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полныйинформационныйкраткий
Поисковый запрос: (<.>K=Valerates<.>)
Общее количество найденных документов : 1
1.


   
    The synthesis of hydroxybutyrate and hydroxyvalerate copolymers by the bacterium Ralstonia eutropha / T. G. Volova, G. S. Kalacheva // Mikrobiologiya. - 2005. - Vol. 74, Is. 1. - С. 63-69 . - ISSN 0026-3656
Кл.слова (ненормированные):
?-ketothiolase -- Controlled synthesis -- Poly(hydroxybutyrate-co-hydroxyvalerate) -- Ralstonia eutropha -- Bacteria (microorganisms) -- Cupriavidus necator -- acetoacetyl coenzyme a -- acetyl coenzyme A acyltransferase -- acyl coenzyme A -- acyltransferase -- butyric acid derivative -- carbon dioxide -- fructose -- hydrogen -- poly(3 hydroxybutyrate) co (3 hydroxyvalerate) -- poly(3-hydroxyalkanoic acid) synthase -- poly(3-hydroxybutyrate)-co-(3-hydroxyvalerate) -- polyester -- polyhydroxyalkanoate synthase -- valeric acid derivative -- article -- chemistry -- crystallization -- culture medium -- metabolism -- Wautersia eutropha -- Acetyl-CoA C-Acyltransferase -- Acyl Coenzyme A -- Acyltransferases -- Butyrates -- Carbon Dioxide -- Crystallization -- Culture Media -- Cupriavidus necator -- Fructose -- Hydrogen -- Polyesters -- Valerates
Аннотация: The paper deals with the study of the synthesis of 3-hydroxybutyrate (3HB) and 3-hydroxyvalerate (3HV) copolymers by the bacterium Ralstonia eutropha B-5786 grown under different carbon nutrition conditions (growth on carbon dioxide, fructose, and CO2-valerate and fructose-valerate mixtures). The parameters to be analyzed included the yield of biomass, the yield, synthesis rate, and composition of copolymers, the activity of the key enzymes of polyhydroxyalkanoate (PHA) synthesis (?-ketothiolase, acetoacetyl-CoA reductase, and PHA synthase), the maximum tolerable concentration of valerate to the bacterium, and the conditions that govern the incorporation of hydroxyvalerate to copolymers. This allowed the relationship between cultivation conditions and the proportion of monomers in the copolymers to be deduced. We were able to synthesize a range of 3HB/3HV copolymers and found that the thermal characteristics and the degree of crystallinity of these copolymers depend on the molar fraction of 3HV.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Volova, T.G.; Kalacheva, G.S.

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