Monday, December 10, 2018

Targeted PacBio Sequencing Adds to Scientific Arsenal in Evolutionary Arms Race

Cotton crops the world over have benefited from the pest-killing protein from Bacillus thuringiensis (Bt), first used in sprays and then, in 1996, transgenic crops, resulting in reduced insecticide use, enhanced biological control, and increased farmer profits. But the precious plants are under threat once again by a tiny but mighty pest: pink bollworm (Pectinophora gossypiella). In India, where more than 7 million farmers have planted 10.8 million hectares of transgenic Bt cotton, the lepidopteran pest has developed resistance to two different forms of the toxin that made the transgenic crops so effective, creating catastrophic economic losses. Scientists have been…

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