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Identification of a novel stripe rust resistance gene from the European winter wheat cultivar ‘Acienda’: A step towards rust proofing wheat cultivation

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Title Identification of a novel stripe rust resistance gene from the European winter wheat cultivar ‘Acienda’: A step towards rust proofing wheat cultivation
 
Creator Grover, Gomti
Sharma, Achla
Mackay, Ian
Srivastava, Puja
Kaur, Satinder
Kaur, Jaspal
Burridge, Amanda
Allen, Sacha Przewieslik
Bentley, Alison R.
Chhuneja, Parveen
Bains, N.S.
 
Subject wheat
loci
chromosome mapping
single nucleotide polymorphism
plant breeding
genotyping
 
Description All stage resistance to stripe rust races prevalent in India was investigated in the European winter wheat cultivar ‘Acienda’. In order to dissect the genetic basis of the resistance, a backcross population was developed between ‘Acienda’ and the stripe rust susceptible Indian spring wheat cultivar ‘HD 2967’. Inheritance studies revealed segregation for a dominant resistant gene. High density SNP genotyping was used to map stripe rust resistance and marker regression analysis located stripe rust resistance to the distal end of wheat chromosome 1A. Interval mapping located this region between the SNP markers AX-95162217 and AX-94540853, at a LOD score of 15.83 with a phenotypic contribution of 60%. This major stripe rust resistance locus from ‘Acienda’ has been temporarily designated as Yraci. A candidate gene search in the 2.76 Mb region carrying Yraci on chromosome 1A identified 18 NBS-LRR genes based on wheat RefSeqv1.0 annotations. Our results indicate that as there is no major gene reported in the Yraci chromosome region, it is likely to be a novel stripe rust resistance locus and offers potential for deployment, using the identified markers, to confer all stage stripe rust resistance.
 
Date 2022-02-16
2023-01-09T10:10:24Z
2023-01-09T10:10:24Z
 
Type Journal Article
 
Identifier Grover, G., Sharma, A., Mackay, I., Srivastava, P., Kaur, S., Kaur, J., Burridge, A., Allen, S. P., Bentley, A. R., Chhuneja, P., & Bains, N. S. (2022). Identification of a novel stripe rust resistance gene from the European winter wheat cultivar ‘Acienda’: A step towards rust proofing wheat cultivation. PLOS ONE, 17(2), e0264027. https://doi.org/10.1371/journal.pone.0264027
1932-6203
https://hdl.handle.net/10568/126704
https://doi.org/10.1371/journal.pone.0264027
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format application/pdf
 
Publisher Public Library of Science
 
Source PLOS ONE