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Your search keyword '"Roses -- Genetic aspects"' showing total 2 results
Start Over Descriptor "Roses -- Genetic aspects" Publisher oxford university press
2 results on '"Roses -- Genetic aspects"'

1. Evolution by reticulation: European dogroses originated by multiple hybridization across the genus Rosa

Author

Ritz, C. M., Schmuths, H., and Wissemann, V.

Subjects
Allopolyploid -- Research, DNA -- Research, Roses -- Genetic aspects, Biological sciences
Abstract

Molecular evidence through analysis of nuclear ribosomal DNA data that dogroses are complex allopolyploids resulting from multiple hybridization events is reported. Findings reveal that the origin of pentaploid Caninae genome was originated from different members of nondogroses and the now extinct Protocaninae.

Published
2005

2. In situ hybridization of ribosomal DNA to rose chromosomes

Author

Ma, Y., Islam-Faridi, M.N., Crane, C.F., Ji, Y., Stelly, D.M., Price, H.J., and Byrne, D.H.

Subjects
In situ hybridization -- Usage, DNA -- Analysis, Roses -- Genetic aspects, Biological sciences
Abstract

Genomic in situ hybridization was performed to localize nucleolar organizer regions (NORs) bearing the 18S-26S ribosomal DNA repeat in a set of samples composed of five rose species and one tetraploid cultivar. Among the diploid species, one NOR per genome seen as a pair of strong subterminal signal was detected. The tetraploid rose cultivar, on the other hand, was shown to have four strong subterminal signals, thus, also representing one NOR per genome.

Published
1997

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