Las duplicaciones del genoma ayudaron a las plantas con flores a sobrevivir a las extinciones masivas

8 de mayo de 2026

Reportado por IA

Copias adicionales de material genético parecen haber impulsado la supervivencia de las plantas con flores durante las principales crisis ambientales de la Tierra, incluido el evento que acabó con los dinosaurios.

Un estudio de 470 especies de angiospermas halló 132 duplicaciones del genoma antiguas que se agruparon en torno a nueve períodos de agitación entre hace 108 millones y 14 millones de años. Estos incluyeron cambios climáticos, alteraciones en los niveles de oxígeno y extinciones masivas, tales como el impacto del asteroide hace 66 millones de años al final del período Cretácico.

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4 de mayo de 2026 22:19