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  • 1
    Electronic Resource
    Electronic Resource
    Golgi Apparatus and Plant Secretion (1966)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology 17 (1966), S. 27-46 
    Details
    ISSN: 0066-4294
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.17.060166.000331
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  • 2
    Electronic Resource
    Electronic Resource
    Mirex-induced hepatic changes in chickens, Japanese quail, and rats (1976)
    Springer
    Archives of environmental contamination and toxicology 4 (1976), S. 469-482 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Mirex1 was fed in the diet to chickens at 0 to 160 ppm for 12 and 16 weeks, to Japanese quail at 0 to 80 ppm for 12 weeks, and to rats at 0 to 100 ppm for 2 and 4 weeks. Mirex did not affect the concentration of protein or cytochrome P450 in hepatic microsomes of chickens or Japanese quail, nor did it affect hydroxylation of aniline or demethylation of aminopyrine. However, structural changes were apparent in livers of chickens fed mirex at 10 ppm and above and included regions of necrosis and nonspecific cellular aberrations and alterations of sinusoids and bile canaliculi. Mirex caused liver enlargement in rats and increased microsomal protein and cytochrome P450 but did not affect hydroxylation of aniline or demethylation of aminopyrine. Hepatic structural changes in rats that were associated with mirex included proliferation of smooth endoplasmic reticulum and degeneration of some bile canaliculi.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02221043
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  • 3
    Electronic Resource
    Electronic Resource
    Acute toxicity of uranyl nitrate to growing chicks: A pathophysiologic study (1986)
    Springer
    Bulletin of environmental contamination and toxicology 37 (1986), S. 907-915 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01607857
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  • 4
    Electronic Resource
    Electronic Resource
    The tubular network of the Golgi apparatus (1998)
    Springer
    Histochemistry and cell biology 109 (1998), S. 533-543 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  Golgi apparatus of both plant and animal cells are characterized by an extensive system of approximately 30 nm diameter peripheral tubules. The total surface area of the tubules and associated fenestrae is thought to be approximately equivalent to that of the flattened portions of cisternae. The tubules may extend for considerable distances from the stacks. The tubules are continuous with the peripheral edges of the stacked cisternae, but the way they interconnect differs across the stack. In plant cells, for example, tubules associated with the near-cis and mid cisternae often begin to anastomose close to the peripheral edges of the stacked cisternae, whereas the tubules of the trans cisternae are less likely to anastomose and are more likely to be directly continuous with the peripheral edges of the stacked cisternae. Additionally, the tubules may blend gradually into fenestrae that surround some of the stack cisternae. Because of the large surface area occupied by tubules and fenestrae, it is reasonable to suppose that these components of the Golgi apparatus play a significant role in Golgi apparatus function. Tubules clearly interconnect closely adjacent stacks of the Golgi apparatus and may represent a communication channel to synchronize stack function within the cell. A feasible hypothesis is that tubules may be a potentially static component of the Golgi apparatus in contrast to the stacked cisternal plates which may turn over continuously. The coated buds associated with tubules may represent the means whereby adjacent Golgi apparatus stacks exchange carbohydrate-processing enzymes or where resident Golgi apparatus proteins are introduced into and out of the stack during membrane flow differentiation. The limited gradation of tubules from cis to medial to trans offers additional possibilities for functional specialization of Golgi apparatus in keeping with the hypothesis that tubules are repositories of resident Golgi apparatus proteins protected from turnover during the flow differentiation of the flattened saccules of the Golgi apparatus stack.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004180050253
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  • 5
    Electronic Resource
    Electronic Resource
    Some unusual staining properties of tannic acid in plants (1987)
    Springer
    Histochemistry and cell biology 88 (1987), S. 17-22 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Maize root tips were fixed in glutaraldehyde fixatives containing tannic acid and then processed for electron microscopy. Under these conditions, tannic acid selectively stained the contents of the Golgi apparatus secretory vesicles of some outer root cap cells, the cell walls of all cells, and substances in, and adjacent to, intercellular connections of mature primary walls and of secondary walls. Intercellular connections of the young primary walls were not stained. Plasma membranes, and substances associated with the outer leaflets of the plasma membranes, were also stained. Tannic acid-positive material was associated with the cell plate vesicles of forming walls but very little, or none, was associated with the Golgi apparatus vesicles of dividing cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00490161
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  • 6
    Electronic Resource
    Electronic Resource
    Changes in the secretory activity of the Golgi apparatus during the cell cycle in root tips of maize (Zea Mays L.) (1978)
    Springer
    Planta 138 (1978), S. 113-118 
    Details
    ISSN: 1432-2048
    Keywords: Cell division ; Cell wall ; Golgi apparatus ; Secretory vesicles ; Zea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Epidermal cells of maize roots were studied to determine the distribution of Golgi apparatus-derived secretory vesicles in various stages of cell division. The following conclusions were reached: 1) The pattern of Golgi apparatus secretion varies with the cell cycle. 2) Large numbers of secretory vesicles are incorporated into the cell plate. 3) Secretory vesicles from the Golgi apparatus are incorporated primarily in walls undergoing expansion. 4) Secretory vesicles are smaller during mitosis and the first part of cytokinesis than they are during interphase. 5) Secretory vesicles account for at least 12–23% of cell-plate plasma membrane and an estimated 25% of cell-plate volume.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00391165
