Zanzare gialle, con tre occhi e senza ali sono state create in laboratorio riscrivendo i geni grazie a un'enzima chiamato CAS 9 inserito direttamente nelle cellule uovo e negli spermatozoi di esemplari di Aedes aegypti, una delle specie di questo tipo di insetto.
Scopo finale dell'esperimento, compiuto dai ricercatori dell'Università della California e i cui risultati sono stati pubblicati sulla rivista dell'Accademia delle scienze degli Stati Uniti, non è certo quello di creare mostruosità, ma di perfezionare una tecnica che permetta di rendere inoffensive, impedendone la diffusione, le zanzare vettori di gravi malattie come dengue, malaria, febbre gialla, chikunguya e zika. Questo senza ricorrere ai pesticidi.
pon/ANSA
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