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Scientists discover how some vertebrates regenerate their limbs

Some animals in the world possess the ability to regenerate tissues, allowing them to regrow parts of limbs or entire limbs ...
Nature

EvoD/Vo: the origins of BMP signalling in the neuroectoderm

Signalling by bone morphogenetic proteins (BMPs) acts in a conserved all-or-none fashion to repress the expression of all neural genes in the epidermal ectoderm of bilaterian embryos. The ...