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GrainGenes Reference Report: GNM-45-100

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Reference	GNM-45-100
Title	Genetic and physical mapping of Lrk10-like receptor kinase sequences in hexaploid oat (Avena sativa L.)
Journal	Genome
Year	2002
Volume	45
Pages	100-109
Author	Cheng DW [ Show all 8 ]
Abstract	Summary: Oat receptor-like kinase gene sequences, homologous to the Lrk10 gene from wheat (Triticum aestivum L.), were mapped in oat (Avena sativa L.). PCR primers designed from the wheat Lrk10 were used to produce ALrk10 from oat. Two DNA sequences, ALrk1A1 and ALrk4A5, were produced from primers designed from coding and non-coding regions of ALrk10. Their use as RFLP probes indicated that the kinase genes mapped to four loci on different hexaploid oat 'Kanota' x 'Ogle' linkage groups (4_12, 5, 6, and 13) and to a fifth locus unlinked to other markers. Three of these linkage groups contain a region homologous to the short arm of chromosome 1 of wheat and the fourth contains a region homologous to chromosome 3 of wheat. Analysis with several nullisomics of oat indicated that two of the map locations are on satellite chromosomes. RFLP mapping in a 'Dumont' x 'OT328' population indicated that one map location is closely linked to Pg9, a resistance gene to oat stem rust (Puccinia graminis subsp. avenae). Comparative mapping indicates this to be the region of a presumed cluster of crown rust (Puccinia coronata subsp. avenae) and stem rust resistance genes (Pg3, Pg9, Pc44, Pc46, Pc50, Pc68, Pc95, and PcX). The map position of several RGAs located on KO6 and KO3_38 with respect to Lrk10 and storage protein genes are also reported
External Databases	https://doi.org/10.1139/g01-135
Locus	11AB4_3RI [ Show all 9 ]
Map Data	Oat-2002-KxO
Probe	RGA_11ab4 Alrk1A1
Keyword	[ Hide all but 1 of 68 ] avena avena sativa canada chromosomal location chromosome cluster comparative mapping conferring resistance crown crown rust crown-rust resistance cultivated oat diploid avena dna dna sequence endosperm proteins gene gene sequence graminis hexaploid hexaploid oat kanota kinase linkage linkage group linkage map loci locus map map location mapping marker molecular markers noncoding regions oat pcr pcr primers physical mapping population position primer probes protein puccinia puccinia coronata puccinia graminis receptor receptor kinase region resistance resistance gene rflp rflp mapping rga rgas rust rust resistance rust resistance gene satellite sequence stem stem rust stem rust resistance storage storage protein storage protein genes triticum triticum aestivum

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