Influence of the degree of polymerization of oligogalacturonates and of esterification pattern of pectin on their recognition by monoclonal antibodies

Françoise Liners, J F Thibault, P Van Cutsem, Jean-Jacques Letesson

Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

Résumé

The ability of galacturonic and oligogalacturonic acids with degrees of polymerization (DP) from 2 to 10 to inhibit the recognition of homopolygalacturonic acid by a monoclonal antibody specific for dimers of pectin (F Liners, J-J Letesson, C Didembourg, P Van Cutsem [1989] Plant Physiol 91: 1419-1424) has been tested by enzyme-linked immunosorbent assays. Oligomers of DP9 and above preincubated with the antibodies clearly inhibited the association between the antibodies and immobilized pectin. A minimum DP of nine consecutive galacturonic residues is thus necessary to be associated through calcium cations to form dimers. Randomly deesterified pectin was recognized by the antibody if its degree of methylesterification was
langue originaleAnglais
Pages (de - à)1099-1104
Nombre de pages6
journalPlant Physiology
Volume99
Etat de la publicationPublié - 1992

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