Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis.

Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis. Research Abstract Details 

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Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis. Abstract Text:

C P Wight,S Kibite,N A Tinker,S J Molnar,

The degree of aluminium tolerance varies widely across cereal species, with oats (Avena spp.) being among the most tolerant. The objective of this study was to identify molecular markers linked to aluminium tolerance in the diploid oat A. strigosa. Restriction fragment length polymorphism markers were tested in regions where comparative mapping indicated the potential for orthologous quantitative trait loci (QTL) for aluminium tolerance in other grass species. Amplified fragment length polymorphism (AFLP) and sequence-characterized amplified region (SCAR) markers were used to provide additional coverage of the genome. Four QTL were identified. The largest QTL explained 39% of the variation and is possibly orthologous to the major gene found in the Triticeae as well as Alm1 in maize and a minor gene in rice. A second QTL may be orthologous to the Alm2 gene in maize. Two other QTL were associated with anonymous markers. Together, these QTL accounted for 55% of the variation. A SCAR marker linked to the major QTL identified in this study could be used to introgress the aluminium tolerance trait from A. strigosa into cultivated oat germplasm.

Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis. Publishing Authors By Initials

CP Wight,S Kibite,NA Tinker,SJ Molnar,

For similar genetic structures: genome: genome components: genes: quantitative trait loci research abstracts see: genetic structures: genome: genome components: genes: quantitative trait loci research

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Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: TAG. Theoretical and applied genetics. Theoretisch

VOLUME: 112

Page Numbers: 222-31

Journal Abbreviation: Theor. Appl. Genet.

ISSN: 0040-5752

DAY: 2

MONTH: 12

YEAR: 2005

Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis. Information

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LANGUAGE: eng

NlmUniqueID: 145600

Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis. Keywords Mesh Terms:

KEYWORDS: Quantitative Trait Loci

MESH TERMS: genetics

Chemical & Substance for Abstract: Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis. Information

Substance Name: Aluminum

Registry Number: 7429-90-5

Grant and Affiliation Information for Identification of molecular markers for aluminium tolerance in diploid oat through comparative mapping and QTL analysis.

AFFILIATION: Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, Central Experimental Farm, 960 Carling Ave., Ottawa, ON, K1A 0C6, Canada.

Country: Germany

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MEDLINETA: Theor Appl Genet

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