Рубрики:
POLY-BETA-HYDROXYBUTYRATE
CHAIN-LENGTH POLYHYDROXYALKANOATES
DEGRADATION
FILMS
POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE)
BACTERIA
ACID
POLY-BETA-HYDROXYBUTYRATE
CHAIN-LENGTH POLYHYDROXYALKANOATES
DEGRADATION
FILMS
POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE)
BACTERIA
ACID
Аннотация: Biodegradation of microbial linear polymers of hydroxyalkanoic acids (polyhydroxyalkanoates, PHAs) by soil microbial communities of different structures has been studied during two field seasons in different weather conditions. This process was shown to be influenced by the polymer chemical composition, temperature, humidity, and the microbial soil component. The PHA degradation was accompanied by a decrease in the polymer molecular weight and an increase in the degree of crystallinity, indicating the preferential destruction of the amorphous phase compared to the crystalline one. The quantity of the true PHA destructors developing at the surface of the polymer samples was lower than the quantity of accompanying bacteria. The dominant PHA degrading microorganisms under the test conditions were identified as bacteria of the genera Variovorax, Stenotrophomonas, Acinetobacter, Pseudomonas, Bacillus, and Xanthomonas and as micromycetes from Penicillium, Paecilomyces, Acremonium, Verticillium, and Zygosporium.
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Держатели документа:
[Boyandin, A. N.
Volova, T. G.] Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
[Prudnikova, S. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Filipenko, M. L.
Khrapov, E. A.] Russian Acad Sci, Siberian Branch, Inst Chem Biol & Fundamental Med, Novosibirsk 630090, Russia
[Vasil'ev, A. D.] Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Boyandin, A. N.; Бояндин, Анатолий Николаевич; Prudnikova, S. V.; Filipenko, M. L.; Khrapov, E. A.; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Volova, T. G.; Волова, Татьяна Григорьевна