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Genomic innovations, transcriptional plasticity and gene loss underlying the evolution and divergence of two highly polyphagous and invasive Helicoverpa pest species

Pearce, S.L.; Clarke, D.F.; East, Peter; Elfekih, S.; Gordon, K.H.J.; Jermiin, L.S.; McGaughran, Angela; Oakeshott, J.G.; Papanikolaou, A.; Perera, O.P.; Rane, R V; Richards, S.; Duan, Guowen


BACKGROUND: Helicoverpa armigera and Helicoverpa zea are major caterpillar pests of Old and New World agriculture, respectively. Both, particularly H. armigera, are extremely polyphagous, and H. armigera has developed resistance to many insecticides. Here we use comparative genomics, transcriptomics and resequencing to elucidate the genetic basis for their properties as pests. RESULTS: We find that, prior to their divergence about 1.5 Mya, the H. armigera/H. zea lineage had accumulated up...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: BMC Biology
DOI: 10.1186/s12915-017-0402-6
Access Rights: Open Access


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