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Hernandez Lucas, Carlos and Fernandez de Caleya, R. and Carbonero Zalduegui, Pilar and García Olmedo, Francisco (1977). Control of galactosyl-diglycerides in wheat endosperm by group 5 chromosomes. "Genetics", v. 85 (n. 3); pp. 521-527. ISSN 0016-6731.
Title: | Control of galactosyl-diglycerides in wheat endosperm by group 5 chromosomes |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Genetics |
Date: | March 1977 |
ISSN: | 0016-6731 |
Volume: | 85 |
Subjects: | |
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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Lower levels of monogalactosyl diglyceride (MGDG) and digalactosyl diglyceride (DGDG) have been found in tetraploid wheats as compared with those in hexaploid wheats. The same difference has been found between hexaploid cultivars and tetraploid lines derived from them by D genome extraction. A lower level of MGDG and DGDG is also present in Triticum carthlicum (AABB) as compared with Aegilops squarrosa (DD) or with the synthetic T. spelta (AABBDD) obtained from them. Analysis of the appropriate nullitetrasomic and ditelosomic lines indicates that a gene or genes located in the short arm of chromosome 5D are responsible for the observed difference and that group 5 chromosomes can be ranked as to their influence on the MGDG and DGDG levels in the order 5B > 5D > 5A and 5D > 5B > 5A, respectively. These results further support our previous identification of DGDG as the lipid factor responsible for petroleum ether solubility of lipopurothionins. Since DGDG contributes to baking quality by improving the retention of fermentation gases, the present observations imply that the difference in bread-making quality between the two types of wheat is not due only to proteins contributed by the D genome
Item ID: | 7631 |
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DC Identifier: | http://oa.upm.es/7631/ |
OAI Identifier: | oai:oa.upm.es:7631 |
Official URL: | http://www.genetics.org/content/85/3/521.short |
Deposited by: | Memoria Investigacion |
Deposited on: | 20 Jun 2011 09:38 |
Last Modified: | 22 Sep 2014 10:31 |