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The essential JIL-1 histone H3S10 kinase is a key regulator of chromatin structure that functions to maintain euchromatic domains while counteracting heterochromatization and gene silencing. In the absence of the JIL-1 kinase, two of the major heterochromatin markers H3K9me2 and HP1a spread in...
We present the results of surveys of diversity in sets of >40 X -linked and autosomal loci in samples from natural populations of Drosophila miranda and D. pseudoobscura , together with their sequence divergence from D. affinis. Mean silent site diversity in D. miranda is approximately...
Efficient genomic selection in animals or crops requires the accurate prediction of the agronomic performance of individuals from their high-density molecular marker profiles. Using a training data set that contains the genotypic and phenotypic information of a large number of individuals, each...
A variety of cellular factors affect the movement of the retrovirus-like transposon Ty1. To identify genes involved in Ty1 virus-like particle (VLP) function, the level of the major capsid protein (Gag-p45) and its proteolytic precursor (Gag-p49p) was monitored in a subset of Ty1 cofactor...
Meiosis is a highly regulated process in eukaryotic species. The filamentous fungus Neurospora crassa has been shown to be missing homologs of a number of meiotic initiation genes conserved in Saccharomyces cerevisiae , but has three homologs of the well-characterized middle meiotic...
Numerous studies have shown that the clinical antidepressant sertraline (Zoloft) is biologically active in model systems, including fungi, which do not express its putative protein target, the serotonin/5-HT transporter, thus demonstrating the existence of one or more secondary targets. Here we...
The variation of expression pattern exhibited by a transgene as a result of random integration, known as position effect, is, among other mechanisms, a particular challenge to reverse genetics. We present a strategy to counteract position effect in Arabidopsis thaliana by flanking the transgenes...
The genomics revolution has spurred the undertaking of HapMap studies of numerous species, allowing for population genomics to increase the understanding of how selection has created genetic differences between subspecies populations. The objectives of this study were to (1) develop an approach...
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