Genome-wide QTL analysis of tomato fruit cuticle deposition and composition
作者机构：Instituto de Hortofruticultura Subtropical y Mediterranea La MayoraUniversidad de Malaga-Consejo Superior de Investigaciones CientificasDepartamento de Mejora Genetica y BiotecnologiaEstacion Experimental La MayoraAlgarrobo-CostaE-29750 MalagaSpain Instituto de Hortofruticultura Subtropical y Mediterranea La MayoraUniversidad de Malaga0Consejo Superior de Investigaciones CientificasDepartamento de Biologia Molecular y BioquimicaUniversidad de MalagaE-29071 MalagaSpain Departament de Bioquimica i Fisiologia and Institut de Recerca en Nutricioi Seguretat Alimentaria(INSA-UB)Universitat de Barcelona(UB)E-08028 BarcelonaSpain
出 版 物：《Horticulture Research》 (园艺研究（英文）)
年 卷 期：2021年第8卷第1期
页 面：1443-1457页
核心收录：
学科分类：0710[理学-生物学] 0831[工学-生物医学工程（可授工学、理学、医学学位）] 1001[医学-基础医学(可授医学、理学学位)] 09[农学] 0901[农学-作物学] 0703[理学-化学] 0836[工学-生物工程] 0902[农学-园艺学] 0834[工学-风景园林学（可授工学、农学学位）] 090202[农学-蔬菜学]
基 金：supported by grant RTI2018-094277-B/AEI/10.13039/501100011033 from Agencia Estatal de Investigacion Ministerio de Ciencia e Innovacion Spain co-financed by the European Regional Development Fund(ERDF)
主 题：cultivated traits additive
摘 要：Genetics of traits related to fruit cuticle deposition and composition was studied in two red-fruited tomato *** mapping populations derived from the cross between the cultivated tomato(Solanum lycopersicum L.)and its closest relative wild species Solanum pimpinellifolium *** employed to conduct a QTL analysis.A combination of fruit cuticle deposition,components and anatomical traits were investigated and the individual effect of each QTL evaluated.A total of 70 QTLs were identified,indicating that all the cuticle traits analyzed have a complex polygenic nature.A combination of additive and epistatic interactions was observed for all the traits,with positive contribution of both parental lines to most of *** of QTLs for various traits uncovered novel genomic regions producing extensive changes in the *** density emerges as an important trait since it can modulate cuticle thickness and invagination thus providing a strategy for sustaining mechanical strength without compromising *** genomic regions,located in chromosomes 1 and 12,are responsible for the negative interaction between cuticle waxes and phenolics identified in tomato *** candidate genes,including transcription factors and structural genes,are postulated and their expression analyzed throughout development.
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