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Rosaceae genetics and genomics
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Overview
We are interested in different aspects of Rosaceae genome organization, variability and evolution that help to elucidate the genetics of important agricultural traits. The species studied include peach and strawberry as major crops and almond, apricot, Japanese plum, cherry, apple, pear, raspberry and blackberry as secondary related crops. Our aim is to apply this information to develop tools, as high quality markers for markers assisted selection (MAS) and genetic materials (including collections of introgression lines), to improve plant breeding efficiency in tight collaboration with breeding companies.
In fruit trees, we conduct linkage mapping and genome-wide association studies using existing genetic variability in wild or cultivated relatives and high density markers derived from next-generation sequencing (NGS) technologies, as well as comparative genome analysis between different rosaceous species. We are interested in understanding the genetics of fruit quality, resistance to biotic and abiotic stress and other agronomic traits, and developing strategies for fast and efficient introgression of valuable genes into high quality cultivars.
In berries, we are especially interested in understanding the genetics of fruit quality traits. In strawberry we focus on the comparison of the genomes of diploid (wild) and octoploid (cultivated) strawberries, to characterize QTLs associated with fruit flavor, including sugar, aromas and polyphenol content. We are also exploring the use of genomic selection strategies to improve the cultivated strawberry.
Selected Publications
Foster, T.M., Aranzana, M.J.
Attention sports fans! the far-reaching contributions of bud sport mutants to horticulture and plant biology
(2018) Horticulture Research, vol. 5 (1), Art. number 44
Cantín, C.M., Arús, P., Eduardo, I.
Identification of a new allele of the Dw gene causing brachytic dwarfing in peach
(2018) BMC Research Notes, vol. 11 (1), Art. number 386
Urrutia, M., Rambla, J.L., Alexiou, K.G., Granell, A., Monfort, A.
Genetic analysis of the wild strawberry (Fragaria vesca) volatile composition
(2017) Plant Physiology and Biochemistry, vol. 121, pp. 99-117
Tenreira, T., Pimenta Lange, M.J., Lange, T., Bres, C., Labadie, M., Monfort, A., Hernould, M., Rothan, C., Denoyes, B.
A specific gibberellin 20-oxidase dictates the flowering-runnering decision in diploid strawberry
(2017) Plant Cell, vol. 29 (9), pp. 2168-2182
López-Girona, E., Zhang, Y., Eduardo, I., Mora, J.R.H., Alexiou, K.G., Arús, P., Aranzana, M.J.
A deletion affecting an LRR-RLK gene co-segregates with the fruit flat shape trait in peach
(2017) Scientific Reports, vol. 7 (1), Art. number 6714
Serra, O., Giné-Bordonaba, J., Eduardo, I., Bonany, J., Echeverria, G., Larrigaudière, C., Arús, P.
Genetic analysis of the slow-melting flesh character in peach
(2017) Tree Genetics and Genomes, vol. 13 (4), Art. number 77
Hernández Mora, J.R., Micheletti, D., Bink, M., Van de Weg, E., Cantín, C., Nazzicari, N., Caprera, A., Dettori, M.T., Micali, S., Banchi, E., Campoy, J.A., Dirlewanger, E., Lambert, P., Pascal, T., Troggio, M., Bassi, D., Rossini, L., Verde, I., Quilot-Turion, B., Laurens, F., Arús, P., Aranzana, M.J.
Integrated QTL detection for key breeding traits in multiple peach progenies
(2017) BMC Genomics, vol. 18 (1), Art. number 404
Serra, O., Donoso, J.M., Picañol, R., Batlle, I., Howad, W., Eduardo, I., Arús, P.
Marker-assisted introgression (MAI) of almond genes into the peach background: a fast method to mine and integrate novel variation from exotic sources in long intergeneration species
(2016) Tree Genetics and Genomes, vol. 12 (5), Art. number 96
Donoso, J.M., Picañol, R., Serra, O., Howad, W., Alegre, S., Arús, P., Eduardo, I.
Exploring almond genetic variability useful for peach improvement: mapping major genes and QTLs in two interspecific almond × peach populations
(2016) Molecular Breeding, vol. 36 (2), Art. number 16, pp. 1-17
Micheletti, D., Dettori, M.T., Micali, S., Aramini, V., Pacheco, I., Da Silva Linge, C., Foschi, S., Banchi, E., Barreneche, T., Quilot-Turion, B., Lambert, P., Pascal, T., Iglesias, I., Carbó, J., Wang, L.-R., Ma, R.-J., Li, X.-W., Gao, Z.-S., Nazzicari, N., Troggio, M., Bassi, D., Rossini, L., Verde, I., Laurens, F., Arús, P., Joséaranzana, M.
Whole-genome analysis of diversity and SNP-major gene association in peach germplasm
(2015) PLoS ONE, vol. 10 (9), Art. number e0136803
Eduardo, I., Picañol, R., Rojas, E., Batlle, I., Howad, W., Aranzana, M.J., Arús, P.
Mapping of a major gene for the slow ripening character in peach: co-location with the maturity date gene and development of a candidate gene-based diagnostic marker for its selection
(2015) Euphytica, vol. 205 (2), pp. 627-636
Urrutia, M., Bonet, J., Arús, P., Monfort, A.
A near-isogenic line (NIL) collection in diploid strawberry and its use in the genetic analysis of morphologic, phenotypic and nutritional characters
(2015) Theoretical and Applied Genetics, vol. 128 (7), pp. 1261-1275