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Full-Text Articles in Life Sciences

Additional Mapping Of Isozyme Loci: Localization Of Acp4, Dia2, Adkl, Tpi3, And Sadl, Jonathan F. Wendel, Major M. Goodman, Charles W. Stuber Jan 1986

Additional Mapping Of Isozyme Loci: Localization Of Acp4, Dia2, Adkl, Tpi3, And Sadl, Jonathan F. Wendel, Major M. Goodman, Charles W. Stuber

Jonathan F. Wendel

We recently listed the isozyme loci being studied by starch gel electrophoresis in our laboratory and summarized the available mapping data in a series of reports (Wendel et al., MGCNL 59:87-90). Subsequent work has resulted in further clarification of the chromosomal locations of markers on chromosomes 1 (Acp4, Dia2), 6 (Adkl), 8 (Tpi3), and 10 (Sadl). Previously unreported information on these loci and their chromosomal locations follows.


Tpi4 Is Located Near The Centromere On The Long Arm Of Chromosome 3, Jonathan F. Wendel, J. B. Beckett Jan 1986

Tpi4 Is Located Near The Centromere On The Long Arm Of Chromosome 3, Jonathan F. Wendel, J. B. Beckett

Jonathan F. Wendel

Tpi4, one of the three genes encoding cytosolic triose phosphate isomerase isozymes, was earlier shown to be on 3L between Pgd2 (phosphogluconate dehydrogenase) and the centromere (Wendel et al., MNL 59:88). In an effort to better localize Tpi4, a series of crosses was made between Tpi4 testers and stocks carrying three B-A translocations believed to be near the centromere on 3L.


Comparison Of Africanized And European Queen-Mating Colonies In Venezuela, Richard L. Hellmich Ii, Robert G. Danka, Thomas E. Rinderer, Anita M. Collins Jan 1986

Comparison Of Africanized And European Queen-Mating Colonies In Venezuela, Richard L. Hellmich Ii, Robert G. Danka, Thomas E. Rinderer, Anita M. Collins

Richard L Hellmich

Africanized queen-mating colonies produced fewer mated queens (P < 0.05), absconded more (P < 0.001) and had more population dwindling (P < 0.03) when compared to European queenmating colonies. Africanized colonies most affected by these factors were 5-1 nuclei, the type of mating nuclei most commonly used by U.S. queen producers. Efficiency of queen production was increased by doubling bee populations and hive volume and by adding brood.