Effect of light on growth, pigment production and culture morphology of Monascus purpureus in solid-state fermentation

被引:56
作者
Babitha, Sumathy [1 ]
Carvahlo, Julio C. [2 ]
Soccol, Carlos R. [2 ]
Pandey, Ashok [1 ]
机构
[1] CSIR, Natl Inst Interdisciplinary Sci & Technol, Div Biotechnol, Trivandrum 695019, Kerala, India
[2] Univ Fed Parana, Proc Biotechnol Lab, BR-81530970 Curitiba, PR, Brazil
关键词
solid-state fermentation; Monascus purpureus; red pigment; direct illumination; photoreceptors;
D O I
10.1007/s11274-008-9794-3
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The capacity to sense and respond to light is widespread in animals, plants, fungi and bacteria. The effect of light quality on growth and pigment yield of Monascus purpureus was investigated. Incubation in total darkness increased red pigment production from 14. 5 OD/g dry substrate to 22 OD/g dry substrate. In contrast, growth of the fungus in direct illumination resulted in total suppression of pigment production. It was found that both red and blue light influenced pigment yield as well as culture morphology. The authors propose the existence of a light-perception system in Monascus purpureus.
引用
收藏
页码:2671 / 2675
页数:5
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