Vegetative incompatibility in filamentous fungi: Podospora and Neurospora provide some clues.
نویسندگان
چکیده
In filamentous fungi, vegetative cell fusion between genotypically distinct individuals leads to a cell-death reaction known as vegetative or heterokaryon incompatibility. Genes involved in this reaction have been characterised molecularly. We can now begin to get a better understanding of the mechanism and the biological significance of this intriguing phenomenon.
منابع مشابه
Molecular genetics of heterokaryon incompatibility in filamentous ascomycetes.
Filamentous fungi spontaneously undergo vegetative cell fusion events within but also between individuals. These cell fusions (anastomoses) lead to cytoplasmic mixing and to the formation of vegetative heterokaryons (i.e., cells containing different nuclear types). The viability of these heterokaryons is genetically controlled by specific loci termed het loci (for heterokaryon incompatibility)....
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Vegetative incompatibility, which is very common in filamentous fungi, prevents a viable heterokaryotic cell from being formed by the fusion of filaments from two different wild-type strains. Such incompatibility is always the consequence of at least one genetic difference in specific genes (het genes). In Podospora anserina, alleles of the het-e and het-d loci control heterokaryon viability th...
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ورودعنوان ژورنال:
- Current opinion in microbiology
دوره 3 6 شماره
صفحات -
تاریخ انتشار 2000