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GrainGenes Reference Report: GEN-138-1287

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Reference	GEN-138-1287
Title	Relationship between chromosome 9 of maize and wheat homeologous group 7 chromosomes
Journal	Genetics
Year	1994
Volume	138
Pages	1287-1292
Author	Devos K Chao S Li Q Simonetti M Gale M
Abstract	Comparison of the genetic map of maize chromosome 9 with maps of wheat chromosomes has revealed a high degree of colinearity between maize chromosome 9 and the group 4 and 7 chromosomes of wheat The order of DNA markers on the short arm and a proximal region of the long arm of the genetic map of maize chromosome 9 is highly conserved with the marker order on the short arm and proximal region of the long arm of the genetic maps of the wheat homeologous group 7 chromosomes A major part of the long arm of the genetic map of maize chromosome 9 is homeologous with a short segment in the proximal region of the long arm of the genetic map of the wheat group 4 chromosomes Evidence is also presented that maize chromosome 9 has diverged from the wheat group 7 chromosomes by both a pericentric and a paracentric inversion The paracentric inversion is probably unique to maize among the major cereal genomes.
Keyword	[ Hide all but 1 of 19 ] centromere chromosome chromosome-analysis chromosome-maps dna probes gene-mapping genetic markers genome-analysis homeologous-chromosomes inversion linkage-groups loci molecular-mapping paracentric-invertion pericentric-inversion southern-blotting sucrose-synthase triticum aestivum zea mays

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