Published in Virology on May 15, 1978
Lysogeny at mid-twentieth century: P1, P2, and other experimental systems. J Bacteriol (2004) 4.11
Head morphogenesis of complex double-stranded deoxyribonucleic acid bacteriophages. Microbiol Rev (1978) 2.82
Mechanisms of genome propagation and helper exploitation by satellite phage P4. Microbiol Rev (1993) 2.48
Knotted DNA from bacteriophage capsids. Proc Natl Acad Sci U S A (1981) 1.59
Genetic studies of coliphage 186. I. Genes associated with phage morphogenesis. J Virol (1982) 1.09
Nucleotide sequence of the DNA packaging and capsid synthesis genes of bacteriophage P2. Nucleic Acids Res (1991) 0.99
Pirates of the Caudovirales. Virology (2012) 0.98
Incorporation of scaffolding protein gpO in bacteriophages P2 and P4. Virology (2007) 0.94
Bacteriophage P2. Bacteriophage (2016) 0.75
PhageTerm: a tool for fast and accurate determination of phage termini and packaging mechanism using next-generation sequencing data. Sci Rep (2017) 0.75
A viral suppressor of gene silencing in plants. Proc Natl Acad Sci U S A (1998) 4.65
Escherichia coli DNA topoisomerase I mutants: increased supercoiling is corrected by mutations near gyrase genes. Cell (1982) 4.62
Bacteriophage lambda; abortive infection of bacteria lysogenic for phage P2. Proc Natl Acad Sci U S A (1970) 3.08
Characterization of REP- mutants and their interaction with P2 phage. Virology (1970) 2.77
Mechanisms of genome propagation and helper exploitation by satellite phage P4. Microbiol Rev (1993) 2.48
Topoisomerase I mutants: the gene on pBR322 that encodes resistance to tetracycline affects plasmid DNA supercoiling. Proc Natl Acad Sci U S A (1986) 2.45
DNA sequences of the tail fiber genes of bacteriophage P2: evidence for horizontal transfer of tail fiber genes among unrelated bacteriophages. J Bacteriol (1992) 2.45
DNA topoisomerase I mutants. Increased heterogeneity in linking number and other replicon-dependent changes in DNA supercoiling. J Mol Biol (1985) 2.40
Novel topologically knotted DNA from bacteriophage P4 capsids: studies with DNA topoisomerases. Nucleic Acids Res (1981) 2.39
Mode of DNA packing within bacteriophage heads. J Mol Biol (1973) 2.29
RNA-based silencing strategies in plants. Curr Opin Genet Dev (2001) 2.10
Complete nucleotide sequence, molecular analysis and genome structure of bacteriophage A118 of Listeria monocytogenes: implications for phage evolution. Mol Microbiol (2000) 2.10
A common sequence motif, -E-G-Y-A-T-A-, identified within the primase domains of plasmid-encoded I- and P-type DNA primases and the alpha protein of the Escherichia coli satellite phage P4. J Biol Chem (1992) 2.05
Attachment of prophage P2: gene order at different host chromosomal sites. Virology (1969) 1.99
P2 phage amber mutants: characterization by use of a polarity suppressor. Virology (1971) 1.97
Complete nucleotide sequence of the cohesive ends of bacteriophage P2 deoxyribonucleic acid. J Biol Chem (1974) 1.94
Purification and physical characterization of tyrosyl ribonucleic acid synthetases from Escherichia coli and Bacillus subtilis. Biochemistry (1966) 1.83
The catalytic properties of tyrosyl ribonucleic acid synthetases from Escherichia coli and Bacillus subtilis. Biochemistry (1966) 1.67
Gene insertion and replacement in Schizosaccharomyces pombe mediated by the Streptomyces bacteriophage phiC31 site-specific recombination system. Mol Genet Genomics (2001) 1.64
DNA sequence of satellite bacteriophage P4. Nucleic Acids Res (1990) 1.63
The regulation of phage development. Annu Rev Microbiol (1970) 1.59
Knotted DNA from bacteriophage capsids. Proc Natl Acad Sci U S A (1981) 1.59
D-Tyrosyl RNA: formation, hydrolysis and utilization for protein synthesis. J Mol Biol (1967) 1.56
A gene from Escherichia coli affecting the sigma subunit of RNA polymerase. Proc Natl Acad Sci U S A (1977) 1.55
Temperature-sensitive Escherichia coli mutant producing a temperature-sensitive sigma subunit of DNA-dependent RNA polymerase. Proc Natl Acad Sci U S A (1978) 1.53
