منابع مشابه
Structure and physical map of Rhodopseudomonas sphaeroides bacteriophage RS1 DNA.
We analyzed, by restriction endonuclease mapping and electron microscopy, the genome of the lytic Rhodopseudomonas sphaeroides-specific bacteriophage RS1 and characterized it as a linear molecule of approximately 60 to 65 kilobases. When the DNA from purified phage particles was examined by several independent methods, considerable size heterogeneity was apparent in the RS1 DNA. This size heter...
متن کاملDirection of transcription in bacteriophage T5 first-step transfer DNA.
The transcription of the T5 first-step transfer genes A2 and A3 has been shown to proceed from right to left (i.e., from A3 to A2) on the T5 DNA molecule.
متن کاملRole of the T5 gene D15 nuclease in the generation of nicked bacteriophage T5 DNA.
The processing of newly replicated concatameric T5 DNA into both single stranded DNA changed of unit length and single-stranded fragments of sizes comparable to those found in mature T5 virion DNA occurs in the absence of late T5 protein synthesis. The formation of unit-length, single-stranded DNA chains does not require the early T5 gene D15 nuclease: however, the subsequent formation of the s...
متن کاملPolarized injection of the bacteriophage T5 chromosome.
Examination of the first-step-transfer DNA of T5ris mutants which carry new EcoRI sites showed that the left end of the chromosome is injected first.
متن کاملGenetic suppressors of bacteriophage t5 amber mutants.
Nonsense mutations in structural genes appear to abort polypeptide chain synthesis at the amino acid site governed by the mutant codon. The two presently recognized types of nonsense mutant, amber and ochre, have been assigned the codons UAG and UAA, respectively. Certain bacteria harbor one or more genetic suppressors that counteract the effect of appropriate nonsense mutations in their own st...
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ژورنال
عنوان ژورنال: Journal of Virology
سال: 1982
ISSN: 0022-538X,1098-5514
DOI: 10.1128/jvi.43.2.566-573.1982