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黑根霉

黑根霉
科学分类 编辑
界: 真菌界 Fungi
门: 毛霉门 Mucoromycota
纲: 毛霉纲 Mucoromycetes
目: 毛霉目 Mucorales
科: 毛霉科 Mucoraceae
属: 根霉属 Rhizopus
种:
黑根霉 R. stolonifer
二名法
Rhizopus stolonifer
(Ehrenb.: Fr.) Vuill.
异名

Ascophora mucedo
Mucor ascophorus
Mucor mucedo
Mucor stolonifer
Rhizopus nigricans
Rhizopus stolonifer var. stolonifer

榴莲感染黑根霉时的样子。

黑根霉学名Rhizopus stolonifer)又名匍枝根霉,是一种常见的接合菌。会在馒头、面包上形成黑色的毛样霉斑。也可以引起人类的接合菌病或者白土豆的湿霉病。

黑根霉雌雄异体[1],分为“+”和“-”两种交配型,相遇时可进行有性生殖。环境条件恶劣时,两种交配型菌丝体各长出一短枝,横隔隔离出核,成为为配子囊。交配型不同的配子囊接触并融合,形成二倍体的接合孢子。接合孢子囊成熟后,形成厚壁,进入休眠以抵抗逆境。条件适宜时中止休眠,厚壁破裂,生出菌丝,顶端生孢子囊。孢子囊壁破裂,单倍的“+”、“-”孢子散出,萌发成新的菌丝体。R. stolonifer var. stolonifer生成直的孢子囊,R. stolonifer var. lyococcos生成的是弯的。[2]类似的物种Rhizopus sexualis雌雄同体的。

参考资料

  1. ^ (Schipper 1984)
  2. ^ Schipper, M. A. A. 1984. A revision of the genus Rhizopus. I. The Rh. stolonifer-group and Rh. oryzae. CBS Studies in Mycology 25:1-19.

外部链接

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黑根霉
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