''Aspergillus restrictus'' is a species of

fungus A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

in the genus ''

Aspergillus ' () is a genus consisting of several hundred mold species found in various climates worldwide. ''Aspergillus'' was first catalogued in 1729 by the Italian priest and biologist Pier Antonio Micheli. Viewing the fungi under a microscope, Miche ...

''. It is from the ''Restricti'' section. The species was first described in 1931.Smith, G. 1931, J. Textile Res. Inst. 22: 115 It is xerophilic, frequently found in house dust. Studies have suggested that it is an

allergen An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response. In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivi ...

implicated in

asthma Asthma is a common long-term inflammatory disease of the airways of the lungs. It is characterized by variable and recurring symptoms, reversible airflow obstruction, and easily triggered bronchospasms. Symptoms include episodes of wh ...

. In 2016, the

genome A genome is all the genetic information of an organism. It consists of nucleotide sequences of DNA (or RNA in RNA viruses). The nuclear genome includes protein-coding genes and non-coding genes, other functional regions of the genome such as ...

of ''A. restrictus'' was

sequenced In genetics and biochemistry, sequencing means to determine the primary structure (sometimes incorrectly called the primary sequence) of an unbranched biopolymer. Sequencing results in a symbolic linear depiction known as a sequence which succi ...

as a part of the ''Aspergillus'' whole-genome sequencing project - a project dedicated to performing whole-genome sequencing of all members of the genus ''Aspergillus''. The genome assembly size was 23.26 Mbp.

Growth and morphology

''A. restrictus'' has been cultivated on both Czapek yeast extract agar (CYA) plates and Malt Extract Agar Oxoid (MEAOX) plates. The growth morphology of the colonies can be seen in the pictures below. Aspergillus_restrictus_cya.png, ''Aspergillus restrictus'' growing on CYA plate Aspergillus_restrictus_meaox.png, ''Aspergillus restrictus'' growing on MEAOX plate

References

Fungi described in 1931 restrictus Fungus species {{Eurotiomycetes-stub