本文以光学、电子显微镜对元蘑(Pleurotus oetreatus (Jacg ex Fr.)Quel子实层结构及担子发育的研究表明,元蘑的菌褶属于子实层同时发育类型,菌髓位于中央,其两侧依次是子实下层和子实层,子实层由担子,囊状体组成。担子由子实下层的菌...本文以光学、电子显微镜对元蘑(Pleurotus oetreatus (Jacg ex Fr.)Quel子实层结构及担子发育的研究表明,元蘑的菌褶属于子实层同时发育类型,菌髓位于中央,其两侧依次是子实下层和子实层,子实层由担子,囊状体组成。担子由子实下层的菌丝顶端细胞经过亚担子锁状联合形成,双核的幼担子经过核配及减效分裂,产生四个单倍体细胞核,元蘑的担子存在Duncan等提出的减数分裂后活动(post-meiotic events),表现为A型及C型,说明元蘑的减数分裂后活动是双重类型。展开更多
Microscopical examination demonstrated that Tricholoma giganteum basidia bear 4 basidiospores. Mating tests revealed that T. giganteum has a tetra-polar, heterothallic mating system. New types of factor B (Br) occurre...Microscopical examination demonstrated that Tricholoma giganteum basidia bear 4 basidiospores. Mating tests revealed that T. giganteum has a tetra-polar, heterothallic mating system. New types of factor B (Br) occurred as a result of recombination within the B-type mating factor.展开更多
基金Sponsored by the Foundation of Fujian Province (No .2006S1001and No .2005N034)
文摘Microscopical examination demonstrated that Tricholoma giganteum basidia bear 4 basidiospores. Mating tests revealed that T. giganteum has a tetra-polar, heterothallic mating system. New types of factor B (Br) occurred as a result of recombination within the B-type mating factor.