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Authors Baker, L; Grewal, S; Yang, CY; Hubbart-Edwards, S; Scholefield, D; Ashling, S; Burridge, AJ; Przewieslik-Allen, AM; Wilkinson, PA; King, IP; King, J
Author Full Name Baker, Lauren; Grewal, Surbhi; Yang, Cai-yun; Hubbart-Edwards, Stella; Scholefield, Duncan; Ashling, Stephen; Burridge, Amanda J.; Przewieslik-Allen, Alexandra M.; Wilkinson, Paul A.; King, Ian P.; King, Julie
Title Exploiting the genome of Thinopyrum elongatum to expand the gene pool of hexaploid wheat
Source THEORETICAL AND APPLIED GENETICS
Language English
Document Type Article
Keywords Plus MOLECULAR CYTOGENETIC CHARACTERIZATION; IN-SITU HYBRIDIZATION; TRITICUM-AESTIVUM; SALT-TOLERANCE; CHROMOSOMES; RESISTANCE; PONTICUM; RECOMBINATION; INTROGRESSION; INTERMEDIUM
Abstract Key message One hundred and thirty four introgressions from Thinopyrum elongatum have been transferred into a wheat background and were characterised using 263 SNP markers. Species within the genus Thinopyrum have been shown to carry genetic variation for a very wide range of traits including biotic and abiotic stresses and quality. Research has shown that one of the species within this genus, Th. elongatum, has a close relationship with the genomes of wheat making it a highly suitable candidate to expand the gene pool of wheat. Homoeologous recombination, in the absence of the Ph1 gene, has been exploited to transfer an estimated 134 introgressions from Th. elongatum into a hexaploid wheat background. The introgressions were detected and characterised using 263 single nucleotide polymorphism markers from a 35 K Axiom(R) Wheat-Relative Genotyping Array, spread across seven linkage groups and validated using genomic in situ hybridisation. The genetic map had a total length of 187.8 cM and the average chromosome length was 26.8 cM. Comparative analyses of the genetic map of Th. elongatum and the physical map of hexaploid wheat confirmed previous work that indicated good synteny at the macro-level, although Th. elongatum does not contain the 4A/5A/7B translocation found in wheat.
Author Address [Baker, Lauren; Grewal, Surbhi; Yang, Cai-yun; Hubbart-Edwards, Stella; Scholefield, Duncan; Ashling, Stephen; King, Ian P.; King, Julie] Univ Nottingham, Sch Biosci, Sutton Bonington Campus, Loughborough LE12 5RD, Leics, England; [Burridge, Amanda J.; Przewieslik-Allen, Alexandra M.; Wilkinson, Paul A.] Univ Bristol, Sch Biol Sci, Bristol BS8 1TQ, Avon, England
Reprint Address King, J (corresponding author), Univ Nottingham, Sch Biosci, Sutton Bonington Campus, Loughborough LE12 5RD, Leics, England.
E-mail Address julie.king@nottingham.ac.uk
ResearcherID Number Grewal, Surbhi/AAN-3474-2020
ORCID Number Grewal, Surbhi/0000-0002-0707-2504; Burridge, Amanda/0000-0002-0140-5523; Ian, King/0000-0001-7017-0265; Edwards, Stella/0000-0002-9286-154X
Funding Agency and Grant Number Biotechnology and Biological Sciences Research CouncilUK Research & Innovation (UKRI)Biotechnology and Biological Sciences Research Council (BBSRC) [BB/J004596/1, BB/P016855/1]
Funding Text This work was supported by the Biotechnology and Biological Sciences Research Council as part of the Wheat Institute Strategic Programme [grant number BB/J004596/1] and the Designing Future Wheat Programme [grant number BB/P016855/1]. The funding body played no role in the design of the study, collection, analysis and interpretation of data and in writing the manuscript.
Publisher SPRINGER
Publisher City NEW YORK
Publisher Address ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES
ISSN 0040-5752
29-Character Source Abbreviation THEOR APPL GENET
ISO Source Abbreviation Theor. Appl. Genet.
Publication Date JUL
Year Published 2020
Volume 133
Issue 7
Beginning Page 2213
Ending Page 2226
Digital Object Identifier (DOI) 10.1007/s00122-020-03591-3
Page Count 14
Web of Science Category Agronomy; Plant Sciences; Genetics & Heredity; Horticulture
Subject Category Agriculture; Plant Sciences; Genetics & Heredity
Document Delivery Number MB1IV
Unique Article Identifier WOS:000527525000001
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