Results 111 to 120 of about 348 (154)
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Formation of Gamma Particles During Zoosporogenesis in Blastocladiella emersonii
Mycologia, 1975The formation of gamma (γ) particles was examined by electron microscopy of B. emersonii cells that were induced to differentiate zoospores after 15.5 hr (19-hr cycle) and 3 hr of growth (minicycle...
J S Lovett
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CONDITIONS OF ILLUMINATION AND ZOOSPOROGENESIS IN KLEBSORMIDIUM FLACCIDUM1
Journal of Phycology, 1974SUMMARYThe filamentous green alga Klebsormidium flaccidum will produce zoospores when cultured on a diurnal regime of 8‐hr light and 16‐hr dark. Zoosporogenesis is inhibited by interruption of the dark period with light of sufficient intensity and duration.
Jerome R. Cain +2 more
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Microtubule organization during zoosporogenesis inAllomyces macrogynus
Protoplasma, 1997The microtubule cytoskeleton and cytoplasmic organization ofAllomyces macrogynus during zoosporogenesis was studied using light and electron microscopy. Indirect immunofluorescence methods revealed that the microtubule cytoskeleton progressed through three distinct stages of cytoplasmic distribution during zoospore development.
D. S. Lowry, R. W. Roberson
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Light Is a Crucial Signal for Zoosporogenesis and Gametogenesis in Some Green Microalgae
European Journal of Phycology, 2013Patterns of reproduction were investigated in some microalgal species of Chlorophyceae (Botryosphaerella sudetica, Neochloris aquatica, Neochloris vigensis, Bracteacoccus minor). Under continuous light, the microalgae reproduced asexually producing autospores.
Pavel Přibyl
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Behavior of nuclei during zoosporogenesis in Bryopsis plumosa (Bryopsidales, Chlorophyta)
Journal of Plant Research, 2005The behavior of nuclei during zoosporogenesis in Bryopsis plumosa (Bryopsidales, Chlorophyta) was examined by fluorescence and electron microscopy. Each mature filamentous sporophyte had a single lenticular nucleus, which was about 25 microm in diameter and embedded in a thick cytoplasmic layer. At the commencement of multinucleation, giant nuclei with
Bunji, Minamikawa +3 more
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European Journal of Protistology, 1989
The fine structure of mitosis and cytokinesis leading to formation of zoospores in the unicellular tribophycean alga Botrydiopsis alpina Vischer has been studied by ultra-rapid cryofixation, freeze substitution, and electron microscopy. Preceding zoosporogenesis, the cell usually enlarges considerably and becomes multinucleate.
Gijsbert M Lokhorst
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The fine structure of mitosis and cytokinesis leading to formation of zoospores in the unicellular tribophycean alga Botrydiopsis alpina Vischer has been studied by ultra-rapid cryofixation, freeze substitution, and electron microscopy. Preceding zoosporogenesis, the cell usually enlarges considerably and becomes multinucleate.
Gijsbert M Lokhorst
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An ultrastructural study of zoosporogenesis inPythium proliferum de Bary
Protoplasma, 1976Zoosporogenesis in the oomycete,Pythium proliferum de Bary initially involves a condensation of cytoplasm at certain hyphal tips and the subsequent enlargement of these hyphal tips to form sporangia. Deposition of a septum at the base of the sporangium and initiation of an apical papilla are followed by cleavage of the sporangial cytoplasm.
Carol Z. Lunney, Charles E. Bland
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Changes in Intracellular pH During Zoosporogenesis inPhytophthora cinnamomi
Protoplasma, 1996Changes in intracellular pH (pHi) have been examined during zoosporogenesis inPhytophthora cinnamomi in order to elucidate the molecular mechanisms that bring about initiation of the orderly cleavage of the sporangium. By microinjecting a dextranconjugated pH-sensitive fluorescent indicator, 2′,7′-bis(2-carboxyethyl)-5(6)-carboxyfluorescein (BCECF ...
Sarah Jackson, T Suzaki, A R Hardham
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The Morphology of Lagenidium Callinectes II. Zoosporogenesis
Mycologia, 1974Zoosporogenesis in the holocarpic marine phycomycete Lagenidium callinectes is initiated when actively growing mycelium is washed free of medium and placed in sea water.
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Pearl millet downy mildew (Sclerospora graminicola): Zoosporogenesis
Protoplasma, 1984Cleavage of the zoosporangial cytoplasm ofSclerospora graminicola, the causal agent of pearl millet downy mildew, is by means of the fusion of cleavage vesicles and vesicles containing the extruded axoneme with the cell membrane. This type of zoosporogenesis linksS.
L. Lange, L. W. Olson, K. M. Safeeulla
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