Lipid content and fatty acid composition in N2-fixing cyanobacterium Anabaena doliolum as affected by molybdenum deficiency

Anabaena doliolum grown under molybdenum deficiency produced less biomass (on a dry wt basis) and the cells had lower protein content but higher carbohydrate content than Mo-grown material. Molybdenum deficiency led to a slight decrease in chlorophyll a, a 1.5-fold increase in carotenoids and a 1.4-...

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Bibliographic Details
Published in:World journal of microbiology & biotechnology 1993-09, Vol.9 (5), p.508-510
Main Authors: Rathore, D.S, Kumar, A, Kumar, H.D
Format: Article
Language:English
Subjects:
Action of physical and chemical agents on bacteria
Anabaena doliolum
Bacteriology
Biological and medical sciences
biomass production
carbohydrates
carotenoids
chemical composition
chlorophyll
Fundamental and applied biological sciences. Psychology
lipids
Microbiology
molybdenum
nutrient deficiencies
protein content
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Summary:Anabaena doliolum grown under molybdenum deficiency produced less biomass (on a dry wt basis) and the cells had lower protein content but higher carbohydrate content than Mo-grown material. Molybdenum deficiency led to a slight decrease in chlorophyll a, a 1.5-fold increase in carotenoids and a 1.4-fold increase in total lipid but there was no difference in the lipid profiles of Mo-enriched and Mo-deficient cells. Molybdenum deficiency caused increases in the cell contents of digalactosyl diacylglycerol and phosphatidylglycerol and decreases in monogalactosyl diacylglycerol and sulphoquinovosyl diacylglycerol lipids. The concentration of unsaturated C18 fatty acids was lower in the Mo-deficient cells.
ISSN:0959-3993
1573-0972
DOI:10.1007/BF00386284