A bacterial protein requirement for the bacteriophage λ terminase reaction
نویسندگان
چکیده
منابع مشابه
The functional domains of bacteriophage t4 terminase.
The packaging of double-stranded genomic DNA into some viral and all bacteriophage capsids is driven by powerful molecular motors. In bacteriophage T4, the motor consists of the portal protein assembly composed of twelve copies of gene product 20 (gp20, 61 kDa) and an oligomeric terminase complex composed of gp16 (18 kDa) and gp17 (70 kDa). The packaging motor drives the 171-kbp T4 DNA into the...
متن کاملDomains for protein-protein interactions at the N and C termini of the large subunit of bacteriophage lambda terminase.
The large subunit of phage lambda terminase, gpA, the gene product of the phage A gene, interacts with the small subunit, gpNul, to form functional terminase. Terminase binds to lambda DNA at cosB to form a binary complex. The terminase:DNA complex binds a prohead to form a ternary complex. Ternary complex formation involves an interaction of the prohead with gpA. The amino terminus of gpA cont...
متن کاملContinuous requirement for host P10 protein during bacteriophage T4 infection.
The Escherichia coli 30S ribosomal protein P10, the product of the str gene, known to be involved only in the initiation of protein syntehsis, is required for all bacteriophage T4 protein synthesis.
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Within 5 to 10 min at 37 C, bacteria infected by bacteriophage phiX174 acquire the ability to exclude superinfecting phiX particles from reproducing themselves. The superinfecting phage are blocked at a stage prior to synthesis of the parental replicative form molecule; the superinfecting deoxyribonucleic acid remains as intact (infective) single strands. Establishment of superinfection exclusi...
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The release of the ribonucleic acid (RNA)-containing phage MS2 from Escherichia coli is accompanied by cellular lysis at 37 C, whereas at 30 C phage are released from intact cells. Chloramphenicol or rifampin prevents the release of progeny phage particles at both temperatures. Neither drug causes an immediate cessation of phage release and after inhibition of protein synthesis by chloramphenic...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1986
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/14.24.9797