Exotic alleles contribute to heat tolerance in wheat under field conditions

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Molero, Gemma, Coombes, Benedict, Joynson, Ryan, Pinto, Francisco, Piñera-Chávez, Francisco J., Rivera-Amado, Carolina, Hall, Anthony ORCID: https://orcid.org/0000-0002-1806-020X and Reynolds, Matthew P. (2023) Exotic alleles contribute to heat tolerance in wheat under field conditions. Communications Biology, 6. ISSN 2399-3642

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Abstract

Global warming poses a major threat to food security and necessitates the development of crop varieties that are resilient to future climatic instability. By evaluating 149 spring wheat lines in the field under yield potential and heat stressed conditions, we demonstrate how strategic integration of exotic material significantly increases yield under heat stress compared to elite lines, with no significant yield penalty under favourable conditions. Genetic analyses reveal three exotic-derived genetic loci underlying this heat tolerance which together increase yield by over 50% and reduce canopy temperature by approximately 2 °C. We identified an Ae. tauschii introgression underlying the most significant of these associations and extracted the introgressed Ae. tauschii genes, revealing candidates for further dissection. Incorporating these exotic alleles into breeding programmes could serve as a pre-emptive strategy to produce high yielding wheat cultivars that are resilient to the effects of future climatic uncertainty.

Item Type: Article
Additional Information: Data availability statement: Publicly available sequencing data used in this study is available at the European Nucleotide Archive (ENA): HiBAP I enrichment capture sequencing data - PRJEB38874; Th. ponticum—SRR13484812; S. vavilovii: ERR505040, ERR505041, ERR505042; S. cereale accession Lo90: ERR504990, ERR504991, ERR504992; S. cereale accession Lo176: ERR505005, ERR505006, ERR505007; S. cereale accession Lo282: ERR505015, ERR505016, ERR505017; S. cereale accession Lo351: ERR505035, ERR505036, ERR505037; Ae. Tauschii accession XJ65: SRR13961980; Y173: SRR13962062; SX60: SRR13962012; AY29: SRR13961834; KU2832: SRR13961928; Y215: SRR13962048; Weebil1: PRJEB35709; Norin61: PRJNA492239; Pavon76: https://opendata.earlham.ac.uk/wheat/under_license/toronto/Hall_2021-10-08_wheatxmuticum/PIP-2495/200812_A00478_0126_AHN5W3DRXX/A10948_1_1/; Ae. tauschii RNAseq data: PRJEB23317; T. aestivum cv. Chinese Spring RNAseq data: Root - SRP133837; SRR6799264; SRR6799265; Leaf - SRR6799258; SRR6799259; SRR6799260; Spike - SRR6802608; SRR6802609; SRR6802610; SRR6802611. VCF and hapmap genotype files for HiBAP I are available at: https://opendata.earlham.ac.uk/wheat/under_license/toronto/Hall_2022-04-08_HiBAP_genotyping/ Phenotypic data presented in this paper for the HIBAP I panel evaluated under yield potential and heat stressed environments can be found in the Dataverse CIMMYT Research Data Repository at https://data.cimmyt.org/dataset.xhtml?persistentId=hdl:11529/1054864380. The source data used to generate the main figures can be found on zenodo at https://zenodo.org/record/7333888#.Y3dmbILP1O681, the GitHub repository: https://github.com/benedictcoombes/Exotic_alleles_contribute_to_heat_tolerance_in_wheat_under_field_conditions and in Supplementary Data 3. Code availability statement: The code needed to reproduce the main figures can be found on Zenodo at https://zenodo.org/record/7333888#.Y3dmbILP1O681 and at the github repository: https://github.com/benedictcoombes/Exotic_alleles_contribute_to_heat_tolerance_in_wheat_under_field_conditions. Funding Information: This research was supported by the International Wheat Yield Partnership (IWYP) and by the Sustainable Modernization of Traditional Agriculture (MasAgro) an initiative from the Secretariat of Agriculture and Rural Development (SADER) and CIMMYT. Foundation for Food and Agriculture Research under the Grant ID: DFs-19-0000000013. A.H. was supported by BBSRC Core Strategic Programme Grant (Genomes to Food Security) BB/CSP1720/1; A.H. and R.J. was supported by the BBSRC Designing Future Wheat grant BB/P016855/1, BBS/E/T/000PR9783 (DFW WP4 Data Access and Analysis). A.H. and R.J. were also supported by BBSRC/IWYP BB/N020871/1. B.C. was supported by the BBSRC funded Norwich Research Park Biosciences Doctoral Training Partnership grant BB/M011216/1.
Uncontrolled Keywords: medicine (miscellaneous),biochemistry, genetics and molecular biology(all),agricultural and biological sciences(all),sdg 2 - zero hunger ,/dk/atira/pure/subjectarea/asjc/2700/2701
Faculty \ School: Faculty of Science > School of Biological Sciences
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Depositing User: LivePure Connector
Date Deposited: 24 Oct 2024 16:30
Last Modified: 04 Nov 2024 12:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/97186
DOI: 10.1038/s42003-022-04325-5

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