Seeds have recycled a plant protection mechanism, the cuticle, to withstand terrestrial aggressions. The team of Luis Lopez-Molina discovered that the cuticle increases seeds’ viability, their resistance to reactive oxygen species, and contributes to maintaining their dormant state. The results were published on December 17, 2015 in PLoS Genetics.
The team of Michel Milinkovitch has produced a large database including the newly-sequenced genome of the corn snake, a species increasingly used to understand the evolution of reptiles. The researchers have also discovered the mutation that causes albinism in that species, a result published on November 24, 2015 in Scientific Reports.
The group of Brigitte Galliot discovered that the freshwater polyp remains alive in the absence of neurogenesis thanks to their epithelial cells. The latter overexpress a series of genes, among which some are involved in diverse nervous functions. The results were published on November 23, 2015 in the journal of the Royal Society.
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David Shore’s team discovered that all promoters could be classified into two distinct types differing by their state of nucleosome stability. One type, characterized by the presence of dynamic nucleosomes, is found at highly expressed genes, such as those involved in the control of cell growth and division. The results are described in the November 5th 2015 edition of Molecular Cell.