ISSN:
1574-6968
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
Bacillus anthracis was isolated and identified from a bacterial collection of samples from the Amazon river bank. Type II restriction endonuclease activity was detected in this prokaryote, the enzyme was purified, the molecular mass of the native protein estimated by gel filtration, and optima pH, temperature and salt requirements were determined. Quality control assays showed complete absence of ‘non-specific nucleases’. Restriction cleavage analysis and DNA sequencing of restriction fragments allowed unequivocal demonstration of 5′-GG↓CC-3′ as the recognition sequence. This enzyme was named Ban AI and is therefore an isoschizomer of the prototype restriction endonuclease Hae III. This is the first report of a type II restriction endonuclease identified, purified from a natural isolate of B. anthracis.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1574-6968.2002.tb11376.x
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