Quantification of specific lectin activity in teosinte Zea diploperennis
DOI:
https://doi.org/10.19230/jonnpr.3860Keywords:
Lectin activity, total protein, Zea diploperennis, Ustilago maydisAbstract
Objective. To evaluate the specific activity of lectin in healthy and infected teosinte Zea diploperennis with Ustilago maydis.
Materials and methods. Zea diploperennis seedlings of 6 days of growth were inoculated with Ustilago maydis. Total protein concentration and hemagglutinating activity of crude extracts of healthy and infected teosinte were evaluated in microtiter plates with 3% type O red cells following the technique of serial double dilutions for 6 days.
Results. The concentration of total proteins increases in healthy coleoptile during each day of its growth. Not so in infected teosinte where the curve shows a downward trend from the moment of inoculation. The specific lectin activity decreases in both cases from the first day of quantification.
Conclusions. The evident reduction in lectin activity in infected teosinte compared to healthy teosinte could explain the susceptibility of this teosinte to said phytopathogen. Although the participation of the teosinte and corn lectins in the defense mechanism against Ustilago maydis has not yet been clarified, the results obtained contribute to the understanding of the effect that the concentration of lectin and protein can have on resistance in teosinte.
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