Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/1884
Title: Advanced backcross QTL analysis of a Lycopersicon esculentum x L. pennellii cross and identification of possible orthologs in the Solanaceae
Authors: Frary, Anne
Fulton, Theresa M.
Zamir, Dani
Tanksley, Steven D.
Frary, Anne
Izmir Institute of Technology. Molecular Biology and Genetics
Keywords: Alleles
Molecular markers
Biomarkers
Fruits
Genes
Issue Date: Feb-2004
Publisher: Springer Verlag
Source: Frary, A., Fulton, T. M., Zamir, D., and Tanksley, S. D. (2004). Advanced backcross QTL analysis of a Lycopersicon esculentum x L. pennellii cross and identification of possible orthologs in the Solanaceae. Theoretical and Applied Genetics, 108(3), 485-496. doi:10.1007/s00122-003-1422-x
Abstract: In this study, the advanced backcross QTL (AB-QTL) mapping strategy was used to identify loci for yield, processing and fruit quality traits in a population derived from the interspecific cross Lycopersicon esculentum E6203 x Lycopersicon pennellii accession LA1657. A total of 175 BC2 plants were genotyped with 150 molecular markers and BC2F1 plots were grown and phenotyped for 25 traits in three locations in Israel and California, U.S.A. A total of 84 different QTLs were identified, 45% of which have been possibly identified in other wild-species-derived populations of tomato. Moreover, three fruit-weight/size and shape QTLs (fs2b.1, fw3.1/fsz3.1 andfs8.1) appear to have putative orthologs in the related solanaceous species, pepper and eggplant. For the 23 traits for which allelic effects could be deemed as favorable or unfavorable, 26% of the identified loci had L. pennellii alleles that enhanced the performance of the elite parent. Alleles that could be targeted for further introgression into cultivated tomato were also identified.
URI: http:doi.org/10.1007/s00122-003-1422-x
http://hdl.handle.net/11147/1884
ISSN: 0040-5752
0040-5752
1432-2242
Appears in Collections:Molecular Biology and Genetics / Moleküler Biyoloji ve Genetik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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