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

S.L. Pearce; D.F. Clarke; P.D. East; S. Elfekih; K.H.J. Gordon; L.S. Jermiin; A. McGaughran; J.G. Oakeshott; A. Papanikolaou; O.P. Perera; R.V. Rane; S. Richards; W.T. Tay; T.K. Walsh; A. Anderson; C.J. Anderson; S. Asgari; P.G. Board; A. Bretschneider; P.M. Campbell; T. Chertemps; J.T. Christeller; C.W. Coppin; S.J. Downes; G. Duan; C.A. Farnsworth; R.T. Good; L.B. Han; Y.C. Han; K. Hatje; I. Horne; Y.P Huang; D.S.T. Hughes; E. Jacquin-Joly; W. James; S. Jhangiani; M. Kollmar; S.S. Kuwar; S. Li; N-Y. Liu; M.T. Maibeche; J.R. Miller; N. Montagne; T. Perry; J. Qu; S.V. Song; G.G. Sutton; H. Vogel; B P. Walenz; W. Xu; H-J. Zhang; Z. Zou; P. Batterham; O.R. Edwards; R. Feyereisen; R.A. Gibbs; D.G. Heckel; A. McGrath; C. Robin; S.E. Scherer; K.C. Worley; Y.D. Wu

doi:10.1186/s12915-017-0402-6

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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

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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

S.L. Pearce, D.F. Clarke, P.D. East, S. Elfekih, K.H.J. Gordon, L.S. Jermiin, A. McGaughran, J.G. Oakeshott, A. Papanikolaou, O.P. Perera, …

BMC Biology, Vol.15(1)

2017

DOI: https://doi.org/10.1186/s12915-017-0402-6

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Abstract

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 to more than 100 more members of specific detoxification and digestion gene families and more than 100 extra gustatory receptor genes, compared to other lepidopterans with narrower host ranges. The two genomes remain very similar in gene content and order, but H. armigera is more polymorphic overall, and H. zea has lost several detoxification genes, as well as about 50 gustatory receptor genes. It also lacks certain genes and alleles conferring insecticide resistance found in H. armigera. Non-synonymous sites in the expanded gene families above are rapidly diverging, both between paralogues and between orthologues in the two species. Whole genome transcriptomic analyses of H. armigera larvae show widely divergent responses to different host plants, including responses among many of the duplicated detoxification and digestion genes. Conclusions: The extreme polyphagy of the two heliothines is associated with extensive amplification and neofunctionalisation of genes involved in host finding and use, coupled with versatile transcriptional responses on different hosts. H. armigera's invasion of the Americas in recent years means that hybridisation could generate populations that are both locally adapted and insecticide resistant.

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Title: Genomic innovations, transcriptional plasticity and gene loss underlying the evolution and divergence of two highly polyphagous and invasive Helicoverpa pest species
Authors/Creators: S.L. Pearce (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
D.F. Clarke (Author/Creator) - The University of Melbourne
P.D. East (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
S. Elfekih (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
K.H.J. Gordon (Author/Creator)
L.S. Jermiin (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
A. McGaughran (Author/Creator) - Australian National University
J.G. Oakeshott (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
A. Papanikolaou (Author/Creator) - The University of Sydney
O.P. Perera (Author/Creator) - Agricultural Research Service
R.V. Rane (Author/Creator) - The University of Melbourne
S. Richards (Author/Creator) - Baylor College of Medicine
W.T. Tay (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
T.K. Walsh (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
A. Anderson (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
C.J. Anderson (Author/Creator) - University of Stirling
S. Asgari (Author/Creator) - The University of Queensland
P.G. Board (Author/Creator) - Australian National University
A. Bretschneider (Author/Creator) - Max Planck Society
P.M. Campbell (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
T. Chertemps (Author/Creator) - Université Paris Cité
J.T. Christeller (Author/Creator) - Plant & Food Research
C.W. Coppin (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
S.J. Downes (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
G. Duan (Author/Creator) - Australian National University
C.A. Farnsworth (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
R.T. Good (Author/Creator) - The University of Melbourne
L.B. Han (Author/Creator) - Chinese Academy of Sciences
Y.C. Han (Author/Creator) - Nanjing Agricultural University
K. Hatje (Author/Creator) - Max Planck Society
I. Horne (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
Y.P Huang (Author/Creator) - Chinese Academy of Sciences
D.S.T. Hughes (Author/Creator) - Baylor College of Medicine
E. Jacquin-Joly (Author/Creator) - Institut National de la Recherche Agronomique
W. James (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
S. Jhangiani (Author/Creator) - Baylor College of Medicine
M. Kollmar (Author/Creator) - Max Planck Society
S.S. Kuwar (Author/Creator) - Max Planck Society
S. Li (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
N-Y. Liu (Author/Creator) - Southwest Forestry University
M.T. Maibeche (Author/Creator) - Université Paris Cité
J.R. Miller (Author/Creator) - J. Craig Venter Institute
N. Montagne (Author/Creator) - Université Paris Cité
T. Perry (Author/Creator) - The University of Melbourne
J. Qu (Author/Creator) - Baylor College of Medicine
S.V. Song (Author/Creator) - The University of Melbourne
G.G. Sutton (Author/Creator) - J. Craig Venter Institute
H. Vogel (Author/Creator) - Max Planck Society
B P. Walenz (Author/Creator) - J. Craig Venter Institute
W. Xu (Author/Creator) - Murdoch University
H-J. Zhang (Author/Creator) - Chongqing Medical University
Z. Zou (Author/Creator) - Chinese Academy of Sciences
P. Batterham (Author/Creator) - The University of Melbourne
O.R. Edwards (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
R. Feyereisen (Author/Creator) - University of Copenhagen
R.A. Gibbs (Author/Creator) - Baylor College of Medicine
D.G. Heckel (Author/Creator) - Max Planck Society
A. McGrath (Author/Creator) - Commonwealth Scientific and Industrial Research Organisation
C. Robin (Author/Creator) - The University of Melbourne
S.E. Scherer (Author/Creator) - Baylor College of Medicine
K.C. Worley (Author/Creator) - Baylor College of Medicine
Y.D. Wu (Author/Creator) - Nanjing Agricultural University
Publication Details: BMC Biology, Vol.15(1)
Publisher: BioMed Central
Identifiers: 991005545014407891
Murdoch Affiliation: School of Veterinary and Life Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.32 Entomology; 3.32.827 Insecticide Resistance
Web Of Science research areas: Biology
ESI research areas: Biology & Biochemistry