin 、 Effector
摘要: Abstract Tan spot, caused by the fungus Pyrenophora tritici-repentis, is an important foliar disease of wheat. Eight races P. tritici-repentis have been identified to date, based on their ability cause necrosis and/or chlorosis a set wheat differential hosts. These symptoms result from action host-specific toxins, which are produced in different combinations and mediate interaction between host pathogen. Ptr ToxA induces sensitive genotypes, 13.2 kDa protein encoded gene. ToxB, ToxB gene, 6.6 kDa, chlorosis-inducing protein. ToxC also chlorosis, but appears be non-proteinaceous, polar, non-ionic, low-molecular-mass molecule. In susceptible wheat, three dominant independently inherited toxin-sensitivity genes identified, each controlling reaction single toxin. Most studies found that sensitivity toxins susceptibility producing r...
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