Lea D. Brown

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Two types of Barbarea vulgaris var. arcuata, the G-type and the P-type, differed in resistance to larvae of the diamondback moth (DBM) Plutella xylostella. Rosette plants of the G-type were fully resistant to the DBM when grown in a greenhouse or collected in the summer season, but leaves collected during the late fall were less resistant, as previously(More)
The amount of genetic diversity in a population is determined by demographic and selection events in its history. Human populations which exhibit greatly reduced overall genetic diversity, presumably resulting from severe bottlenecks or founder events, are particularly interesting, not least because of their potential to serve as valuable resources for(More)
Despite extensive knowledge of many muscle A-band proteins (myosin molecules, titin, C-protein (MyBP-C)), details of the organization of these molecules to form myosin filaments remain unclear. Recently the myosin head (crossbridge) configuration in a relaxed vertebrate muscle was determined from low-angle X-ray diffraction (Hudson et al. (1997), J Mol Biol(More)
An atp gene cluster from the extreme acidophile Thiobacillus ferrooxidans was able to complement Escherichia coli F1 unc mutants for growth on minimal medium plus succinate. Complementation with all four E. coli F1 mutants tested was observed and subunits for the F1 portion of the T. ferrooxidans ATP synthase formed a functional association with the F0(More)
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