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Ectopic Expression of CDF3 Genes in Tomato Enhances Biomass Production and Yield under Salinity Stress Conditions

Overview of attention for article published in Frontiers in Plant Science, May 2017
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Title
Ectopic Expression of CDF3 Genes in Tomato Enhances Biomass Production and Yield under Salinity Stress Conditions
Published in
Frontiers in Plant Science, May 2017
DOI 10.3389/fpls.2017.00660
Pubmed ID
Authors

Begoña Renau-Morata, Rosa V. Molina, Laura Carrillo, Jaime Cebolla-Cornejo, Manuel Sánchez-Perales, Stephan Pollmann, José Domínguez-Figueroa, Alba R. Corrales, Jaume Flexas, Jesús Vicente-Carbajosa, Joaquín Medina, Sergio G. Nebauer

Abstract

Cycling Dof Factor (CDF) transcription factors (TFs) are involved in multiple processes related to plant growth and development. A member of this family, CDF3, has recently been linked in Arabidopsis to the regulation of primary metabolism and abiotic stress responses, but its role in crop production under stress is still unknown. In this study, we characterized tomato plants overexpressing the CDF3 genes from Arabidopsis and tomato and analyzed their effects on growth and yield under salinity, additionally gaining deeper insights into the molecular function of these TFs. Our results provide evidence for higher biomass production and yield in the 35S::AtCDF3 and 35S::SlCDF3 plants, likely due to a higher photosynthetic capacity resulting in increased sucrose availability. Transcriptome analysis revealed that CDF3 genes regulate a set of genes involved in redox homeostasis, photosynthesis performance and primary metabolism that lead to enhanced biomass production. Consistently, metabolomic profiling revealed that CDF3 evokes changes in the primary metabolism triggering enhanced nitrogen assimilation, and disclosed that the amount of some protective metabolites including sucrose, GABA and asparagine were higher in vegetative tissues of CDF3 overexpressing plants. Altogether these changes improved performance of 35S::AtCDF3 and 35S::SlCDF3 plants under salinity conditions. Moreover, the overexpression of CDF3 genes modified organic acid and sugar content in fruits, improving variables related to flavor perception and fruit quality. Overall, our results associate the CDF3 TF with a role in the control of growth and C/N metabolism, and highlight that overexpression of CDF3 genes can substantially improve plant yield.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 48 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Netherlands 1 2%
Unknown 47 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 15%
Professor > Associate Professor 5 10%
Lecturer 4 8%
Student > Master 4 8%
Student > Bachelor 3 6%
Other 9 19%
Unknown 16 33%
Readers by discipline Count As %
Agricultural and Biological Sciences 16 33%
Biochemistry, Genetics and Molecular Biology 8 17%
Linguistics 1 2%
Environmental Science 1 2%
Medicine and Dentistry 1 2%
Other 1 2%
Unknown 20 42%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 May 2017.
All research outputs
#18,546,002
of 22,968,808 outputs
Outputs from Frontiers in Plant Science
#13,905
of 20,408 outputs
Outputs of similar age
#236,679
of 310,917 outputs
Outputs of similar age from Frontiers in Plant Science
#460
of 597 outputs
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So far Altmetric has tracked 20,408 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 20th percentile – i.e., 20% of its peers scored the same or lower than it.
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