COMPETITION BETWEEN STRAINS OF ESCHERICHIA-COLI WITH AND WITHOUT PLASMID RP4 DURING CHEMOSTAT GROWTH

被引：7

作者：

NUMAN, Z ^{[1
]}

VENABLES, WA ^{[1
]}

WIMPENNY, JWT ^{[1
]}

机构：

[1] UNIV WALES COLL CARDIFF,COLL CARDIFF,SCH PURE & APPL BIOL,POB 915,CARDIFF CF1 3TL,WALES

来源：

CANADIAN JOURNAL OF MICROBIOLOGY | 1991年 / 37卷 / 07期

关键词：

COMPETITION; CHEMOSTAT; PLASMID; ESCHERICHIA-COLI;

D O I：

10.1139/m91-086

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Escherichia coli strains J53(nal) and J53(RP4) were grown together in glucose-limited continuous cultures. Based on the measured growth kinetic constants of the two strains, take-over of the cultures by J53(RP4) was predicted. However, in practice, an initial period of predominance by J53(RP4) was always followed by a prolonged period in which relative numerical proportions of the two strains oscillated widely. This period of oscillation was removed or greatly reduced when the difference between the predicted growth-rate potentials of the two strains was increased by selection of a chemostat-adapted variant of J53(RP4).

引用

页码：509 / 512

页数：4

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