Presence and organization of an osmotic stress response domain in wild Triticeae species |
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Authors: | J V Monte C Casanova C Soler |
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Institution: | (1) Department of Plant Breeding, SGIT-INIA, La Canaleja, P.O. Box 1045, 28800-Alcalá de Henares (Madrid), Spain, ES |
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Abstract: | Sixteen Triticeae species of the genera Aegilops L., Pseudoroegneria (Nevski) Löve, Taeniatherum Nevski and Thinopyrum Löve were investigated by PCR amplification for the presence of a wheat germin gene internal domain involved in osmotic stress resistance. In all of the species studied a single band of identical or very similar size was detected, After cloning and sequencing of these fragments, different degrees of homology were found with the original wheat domain, which suggested that in these species there are functional differences in the osmotic response involving the germin core. |
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Keywords: | Triticeae Osmotic stress PCR DNA sequence |
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