Hexagonal clustering of intramembrane particles in the plasmalemma of Ustilago avenae after fungicide treatment

Hippe, Sigrun

doi:10.1016/0048-3575(85)90125-7

Cited by 8 publications

(3 citation statements)

References 43 publications

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“…Changes in membrane structure are therefore important hints for cell pathological processes ultrastructural changes of the plasmalemma. The variation in sensitivity to fungicides may also be related to the sterol composition of the plasmalemma (Hippe 1985).…”

Section: Discussionmentioning

confidence: 99%

Ultrastructural studies onVicia fabaand its pathogenBotrytis fabaein response to lithium chloride

Baka¹,

Migahed²,

Nofel³

2002

Acta Botanica Hungarica

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Ultrastructural investigations of the effect of lithium chloride on Botrytis fabae and its host, Vicia faba are described. Five concentrations (1, 3, 5, 7, 9 mM) of lithium chloride are chosen in the study. The results indicate that the chlorophyll content of host leaves is not affected at lower concentration (3 mM), whereas the higher concentration (9 mM) decreased the chlorophyll content. These two concentrations caused a pronounced cellular disorganization of B. fabae that ranged from disruption of the wall to marked cytoplasmic degeneration. Inoculated host leaves with B. fabae led to the appearance of more vacuolated cytoplasm, a disorganized membrane system of chloroplast and an increase in number of plastoglobuli. These observations are similar to those of host cells treated with 9 mM of lithium chloride. Host cells are not affected by the concentration of 3 mM. Ultarstructural studies indicate that the lower concentration of lithium chloride can be used as a safe fungicide to control B. fabae without a harmful effect on the host (V. faba).

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Section: Discussionmentioning

confidence: 99%

Ultrastructural studies onVicia fabaand its pathogenBotrytis fabaein response to lithium chloride

Baka¹,

Migahed²,

Nofel³

2002

Acta Botanica Hungarica

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“…Changes in membrane structure are therefore important hints of cell pathological processes. Hippe (1985) reported that the treatment of Ustilago avenae by the fungicide triadimenol caused pronounced ultrastructural changes of plasmalemma. The variation in sensitivity to fungicides may also related to the sterol composition in plasmalemma.…”

Section: Discussionmentioning

confidence: 99%

“…Electron microscopy complemented biochemical results is so far as a disturbance of the membrane function could be related to changes in morphology and fine structure. In addition to general cytopathological effects, a significant increase in thickness of the cell walls was found after fungicide treatment (Hippe 1985).…”

Section: Introductionmentioning

confidence: 97%

Comparative studies on the effect of benomyl on growth and ultrastructureof two isolates ofphytophthorainfestansfrom Egypt

Abdel-Fattah¹,

Baka²

2001

Acta Botanica Hungarica

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The effect of benomyl as a fungicide on the growth rate and ultrastructure of two isolates (P623 and P1319) of Phytophthora infestans is compared. Using different concentrations (50, 100, 200 and 500 ppm) of benomyl caused an inhibition of the mycelial growth of both isolates depending on the degree of concentration. The isolate P1319 was found to be more sensitive to benomyl than the isolate P623. Ultrastructural studies confirmed these observations. The hyphae of isolate P1319 subjected to 100 and 500 ppm benomyl showed severe changes in the cytoplasm more than isolate P623. The increase of lipid bodies and vacuoles in hyphal cytoplasm of both isolates was the characteristic phenomenon after treatment of benomyl particularly at the concentration of 500 ppm.

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Influence of Fungicides on Fungal Fine Structure

Hippe

1991

Electron Microscopy of Plant Pathogens

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Hexagonal clustering of intramembrane particles in the plasmalemma of Ustilago avenae after fungicide treatment

Cited by 8 publications

References 43 publications

Ultrastructural studies onVicia fabaand its pathogenBotrytis fabaein response to lithium chloride

Ultrastructural studies onVicia fabaand its pathogenBotrytis fabaein response to lithium chloride

Comparative studies on the effect of benomyl on growth and ultrastructureof two isolates ofphytophthorainfestansfrom Egypt

Influence of Fungicides on Fungal Fine Structure

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