title: Fruit growth-related genes in tomato.
abstract: Tomato (Solanum lycopersicum Mill.) represents a model species for all fleshy fruits due to its biological cycle and the availability of numerous genetic and molecular resources. Its importance in human nutrition has made it one of the most valuable worldwide commodities. Tomato fruit size results from the combination of cell number and cell size, which are determined by both cell division and expansion. As fruit growth is mainly driven by cell expansion, cells from the (fleshy) pericarp tissue become highly polyploid according to the endoreduplication process, reaching a DNA content rarely encountered in other plant species (between 2C and 512C). Both cell division and cell expansion are under the control of complex interactions between hormone signalling and carbon partitioning, which establish crucial determinants of the quality of ripe fruit, such as the final size, weight, and shape, and organoleptic and nutritional traits. This review describes the genes known to contribute to fruit growth in tomato.
authors.affiliation: University of Bordeaux, UMR1332 Biologie du Fruit et Pathologie, INRA Bordeaux Aquitaine, CS20032, F-33882 Villenave d'Ornon cedex, France.
authors.forename: Lamia
authors.initials: L
authors.lastname: Azzi
authors.affiliation: University of Bordeaux, UMR1332 Biologie du Fruit et Pathologie, INRA Bordeaux Aquitaine, CS20032, F-33882 Villenave d'Ornon cedex, France.
authors.forename: Cynthia
authors.initials: C
authors.lastname: Deluche
authors.affiliation: University of Bordeaux, UMR1332 Biologie du Fruit et Pathologie, INRA Bordeaux Aquitaine, CS20032, F-33882 Villenave d'Ornon cedex, France.
authors.forename: Frédéric
authors.initials: F
authors.lastname: Gévaudant
authors.affiliation: University of Bordeaux, UMR1332 Biologie du Fruit et Pathologie, INRA Bordeaux Aquitaine, CS20032, F-33882 Villenave d'Ornon cedex, France.
authors.forename: Nathalie
authors.initials: N
authors.lastname: Frangne
authors.affiliation: University of Bordeaux, UMR1332 Biologie du Fruit et Pathologie, INRA Bordeaux Aquitaine, CS20032, F-33882 Villenave d'Ornon cedex, France.
authors.forename: Frédéric
authors.initials: F
authors.lastname: Delmas
authors.affiliation: University of Bordeaux, UMR1332 Biologie du Fruit et Pathologie, INRA Bordeaux Aquitaine, CS20032, F-33882 Villenave d'Ornon cedex, France.
authors.forename: Michel
authors.initials: M
authors.lastname: Hernould
authors.affiliation: INRA, UMR1332 Biologie du Fruit et Pathologie, INRA Bordeaux Aquitaine, CS20032, F-33882, Villenave d'Ornon cedex, France chevalie@bordeaux.inra.fr.
authors.forename: Christian
authors.initials: C
authors.lastname: Chevalier
mesh_terms: D002453:Cell Cycle; D002455:Cell Division; D049109:Cell Proliferation; D048429:Cell Size; D062951:Endoreduplication; D005638:Fruit / Q000235:genetics* / Q000254:growth & development; D018507:Gene Expression Regulation, Developmental / Q000235:genetics; D018506:Gene Expression Regulation, Plant / Q000235:genetics*; D018551:Solanum lycopersicum / Q000235:genetics* / Q000254:growth & development; D011123:Polyploidy
keywords: Cell cycle; cell division; cell expansion; development; endoreduplication; fruit; genetic control; growth; hormones; metabolic control; tomato.