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Aspergillus sydowii is a saprophytic fungus found in soil that can contaminate food and is occasionally pathogenic to humans. It is the predominant fungus found on wheat Qu, the most widely used source of raw microorganisms and crude enzymes for Chinese rice wine brewing. [5]
Genome sizes for sequenced species of Aspergillus range from about 29.3 Mb for A. fumigatus to 37.1 Mb for A. oryzae, while the numbers of predicted genes vary from about 9926 for A. fumigatus to about 12,071 for A. oryzae. The genome size of an enzyme-producing strain of A. niger is of intermediate size at 33.9 Mb. [3]
Aspergillus 235 mags 3X3 copy. Aspergillosis is caused by Aspergillus, a common mold, which tends to affect people who already have a lung disease such as cystic fibrosis or asthma, or who cannot fight infection themselves. [3] The most common causative species is Aspergillus fumigatus. [19]
Czapek medium, also called Czapek's agar (CZA) [1] [2] or Czapek-Dox medium, is a growth medium for propagating fungi and other organisms in a laboratory. It was named after its inventors, Czech botanist Friedrich Johann Franz Czapek (May 16, 1868 – July 31, 1921) and American chemist Arthur Wayland Dox (September 19, 1882 – 1954).
A 0.5 McFarland standard is prepared by mixing 0.05 mL of 1.175% barium chloride dihydrate (BaCl 2 •2H 2 O), with 9.95 mL of 1% sulfuric acid (H 2 SO 4). [ 1 ] Now there are McFarland standards prepared from suspensions of latex particles, which lengthens the shelf life and stability of the suspensions.
Aspergillus versicolor is a slow-growing species of filamentous fungus commonly found in damp indoor environments and on food products. [ 1 ] [ 2 ] It has a characteristic musty odor associated with moldy homes and is a major producer of the hepatotoxic and carcinogenic mycotoxin sterigmatocystin .
[1] Ceredase is the trade name of a citrate buffered solution of alglucerase that was manufactured by Genzyme Corporation from human placental tissue. [1] It is given intravenously in the treatment of Type 1 Gaucher's disease. This was the first drug approved as an enzyme replacement therapy. [1] It was approved by the FDA in 1991. [2]
The fungus can grow in a range of environmental conditions; it can grow at temperatures ranging from 6 to 47 °C. [12] As a mesophile, [13] its optimal temperature range is 35-37 °C. [11] It can tolerate pH ranging from 1.5 to 9.8. [12] A. niger is xerophilic, meaning it can grow and reproduce in environments with very little water.