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Genes 55, alpha gt, 47 and 46 of bacteriophage T4: the genomic organization as deduced by sequence analysis.
Author(s) -
Gram H.,
Rüger W.
Publication year - 1985
Publication title -
the embo journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.484
H-Index - 392
eISSN - 1460-2075
pISSN - 0261-4189
DOI - 10.1002/j.1460-2075.1985.tb02344.x
Subject(s) - biology , bacteriophage , genetics , gene , sequence (biology) , sequence analysis , genomic organization , computational biology , genome , microbiology and biotechnology , escherichia coli
The nucleotide sequence of T4 genes 55, alpha gt, 47 and 46 was determined by a combination of ‘classical’ procedures and a shotgun approach. Small DNA fragments generated by frequent cleavage with restriction enzymes or by sonication of restriction fragments were cloned in phage M13 vectors and sequenced by the dideoxy method. The positions of the genes were determined by marker rescue between the corresponding T4 amber mutants and the cloned T4 DNA fragments used in the sequencing experiments. The sequence gives an insight into the organization of this 7.1‐kb early region of the T4 genome and shows that genetically ‘silent’ portions within this region are not void of genetic information.