Eyespot Disease of Sugarcane 1: INDUCTION OF HOST-SPECIFIC TOXIN AND ITS INTERACTION WITH LEAF CELLS
AUTOR(ES)
Larkin, Philip J.
RESUMO
Helminthosporium sacchari produces a toxin which is responsible for the symptoms of eyespot disease in Saccharum officinarum. A rapid and highly repeatable bioassay based on increase in conductivity of tissue leachates showed that the interaction of toxin with sugarcane obeys Michaelis-Menten hyperbolic saturation kinetics. There was no evidence for positive or negative cooperation interaction. Resistant and susceptible cultivars of sugar cane had distinctive conductivity characteristics. Co-cultures of H. sacchari and suspension cultures of sugarcane gave up to a 4,000-fold increase in toxin production.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=425695Documentos Relacionados
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