Results 141 to 150 of about 3,970 (172)
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Nuclear movement in Erysiphe graminis hordei
Canadian Journal of Microbiology, 1972The nucleus in the powdery mildew cell may move before, during, and after division. Sometimes the nucleus was surrounded by several membranes and sometimes microtubules which originated in the spindle plaque and fanned out into the cytoplasm.
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Woronin bodies in Erysiphe graminis DC.
Canadian Journal of Microbiology, 1971Woronin bodies within 0.3 μ, of the septa are present near all septal pores in Erysiphe graminis cells and regulate cytoplasmic flow not only in injured but also in actively growing healthy colonies. Some mechanism holds them in place. They vary in size, 0.2 μ, – 0.4 μ, and frequently the central one plugs the septal pores, which are less than 0.15 μ,
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Somatic mitosis in Erysiphe graminis hordei
Canadian Journal of Microbiology, 1972Somatic nuclear division in Erysiphe graminis hordei was studied by light and electron microscopy after various fixation and staining procedures. Electron microscopy studies of alcohol – acetic acid fixed material aided in providing an understanding of nuclear division and showing the gross alterations which occurred. Light microscopy indicated that a
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Le popolazioni di Erysiphe necator
2015Capitolo 4 in sintesi • Gli studi genetici sulle popolazioni di E. necator hanno ricevuto un grande impulso a partire dalla metà degli anni ‘90; • Diversi studi hanno portato alla definizione di una “teoria dei biotipi”, che inizialmente distingueva un genotipo “I” (corrispondente a un biotipo germogli a bandiera) e di un genotipo “III ...
Caffi, T. +3 more
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