MANUEL SÁNCHEZ LÓPEZ-BERGES2026-01-292026-01-29202010.1128/mBio.00230-202-s2.0-85083071913https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/31599MicrobiologyVirologyMultiplex genetic engineering exploiting pyrimidine salvage pathway-based endogenous counterselectable markersresearch article