Genomic architecture and introgression shape a butterfly radiation

被引：287

作者：

Edelman, Nathaniel B. ^{[1
]}

Frandsen, Paul B. ^{[2
,3
]}

Miyagi, Michael ^{[1
]}

Clavijo, Bernardo ^{[4
]}

Davey, John ^{[5
]}

Dikow, Rebecca B. ^{[3
]}

Garcia-Accinelli, Gonzalo ^{[4
]}

Van Belleghem, Steven M. ^{[6
]}

Patterson, Nick ^{[7
,8
]}

Neafsey, Daniel E. ^{[8
,9
]}

Challis, Richard ^{[10
]}

Kumar, Sujai ^{[11
]}

Moreira, Gilson R. P. ^{[12
]}

Salazar, Camilo ^{[13
]}

Chouteau, Mathieu ^{[14
]}

Counterman, Brian A. ^{[15
]}

Papa, Riccardo ^{[16
]}

Blaxter, Mark ^{[10
]}

Reed, Robert D. ^{[17
]}

Dasmahapatra, Kanchon K. ^{[5
]}

Kronforst, Marcus ^{[18
]}

Joron, Mathieu ^{[19
]}

Jiggins, Chris D. ^{[20
]}

McMillan, W. Owen ^{[21
]}

Di Palma, Federica ^{[4
]}

Blumberg, Andrew J. ^{[22
]}

Wakeley, John ^{[1
]}

Jaffe, David ^{[23
]}

Mallet, James ^{[1
]}

机构：

[1] Harvard Univ, Dept Organism & Evolutionary Biol, Cambridge, MA 02138 USA

[2] Brigham Young Univ, Dept Plant & Wildlife Sci, Provo, UT 84602 USA

[3] Smithsonian Inst, Data Sci Lab, Off Chief Informat Officer, Washington, DC 20560 USA

[4] Earlham Inst, Res Pk, Norwich NR4 7UZ, Norfolk, England

[5] Univ York, Dept Biol, Biosci Technol Facil, York YO10 5DD, N Yorkshire, England

[6] Univ Puerto Rico, Dept Biol, Rio Piedras Campus, Rio Piedras, PR 00931 USA

[7] Harvard Univ, Dept Human Evolutionary Biol, Cambridge, MA 02138 USA

[8] Broad Inst MIT & Harvard, Cambridge, MA 02142 USA

[9] Harvard TH Chan Sch Publ Hlth, Boston, MA 02115 USA

[10] Wellcome Sanger Inst, Wellcome Genome Campus, Cambridge CB10 1SA, England

[11] Univ Edinburgh, Inst Evolutionary Biol, Edinburgh EH9 3JT, Midlothian, Scotland

[12] Univ Fed Rio Grande, Dept Zool, BR-91501970 Porto Alegre, RS, Brazil

[13] Univ Rosario, Fac Nat Sci & Math, Biol Program, Carrera 24, Bogota 111221, Colombia

[14] Univ Guyane, CNRS Guyane, Lab Ecol Evolut Interact Syst Amazoniens LEEISA, USR 3456, 275 Route Montabo, Cayenne 97334, French Guiana

[15] Mississippi State Univ, Dept Biol Sci, Starkville, MS 39762 USA

[16] Univ Puerto Rico, Mol Sci & Res Ctr, San Juan, PR 00931 USA

[17] Cornell Univ, Dept Ecol & Evolutionary Biol, Ithaca, NY 14853 USA

[18] Univ Chicago, Dept Ecol & Evolut, Chicago, IL 60637 USA

[19] Univ Montpellier, Univ Paul Valery Montpellier 3, CEFE,CNRS, EPHE,IRD, F-34090 Montpellier, France

[20] Univ Cambridge, Dept Zool, Cambridge CB2 3EJ, England

[21] Smithsonian Trop Res Inst, Apartado 0843-03092, Panama City, Panama

[22] Univ Texas, Dept Math, Austin, TX 78712 USA

[23] 10x Genom, Pleasanton, CA 94566 USA

来源：

SCIENCE | 2019年 / 366卷 / 6465期

基金：

美国国家卫生研究院; 英国生物技术与生命科学研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

HELICONIUS-MELPOMENE; HYBRID STERILITY; GENE FLOW; SPECIATION; EVOLUTION; MIMICRY; PERFORMANCE; ALGORITHMS; ADMIXTURE; SELECTION;

D O I：

10.1126/science.aaw2090

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We used 20 de novo genome assemblies to probe the speciation history and architecture of gene flow in rapidly radiating Heliconius butterflies. Our tests to distinguish incomplete lineage sorting from introgression indicate that gene flow has obscured several ancient phylogenetic relationships in this group over large swathes of the genome. Introgressed loci are underrepresented in low-recombination and gene-rich regions, consistent with the purging of foreign alleles more tightly linked to incompatibility loci. Here, we identify a hitherto unknown inversion that traps a color pattern switch locus. We infer that this inversion was transferred between lineages by introgression and is convergent with a similar rearrangement in another part of the genus. These multiple de novo genome sequences enable improved understanding of the importance of introgression and selective processes in adaptive radiation.

引用

页码：594 / +

页数：180

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