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Global Business News

The Economic Times

Global Business / The Economic Times

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Scientists looked inside cockroach DNA, and found something they never expected

Cockroaches harbor ancient bacterial DNA, a new study reveals. Researchers discovered thousands of tiny DNA fragments from Blattabacterium cuenoti, a long-term microbial partner, integrated into cockroach genomes. This finding highlights how enduring animal-microbe partnerships can leave lasting genetic imprints, challenging previous assumptions about animal DNA.

2 Jul 2026 11:33 pm