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1.


   
    A temperature dependence of the intra- and extracellular fatty-acid composition of green algae and cyanobacterium [Text] / N. N. Sushchik [et al.] // Russ. J. Plant Physiol. - 2003. - Vol. 50, Is. 3. - P. 374-380, DOI 10.1023/A:1023830405898. - Cited References: 31 . - ISSN 1021-4437
РУБ Plant Sciences
Рубрики:
SURFACE-FILM
   LIPIDS

   WATER

   BLOOM

   SEA

   BAY

Кл.слова (ненормированные):
green algae -- cyanobacterium -- lipids -- fatty acids -- secretion
Аннотация: The effect of ambient temperature on the composition of intracellular fatty acids and the release of free fatty acids (FFA) into a medium by cyanobacterium Spirulina platensis and eukaryotic microalgae, Chlorella vulgaris and Botryococcus braunii, was studied using their batch cultures. It was found that all the species studied, regardless of their taxonomic status, responded to the temperature regime by similar changes in their intracellular fatty acid composition: the relative content of more unsaturated fatty acids decreased with the elevation of temperature. At the same time, in the prokaryote, this temperature shift blocked, first of all, the elongation of 16:0 to 18:0 and then their further desaturation. In eukaryotes, the change in the desaturation of dienoic to trienoic fatty acids was the most pronounced process. The ratio of dienoic to trienoic fatty acids remained almost unchanged in S. platensis. The relative content of extracellular unsaturated FFA increased in the prokaryotic organism S. platensis at a higher temperature. But no significant changes in the composition of extracellular unsaturated FFA were detected in eukaryotic algae upon temperature elevation.

WOS
Держатели документа:
Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Kalacheva, G.S.; Zhila, N.O.; Gladyshev, M.I.; Volova, T.G.

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2.


   
    Secretion of free fatty acids by prokaryotic and eukaryotic algae at optimal, supraoptimal, and suboptimal growth temperatures [Text] / N. N. Sushchik, G. S. Kalacheva, M. I. Gladyshev // Microbiology. - 2001. - Vol. 70, Is. 5. - P. 542-547, DOI 10.1023/A:1012351920589. - Cited References: 19 . - ISSN 0026-2617
РУБ Microbiology
Рубрики:
SURFACE-FILM
   WATER

Кл.слова (ненормированные):
free fatty acids -- secretion -- microalgae
Аннотация: The paper describes the composition of extracellular free fatty acids (FFAs) and intracellular fatty acids (FAs) in the enrichment cultures of the prokaryotic alga Spirulina platensis and the eukaryotic alga Chlorella vulgaris grown at optimal, supraoptimal, and suboptimal growth temperatures. With increasing growth temperature, the degree of unsaturation of the intracellular FAs of both algae decreased, while that of the extracellular FFAs of S. platensis increased. The composition of the extracellular FFAs of C vulgaris practically did not depend on the growth temperature.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Kalacheva, G.S.; Gladyshev, M.I.

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