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

被引：247

作者：

Pearce, S. L. ^{[1
]}

Clarke, D. F. ^{[1
,2
]}

East, P. D. ^{[1
]}

Elfekih, S. ^{[1
]}

Gordon, K. H. J. ^{[1
]}

Jermiin, L. S. ^{[1
]}

McGaughran, A. ^{[1
,3
]}

Oakeshott, J. G. ^{[1
]}

Papanikolaou, A. ^{[1
,4
]}

Perera, O. P. ^{[5
]}

Rane, R. V. ^{[1
,2
]}

Richards, S. ^{[6
]}

Tay, W. T. ^{[1
]}

Walsh, T. K. ^{[1
]}

Anderson, A. ^{[1
]}

Anderson, C. J. ^{[1
,7
]}

Asgari, S. ^{[8
]}

Board, P. G. ^{[9
]}

Bretschneider, A. ^{[10
]}

Campbell, P. M. ^{[1
]}

Chertemps, T. ^{[11
,12
]}

Christeller, J. T. ^{[13
]}

Coppin, C. W. ^{[1
]}

Downes, S. J. ^{[14
]}

Duan, G. ^{[3
]}

Farnsworth, C. A. ^{[1
]}

Good, R. T. ^{[2
]}

Han, L. B. ^{[15
]}

Han, Y. C. ^{[1
,16
]}

Hatje, K. ^{[17
]}

Horne, I. ^{[1
]}

Huang, Y. P. ^{[18
]}

Hughes, D. S. T. ^{[6
]}

Jacquin-Joly, E. ^{[12
]}

James, W. ^{[1
]}

Jhangiani, S. ^{[6
]}

Kollmar, M. ^{[17
]}

Kuwar, S. S. ^{[10
]}

Li, S. ^{[1
]}

Liu, N-Y. ^{[1
,19
]}

Maibeche, M. T. ^{[11
,12
]}

Miller, J. R. ^{[20
]}

Montagne, N. ^{[11
]}

Perry, T. ^{[2
]}

Qu, J. ^{[6
]}

Song, S. V. ^{[2
]}

Sutton, G. G. ^{[20
]}

Vogel, H. ^{[10
]}

Walenz, B. P. ^{[20
]}

Xu, W. ^{[1
,21
]}

机构：

[1] CSIRO Black Mt, GPO Box 1700, Canberra, ACT 2600, Australia

[2] Univ Melbourne, Sch Biol Sci, Parkville, Vic, Australia

[3] Australian Natl Univ, Res Sch Biol, Canberra, ACT, Australia

[4] Western Sydney Univ, Hawksbury Inst Environm, Penrith, NSW, Australia

[5] ARS, Southern Insect Management Res Unit, USDA, Stoneville, MS USA

[6] Baylor Coll Med, Human Genome Sequencing Ctr, Houston, TX 77030 USA

[7] Univ Stirling, Biol & Environm Sci, Stirling, Scotland

[8] Univ Queensland, Sch Biol Sci, Brisbane St Lucia, Qld, Australia

[9] Australian Natl Univ, John Curtin Sch Med Res, Canberra, ACT, Australia

[10] Max Planck Inst Chem Ecol, Jena, Germany

[11] UPMC Univ Paris 06, Sorbonnes Univ, Inst Ecol & Environm Sci Paris, Paris, France

[12] INRA, Inst Ecol & Environm Sci Paris, Versailles, France

[13] Plant & Food Res, Auckland, New Zealand

[14] CSIRO, Narrabri, NSW, Australia

[15] Chinese Acad Sci, Inst Zool, State Key Lab Integrated Management Pest Insects, Beijing 100101, Peoples R China

[16] Nanjing Agr Univ, Coll Plant Protect, Nanjing, Jiangsu, Peoples R China

[17] Max Planck Inst Biophys Chem, Gottingen, Germany

[18] Chinese Acad Sci, Shanghai Inst Biol Sci, Inst Plant Physiol & Ecol, Shanghai, Peoples R China

[19] Southwest Forestry Univ, Key Lab Forest Disaster Warning & Control Yunnan, Kunming 650224, Yunnan, Peoples R China

[20] J Craig Venter Inst, Rockville, MD USA

[21] Murdoch Univ, Sch Vet & Life Sci, Perth, WA, Australia

[22] Chongqing Med Univ, Chongqing Key Lab Biochem & Mol Pharmacol, Chongqing 400016, Peoples R China

[23] CSIRO, Floreat Pk, WA, Australia

[24] Univ Copenhagen, Dept Plant & Environm Sci, Thorvaldsensvej, Denmark

来源：

BMC BIOLOGY | 2017年 / 15卷

基金：

中国国家自然科学基金;

关键词：

ARMIGERA HUBNER LEPIDOPTERA; HELIOTHIS-VIRESCENS LEPIDOPTERA; WILD HOST PLANTS; INSECTICIDE RESISTANCE; ZEA LEPIDOPTERA; COTTON BOLLWORM; BACILLUS-THURINGIENSIS; NOCTUIDAE HELIOTHINAE; MITOCHONDRIAL-DNA; TOXIN CRY2AB;

D O I：

10.1186/s12915-017-0402-6

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页数：30

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