Retardation of the Growth of Transplanted Apothecia: A Manifestation of Vegetative Incompatibility in Ascobolus stercorarius (Bull.) Schröt.

Experimental Mycology Pub Date : 1994-06-01 DOI:10.1006/emyc.1994.1012

George N. Bistis

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引用次数: 10

Abstract

Bistis, G. N. 1994. Retardation of the growth of transplanted apothecia: A manifestation of vegetative incompatibility in Ascobolus stercorarius (Bull.) Schröt. Experimental Mycology 18, 103-110. Two loci, C and D, each with at least two alleles, C¹, C² and D¹, D², control a system of apothecium-transplant incompatibility in the fungus Ascobolus stercorarius. The recognition appears to occur between the sterile tissue of the transplanted apothecium and the vegetative hyphae of the recipient mycelium. When these carry similar C and D alleles the transplanted apothecium grows at a normal rate. If they carry different D alleles the apothecium grows at a subnormal rate. If they carry different C alleles (with like or different Ds) the apothecium grows at a sub-subnormal rate. The C locus, but not the D, also has a detectable effect in vegetative heterokaryons. Two auxotrophic mutants will complement only if they carry like C factors. The two mating-type alleles, A, a, also function as transplant and vegetative incompatibility factors.

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移植的荷叶花生长迟缓:一种营养不相容的表现。散粒。

比斯提斯，g.n. 1994。移植的荷叶草生长迟缓:一种营养不相容的表现。散粒。真菌学学报(自然科学版)，18(3):391 - 391。两个位点，C和D，每个位点至少有两个等位基因，C1, C2和D1, D2，控制着真菌茎叶移植不亲和性系统。这种识别似乎发生在移植的棘球蚴的无菌组织和受体菌丝体的营养菌丝之间。当这些细胞携带相似的C和D等位基因时，移植的茎叶以正常的速度生长。如果它们携带不同的D等位基因，茎突的生长速度低于正常水平。如果它们携带不同的C等位基因(带有类似或不同的d)，顶茎的生长速度低于正常水平。C基因座，而不是D基因座，在营养异核体中也有明显的影响。两个营养缺陷突变体只有携带类似C的因子才能互补。两个配合型等位基因A、A也起移栽和营养不相容因子的作用。

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Experimental Mycology

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