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Partial characterization of cold active amylases and proteases of Streptomyces sp. from Antarctica BJM
Cotârleţ,Mihaela; Negoiţă,Teodor Gh; Bahrim,Gabriela E; Stougaard,Peter.
The aim of this study was to isolate novel enzyme-producing bacteria from vegetation samples from East Antarctica and also to characterize them genetically and biochemically in order to establish their phylogeny. The ability to grow at low temperature and to produce amylases and proteases cold-active was also tested. The results of the 16S rRNA gene sequence analysis showed that the 4 Alga rRNA was 100% identical to the sequences of Streptomyces sp. rRNA from Norway and from the Solomon Islands. The Streptomyces grew well in submerged system at 20ºC, cells multiplication up to stationary phase being drastically increased after 120 h of submerged cultivation. The beta-amylase production reached a maximum peak after seven days, while alpha-amylase and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Streptomyces sp; East Antarctica; Cold-adapted strain; Cold active proteases and amylase.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000300005
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