Genetics of CM-proteins (A-hordeins) in barley

Salcedo Duran, Gabriel and Fra-Mon, P. and Molina Cano, J.L. and Aragoncillo Ballesteros, Cipriano and García Olmedo, Francisco (1984). Genetics of CM-proteins (A-hordeins) in barley. "TAG Theorical and Applied Genetics", v. 68 (n. 1-2); pp. 53-59. ISSN 0040-5752.


Title: Genetics of CM-proteins (A-hordeins) in barley
  • Salcedo Duran, Gabriel
  • Fra-Mon, P.
  • Molina Cano, J.L.
  • Aragoncillo Ballesteros, Cipriano
  • García Olmedo, Francisco
Item Type: Article
Título de Revista/Publicación: TAG Theorical and Applied Genetics
Date: May 1984
Volume: 68
Freetext Keywords: Hordeins - Genes encoding proteins - Homeology of chromosomes - Lysine - Barley - Hordeum
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Biotecnologia [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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The CM-proteins, which are the main components of the A-hordeins, include four previously described proteins (CMa-1, CMb-1, CMc-1, CMd-1), plus a new one, CMe-1, which has been tentatively included in this group on the basis of its solubility properties and electrophoretic mobility. The variability of the five proteins has been investigated among 38 Hordeum vulgare cultivars and 17 H. spontaneum accessions. Proteins CMa-1, CMc-1 and CMd-1 were invariant within the cultivated species; CMd was also invariant in the wild one. The inheritance of variants CMb-1/CMb-2 and CMe-1/CMe-2,2 was studied in a cross H. spontaneum x H. vulgare. The first two proteins were inherited as codominantly expressed allelic variations of a single mendelian gene. Components CMe-2,2 were jointly inherited and codominantly expressed with respect to CMe-1. Gene CMb and gene(s) CMe were found to be unlinked. The chromosomal locations of genes encoding CM-proteins were investigated using wheat-barley addition lines. Genes CMa and CMc were associated with chromosome 1, and genes CMb and CMd with chromosome 4. These gene locations further support the proposed homoeology of chromosomes 1 and 4 of barley with chromosomes groups 7 and 4 of wheat, respectively. Gene(s) CMe has been assigned to chromosome 3 of barley. The accumulation of protein CMe-1 is totally blocked in the high lysine mutant Riso 1508 and partially so in the high lysine barley Hiproly.

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Item ID: 5920
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Deposited by: Memoria Investigacion
Deposited on: 08 Feb 2011 10:01
Last Modified: 20 Apr 2016 14:36
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