GrainGenes Reference Report: TAG-104-513
Reference
TAG-104-513
Title
Is the Mnr locus of Triticeae species the same as the Ndh and Dia loci?
Journal
Theoretical and Applied Genetics
Year
2002
Volume
104
Pages
513-517
Author
Pueyo A Figueiras AM Benito C
Abstract
Summary: The menadione reductase (MNR), the nicotinamide adenine dinucleotide dehydrogenase (NDH) and diaphorase (DIA) isozymes were studied in the allohexaploid Triticum aestivum cv 'Chinese Spring' and in five diploid Triticeae species. The Mnr1, Ndh3 and Dia1 loci were located on the chromosome arms 3AL, 3BL and 3DL of T. aestivum, respectively. These loci were also located on the 3H chromosome of Hordeum vulgare cv 'Betzes', the 3L chromosome of Aegilops longissima and the 6RL chromosome arm of Secale cereale cv 'Imperial'. The chromosomal location results together with the segregation studies support a tetrameric behaviour of the MNR1, NDH3 and DIA1 isozymes. The Ndh1 and Dia3 loci were located on homoeologous group 4 showing a monomeric behaviour. The chromosomal locations and linkage data of the Mnr, Ndh and Dia loci suggest that Mnr1=Ndh3=Dia1; Ndh1=Dia3 and Ndh2=Dia2
External Databases
http://link.springer.de/link/service/journals/00122/papers/2104004/21040513.pdf
Keyword
GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture.
GrainGenes Reference Report: TAG-104-513
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||