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GrainGenes Reference Report: HER-73-500

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Reference	HER-73-500
Title	Comparative genome mapping of sugar cane with other species within the Andropogoneae tribe
Journal	Heredity
Year	1994
Volume	73
Pages	500-508
Author	Grivet L [ Show all 6 ]
Abstract	Comparative mapping within the tribe Andropogoneae has recently progressed with the development of mapped maize genomic probes that can be used for sorghum and sugar cane genomes In the present study, data from previous reports were used to locate various linkage groups of sugar cane and sorghum on the genomic map of maize Syntenic genome regions in the three plants were determined according to existing bridge-loci The distribution of these synteny clusters closely matched the duplication pattern in maize In several cases, the two arms of a single maize chromosome corresponded to at least two synteny clusters There seem to be common chromosome rearrangements between maize and sugar cane and between maize and sorghum In this respect, sugar cane and sorghum appear to be more closely related than either one with maize. A more detailed analysis of two synteny clusters was undertaken using recent sugar cane data to compare gene orders and recombination rates of the three plants. The three genomes showed colinearity in these regions. Distances between genes were similar in maize and sorghum, whereas sugar cane tended to display less recombination, at least in the varietal progeny investigated.
Keyword	chromosome-analysis [ Show all 16 ]

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