A modified Giemsa C-banding technique for Hordeum species. 1978

K Noda, and K J Kasha

A Giemsa C-banding technique with a hot 1 N HCl hydrolysis step has been developed for barley chromosomes. This step makes it easy to obtain well separated C-banded chromosomes. To compare this technique with other C-banding techniques, chromosomes of H. vulgare cv. York were stained by both this technique and a modification of the technique of Kimber et al. (1976). With respect to centromeric and intercalary bands, both techniques produce a similar banding pattern, but telomeric bands observed by the modified technique of Kimber et al. (1976) were not detected by our procedure. This indicates that telomeric heterochromatin may be different chemically and/or structurally from the centromeric and intercalary heterochromatin and its appearance dependent upon the C-banding technique. The procedure described provides a relatively rapid technique for C-banding of barley chromosomes.

UI MeSH Term Description Entries
D010640 Phenothiazines Compounds containing dibenzo-1,4-thiazine. Some of them are neuroactive.
D002523 Edible Grain SEEDS used as a major nutritional source, most often the grain from the POACEAE family. Cereals,Cereal Grain,Cereal,Cereal Grains,Edible Grains,Grain, Cereal,Grain, Edible,Grains, Cereal,Grains, Edible
D002871 Chromosome Banding Staining of bands, or chromosome segments, allowing the precise identification of individual chromosomes or parts of chromosomes. Applications include the determination of chromosome rearrangements in malformation syndromes and cancer, the chemistry of chromosome segments, chromosome changes during evolution, and, in conjunction with cell hybridization studies, chromosome mapping. Banding, Chromosome,Bandings, Chromosome,Chromosome Bandings
D002875 Chromosomes In a prokaryotic cell or in the nucleus of a eukaryotic cell, a structure consisting of or containing DNA which carries the genetic information essential to the cell. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Chromosome
D001399 Azure Stains PHENOTHIAZINES with an amino group at the 3-position that are green crystals or powder. They are used as biological stains. Giemsa Stain,Giemsa-11,Giemsa 11,Stain, Giemsa,Stains, Azure
D001467 Hordeum A plant genus of the family POACEAE. The EDIBLE GRAIN, barley, is widely used as food. Barley,Hordeum vulgare

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