Interactions between a satellite bacteriophage and its helper. J Mol Biol (1976) 1.50
Genetic analysis of bacteriophage P4 using P4-plasmid ColE1 hybrids. Mol Gen Genet (1980) 1.48
Satellite bacteriophage P4: characterization of mutants in two essential genes. Virology (1973) 1.46
Identification of a mutation within the structural gene for the a subunit of DNA-dependent RNA polymerase of E. coli. Mol Gen Genet (1976) 1.45
Effects of DNA gyrase inhibitors in Escherichia coli topoisomerase I mutants. J Bacteriol (1986) 1.43
Lysogenization by satellite phage P4. Virology (1981) 1.43
DNA supercoiling in gyrase mutants. J Bacteriol (1984) 1.40
Bacteriophage P2 late promoters. II. Comparison of the four late promoter sequences. J Mol Biol (1985) 1.37
Inhibition of RNA synthesis by oxolinic acid is unrelated to average DNA supercoiling. J Bacteriol (1983) 1.36
Interactions between satellite bacteriophage P4 and its helpers. Annu Rev Genet (1990) 1.35
On the sequence similarity of the cohesive ends of coliphage P4, P2, and 186 deoxyribonucleic acid. Biochemistry (1973) 1.32
Bacteriophage P2 head morphogenesis: cleavage of the major capsid protein. Virology (1973) 1.32
A mutation of the transactivation gene of satellite bacteriophage P4 that suppresses the rpoA109 mutation of Escherichia coli. J Bacteriol (1990) 1.32
Bacteriophage P2: interaction with phage lambda and with recombination-deficient bacteria. Virology (1971) 1.31
Mutations in the rpoH (htpR) gene of Escherichia coli K-12 phenotypically suppress a temperature-sensitive mutant defective in the sigma 70 subunit of RNA polymerase. J Bacteriol (1985) 1.31
Molecular cloning and characterization of bacteriophage P2 genes R and S involved in tail completion. Virology (1994) 1.30
Escherichia coli deoxyribonucleic acid synthesis mutants: their effect upon bacteriophage P2 and satellite bacteriophage P4 deoxyribonucleic acid synthesis. J Bacteriol (1975) 1.25
In vitro packaging of satellite phage P4 DNA. Proc Natl Acad Sci U S A (1974) 1.25
A sigma32 mutant with a single amino acid change in the highly conserved region 2.2 exhibits reduced core RNA polymerase affinity. Proc Natl Acad Sci U S A (1997) 1.23
Regulation of bacteriophage P2 late-gene expression: the ogr gene. Proc Natl Acad Sci U S A (1986) 1.22
A transcribing activity induced by satellite phage P4. Proc Natl Acad Sci U S A (1972) 1.22
Bacteriophage P2 late promoters. Transcription initiation sites for two late mRNAs. J Mol Biol (1983) 1.20
Organization and expression of the satellite bacteriophage P4 late gene cluster. J Mol Biol (1986) 1.17
Mutants of satellite bacteriophage P4 that are defective in the suppression of transcriptional polarity. J Mol Biol (1981) 1.16
A transactivation mutant of satellite phage P4. Virology (1977) 1.15
Structure of the bacteriophage P2 tail. Virology (1974) 1.13
Domain structure of phage P4 alpha protein deduced by mutational analysis. J Bacteriol (1995) 1.13
Bacteriophage P4 DNA replication. Nucleotide sequence of the P4 replication gene and the cis replication region. J Mol Biol (1987) 1.13
DNA supercoiling and suppression of the leu-500 promoter mutation. J Bacteriol (1985) 1.13
Multiple regions on the Escherichia coli heat shock transcription factor sigma32 determine core RNA polymerase binding specificity. J Bacteriol (1998) 1.12
Purification and characterization of the bacteriophage P4 delta protein. J Bacteriol (1995) 1.10
Functions involved in bacteriophage P2-induced host cell lysis and identification of a new tail gene. J Bacteriol (1994) 1.08
Nucleotide sequence of the genes encoding the major tail sheath and tail tube proteins of bacteriophage P2. Virology (1991) 1.07
Mutational analysis of a bacteriophage P4 late promoter. J Bacteriol (1991) 1.05
Bacteriophage P2 and P4. Methods Enzymol (1991) 1.05
Bacteriophage P2 ogr and P4 delta genes act independently and are essential for P4 multiplication. J Bacteriol (1990) 1.04
