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Botanica Marina, 2003 Based on transmission electron microscopy observation, zoosporogenesis in the siphonous multinucleate green alga Derbesia tenuissima can be divided into five stages. In vegetative sporophytes and Stage 1 sporangia, the cytoplasm was distinguished as two regions, the inner region of chloroplasts and the outer region of nuclei.
S.-H. Lee +2 more
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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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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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Ultrastructure of zoosporogenesis in Phytophthora cinnamomi
Mycological Research, 1991Zoospore formation in Phytophthora cinnamomi has been studied by electron microscopy in conjunction with immunogold labelling of selected cellular elements. Zoosporogenesis involves the compartmentalization of the mature multinucleate sporangium into a number of biflagellate, uninucleate zoospores.
Geoffrey J. Hyde +2 more
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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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MITOSIS AND CLEAVAGE DURING ZOOSPOROGENESIS IN SEVERAL COCCOID GREEN ALGAE
Journal of Phycology, 1979 Temd R. Deason, Joseph C. O'Kelley
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Formation of Gamma Particles During Zoosporogenesis inBlastocladiella 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...
W E, Barstow, J S, Lovett
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Zoosporogenesis in Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew
Nordic Journal of Botany, 1989During sporulation of Pseudoperonospora cubensis on cucumber leaves ( Cucumis saliva ) zoosporangia are formed on the dichotomously branched sporangiophore. The mature zoosporangium has a preformed discharge papilla and the cytoplasm is uncleaved.
Lene Lange, Ulla Edén, Lauritz W. Olson
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Synthesis and assembly of flagellar surface antigens during zoosporogenesis inPhytophthora cinnamomi
Protoplasma, 1994Cryomicrotomy and immunofluorescence microscopy employing three different categories of monoclonal antibody (MAb) that label antigens on the surface of one or both flagella ofPhytophthora dnnamomi have been used to follow the synthesis and assembly of flagellar surface components.
M. Cope, A. R. Hardham
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MITOSIS AND CLEAVAGE DURING ZOOSPOROGENESIS IN SEVERAL COCCOID GREEN ALGAE1
Journal of Phycology, 1979ABSTRACTThe fine structure of mitosis and cleavage inAxilosphaera vegetataCox & Deason,Chlorococcum echinozygotumStarr,Chlorosarcinopsis eremiChantanachat&Bold,Nautococcus mammilatusKorshikoff,N. terrestrisArchibald,N. solutaArchibald,Neospongiococcum solitariumDeason, andTetracystis aeriaBrown & Bold was observed. All possess a phycoplast,
Temd R. Deason, Joseph C. O'Kelley
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