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Paper Information

Journal:   IRANIAN JOURNAL OF BIOLOGY   Spring-Summer 2003 , Volume 14 , Number 1-2; Page(s) 1 To 11.
 
Paper: 

INCREASE IN Β-CAROTENE PRODUCTION BY BLAKESLEA TRISPORA GROWN WITH WHOLE CELLS OF SOME MICROORGANISMS

 
 
Author(s):  ZAREH D., AZIN M.
 
* 
 
Abstract: 
Blakeslea trispora. a filamentous fungus. Was cultured with or without accompanying strains of Micrococcus luteus. Bacillus subtilis, Streptomyces fradiae. And Saccharomyces cerevisiae which were added separately to 24 h old cultures. in order to increase beta-carotene production. It was shown that by adding M. luteus. the β-carotene production in the culture medium was increased about 2.7 times -in comparison to control. B. subtilis and S. fradiae showed no considerable effect on β -carotene production while S. cerevisiae had a negative effect. M. luteus was then added to unmated plus and minus types of B. trispora leading to a little increase in beta- carotene production compared to the control. The positive effect of adding M. luteus was only due to the existence of its life cells. Since addition of autoclaved or cell-free culture supernatant of this bacterium did not increase the beta-carotene production in B. trispora cultures.
 
Keyword(s): Β-CAROTENE, BLAKESLEA TRISPORA, MIXED CULTURE, MICROCOCCUS LUTEUS
 
References: 
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