ICE NUCLEATION BY BACTERIA - PRODUCTION AND ACTIVITY

被引：5

作者：

COCHET, N

BLANC, C

LUQUET, MP

BOUABDILLAH, D

CLAUSSE, D

机构：

[1] Département Génie Chimique, Université de Technologie de Compiègne, 60206 Compiègne Cédex

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 1994年 / 83卷 / 03期

关键词：

FERMENTATION; ICE NUCLEATION; MEDIUM; PSEUDOMONAS;

D O I：

10.1016/0927-7757(93)02648-X

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The ability of Pseudomonas syringae to catalyse ice formation at relatively high temperatures from - 2 to - 5-degrees-C has received considerable attention. A fermentation method was used in order to obtain a high nucleation activity expressed in ice nuclei per cell. This was based on the optimization of the medium composition and control of the fermentation parameters. Meat peptone medium appeared to provide the best conditions for biomass production and ice nucleation activity. Moreover, we observed a positive influence on the nucleation activity due to Mn2+ ion addition. The pH control of the culture seemed to influence negatively the bacterial nucleation activity.

引用

页码：187 / 191

页数：5

共 12 条

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