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Basidiomycota (/ b ə ˌ s ɪ d i. oʊ m aɪ ˈ k ... in the absence of dikaryon formation, diploid nuclei, and meiosis. A rare few number of taxa have extended ...
A basidiospore is a reproductive spore produced by basidiomycete fungi, a grouping that includes mushrooms, shelf fungi, rusts, and smuts. Basidiospores typically each contain one haploid nucleus that is the product of meiosis, and they are produced by specialized fungal cells called basidia.
Diagram showing a basidiomycete mushroom, gill structure, and spore-bearing basidia on the gill margins. A basidium (pl.: basidia) is a microscopic spore-producing structure found on the hymenophore of reproductive bodies of basidiomycete fungi. The presence of basidia is one of the main characteristic features of the group.
The phylum Basidiomycota can be divided into three major lineages: mushrooms, rusts and smuts. Fusion of haploid nuclei occurs in the basidia, club-shaped end cells. Shortly after formation of the diploid cell, meiosis occurs and the resulting four haploid nuclei migrate into four, usually external cells called basidiospores.
The life cycle of the Nidulariaceae, which contains both haploid and diploid stages, is typical of taxa in the basidiomycetes that can reproduce both asexually (via vegetative spores), or sexually (with meiosis).
Basidiomycetes: Typical reproductive structure of a basidiomycete, including the basidiospore and basidium: Aecispores: Produced by aecium: Rusts and Smuts Aecia on foliage: Urediniospores: Produced by uredinium Rusts and Smuts Uredinospores: Teliospores: Produced by teilum: Rusts and Smuts Microscopic image of teliospores: Oospores: Produced ...
The life cycle of Cyathus stercoreus, which contains both haploid and diploid stages, is typical of taxa in the basidiomycetes that can reproduce both asexually (via vegetative spores), or sexually (with meiosis). Basidiospores produced in the peridioles each contain a single haploid nucleus.
The life cycle of the genus Nidula, which contains both haploid and diploid stages, is typical of taxa in the basidiomycetes that can reproduce both asexually (via vegetative spores), or sexually (with meiosis). Basidiospores produced in the peridioles each contain a single haploid nucleus.