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  • 7
    Electronic Resource
    Electronic Resource
    Distribution of golgi apparatus-associated polyribosomes across the polarity axis of dictyosomes of wild carrot (Daucus carota L.) (1984)
    Springer
    Protoplasma 123 (1984), S. 221-225 
    Details
    ISSN: 1615-6102
    Keywords: Golgi apparatus ; Endoplasmic reticulum ; Polyribosomes ; Golgi apparatus-associated polyribosomes ; Wild carrot (Daucus carota)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Endoplasmic reticulum-polyribosome-Golgi apparatus associations were a general feature of cells of suspension cultures of wild carrot (Daucus carota L.). Free polyribosomes occurred within the Golgi apparatus zone for all dictyosomes and with equal frequency at all levels within the stack including the most mature or trans face. When evaluated and quantified from electron micrographs, approximately 60% of the dictyosome profiles were characterized by a system of transition elements consisting of part smooth-part rough endoplasmic reticulum. These were encountered most frequently in the immediate vicinity of the immature, forming or cis face, usually toward the periphery of the stacked cisternae. Analysis of serial sections showed that those dictyosome profiles not exhibiting this characteristic did so primarily because of an unfavorable plane of sectioning. All dictyosomes examined in 5 or more serial sections revealed some type of close association with endoplasmic reticulum. Some of the associations were so close that direct connections between Golgi apparatus and endoplasmic reticulum tubules could not be excluded. Also present, especially at the forming or cis face, were small 600 nm transition vesicles with nap-like surface coats on nearly 90% of the dictyosomes examined. More than 50% exhibited spiny (clathrin-)coated vesicles at the mature or trans face.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01281169
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  • 8
    Electronic Resource
    Electronic Resource
    Tannic acid characterized membranes of animal cells (1986)
    Springer
    Protoplasma 134 (1986), S. 43-52 
    Details
    ISSN: 1615-6102
    Keywords: Dictyosome-like-structures ; Golgi apparatus ; Lysosomes ; Tannic acid ; Thin membranes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Tannic acid affects one face of some cytoplasmic membranes causing them to appear “thin” in electron micrographs.Trans vesicles of Golgi apparatus, dictyosome-like-structures, headcaps and aerosomes of germ cells, and certain lysosomes all have membranes that appear thin after tannic acid fixation and, in addition, are all characterized as being acid phosphatase positive. Thus, thin membranes appear functionally related and to be associated with cellular components that have lysosome or lysosome-like character.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01276374
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  • 9
    Electronic Resource
    Electronic Resource
    Monensin affects the trans half ofEuglena dictyosomes (1983)
    Springer
    Protoplasma 114 (1983), S. 119-124 
    Details
    ISSN: 1615-6102
    Keywords: Monensin ; Ionophore ; Euglena ; Golgi apparatus ; Dictyosome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Euglena gracilis was treated in 10-5 M monensin for various times from 2 minutes to 24 hours, and then processed for electron microscopy by fixation in glutaraldehyde and osmium tetroxide or potassium permanganate. Monensin affected the mature (trans) half of the cisternae but not the forming (cis) half of the cisternae. After glutaraldehyde and osmium tetroxide fixation, the affected cisternae appeared swollen, whereas after potassium permanganate fixation, the affected cisternae were distorted but not swollen. The monensin effect was first noticeable after 5 minutes of treatment and the maximum effect was observed after only 10 minutes of treatment. No additional monensin effects were observed up to 24 hours of treatment; however, by 24 hours there was variability in dictyosome form and some dictyosomes appeared relatively normal. The first noticeable effects at the 5 minute treatment time involved either the most mature (trans) cisterna or cisternae in the middle of the stack. Thus, inEuglena, the region of the Golgi apparatus that responds to monensin by cisternal dilation is restricted to the mature (trans) half of the dictyosomes, with the initial response given by specific cisternae in the stack.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01279875
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  • 10
    Electronic Resource
    Electronic Resource
    Some observations on the development of dictyosome-like structures in guinea pig testes (1983)
    Springer
    Protoplasma 116 (1983), S. 187-197 
    Details
    ISSN: 1615-6102
    Keywords: Testes ; Dictyosome-like structures ; Mammalian reproduction ; Golgi apparatus ; Spermatocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Structures superficially resembling dictyosomes (DLS) are present in guinea pig spermatocytes. They are first visible in late stages of spermatogonial development as single, irregularly shaped saccules. DLS saccules continue to form, at what appears to be a much accelerated rate, during the first stages of spermatocyte development. After formation, the saccules mature and aggregate into a stacked, or dictyosomal, configuration. DLS reach their maximum numbers in spermatocytes just prior to the formation of proacrosomal granules and, at this time, constitute more membrane than Golgi apparatus and as much as 25% of the total endomembrane of the spermatocyte. The DLS then decline in numbers and only a few remain in spermatids. DLS reappear just prior to spermiation and become conspicuous features of the residual body and cytoplasmic droplet. DLS membranes have structural and cytochemical similarities to the membranes of the mature (trans) faces of the Golgi apparatus, and especially the thick cisternae of the spermatid Golgi apparatus. They are similar, also, to the membranes of the acrosome, the cell surface, multivesicular bodies (MVB), and a class of vesicles whose membranes appear “thin” following fixation in tannic acid. Both the thin membrane vesicles (i.e., the tannic acid asymmetrical vesicles-TAAV) and the MVB may act as membrane pools for the generation and/or dissipation of DLS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01279837
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