... bleomycin. The mutations were all of the same complementation group, indicating that they were all mutations of the same gene. )eggo and his colleagues went on to use ...

... theory which explains rather well the paucity of complementation groups in this and other organisms. We know that some single gene mutations can produce profound changes in the organisation of ...

... Gal segment, the relative order of two Gal~ genes should influence the ... Complementation Group A | B | Cc | D E Pending Gal, k Gal, t Gal, K+ t+ ...

... were in the construction and reversion of amber mutations in gene E and gene G of the single- stranded DNA ... Nature 289:85-88 Sabo, D. L., Bandle, E., Weissmann, C. 1975. Site-directed ... of the 5S gene directs specific initiation of transcription. I. The 5' ...

... Gene", Sci Am 206:70, Jan 62) GENETIC COMPLEMENTATION TEST (E5) 1968 a cross between Individuals bearing mutations in the same gene, intended to determine if both mutations occur in ...

... response to MMTV- and MHIV-derived signals. Two complementation groups have been identified for cloning mutant genes have begun. RETROVIRAL ONCOGENESIS AND PROTO- ONCOGENES Retroviruses ...

... particular cellular function, and contain- ing a special group of genes within an extra- chromosomal DNA molecule (e.g., mitochron- dria and chloroplasts). 39. Pathogenic: Producing ...

... so far examined belong to one cistron. Fla~ mutation of any one of these genes causes the loss of flagella. Among the Salmonella serotypes, S. gallinarum and S. pullorum in group-D do not produce flagella and are H- ...

... to observe alterations in polypeptide products resulting from mutations in synthetic genes (generally synthetic horopolymer sequences) which have been inserted into the genomes of E. coli and B. subtilis bacteria. Immunochemical methods will ...

... estimates from genetic data!® of the number of “genes” in Drosophila and man, the correlation between the number of bands plus-interbands and genetic complementation groups?’, the specific pairing between the bands of the ...