Division: Chytridiomycota
Members of the division Chytridiomycota have unicellular to mycelial thalli. Their cell wall composition is mostly chitin, and cellulose is not known to occur. Because cell wall composition is thought to be a conservative characteristic, this division was classified by Bartnicki-Garcia (1970) with the true fungi. However, it was not until studies sequencing of the small subunit rDNA was carried out that mycologist became bold enough to classify this division with the true fungi. Thus, this division has been classified with the true fungi even though flagellated spores and gametes are produced. Gametes and zoospores have a single, posterior whiplash flagellum. Sexual reproduction is variable and may be isogamous, anisogamous or oogamous. The division has a single class, the Chytridiomycetes, We will look at representatives from two orders, the Chytridiales and Blastocladiales.
Division: ChytridiomycotaMembers of the division Chytridiomycota have unicellular to mycelial thalli. Their cell wall composition is mostly chitin, and cellulose is not known to occur. Because cell wall composition is thought to be a conservative characteristic, this division was classified by Bartnicki-Garcia (1970) with the true fungi. However, it was not until studies sequencing of the small subunit rDNA was carried out that mycologist became bold enough to classify this division with the true fungi. Thus, this division has been classified with the true fungi even though flagellated spores and gametes are produced. Gametes and zoospores have a single, posterior whiplash flagellum. Sexual reproduction is variable and may be isogamous, anisogamous or oogamous. The division has a single class, the Chytridiomycetes, We will look at representatives from two orders, the Chytridiales and Blastocladiales.
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