Download or read book Replication Regulation of Plasmid NR1 in Escherichia Coli written by Jenny Marie Buzan and published by . This book was released on 1984 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Regulation of Incompatibility and Copy Number of the R Plasmid NR1 written by Verne A. Luckow and published by . This book was released on 1984 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Round of Replication Mutants of the R Plasmid NR1 written by Dean Perron Taylor and published by . This book was released on 1976 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Growth Rate Regulation and Control of Initiation of DNA Replication in Escherichia Coli written by Anne Eliane Chiaramello and published by . This book was released on 1990 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The initiation of DNA synthesis at the chromosomal replication origin, oriC, in Escherichia coli involves an RNA polymerase-mediated step. The level of synthesis of transcripts moving counterclockwise toward oriC is controlled at two promoters, P1 (asnC) and P2 (mioC), and at two transcription terminator regions, T1 and T2. As shown by S1 mapping, termination at the T2 region occurs to the right of oriC at nucleotides 297-299 and 306-310, while major termination events in the T1 region occur in and near the mioC promoter. The majority of transcripts entering oriC originates from the mioC promoter. Transcription from the mioC promoter has been shown to enhance the frequency of initiation of DNA replication of oriC containing plasmids, and to stabilize these plasmids in the host cells. The mioC promoter, which is stringently controlled, is also growth rate regulated. The amount of mioC transcripts relative to the amount of total RNA was inversely correlated with growth rate. This transcript is characterized by a short half-life (1.5 min). The mioC promoter, which contains a DnaA protein binding site, was much less susceptible to repression by DnaA protein when located in the chromosome, than when located in a plasmid. Only a very high concentration of DnaA protein repressed the mioC promoter. The DnaA protein, which is required for initiation of DNA replication from oriC, is growth rate regulated. As shown by RNase protection, this regulation is exerted at the transcriptional level, affecting both promoters, dnaAp1 and dnaAp2. Transcription from these two promoters is also stringently controlled. The amount of DnaA protein in spoT mutants, which are deficient in ppGpp pyrophosphorylase activity, decreases as the severity in the mutation increases. Thus, the intracellular concentration of ppGpp influences the expression of the dnaA gene. In conclusion, the growth rate regulation and stringent control of the dnaA gene suggest that one way in which DNA replication is coordinated with the growth rate is via ppGpp synthesis at the ribosome.
Download or read book Maintenance of the Plasmids NR1 and ColE1 in Escherichia Coli written by Jay Paul Kasner and published by . This book was released on 1986 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Replication of Plasmid Deoxyribonucleic Acid in Escherichia Coli and Proteus Mirabilis written by David Dale Womble and published by . This book was released on 1976 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Regulation of Col El Plasmid DNA Replication in Escherichia Coli written by David R. Moser and published by . This book was released on 1984 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book DYNAMICS AND CONTROL OF BACTERIAL PLASMID REPLICATION ESCHERICHIA COLI written by JAY D. KEASLING and published by . This book was released on 1991 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: origin contributes in some way to the cell-cycle-specific replication behavior of the F plasmid.
Download or read book The Role of Escherichia Coli Integration Host Factor in Replication of Plasmid R6K written by Stephanie Dellis and published by . This book was released on 1994 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Expression and Function of Plasmid NR1 Replication Initiation Protein RepA1 written by Xinnian Dong and published by . This book was released on 1988 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Incompatibility and Control of Replication of the R Plasmid NR1 written by Alan M. Easton and published by . This book was released on 1981 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Regulation of Several Genes Involved in DNA Replication in Escherichia Coli written by Thomas David Daws and published by . This book was released on 1988 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book mechanistic studies of DNA replication and genetic recombination written by Bruce Alberts and published by Elsevier. This book was released on 2012-12-02 with total page 1034 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanistic Studies of DNA Replication and Genetic Recombination emerged from a symposium on DNA replication and genetic recombination held from March 16-21, 1980 in Keystone, Colorado. The event featured 30 plenary session talks, 13 workshop discussion groups, and the 210 poster sessions. The studies described in this book are paving the way for the elucidation of other basic genetic mechanisms, including ""new"" areas in molecular genetics such as those of eukaryotic gene expression and the transposition of mobile genetic elements. This book is divided into 10 parts: summaries of workshop discussion groups (Part I); studies on eukaryotic model systems for DNA replication (Part II); studies on bacterial replication origins (Part III); studies on replication origins of bacterial phages and plasmids (Part IV); studies on eukaryotic replication origins (Part V); studies on prokaryotic replication enzymology (Part VI); studies on eukaryotic replication enzymology (Part VII); studies on the fidelity of DNA replication (Part VIII); studies on DNA topoisomerases (Part IX); and studies of genetic recombination mechanisms (Part X).
