The high fruit soluble sugar content in wild Lycopersicon species and their hybrids with cultivars depends on sucrose import during ripening rather than on sucrose metabolism

Functional Plant Biology : FPB
María E. BalibreaFrancisco Pérez-Alfocea

Abstract

Soluble sugar content has been studied in relation to sucrose metabolism in the hexose-accumulating cultivated tomato Lycopersicon esculentum Mill, the wild relative species Lycopersicon cheesmanii Riley, in the sucrose-accumulating wild relative species Lycopersicon chmielewskii Rick, Kesicky, Fobes & Holle. and in two hexose-accumulating interspecific F1 hybrids (L. esculentum × L. cheesmanii; L. esculentum × L. chmielewskii), cultivated under two irrigation regimes (control: EC = 2.1 and saline: EC = 8.4 dS m-1). Under control conditions the total soluble sugar content (as hexose equivalents) in the ripe fruits of L. cheesmanii was 3-fold higher than in L. esculentum, while L. chmielewskii and both F1 hybrids contained twice as much as the cultivar. With the exception of L. esculentum × L. cheesmanii, salinity increased the sugar content by 1.3 (wild species) and 1.7 times (cultivar and L. esculentum × L. chmielewskii) with respect to control fruits. Wild germplasm or salinity provided two different mechanisms for the increases in fruit sugar content. The hexoses accumulated in ripe fruits were strongly influenced by those accumulated at the start of ripening, but the hydrolysed starch before start of ripening only partially...Continue Reading

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Citations

May 28, 2019·Plant Biotechnology Journal·Sonia OsorioJocelyn K C Rose
Aug 30, 2008·Evolution; International Journal of Organic Evolution·Leonie C Moyle
Nov 28, 2013·Critical Reviews in Food Science and Nutrition·Md Wasim SiddiquiR S Dhua
Jan 28, 2016·Horticulture Research·Marco CirilliAngelo Ciacciulli
Jul 25, 2019·Plant Molecular Biology·Clesivan Pereira Dos SantosJosé Hélio Costa
May 15, 2020·Molecular Biology Reports·Mostapha MaachMaría Pilar Rodríguez-Rosales
Jun 22, 2017·Molecular Genetics and Genomics : MGG·M A SluginaE Z Kochieva
Jun 1, 2007·Functional Plant Biology : FPB·Katharina B BonfigThomas Roitsch
Oct 10, 2012·Plant Biotechnology Journal·John W PatrickRobert G Birch
Aug 30, 2014·Journal of Experimental Botany·Alfonso AlbaceteFrancisco Pérez-Alfocea
Dec 29, 2020·Journal of Experimental Botany·Carla Coluccio LeskowFernando Carrari
Oct 16, 2020·Scientific Reports·José G VallarinoAlisdair R Fernie
Nov 3, 2010·Journal of Agricultural and Food Chemistry·Kietsuda LuengwilaiDiane M Beckles

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Methods Mentioned

BETA
genetic transformation
salt treatment
transgenic

Software Mentioned

SPSS

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