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首页> 外文期刊>Mycologia >Black spot disease of Lentinula edodes caused by the Hyphozyma synanamorph of Eleutheromyces subulatus.
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Black spot disease of Lentinula edodes caused by the Hyphozyma synanamorph of Eleutheromyces subulatus.

机译：斑潜蝇亚种的合子体引起的香菇黑斑病。

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摘要

The Hyphozyma synanamorph of E. subulatus was found to be the cause of black spot disease of L. edodes fruiting bodies in Japan. Multiplication of yeast-like cells and hyphae of Hyphozyma resulted in blackening and mild lysis of the infected host cap tissues where partially degraded skeletal microfibrils of host cell walls were abundant. In general, host tissue lysis remained superficial; however in some cases, Hyphozyma caused severe lysis and formed deep cavities containing remnants of highly dissolved host cell walls and numerous yeast-like cells of the pathogen. Enzyme assays demonstrated the ability of Hyphozyma to produce both chitinase and beta-(1,3)-glucanase enzymes, requirements for hyphal wall degradation. On agar, conidiogenesis is enteroblastic in the Hyphozyma morph, whereas it is apparently holoblastic in the Eleutheromyces morph. No evidence of phialidic conidiogenesis was obtained.
机译：在日本发现subulatus的Hyphozyma synanamorph是引起香菇子实体黑斑病的原因。酵母样细胞的繁殖和菌丝的菌丝导致受感染的宿主帽组织变黑和轻度溶解，宿主细胞壁的部分降解的骨骼微纤维丰富。一般而言，宿主组织裂解仍是表面的。然而，在某些情况下，杂合子引起了严重的裂解并形成了深洞，其中包含高度溶解的宿主细胞壁和病原体的许多酵母样细胞的残留物。酶测定法证明了Hyphozyma产生几丁质酶和β-（1,3）-葡聚糖酶的能力，这是菌丝壁降解的要求。在琼脂上，分生孢子发生在次要菌形中是成胚细胞的，而在伊色酵母属中则明显是成卵细胞的。没有获得phialidic分生孢子的证据。

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