Evidence map›Paper›PMID 28633340›Full record

ArticleJournal of experimental botany2017

Citrus CitNAC62 cooperates with CitWRKY1 to participate in citric acid degradation via up-regulation of CitAco3.

Shao-Jia Li, Xue-Ren Yin, Wen-Li Wang, Xiao-Fen Liu, Bo Zhang, Kun-Song Chen

Abstract read
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Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

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43citing papers in PubMed
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1 · What the graph read from it

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

Who cites it

43 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Shao-Jia LiCollege of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China.
Xue-Ren YinCollege of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China.
Wen-Li WangCollege of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China.
Xiao-Fen LiuCollege of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China.
Bo ZhangCollege of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China.
Kun-Song ChenCollege of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Citric acid is the predominant organic acid of citrus fruit. Degradation of citric acid occurs during fruit development, influencing fruit acidity. Associations of CitAco3 transcripts and citric acid degradation have been reported for citrus fruit. Here, transient overexpression of CitAco3 significantly reduced the citric acid content of citrus leaves and fruits. Using dual luciferase assays, it was shown that CitNAC62 and CitWRKY1 could transactivate the promoter of CitAco3. Subcellular localization results showed that CitWRKY1 was located in the nucleus and CitNAC62 was not. Yeast two-hybrid analysis and bimolecular fluorescence complementation (BiFC) assays indicated that the two differently located transcription factors could interact with each other. Furthermore, BiFC showed that the protein-protein interaction occurred only in the nucleus, indicating the potential mobility of CitNAC62 in plant cells. A synergistic effect on citrate content was observed between CitNAC62 and CitWRKY1. Transient overexpression of CitNAC62 or CitWRKY1 led to significantly lower citrate content in citrus fruit. The combined expression of CitNAC62 and CitWRKY1 resulted in lower citrate content compared with the expression of CitNAC62 or CitWRKY1 alone. The transcript abundance of CitAco3 was consistent with the citrate content. Thus, we propose that a complex of CitWRKY1 and CitNAC62 contributes to citric acid degradation in citrus fruit, potentially via modulation of CitAco3.

Indexed as

Gene Expression Regulation, PlantCitric AcidCitrusPlant ProteinsTranscriptional ActivationTranscription FactorsCitric AcidPlant ProteinsTranscription FactorsAconitaseCitNAC62citric acidCitWRKY1protein–protein interactiontranscriptional regulation

Identifiers

PMID28633340
PMCPMC5853897

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.