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https://www.selleckchem.com/products/mmp-9-in-1.html A new study finds that the femaleless gene is essential for sexual development and repression of X-chromosome dosage compensation in the malaria vector Anopheles gambiae. This could provide the basis for a new genetic approach to control this pest.Genetic loci coding for a toxin and its antidote behave like selfish elements. Two new studies find an accumulation of such elements in one species.During cell competition fitter cells eliminate the weaker ones. New work identifies FGF21 as a factor that is secreted by the prospective loser cells of this competition and that acts to attract the winners towards them.A new study reveals that phosphorus-limited diatoms employ a rapid calcium-based signaling pathway upon phosphorus resupply. This response leads to enhanced nitrogen uptake and assimilation, setting the stage for recovery from nutrient deprivation.Many fungi transform host tissues to benefit their own reproduction. A recent study investigates a fungus that converts its plant host's reproductive tissues into ornate flower mimics. These 'pseudoflowers' present complex cues that may enlist insects to facilitate fungal dispersal.How many genes control a given trait? And are genes with defined knockout phenotypes affecting a given trait the same genes that also underlie population-wide variation in that trait? A new study in Drosophila melanogaster has some surprising answers.Visual search is critical to daily life and to socially important tasks - from cancer screening to airport security. New research shows how a technological advancement can interact with the human visual system to improve search for one type of target while making matters worse for another. Part of the problem is that we are surprisingly bad at knowing where we have looked.Swordtail fish with their eponymous male ornament have long been a paradigm for how sexual selection works. Two studies now aim to dissect the genetic and developmental basis

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