Abstract
Wheat-rye T1BL.1RS translocation is widespread worldwide as the genes on 1RS arm have positive effect on stress resistance, grain yield and adaptation ability of wheat. Nowadays, the T1BL.1RS wheat cultivars have become susceptible to rust diseases because of the monophyletic ('Petkus') origin of 1RS. Here we report and discuss the production and detailed investigation of a new T1BL.1RS translocation line carrying 1RS with widened genetic base originating from Secale cereanum. Line '179' exhibited improved spike morphology traits, resistance against stripe rust and leaf rust, as well as higher tillering capacity, fertility and dietary fiber (arabynoxylan) content than the parental wheat genotype. Comparative analyses based on molecular cytogenetic methods and molecular (SSR and DArTseq) makers indicate that the 1RS arm of line '179' is a recombinant of S. cereale and S. strictum homologues, and approximately 16% of its loci were different from that of 'Petkus' origin. 162 (69.5%) 1RS-specific markers were associated with genes, including 10 markers with putative disease resistance functions and LRR domains found on the subtelomeric or pericentromeric regions of 1RS. Line '179' will facilitate the map-based cloning of the resistance genes, and it can contribute to healthy eating and a more cost-efficient wheat production.
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Claims 9
Claim · model-written summary
Line 179 had improved spike morphology relative to parental wheat.
- Taxon
- wheat
Triticum aestivume0 - Material
- Line '179'e0
- Outcome
- spike morphology traitse0
- Direction
- improvede0
- Comparator
- parental wheat genotypee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Line '179' exhibited improved spike morphology traits, resistance against stripe rust and leaf rust, as well as higher tillering capacity, fertility and dietary fiber (arabynoxylan) content than the parental wheat genotype.”
Claim · model-written summary
Line 179 resisted stripe rust and leaf rust.
- Taxon
- wheatTriticum aestivume0
- Material
- Line '179'e0
- Outcome
- resistance against stripe rust and leaf ruste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Line '179' exhibited improved spike morphology traits, resistance against stripe rust and leaf rust, as well as higher tillering capacity, fertility and dietary fiber (arabynoxylan) content than the parental wheat genotype.”
Claim · model-written summary
Line 179 had higher tillering capacity and fertility than parental wheat.
- Taxon
- wheatTriticum aestivume0
- Material
- Line '179'e0
- Outcome
- tillering capacity, fertilitye0
- Direction
- highere0
- Comparator
- parental wheat genotypee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Line '179' exhibited improved spike morphology traits, resistance against stripe rust and leaf rust, as well as higher tillering capacity, fertility and dietary fiber (arabynoxylan) content than the parental wheat genotype.”
Claim · model-written summary
Line 179 had higher arabinoxylan content than parental wheat.
- Taxon
- wheatTriticum aestivume0
- Material
- Line '179'e0
- Outcome
- dietary fiber (arabynoxylan) contente0
- Direction
- highere0
- Comparator
- parental wheat genotypee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Line '179' exhibited improved spike morphology traits, resistance against stripe rust and leaf rust, as well as higher tillering capacity, fertility and dietary fiber (arabynoxylan) content than the parental wheat genotype.”
Claim · model-written summary
The 1RS arm of line 179 is a recombinant of S. cereale and S. strictum homologues.
- Taxon
- S. cereale
Secale cerealee0 - Material
- line '179'e0
- Outcome
- recombinant of S. cereale and S. strictum homologuese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the 1RS arm of line '179' is a recombinant of S. cereale and S. strictum homologues, and approximately 16% of its loci were different from that of 'Petkus' origin.”
Claim · model-written summary
Approximately 16% of line 179 loci differed from Petkus origin.
- Taxon
- S. cerealeSecale cerealee0
- Material
- line '179'e0
- Outcome
- locie0
- Direction
- differente0
- Value
- 16%e0
- Comparator
- 'Petkus'e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the 1RS arm of line '179' is a recombinant of S. cereale and S. strictum homologues, and approximately 16% of its loci were different from that of 'Petkus' origin.”
Claim · model-written summary
Of 1RS-specific markers, 162 (69.5%) were gene associated.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- 1RS-specific markers were associated with genese0
- Value
- 162 (69.5%)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“162 (69.5%) 1RS-specific markers were associated with genes, including 10 markers with putative disease resistance functions and LRR domains found on the subtelomeric or pericentromeric regions of 1RS.”
t0“wheat”
Claim · model-written summary
Ten markers had putative disease resistance functions and LRR domains.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- subtelomeric or pericentromeric regions of 1RSe0
- Outcome
- markers with putative disease resistance functions and LRR domainse0
- Value
- 10 markerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“162 (69.5%) 1RS-specific markers were associated with genes, including 10 markers with putative disease resistance functions and LRR domains found on the subtelomeric or pericentromeric regions of 1RS.”
t0“wheat”
Claim · model-written summary
Line 179 is presented as useful for map-based cloning of resistance genes.
- Taxon
- wheatTriticum aestivume0
- Material
- Line '179'e0
- Outcome
- facilitate the map-based cloning of the resistance genese0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Line '179' will facilitate the map-based cloning of the resistance genes, and it can contribute to healthy eating and a more cost-efficient wheat production.”