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Effect of UV-B on photosynthesis, membrane lipids and MAAs in marine cyanobacterium, Phormidium corium (Agardh) Gomont.
Indian J Exp Biol ; 2006 Apr; 44(4): 330-5
Artículo en Inglés | IMSEAR | ID: sea-58237
ABSTRACT
UV-B radiation (0.8 +/- 0.1 mW cm(-2)) and UV-B radiation supplemented with low intensity PAR (approximately 80 micro mol m(-2) s(-1)) affected photosynthesis at the level of antenna system as well as PS II reaction centre (Fo and Fm declined) in Phormidium corium (Agardh) Gomont. UV-B radiation resulted in decline in sugar content, peroxidation of membrane lipids as well as quantitative and qualitative changes in phosphoglycolipids and neutral lipids. Fatty acid profile did not show any qualitative changes due to the treatment, however, UV-B supplemented with low PAR resulted in slightly higher level of unsaturation. P. corium synthesized MAAs in response to UV-B. Quantity of MAAs increased when UV-B treatment was supplemented with low level PAR.
Asunto(s)
Texto completo: Disponible Índice: IMSEAR (Asia Sudoriental) Asunto principal: Fotosíntesis / Rayos Ultravioleta / Océanos y Mares / Cromatografía Líquida de Alta Presión / Cromatografía en Capa Delgada / Cianobacterias / Aminoácidos / Lípidos de la Membrana Tipo de estudio: Investigación cualitativa Idioma: Inglés Revista: Indian J Exp Biol Año: 2006 Tipo del documento: Artículo

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Texto completo: Disponible Índice: IMSEAR (Asia Sudoriental) Asunto principal: Fotosíntesis / Rayos Ultravioleta / Océanos y Mares / Cromatografía Líquida de Alta Presión / Cromatografía en Capa Delgada / Cianobacterias / Aminoácidos / Lípidos de la Membrana Tipo de estudio: Investigación cualitativa Idioma: Inglés Revista: Indian J Exp Biol Año: 2006 Tipo del documento: Artículo