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Meiotic recombination in S. cerevisiae is initiated by double-strand breaks (DSBs). In certain mutants, breaks accumulate with a covalently attached protein, suggesting that cleavage is catalyzed by the DSB-associated protein via a topoisomerase-like transesterase mechanism. We have purified these protein-DNA complexes and identified the protein as Spo11,(More)
Chromosome behavior in meiosis is well characterized from cytological and genetic descriptions but little is known of the underlying molecular mechanisms, largely because no one experimental system has been developed to support an integrated application of modern cytological, genetic, and molecular biological methods. To combine efficient analyses of(More)
Biclustering algorithms have been successfully used to find subsets of co-expressed genes under subsets of conditions. In some cases, microarray experiments are performed to compare the biological activities of the genes between two classes of cells, such as normal and cancer cells. In this paper, we propose <i>DiBiCLUS</i>, a novel <b>Di</b>fferential(More)
Sensory neuropathy of trigeminal nerve is one of the neurological complications of systemic diseases, particularly scleroderma. Three cases are reported in which onset occurred at different stages of the disease, the main symptom being painful dysesthesias. All three branches of the trigeminal nerve may be affected but a preference is apparent for V2 and(More)
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