HIGH INFORMATION-CONSERVATION IMPLIES THAT AT LEAST 3 PROTEINS BIND INDEPENDENTLY TO F-PLASMID INCD REPEATS

被引:13
作者
HERMAN, ND
SCHNEIDER, TD
机构
[1] NCI, FREDERICK CANC RES & DEV CTR, MATH BIOL LAB, POB B, BETHESDA, MD 20892 USA
[2] FREDERICK HIGH SCH, FREDERICK, MD 21701 USA
关键词
D O I
10.1128/JB.174.11.3558-3560.1992
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The 12 incD repeats in the F plasmid each contain about 60 bits of information, which is three times the amount of conservation that a single protein would need to distinguish the repeats from the rest of the Escherichia coli genome. This is the first reported discovery of a case of threefold excess information, and it implies that at least three proteins bind independently to the repeats. In support of this observation, other workers have shown that three polypeptides bind to this region, but only one, SopB, is known to bind independently of other factors. Identification of the other two proteins should help us to understand the mechanism of plasmid partitioning during cell division.
引用
收藏
页码:3558 / 3560
页数:3
相关论文
共 30 条
[1]   PARTITION-MEDIATED INCOMPATIBILITY OF BACTERIAL PLASMIDS [J].
AUSTIN, S ;
NORDSTROM, K .
CELL, 1990, 60 (03) :351-354
[2]   PLASMID PARTITION [J].
AUSTIN, SJ .
PLASMID, 1988, 20 (01) :1-9
[3]   POSSIBLE INVOLVEMENT OF THE UGPA GENE-PRODUCT IN THE STABLE MAINTENANCE OF MINI-F PLASMID IN ESCHERICHIA-COLI [J].
EZAKI, B ;
MORI, H ;
OGURA, T ;
HIRAGA, S .
MOLECULAR & GENERAL GENETICS, 1990, 223 (03) :361-368
[4]   MINI-F PROTEIN THAT BINDS TO A UNIQUE REGION FOR PARTITION OF MINI-F PLASMID DNA [J].
HAYAKAWA, Y ;
MUROTSU, T ;
MATSUBARA, K .
JOURNAL OF BACTERIOLOGY, 1985, 163 (01) :349-354
[5]   12 43-BASE-PAIR REPEATS MAP IN A CIS-ACTING REGION ESSENTIAL FOR PARTITION OF PLASMID MINI-F [J].
HELSBERG, M ;
EICHENLAUB, R .
JOURNAL OF BACTERIOLOGY, 1986, 165 (03) :1043-1045
[6]   NEW TOPOISOMERASE ESSENTIAL FOR CHROMOSOME SEGREGATION IN ESCHERICHIA-COLI [J].
KATO, J ;
NISHIMURA, Y ;
IMAMURA, R ;
NIKI, H ;
HIRAGA, S ;
SUZUKI, H .
CELL, 1990, 63 (02) :393-404
[7]   GENE ORGANIZATION IN THE REGION CONTAINING A NEW GENE INVOLVED IN CHROMOSOME PARTITION IN ESCHERICHIA-COLI [J].
KATO, JI ;
NISHIMURA, Y ;
YAMADA, M ;
SUZUKI, H ;
HIROTA, Y .
JOURNAL OF BACTERIOLOGY, 1988, 170 (09) :3967-3977
[8]   THE PHYSICAL MAP OF THE WHOLE ESCHERICHIA-COLI CHROMOSOME - APPLICATION OF A NEW STRATEGY FOR RAPID ANALYSIS AND SORTING OF A LARGE GENOMIC LIBRARY [J].
KOHARA, Y ;
AKIYAMA, K ;
ISONO, K .
CELL, 1987, 50 (03) :495-508
[9]   PARTITIONING OF THE F-PLASMID - OVERPRODUCTION OF AN ESSENTIAL PROTEIN FOR PARTITION INHIBITS PLASMID MAINTENANCE [J].
KUSUKAWA, N ;
MORI, H ;
KONDO, A ;
HIRAGA, S .
MOLECULAR & GENERAL GENETICS, 1987, 208 (03) :365-372
[10]   ANALYSIS OF THE F PLASMID CENTROMERE [J].
LANE, D ;
ROTHENBUEHLER, R ;
MERRILLAT, AM ;
AIKEN, C .
MOLECULAR AND GENERAL GENETICS, 1987, 207 (2-3) :406-412