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Зависимость карбоксилэстеразной активности почвенных грамотрицательных микроорганизмов от стадии роста и состава среды

Зависимость карбоксилэстеразной активности почвенных грамотрицательных микроорганизмов от стадии роста и состава среды

Abstract

Dependence of growth and carboxyl esterase activity in soil Gram-negative bacteria of genus Pseudomonas on concentration of carbon, nitrogen, and phosphorus sources was analyzed. It was determined that carboxyl esterase activity in cultures under study possessed high level of constitutive expression. Under high glucose concentrations (over 1%) growth suppression and lowering of the esterase activity was observed. It was found that carboxyl esterase activity in P. fluorescens cultures approached 10 mmol/mg/min under the optimal conditions.

Изучена зависимость роста и карбоксилэстеразной активности почвенных грамотрицательных бактерий рода Pseudomonas от концентрации источника углерода, азота и фосфора. Установлено, что карбоксилэстеразная активность исследуемых культур имеет высокий уровень конститутивного выражения. При высоких концентрациях глюкозы (более 1%) наблюдается угнетение роста и понижение эстеразной активности. Карбоксилэстеразная активность культур P. fluorescens в оптимальных условиях достигала 10 мкмоль/мг/мин.

Keywords

БИОТРАНСФОРМАЦИЯ, КАРБОКСИЛЭСТЕРАЗА, СЛОЖНЫЕ ЭФИРЫ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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