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Standard karyogram established according to the karyological rearrangments during the cereal grass evolution revealed by molecular markers (modified after Devos et al. (206)

Martis et al. (2013) demonstrated by moleclar means that rye is closely related to wheat  and barley. They established a virtual linear gene order model (using genome zipper) comprising 22,426 or 72% of the detected set of 31,008 rye genes. This was achieved by high-throughput transcript mapping, chromosome survey sequencing, and integration of conserved synteny information of three sequenced model grass genomes (Brachypodium distachyon, rice (Oryza sativa), and sorghum (Sorghum bicolor). This enabled a genome-wide high-density comparative analysis of rye/barley/model grass genome synteny. Seventeen conserved syntenic linkage blocks making up the rye and barley genomes were defined in comparison to model grass genomes. Six major translocations shaped the modern rye genome in comparison to a putative Triticeae ancestral genome. (490)

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