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A novel aspartic acid protease gene from pineapple fruit (Ananas comosus): Cloning, characterization and relation to postharvest chilling stress resistance

Raimbault Astrid-Kim, Zuily Fodil Yasmine, Soler Alain, Cruz de Carvalho Maria. 2013. A novel aspartic acid protease gene from pineapple fruit (Ananas comosus): Cloning, characterization and relation to postharvest chilling stress resistance. Journal of Plant Physiology, 170 (17) : pp. 1536-1540.

Journal article ; Article de revue à facteur d'impact
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Quartile : Q1, Sujet : PLANT SCIENCES

Abstract : A full-length cDNA encoding a putative aspartic acid protease (AcAP1) was isolated for the first time from the flesh of pineapple (Ananas comosus) fruit. The deduced sequence of AcAP1 showed all the com-mon features of a typical plant aspartic protease phytepsin precursor. Analysis of AcAP1 gene expression under postharvest chilling treatment in two pineapple varieties differing in their resistance to blackheart development revealed opposite trends. The resistant variety showed an up-regulation of AcAP1 pre-cursor gene expression whereas the susceptible showed a down-regulation in response to postharvest chilling treatment. The same trend was observed regarding specific AP enzyme activity in both varieties. Taken together our results support the involvement of AcAP1 in postharvest chilling stress resistance in pineapple fruits. (Résumé d'auteur)

Classification Agris : F30 - Plant genetics and breeding
F60 - Plant physiology and biochemistry
H50 - Miscellaneous plant disorders

Champ stratégique Cirad : Axe 3 (2005-2013) - Alimentation accessible et de qualité

Auteurs et affiliations

  • Raimbault Astrid-Kim, UPEC (FRA)
  • Zuily Fodil Yasmine, UPEC (FRA)
  • Soler Alain, CIRAD-PERSYST-UPR Systèmes de culture bananes et ananas (MTQ)
  • Cruz de Carvalho Maria, UPEC (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/571238/)

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