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Electronic Journal of Biotechnology
Universidad Católica de Valparaíso
ISSN: 0717-3458
Vol. 13, No. 4, 2010
Bioline Code: ej10043
Full paper language: English
Document type: Report
Document available free of charge

Electronic Journal of Biotechnology, Vol. 13, No. 4, 2010

 en Mapping aluminum tolerance loci in cereals: A tool available for crop breeding
Inostroza-Blancheteau, Claudio; Soto, Braulio; Ibáñez, Cristian; Ulloa, Pilar; Aquea, Felipe; Arce-Johnson, Patricio & Reyes-Díaz, Marjorie


Aluminum (Al) toxicity is the main factor limiting crop productivity in acidic soils around the world. In cereals, this problem reduces crop yields by 30-40%. The use of DNA-based markers linked to phenotypic traits is an interesting alternative approach. Strategies such as molecular marker-assisted selection (MAS) in conjunction with bioinformatics-based tools such as graphical genotypes (GGT) have been important for confirming introgression of genes or genomic regions in cereals but also to reduce the time and cost of identifying them through genetic selection. These biotechnologies also make it possible to identify target genes or quantitative trait loci (QTL) that can be potentially used in similar crops to increase their productivity. This review presents the main advances in the genetic improvement of cereals for Al-tolerance.

ALMT1, aluminum tolerance, cereals, marker-assisted selection, organic acid.

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