Uncovering the genomic basis of an extraordinary plant invasion

Author:

Bieker Vanessa C.1ORCID,Battlay Paul2ORCID,Petersen Bent34ORCID,Sun Xin1,Wilson Jonathan2,Brealey Jaelle C.1ORCID,Bretagnolle François5ORCID,Nurkowski Kristin2ORCID,Lee Chris2ORCID,Barreiro Fátima Sánchez3ORCID,Owens Gregory L.6ORCID,Lee Jacqueline Y.2,Kellner Fabian L.1ORCID,van Boheeman Lotte2,Gopalakrishnan Shyam3ORCID,Gaudeul Myriam7,Mueller-Schaerer Heinz8ORCID,Lommen Suzanne8910ORCID,Karrer Gerhard11ORCID,Chauvel Bruno12,Sun Yan13ORCID,Kostantinovic Bojan14ORCID,Dalén Love1516ORCID,Poczai Péter171819ORCID,Rieseberg Loren H.20ORCID,Gilbert M. Thomas P.13ORCID,Hodgins Kathryn A.2ORCID,Martin Michael D.1ORCID

Affiliation:

1. Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.

2. School of Biological Sciences, Monash University, Melbourne, Australia.

3. Center for Evolutionary Hologenomics, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark.

4. Centre of Excellence for Omics-Driven Computational Biodiscovery (COMBio), AIMST University, 08100 Kedah, Malaysia.

5. UMR CNRS/uB 6282 Biogéosciences, Université de Bourgogne-Franche-Comté, Dijon, France.

6. Department of Biology, University of Victoria, Victoria, Canada.

7. Institut de Systématique Evolution Biodiversité (ISYEB), Muséum National d’Histoire Naturelle, CNRS, SU, EPHE, UA, National Herbarium (P), 57 rue Cuvier, CP39, 75005 Paris, France.

8. Department of Biology, University of Fribourg, Fribourg, Switzerland.

9. Institute of Biology, Section Plant Ecology and Phytochemistry, Leiden University, P.O. Box 9505, 2300 RA Leiden, Netherlands.

10. Koppert Biological Systems, Department R&D Macrobiology, Veilingweg 14, 2651 BE Berkel en Rodenrijs, Netherlands.

11. Department of Integrative Biology and Biodiversity Research, University of Natural Resources and Life Sciences Vienna, Vienna, Austria.

12. UMR Agroécologie, Institut Agro, INRAE, Univ. Bourgogne, Univ. Bourgogne-Franche-Comté, F-21000 Dijon, France.

13. College of Resources and Environment, Huazhong Agricultural University, Wuhan, China.

14. Department of Environmental and Plant Protection, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia.

15. Centre for Palaeogenetics, Stockholm, Sweden.

16. Department of Bioinformatics and Genetics, Swedish Museum of Natural History, Stockholm, Sweden.

17. Botany Unit, Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland.

18. Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland.

19. Institute of Advanced Studies Kőszeg (iASK), Kőszeg, Hungary.

20. Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, Canada.

Abstract

Invasive species are a key driver of the global biodiversity crisis, but the drivers of invasiveness, including the role of pathogens, remain debated. We investigated the genomic basis of invasiveness in Ambrosia artemisiifolia (common ragweed), introduced to Europe in the late 19th century, by resequencing 655 ragweed genomes, including 308 herbarium specimens collected up to 190 years ago. In invasive European populations, we found selection signatures in defense genes and lower prevalence of disease-inducing plant pathogens. Together with temporal changes in population structure associated with introgression from closely related Ambrosia species, escape from specific microbial enemies likely favored the plant’s remarkable success as an invasive species.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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