Circularity of the Genetic Map of Bacteriophage T4.
نویسندگان
چکیده
منابع مشابه
On the direction of reading of bacteriophage T4 gene 43 (deoxyribonucleic acid polymerase).
Amber (am) mutants of the two closely linked sites, B22 and C125, in bacteriophage T4 gene 43 [deoxyribonucleic acid (DNA) polymerase] synthesize in the nonpermissive (su(-)) Escherichia coli host gene 43 products which are devoid of DNA polymerase activity, but which retain a 3'-exonuclease activity. Diethylaminoethyl-cellulose chromatographic analysis of DNA polymerase and deoxyribonuclease a...
متن کاملA map of distances along the DNA molecule of phage T4.
HE comparison of genetic map distances with distances along the DNA Tmolecule requires measurements which do not depend on frequencies of recombination between genetic markers. Several investigators have used various methods to estimate the amount of DNA in certain segments of bacteriophage genomes ( MESELSON and WEIGJX 1961 ; KAISER 1962; STAHL et al. 1964; JORDAN and MESELSON 1965; HOGNESS et...
متن کاملRealignment of the genetic map of the terminus of the rIIB cistron of bacteriophage T4.
Duplication end-point mapping in the rIIB cistron indicates that the order of the BS-B10b segments is the inverse of that presented in Benzer's (1961) genetic maps. This findings is supported by two- and three-factor crosses and the phenotypes of rII deletions extending into the D region.
متن کاملGenetic location of a mutant of bacteriophage T4 deficient in the ability to induce endonuclease II.
Reciprocal three-factor crosses and the use of a partial revertant of a putative ribonucleotide reductase mutant of Escherichia coli B/5 as indicator have made it possible to map denA (deficient in endonuclease II) between nrd-11 (ribonucleotide reductase gene B) and amM69 (gene 63) on the bacteriophage T4 chromosome.
متن کاملCloning and physical mapping of an early region of the bacteriophage T4 genome.
We have cloned DNA restriction fragments from the largely nonessential region of bacteriophage T4 located between genes 39 and 56. The cloned DNA fragments were used to construct a precise map of the sites in this region recognized by eight restriction endonucleases. This restriction map allowed us to compare the cytosine-containing T4 DNA used for cloning with the hydroxymethylcytosine-contain...
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ورودعنوان ژورنال:
- Genetics
دوره 48 شماره
صفحات -
تاریخ انتشار 1963