GENES SALTARINES Y EVOLUCIÓN

Descubren que los retrotransposones, partículas genéticas que saltan entre cromosomas, invaden células madre de los embriones y promueven enfermedades y evolución.

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How do jumping genes cause disease, drive evolution? -- ScienceDaily: Researchers have developed new techniques to track the mobilization of jumping genes. They found that during a particular period of egg development, a group of jumping-genes called retrotransposons hijacks special cells called nurse cells that nurture the developing eggs. These jumping genes use nurse cells to produce invasive material (copies of themselves called virus-like particles) that move into a nearby egg and then mobilize into the egg's DNA driving evolution, and causing disease.