Eric Reeve
University of Edinburgh
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Featured researches published by Eric Reeve.
Genetics Research | 1980
John R. S. Fincham; William G. Hill; Eric Reeve
Currently favoured models postulate that gene conversion is due to the correction of mis-matches in heteroduplex DNA. If heteroduplex is formed reciprocally on both chromatids participating in recombination, the mis-matches due to a heterozygous site will be different on the two chromatids, and there will be four correction probabilities to be taken into account. It is shown that, given the frequencies of the five different kinds of aberrant ascus ratios, it is possible to calculate four alternative sets of values for the four correction probabilities and the total number of asci in which heteroduplex is formed. These four solutions reduce in effect to two when there are no other markers distinguishing the two chromatids. With the aid of flanking markers and the assumption that heteroduplex formation is chemically polarized, it is possible, in principle, to choose one best solution. The method has been applied to the five one-point crosses in Sordaria fimicola from which most data are available. The data from four different mutants crossed to wild type are compatible with a restricted model in which the correction frequencies, from mutant to wild and from wild to mutant, are the same on both chromatids. In the case of the fifth mutant the data are not consistent with this restricted model, and indicate different correction frequencies in the two chromatids.
Genetics Research | 1989
F. E. Hitchin; Eric Reeve
The chromosomal lac region of the coliform bacterium Klebsiella M5al was cloned into the multicopy plasmid pBR322 to give pHE7 and pHE8. pHE8 contains 12.6 kb of M5al DNA, including its complete lac operon, and pHE7 contains 2.5 kb of M5al DNA and includes the complete lac Y gene and a small segment of lacZ. The M5al operon has the same gene order as the Escherichia coli lac operon. The lac genes of the Lac plasmid of Klebsiella V9A were cloned into pBR322 to give pHE1 and pHE2, of approximately 39 and 43 kb. Both plasmids were unstable in an E. coli RecA-strain, in contrast to the stability of pHE8. Polyacrylamide gel electrophoresis tests suggested that the M5al beta-galactosidase monomer is about 5% longer, i.e. has about 50 more amino acids, than that of the E. coli Z gene. Tests made on the enzymes coded by the lac operons of M5al, another Klebsiella strain (V9A) and its resident Lac plasmid, and several Lac+ Enterobacteria, led to the conclusion that only Escherichia coli among the Enterobacteria contains an active lacA gene.
Genetics Research | 1988
Eric Reeve
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Genetics Research | 1986
Eric Reeve
principles of human genetics, with plenty of illustrations and tables, and should provide a very adequate introduction to genetics for those new to the subject. The rest of the book consists mainly of 10 chapters (126 pages) on clinical applications of medical genetics. This covers all the main conditions, with useful summaries, where knowledge is available, on their diagnosis, prognosis and genetics and a number of photographs. The scientific aspects of genetic counselling are discussed in some detail. Finally, there is a short and simple statistical appendix, a self-assessment section of about 260 statements to be classified as true or false by the student, with a key; a glossary, a page listing reference text books, and an index.
Genetics Research | 1995
Eric Reeve
Genetics Research | 1997
Eric Reeve
Genetics Research | 1996
Eric Reeve
Genetics Research | 1995
Eric Reeve
Genetics Research | 1995
Eric Reeve
Genetics Research | 1995
Eric Reeve