Effect of hot air treatment on organic acid- and sugar-metabolism in Ponkan (Citrus reticulata) fruit

Publication Overview
TitleEffect of hot air treatment on organic acid- and sugar-metabolism in Ponkan (Citrus reticulata) fruit
AuthorsChen M, Jiang Q, Yin X, Lin Q, Chen J, Allan AC, Xu C, Chen K
TypeJournal Article
Journal NameScientia horticulturae
Volume12
Year2012
Page(s)118-125
CitationChen M, Jiang Q, Yin X, Lin Q, Chen J, Allan AC, Xu C, Chen K. Effect of hot air treatment on organic acid- and sugar-metabolism in Ponkan (Citrus reticulata) fruit. Scientia horticulturae. 2012; 12:118-125.

Abstract

Organic acid and sugar balance is an important trait for fruit quality. The mandarin, Ponkan (Citrus reticulata Blanco cv. Ponkan) is rich in organic acids even at maturity, thus the fruit provide good material for the study of organic acid degradation. In the present research, hot air (40°C, 2d) treatment (HAT) was found to have significant effects on both degradation of the organic acids, especially on citric acid, and accumulation of soluble sugars, especially on fructose and glucose. Genes related to citric acid degradation related (CitAco1, CitAco2, CitAco3, CitIDH1, CitIDH2, CitIDH3, CitGAD4, CitGAD5 and CitGS2) and sucrose metabolism (CitAI1, CitAI3, CitNI1 and CitNI3) were isolated and transcription analyzed. HAT significantly up-regulated CitAco3, CitIDH2/3 and CitGAD4 expression, while having little effect on CitGS2. Sucrose metabolism related genes also differentially responded to HAT, with CitAI genes were induced and CitNI genes were relatively unchanged. It is proposed that HAT drove citric acid degradation via the GABA shunt pathway (especially by modulating CitAco3–CitIDH2/3–CitGAD4 cascade), but not the glycolysis pathway.
Features
This publication contains information about 14 features:
Feature NameUniquenameType
CitAco1CitAco1genetic_marker
CitAco2CitAco2genetic_marker
CitAco3CitAco3genetic_marker
CitACTCitACTgenetic_marker
CitAI1CitAI1genetic_marker
CitAI3CitAI3genetic_marker
CitGAD4CitGAD4genetic_marker
CitGAD5CitGAD5genetic_marker
CitGS2CitGS2genetic_marker
CitIDH1CitIDH1genetic_marker
CitIDH2CitIDH2genetic_marker
CitIDH3CitIDH3genetic_marker
CitNI1CitNI1genetic_marker
CitNI2CitNI2genetic_marker
Stocks
This publication contains information about 1 stocks:
Stock NameUniquenameType
PonkanPonkanaccession
Properties
Additional details for this publication include:
Property NameValue
Publication TypeJournal Article
Publication Date2012
Published Location|||
Language Abbreng
Publication Model[electronic resource].
URLhttp://dx.doi.org/10.1016/j.scienta.2012.09.011
KeywordsCitrus reticulata, air, citric acid, fructose, fruit quality, fruits, gamma-aminobutyric acid, genes, glucose, mandarins, metabolism, sucrose