Download or read book The Biology of Plasmids written by David Summers and published by John Wiley & Sons. This book was released on 2009-07-17 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasmids are closed, circular pieces of DNA that are able to self-replicate and are carried by many bacteria. They provide unique functions for bacteria by allowing them to sexually replicate and to pass on genetic material between each other. Plasmids are also responsible for the genetic factors that give resistance to antibiotics, and provide the enzymes needed to break down poorly metabolised food resources. The author has provided an updated treatment of the structure, function and application of plasmids suitable for undergraduates and medical students. Employing an original teaching perspective--examining plasmids as living organisms with either a symbiotic or parasitic mode of survival--this text provides an important framework for understanding the structure and function of plasmids in an evolutionary context. The most up to date text on plasmids An innovative teaching perspective makes for easy student understanding Contains crucial chapters on the importance of plasmids for clinical and biological research
Download or read book Modern Microbial Genetics written by Uldis N. Streips and published by John Wiley & Sons. This book was released on 2004-03-24 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: In accordance with its predecessor, the completely revised and expanded Second Edition of Modern Microbial Genetics focuses on how bacteria and bacteriophage arrange and rearrange their genetic material through mutation, evolution, and genetic exchange to take optimal advantage of their environment. The text is divided into three sections: DNA Metabolism, Genetic Response, and Genetic Exchange. The first addresses how DNA replicates, repairs itself, and recombines, as well as how it may be manipulated. The second section is devoted to how microorganisms interact with their environment, including chapters on sporulation and stress shock, and the final section contains the latest information on classic exchange mechanisms such as transformation and conjugation. Chapters include: * Gene Expression and Its Regulation * Single-Stranded DNA Phages * Genetic Tools for Dissecting Motility and Development of Myxococcus xanthus * Molecular Mechanism of Quorum Sensing * Transduction in Gram-Negative Bacteria * Genetic Approaches in Bacteria with No Natural Genetic Systems The editors also cultivate an attention to global regulatory systems throughout the book, elucidating how certain genes and operons in bacteria, defined as regulons, network and cooperate to suit the needs of the bacterial cell. With clear appreciation for the impact of molecular genomics, this completely revised and updated edition proves that Modern Microbial Genetics remains the benchmark text in its field.
Download or read book Molecular Biology Pathogenicity and Ecology of Bacterial Plasmids written by Stuart B. Levy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book resulted from presentations at an international conference on bacterial p1asmids held January 5-9, 1981 in Santo Domingo, Dominican Republic. This was the first meeting of its kind in the Southern Hemisphere. The meeting place was selected for its relaxed and comfortable climate, conducive to interactions among participants. More importantly the locale facilitated the participation of nearby Latin American clinical and research scientists who deal directly with the health manifestations of pathogenic p1asmids. Diseases and socio-economic practices of developing countries exist in the Dominican Republic whose scientific community could directly benefit from having the meeting there. The book includes the talks as well as extended abstracts of poster presentations from the meeting. This combination, which provides readers with reviews as well as recent findings, captures the full scientific exchange which took place during the 5-day meeting. As one indication of pathogenicity related to p1asmids, the conferees were surveyed for gastro-intestina1 problems during and after their stay in the Dominican Republic. The results are summarized at the end of this book.
Download or read book Bacterial Growth and Division written by Stephen Cooper and published by Elsevier. This book was released on 2012-12-02 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: How does a bacterial cell grow during the division cycle? This question is answered by the codeveloper of the Cooper-Helmstetter model of DNA replication. In a unique analysis of the bacterial division cycle, Cooper considers the major cell categories (cytoplasm, DNA, and cell surface) and presents a lucid description of bacterial growth during the division cycle. The concepts of bacterial physiology from Ole Maaløe's Copenhagen school are presented throughout the book and are applied to such topics as the origin of variability, the pattern of DNA segregation, and the principles underlying growth transitions. The results of research on E. coli are used to explain the division cycles of Caulobacter, Bacilli, Streptococci, and eukaryotes. Insightful reanalysis highlights significant similarities between these cells and E.coli. With over 25 years of experience in the study of the bacterial division cycle, Cooper has synthesized his ideas and research into an exciting presentation. He manages to write a comprehensive volume that will be of great interest to microbiologists, cell physiologists, cell and molecular biologists, researchers in cell-cycle studies, and mathematicians and engineering scientists interested in modeling cell growth. Written by one of the codiscoverers of the Cooper-Helmstetter model Applies the results of research on E. coli to other groups, including Caulobacter, Bacilli, Streptococci, and eukaryotes; the Caulobacter reanalysis highlights significant similarities with the E. coli system Presents a unified description of the bacterial division cycle with relevance to eukaryotic systems Addresses the concepts of the Copenhagen School in a new and original way
