The targeted overexpression of SlCDF4 in the fruit enhances tomato size and yield involving gibberellin signalling.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
30 06 2020
30 06 2020
Historique:
received:
09
12
2019
accepted:
09
06
2020
entrez:
2
7
2020
pubmed:
2
7
2020
medline:
15
12
2020
Statut:
epublish
Résumé
Tomato is one of the most widely cultivated vegetable crops and a model for studying fruit biology. Although several genes involved in the traits of fruit quality, development and size have been identified, little is known about the regulatory genes controlling its growth. In this study, we characterized the role of the tomato SlCDF4 gene in fruit development, a cycling DOF-type transcription factor highly expressed in fruits. The targeted overexpression of SlCDF4 gene in the fruit induced an increased yield based on a higher amount of both water and dry matter accumulated in the fruits. Accordingly, transcript levels of genes involved in water transport and cell division and expansion during the fruit enlargement phase also increased. Furthermore, the larger amount of biomass partitioned to the fruit relied on the greater sink strength of the fruits induced by the increased activity of sucrose-metabolising enzymes. Additionally, our results suggest a positive role of SlCDF4 in the gibberellin-signalling pathway through the modulation of GA
Identifiants
pubmed: 32606421
doi: 10.1038/s41598-020-67537-x
pii: 10.1038/s41598-020-67537-x
pmc: PMC7326986
doi:
Substances chimiques
Gibberellins
0
Plant Proteins
0
Repressor Proteins
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
10645Références
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