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Phytomonas iron superoxide dismutase : a possible molecular marker

Marin Clotilde, Hitos Ana B., Rodriguez-Gonzalez Isabel, Dollet Michel, Sanchez Moreno Manuel. 2004. Phytomonas iron superoxide dismutase : a possible molecular marker. FEMS Microbiology Letters, 234 (1) : pp. 69-74.

Journal article ; Article de revue à facteur d'impact
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Autre titre : Superoxyde dismutase ferrique de Phytomonas : un marqueur moléculaire possible

Abstract : We have isolated and biochemically characterized two iron superoxide dismutases activities (SODI and SODII) from a plant trypanosomatid isolated from #Euphorbia characias#. The isoenzyme FeSODII has immunogenic capacity, and the positivity of the anti-SODII serum persists to a dilution of 1/40,000, by Western blot. In addition, Western blot has been used to test the positivity of the anti-SODII serum against antigen fractions (SOD) from 17 isolates belonging to the family Trypanosomatidae and for which we had previously determined the isoenzymatic profile. The reaction proved positive only with those plant isolates considered to belong to the genus #Phytomonas#, whereas there was no reaction of the anti-SODII serum, against the antigen fractions from the species #Trypanosoma cruzi#, #Leishmania donovani#, #Herpetomonas samuelpessoai#, #Herpetomonas davidi#, #Crithidia luciliae# and #Leptomonas collosoma#. FeSODII is located mainly over the entire surface of the parasite, as well as in the nucleus, glycosomes and membranes. The above makes FeSODII promising as a molecular tool for diagnosis and identification, and as a potential chemotherapeutic target for designing drugs aimed at controlling not only of the diseases caused by #Phytomonas species#, but also for the great metabolic similarity to other trypanosomatids of animals and humans, it may be possible for these results to be extrapolated. Moreover, the sequencing of the amino-terminal end of the FeSODII enables the design of primers that in the near future will make it possible to sequence the gene of this isoenzyme. (Résumé d'auteur)

Mots-clés Agrovoc : Phytomonas, Superoxyde dismutase, Euphorbia characias, Mastigophora, Isoenzyme, Immunogénétique, Marqueur génétique

Classification Agris : H20 - Plant diseases
L73 - Animal diseases

Auteurs et affiliations

  • Marin Clotilde, Instituto de Biotecnologia (ESP)
  • Hitos Ana B., Instituto de Biotecnologia (ESP)
  • Rodriguez-Gonzalez Isabel, Instituto de Biotecnologia (ESP)
  • Dollet Michel, CIRAD-CP-COCOTIER (FRA)
  • Sanchez Moreno Manuel, Instituto de Biotecnologia (ESP)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/523131/)

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