Emericella nidulans
| Aspergillus nidulans | |
|---|---|
 |
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| A. nidulans with wild-type green spores, grown under laboratory conditions. | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Eurotiomycetes |
| Order: | Eurotiales |
| Family: | Trichocomaceae |
| Genus: | Aspergillus |
| Species: | A. nidulans |
| Binomial name | |
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Aspergillus nidulans G Winter 1884 |
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| Synonyms | |
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Emericella nidulans |
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Emericella nidulans
Aspergillus nidulans (also called Emericella nidulans when referring to its sexual form, or teleomorph) is one of many species of filamentous fungi in the phylum Ascomycota. It has been an important research organism for studying eukaryotic cell biology for over 50 years, being used to study a wide range of subjects including recombination, DNA repair, mutation, cell cycle control, tubulin, chromatin, nucleokinesis, pathogenesis, metabolism, and experimental evolution. It is one of the few species in its genus able to form sexual spores through meiosis, allowing crossing of strains in the laboratory. A. nidulans is a homothallic fungus, meaning it is able to self-fertilize and form fruiting bodies in the absence of a mating partner. It has septate hyphae with a woolly colony texture and white mycelia. The green colour of wild-type colonies is due to pigmentation of the spores, while mutations in the pigmentation pathway can produce other spore colours.
The A. nidulans genome was sequenced in a collaboration between Monsanto and the Broad Institute. A sequence with 13-fold coverage was publicly released in March 2003; analysis of the annotated genome was published in Nature in December 2005. It is 30 million base pairs in size and is predicted to contain around 9,500 protein-coding genes on eight chromosomes.
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