Ecology and genomics of an important crop wild relative as a prelude to agricultural innovation

Eric J.B. von Wettberg (), Peter L. Chang, Fatma Başdemir, Noelia Carrasquila-Garcia, Lijalem Balcha Korbu, Susan M. Moenga, Gashaw Bedada, Alex Greenlon, Ken S. Moriuchi, Vasantika Singh, Matilde A. Cordeiro, Nina V. Noujdina, Kassaye Negash Dinegde, Syed Gul Abbas Shah Sani, Tsegaye Getahun, Lisa Vance, Emily Bergmann, Donna Lindsay, Bullo Erena Mamo, Emily J. Warschefsky, Emmanuel Dacosta-Calheiros, Edward Marques, Mustafa Abdullah Yilmaz, Ahmet Cakmak, Janna Rose, Andrew Migneault, Christopher P. Krieg, Sevgi Saylak, Hamdi Temel, Maren L. Friesen, Eleanor Siler, Zhaslan Akhmetov, Huseyin Ozcelik, Jana Kholova, Canan Can, Pooran Gaur, Mehmet Yildirim, Hari Sharma, Vincent Vadez, Kassahun Tesfaye, Asnake Fikre Woldemedhin, Bunyamin Tar’an, Abdulkadir Aydogan, Bekir Bukun, R. Varma Penmetsa, Jens Berger, Abdullah Kahraman, Sergey V. Nuzhdin and Douglas R. Cook ()
Additional contact information
Eric J.B. von Wettberg: Florida International University
Peter L. Chang: University of California Davis
Fatma Başdemir: Dicle University
Noelia Carrasquila-Garcia: University of California Davis
Lijalem Balcha Korbu: Addis Ababa University
Susan M. Moenga: University of California Davis
Gashaw Bedada: Hawassa University
Alex Greenlon: University of California Davis
Ken S. Moriuchi: Florida International University
Vasantika Singh: University of Southern California
Matilde A. Cordeiro: University of Southern California
Nina V. Noujdina: University of Southern California
Kassaye Negash Dinegde: Addis Ababa University
Syed Gul Abbas Shah Sani: University of California Davis
Tsegaye Getahun: Addis Ababa University
Lisa Vance: University of California Davis
Emily Bergmann: University of California Davis
Donna Lindsay: University of Saskatchewan
Bullo Erena Mamo: University of California Davis
Emily J. Warschefsky: Florida International University
Emmanuel Dacosta-Calheiros: Florida International University
Edward Marques: Florida International University
Mustafa Abdullah Yilmaz: Dicle University
Ahmet Cakmak: Harran University
Janna Rose: Florida International University
Andrew Migneault: Florida International University
Christopher P. Krieg: Florida International University
Sevgi Saylak: Dicle University
Hamdi Temel: Dicle University
Maren L. Friesen: Michigan State University
Eleanor Siler: Michigan State University
Zhaslan Akhmetov: University of California Davis
Huseyin Ozcelik: Black Sea Agricultural Research Institute
Jana Kholova: International Crops Research Institute for the Semi-Arid Tropics
Canan Can: Gaziantep University
Pooran Gaur: International Crops Research Institute for the Semi-Arid Tropics
Mehmet Yildirim: Dicle University
Hari Sharma: International Crops Research Institute for the Semi-Arid Tropics
Vincent Vadez: International Crops Research Institute for the Semi-Arid Tropics
Kassahun Tesfaye: Addis Ababa University
Asnake Fikre Woldemedhin: Ethiopian Institute of Agricultural Research
Bunyamin Tar’an: University of Saskatchewan
Abdulkadir Aydogan: Central Research Institute for Field Crops (CRIFC)
Bekir Bukun: Dicle University
R. Varma Penmetsa: University of California Davis
Jens Berger: Commonwealth Scientific and Industrial Research Organization (CSIRO), Agriculture and Food
Abdullah Kahraman: Harran University
Sergey V. Nuzhdin: University of Southern California
Douglas R. Cook: University of California Davis

Nature Communications, 2018, vol. 9, issue 1, 1-13

Abstract: Abstract Domesticated species are impacted in unintended ways during domestication and breeding. Changes in the nature and intensity of selection impart genetic drift, reduce diversity, and increase the frequency of deleterious alleles. Such outcomes constrain our ability to expand the cultivation of crops into environments that differ from those under which domestication occurred. We address this need in chickpea, an important pulse legume, by harnessing the diversity of wild crop relatives. We document an extreme domestication-related genetic bottleneck and decipher the genetic history of wild populations. We provide evidence of ancestral adaptations for seed coat color crypsis, estimate the impact of environment on genetic structure and trait values, and demonstrate variation between wild and cultivated accessions for agronomic properties. A resource of genotyped, association mapping progeny functionally links the wild and cultivated gene pools and is an essential resource chickpea for improvement, while our methods inform collection of other wild crop progenitor species.

Date: 2018
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DOI: 10.1038/s41467-018-02867-z

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