Few organisms are as well understood at the genetic level as Saccharomyces cerevisiae. Given that there are more yeast geneticists than yeast genes and exemplary resources for the community (largely a result of their size), this comes as no surprise. [...]
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A exciting research paper “Control of alternative RNA splicing and gene expression by eukaryotic riboswitches” published in Nature details the mechanism of how riboswitches work in Neurospora crassa. While riboswitches have been found and studied in bacteria there has not been extensive work showing how they work in fungi. In bacteria the riboswitch acts as the direct interacting sensor that switches [...] From Genetics this week a review discusses Why are there still 1000 Uncharacterized Yeast genes? Poor Yeast – so many more genes have no known function, while S. pombe has nearly 100% coverage in functional annotation. I’ll also point out that the 1000 genes refers to protein-coding genes, not ncRNA genes which may mean that there is alot more that is [...] I’ve never worked with Magnaporthe grisea, the fungus responsible for rice blast, one of the most devastating crop diseases, but I do know that its life cycle is complicated and that knocking out roughly 61% of the genes in the genome and evaluating the mutant phenotype to infer gene function is not trivial. In their recent letter to Nature, Jeon et al did what [...] |
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