Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars
5 paginas, 2 figuras y 2 tablas estasísticas
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| Format: | artículo biblioteca |
| Language: | English |
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National Research Council Canada
2008-04-03
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| Subjects: | Heterodera avenae, Pyramiding, Aegilops, Triticum aestivum, |
| Online Access: | http://hdl.handle.net/10261/82776 |
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dig-ica-es-10261-827762020-09-17T07:44:29Z Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars Montes, M. J. Andrés, Mª Fé Sin, Esther López-Braña, I. Martín-Sánchez, J. A. Romero, M. Dolores Delibes, Ángeles Heterodera avenae Pyramiding Aegilops Triticum aestivum 5 paginas, 2 figuras y 2 tablas estasísticas Cereal cyst nematode (CCN; Heterodera avenae Woll.) is a root pathogen of cereal crops that can cause severe yield losses in wheat (Triticum aestivum). Differential host–nematode interactions occur in wheat cultivars carrying different CCN resistance (Cre) genes. The objective of this study was to determine the CCN resistance conferred by the Cre7 gene from Aegilops triuncialis in a 42-chromosome introgression line and to assess the effects of the Cre1, Cre3,Cre4, and Cre8 genes present in Australian wheat lines on Spanish pathotype Ha71. Inhibition of nematode reproduction was rank-ordered as Cre1 ≥ Cre4 ≥ Cre7 >> Cre8 > Cre3. Lines carrying Cre1, Cre4, or Cre7 exhibited a significantly higher level of resistance than those carrying Cre8 or Cre3. Allelism tests indicated that Cre7 segregated independently of Cre1 on chromosome 2BL and Cre4 on chromosome 2DL, and these genes could consistently be combined in the same genotype, inducing a more durable resistance. Tests to determine the chromosomal location of Cre7 using addition lines were inconclusive. AGL2004-06791-C04 from the Ministerio de Ciencia y Tecnología of Spain Peer reviewed 2013-09-25T10:32:44Z 2013-09-25T10:32:44Z 2008-04-03 artículo http://purl.org/coar/resource_type/c_6501 Genome 51(5): 315-319 (2008) 0831-2796 http://hdl.handle.net/10261/82776 10.1139/G08-015 1480-3321 en http://dx.doi.org/ 10.1139/G08-015 none National Research Council Canada |
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Heterodera avenae Pyramiding Aegilops Triticum aestivum Heterodera avenae Pyramiding Aegilops Triticum aestivum |
| spellingShingle |
Heterodera avenae Pyramiding Aegilops Triticum aestivum Heterodera avenae Pyramiding Aegilops Triticum aestivum Montes, M. J. Andrés, Mª Fé Sin, Esther López-Braña, I. Martín-Sánchez, J. A. Romero, M. Dolores Delibes, Ángeles Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars |
| description |
5 paginas, 2 figuras y 2 tablas estasísticas |
| format |
artículo |
| topic_facet |
Heterodera avenae Pyramiding Aegilops Triticum aestivum |
| author |
Montes, M. J. Andrés, Mª Fé Sin, Esther López-Braña, I. Martín-Sánchez, J. A. Romero, M. Dolores Delibes, Ángeles |
| author_facet |
Montes, M. J. Andrés, Mª Fé Sin, Esther López-Braña, I. Martín-Sánchez, J. A. Romero, M. Dolores Delibes, Ángeles |
| author_sort |
Montes, M. J. |
| title |
Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars |
| title_short |
Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars |
| title_full |
Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars |
| title_fullStr |
Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars |
| title_full_unstemmed |
Cereal cyst nematode resistance conferred by the Cre7 gene from Aegilops triuncialis and its relationship with Cre genes from Australian wheat cultivars |
| title_sort |
cereal cyst nematode resistance conferred by the cre7 gene from aegilops triuncialis and its relationship with cre genes from australian wheat cultivars |
| publisher |
National Research Council Canada |
| publishDate |
2008-04-03 |
| url |
http://hdl.handle.net/10261/82776 |
| work_keys_str_mv |
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