DNA binding proteins of the filamentous phages CTXphi and VGJphi of Vibrio cholerae. 2009

Alina Falero, and Andy Caballero, and Beatriz Ferrán, and Yovanny Izquierdo, and Rafael Fando, and Javier Campos
Department of Molecular Biology, National Center for Scientific Research, P.O. Box 6414, Ave. 25 y 158, Cubanacán, Playa, Ciudad de la Habana, Cuba. alina.falero@cnic.edu.cu

The native product of open reading frame 112 (orf112) and a recombinant variant of the RstB protein, encoded by Vibrio cholerae pathogen-specific bacteriophages VGJphi and CTXphi, respectively, were purified to more than 90% homogeneity. Orf112 protein was shown to specifically bind single-stranded genomic DNA of VGJphi; however, RstB protein unexpectedly bound double-stranded DNA in addition to the single-stranded genomic DNA. The DNA binding properties of these proteins may explain their requirement for the rolling circle replication of the respective phages and RstB's requirement for single-stranded-DNA chromosomal integration of CTXphi phage dependent on XerCD recombinases.

UI MeSH Term Description Entries
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D004268 DNA-Binding Proteins Proteins which bind to DNA. The family includes proteins which bind to both double- and single-stranded DNA and also includes specific DNA binding proteins in serum which can be used as markers for malignant diseases. DNA Helix Destabilizing Proteins,DNA-Binding Protein,Single-Stranded DNA Binding Proteins,DNA Binding Protein,DNA Single-Stranded Binding Protein,SS DNA BP,Single-Stranded DNA-Binding Protein,Binding Protein, DNA,DNA Binding Proteins,DNA Single Stranded Binding Protein,DNA-Binding Protein, Single-Stranded,Protein, DNA-Binding,Single Stranded DNA Binding Protein,Single Stranded DNA Binding Proteins
D004277 DNA, Single-Stranded A single chain of deoxyribonucleotides that occurs in some bacteria and viruses. It usually exists as a covalently closed circle. Single-Stranded DNA,DNA, Single Stranded,Single Stranded DNA
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D001287 Attachment Sites, Microbiological Specific loci on both the bacterial DNA (attB) and the phage DNA (attP) which delineate the sites where recombination takes place between them, as the phage DNA becomes integrated (inserted) into the BACTERIAL DNA during LYSOGENY. Attachment Sites (Microbiology),Bacterial Attachment Sites,Phage Attachment Sites,Att Attachment Sites,AttB Attachment Sites,AttP Attachment Sites,Attachment Site (Microbiology),Attachment Site, Bacterial,Attachment Sites, Bacterial,Bacterial Attachment Site,Microbiologic Attachment Site,Microbiologic Attachment Sites,Att Attachment Site,AttB Attachment Site,AttP Attachment Site,Attachment Site, Att,Attachment Site, AttB,Attachment Site, AttP,Attachment Site, Microbiologic,Attachment Site, Microbiological,Attachment Site, Phage,Attachment Sites, Att,Attachment Sites, AttB,Attachment Sites, AttP,Attachment Sites, Microbiologic,Attachment Sites, Phage,Microbiological Attachment Site,Microbiological Attachment Sites,Phage Attachment Site
D001435 Bacteriophages Viruses whose hosts are bacterial cells. Phages,Bacteriophage,Phage
D014734 Vibrio cholerae The etiologic agent of CHOLERA. Bacillus cholerae,Bacillus cholerae-asiaticae,Liquidivibrio cholerae,Microspira comma,Pacinia cholerae-asiaticae,Spirillum cholerae,Spirillum cholerae-asiaticae,Vibrio albensis,Vibrio cholera,Vibrio cholerae-asiaticae,Vibrio comma
D014764 Viral Proteins Proteins found in any species of virus. Gene Products, Viral,Viral Gene Products,Viral Gene Proteins,Viral Protein,Protein, Viral,Proteins, Viral
D015967 Gene Expression Regulation, Viral Any of the processes by which cytoplasmic factors influence the differential control of gene action in viruses. Regulation of Gene Expression, Viral,Viral Gene Expression Regulation,Regulation, Gene Expression, Viral

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