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Title: Exploration of three Solanum species for improvement of antioxidant traits in tomato
Authors: Top, Oğuz
Bar, Cantuğ
Ökmen, Bilal
Yüce Özer, Duygu
Rusçuklu, Dane
Tamer, Nilüfer
Frary, Anne
Doğanlar, Sami
Keywords: Phenolic content
Solanum habrochaites
Solanum peruvianum
Vitamin C
Solanum pimpinellifolium
Issue Date: Aug-2014
Publisher: American Society for Horticultural Science
Source: Top, O., Bar, C., Ökmen, B., Özer, D. Y., Rusçuklu, D., Tamer, N., Frary, A., and Doğanlar, S. (2014). Exploration of three Solanum species for improvement of antioxidant traits in tomato. HortScience, 49(8), 1003-1009.
Abstract: Wild tomato species have been widely used for improvement of tomato disease resistance but have not been extensively explored for health-related traits. In this work, three interspecific populations derived from backcrosses between cultivated tomato and Solanum pimpinellifolium (LA1589), S. habrochaites (LA1223), and S. peruvianum (LA2172) were analyzed for water-soluble antioxidant activity, phenolic content, vitamin C content, and basic agronomic traits including fruit weight, shape, and color. The wild species accessions significantly exceeded S. lycopersicum for all three antioxidant traits with only one exception: vitamin C content in S. habrochaites LA1223. Several populations and traits showed transgressive segregation indicating that the backcross populations contained individuals with allele combinations that allowed antioxidant activity/content to exceed that of both parents. The S. habrochaites LA1223 population provided the best starting material for improvement of water-soluble antioxidant activity and phenolics content with 20% and 15% of the population, respectively, significantly exceeding the parental values for these traits. Moreover, the S. habrochaites population contained individuals that had nearly 2-fold more water-soluble antioxidant activity and phenolic content than cultivated tomato. The S. peruvianum LA2172 population was best for improvement of vitamin C content with 3-fold variation for the trait and individuals, which had twice as much vitamin C as cultivated tomato.
ISSN: 0018-5345
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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