The aconitate hydratase family from <Emphasis Type="Italic">Citrus</Emphasis> |
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Authors: | Javier Terol Guillermo Soler Manuel Talon Manuel Cercos |
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Institution: | 1.Centro de Genómica, Instituto Valenciano de Investigaciones Agrarias,Carretera Moncada - Náquera,Km. 4.5 Moncada (Valencia),Spain |
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Abstract: | Background Research on citrus fruit ripening has received considerable attention because of the importance of citrus fruits for the human
diet. Organic acids are among the main determinants of taste and organoleptic quality of fruits and hence the control of fruit
acidity loss has a strong economical relevance. In citrus, organic acids accumulate in the juice sac cells of developing fruits
and are catabolized thereafter during ripening. Aconitase, that transforms citrate to isocitrate, is the first step of citric
acid catabolism and a major component of the citrate utilization machinery. In this work, the citrus aconitase gene family
was first characterized and a phylogenetic analysis was then carried out in order to understand the evolutionary history of
this family in plants. Gene expression analyses of the citrus aconitase family were subsequently performed in several acidic
and acidless genotypes to elucidate their involvement in acid homeostasis. |
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Keywords: | |
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