Aspergillus oryzae
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| Aspergillus oryzae | ||||||||||||||
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| Aspergillus oryzae (Ahlburg) Cohn |
Aspergillus oryzae (Chinese: 麴菌, 麴霉菌, 曲霉菌, pinyin: qū meí jùn, Japanese: 麹, 麹菌 or kōji-kin) is a filamentous fungus (a mold) used in Chinese and Japanese cuisine which ferments soybeans to produce soy sauce and miso. The fungus is also used by both cultures to saccharify rice, potatoes and grains for fermentation in the making of alcoholic beverages as huangjiu, sake, awamori and Shōchū. Also, the fungus is used for the production of rice vinegars as the Japanese rice vinegar (awasezu), ... The protease enzymes produced by this species is marketed by the company Novozymes under the name Flavourzyme.
"Red kōji-kin" is a separate species, Monascus purpureus.
Genome
Initially kept secret, the A. oryzae genome was released by a consortium of Japanese biotechnology companies [1] in late 2005[2]. The eight chromosomes together comprise 37 million base pairs and twelve thousand predicted genes. The genome of A. oryzae is thus one-third larger than that of two related Aspergilli, the genetics model organism Aspergillus nidulans and the dangerous human pathogen Aspergillus fumigatus[3]. Many of the extra genes present in A. oryzae are predicted to be involved in secondary metabolism. The sequenced strain is called RIB40 or ATCC 42149, and is a wildtype strain that is also used industrially.
References
- ↑ Goffeau, André (December 2005). "Multiple moulds". Nature 438: 1092-1093.
- ↑ Machida, Masayuki et al. (December 2005). "Genome sequencing and analysis of Aspergillus oryzae". Nature 438: 1157-1161. doi:10.1038/nature04300.
- ↑ Galagan, James E.; et al (December 2005). "Sequencing of Aspergillus nidulans and comparative analysis with A. fumigatus and A. oryzae". Nature 438: 1105-1115. doi:10.1038/nature04341.
External links
- Sake World's description of koji
- Aspergillus oryzae genome from the Database of Genomes Analysed at NITE (DOGAN)Template:Ingredient-stub
de:Aspergillus oryzaefi:Aspergillus oryzaenl:Aspergillus oryzae
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