In vivo transcription patterns of temperate coliphage P2. J Mol Biol (1973) 1.03
The P2 phage old gene: sequence, transcription and translational control. Gene (1989) 1.02
Bacteriophage P4 DNA replication. Location of the P4 origin. J Mol Biol (1985) 1.02
Escherichia coli rpoC397 encodes a temperature-sensitive C-terminal frameshift in the beta' subunit of RNA polymerase that blocks growth of bacteriophage P2. J Bacteriol (1996) 1.02
Nonessential region of bacteriophage P4: DNA sequence, transcription, gene products, and functions. J Virol (1990) 1.00
RNA viruses as inducers, suppressors and targets of post-transcriptional gene silencing. Plant Mol Biol (2000) 1.00
The polarity suppression factor of bacteriophage P4 is also a decoration protein of the P4 capsid. Virology (1992) 1.00
Nucleotide sequence of the DNA packaging and capsid synthesis genes of bacteriophage P2. Nucleic Acids Res (1991) 0.99
Gene for the RNA polymerase sigma subunit mapped in Salmonella typhimurium and Escherichia coli by cloning and deletion. Proc Natl Acad Sci U S A (1979) 0.98
Control of bacteriophage P2 protein and DNA synthesis. Virology (1974) 0.98
The replication of bacteriophage P4 DNA in vitro. Partial purification of the P4 alpha gene product. J Mol Biol (1985) 0.97
A new gene of bacteriophage P4 that controls DNA replication. J Bacteriol (1994) 0.96
The old exonuclease of bacteriophage P2. J Bacteriol (1995) 0.96
Maturation of bacteriophage P2 DNA in vitro: A complex, site-specific system for DNA cleavage. J Mol Biol (1979) 0.96
In vitro packaging of covalently closed circular monomers of bacteriophage DNA. J Mol Biol (1975) 0.95
Transcription map of satellite coliphage P4. Virology (1978) 0.95
Head size determination and the morphogenesis of satellite phage P4. Curr Top Microbiol Immunol (1974) 0.94
Evidence for an active role of the DnaK chaperone system in the degradation of sigma(32). FEBS Lett (2000) 0.93
In vivo and in vitro evidence for an anti-Rho activity induced by the phage P4 polarity suppressor protein Psu. Virology (1997) 0.93
Interaction of satellite phage P4 with phage 186 helper. Virology (1982) 0.92
Bacteriophage PSP3 and phiR73 activator proteins: analysis of promoter specificities. J Bacteriol (1996) 0.92
A novel mechanism of virus-virus interactions: bacteriophage P2 Tin protein inhibits phage T4 DNA synthesis by poisoning the T4 single-stranded DNA binding protein, gp32. Virology (1997) 0.92
Mutational analysis of a satellite phage activator. Gene (1998) 0.91
Characterization of the cos sites of bacteriophages P2 and P4. Gene (1990) 0.90
In vitro transcription from the late promoter of bacteriophage P4. J Bacteriol (1988) 0.87
Temperature-inducible mutants of P2 phage. Virology (1972) 0.86
An upstream sequence element required for NucC-dependent expression of the Serratia marcescens extracellular nuclease. J Bacteriol (1998) 0.85
Interaction of P2 bacteriophage with the dnaB gene of Escherichia coli. J Virol (1975) 0.83
Selection of lambda Spi- transducing phages using the P2 old gene cloned onto a plasmid. Gene (1986) 0.83
Phage head size determination and head protein cleavage in vitro. J Supramol Struct (1974) 0.83
Cnr protein, the negative regulator of bacteriophage P4 replication, stimulates specific DNA binding of its initiator protein alpha. J Bacteriol (1997) 0.82
Isolation of knotted DNA from coliphage P4. Methods Mol Biol (1999) 0.82
Helper-dependent bacteriophage P4: a model satellite virus and its implications for animal virology. Prog Med Virol (1973) 0.81
The helicase domain of phage P4 alpha protein overlaps the specific DNA binding domain. J Bacteriol (1997) 0.79
A complex control system for transcriptional activation from the sid promoter of bacteriophage P4. J Bacteriol (1998) 0.77
The two P2 Ogr-like domains of the delta protein from bacteriophage P4 are required for activity. Virology (1997) 0.76
In vitro activation of bacteriophage P2 late gene expression by extracts from phage P4-infected cells. J Virol (1983) 0.76