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  • 1955-1959  (26)
  • 1945-1949  (4)
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  • 1
    Digitale Medien
    Digitale Medien
    La Position Systematique du Genre Balantidium (1955)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 2 (1955), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SUMMARY. Since the work of Stein the systematic position of the genus Balantidium in the spirotrichous order Heterotrichida generally has been accepted without question. Reported here are some new observations, of taxonomic significance, on the infraciliature and on the mechanisms of stomatogenesis in Balantidium elongatum and B. entozoon. The results obtained verify and complete earlier cytological observations made by a number of authors; consideration of the present findings, however, suggests that Balantidium is a holotrichous ciliate of the type “prostomien” and that the family Balantidiidae logically belongs alongside that of the Plagiopylidae, in the holotrichous order Trichostomida.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1955.tb02399.x
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  • 2
    Digitale Medien
    Digitale Medien
    Finer Morphology of Microorganisms (1957)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Microbiology 11 (1957), S. 1-6 
    Details
    ISSN: 0066-4227
    Quelle: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1146/annurev.mi.11.100157.000245
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  • 3
    Digitale Medien
    Digitale Medien
    Rapid Method for Applying Vacuum Corrections to Weights (1958)
    s.l. : American Chemical Society
    Analytical chemistry 30 (1958), S. 1304-1304 
    Details
    ISSN: 1520-6882
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ac60139a604
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  • 4
    Digitale Medien
    Digitale Medien
    Le Macronucleus Hétéromere de Quelques Ciliés (1957)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 4 (1957), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SUMMARY. In ciliates belonging to the two gymnostome families Chlamydodontidae and Dysteriidae as well as to the order Chonotrichida the macronucleus is composed of two parts which are distinct but in very close juxtaposition. One part, here called “orthomerous,” contains granules or microsomes of desoxyribonucleoprotein and several nucleoli; it thus shows the normal structure of a macronucleus of the ordinary type. The other part, “paramerous,” contains desoxy-ribonucleic acid diffused, apparently, throughout a homogeneous karyolymph and possesses, in addition, several nucleoli and an endosome of desoxyribonucleoprotein.The three groups of ciliates under discussion are closely related and constitute an assemblage of forms remarkably evolved. The “heteromerous” structure of their macronuclei must be considered as a secondary acquisition and a differentiation of the “homeomerous” type which characterizes the structure of the macronucleus in most other ciliates.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1957.tb02477.x
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  • 5
    Digitale Medien
    Digitale Medien
    Trichopus lachmanni, n. sp.; Structure et Morphogenèse (1957)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 4 (1957), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SUMMARY. Trichopus lachmanni n. sp. possesses, in common with other members of the family Dysteriidae, a fixation organelle composed of vesicles and a secretory ampoule. But no “foot-like” appendix exists in this species, and the ampoule opens at the bottom of an antapical pit which bears a short fringe of membranelles derived from the somatic ciliature. The vibratile fringe participates in the spinning of the glutinous secretion which temporarily fastens the organism to the substrate. This specialized ciliature is characteristic of the genus Trichopus which was created by Claparède & Lachmann for a species, T. dysteria, which, though insufficiently described, is certainly different from T. lachmanni.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1957.tb02500.x
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  • 6
    Digitale Medien
    Digitale Medien
    Le Cortex de la Vacuole Contractile et son Ultrastructure chez les Ciliés (1959)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 6 (1959), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SYNOPSIS. In various ciliates the contractile vacuole is a permanent organelle, delimited by a differentiated cortex.The cortex is made up of a dense reticulum of anastomosing tubules limited by a smooth membrane, and vesicles. This “spongiome” can be considered as a localized and specialized condensation of the endoplasmic reticulum.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1959.tb03923.x
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  • 7
    Digitale Medien
    Digitale Medien
    Concrétions Minérales Intracytoplasmiques chez les Ciliés (1957)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 4 (1957), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SUMMARY. Various species of ciliates are characterized by the formation and accumulation in the cytoplasm of mineral concretions which are refringent, isotropic or anisotropic. These cytoplasmic inclusions most often are composed of calcium carbonate; in several species, however, their nature remains partially or even totally undetermined. The isotropic calcium-containing concretions often exhibit a definite shape; the calcium carbonate in this case appears to be bound to an organic substrate. The physiological role of the calcic concretions is not known; their characteristic presence in a given species is not necessarily related to ecological conditions. In a few species the calcification is localized in definite structures: spicules, skeletal plates, or otoliths of organelles supposedly sensory in nature.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1957.tb02493.x
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  • 8
    Digitale Medien
    Digitale Medien
    Les Tentacules d'Ephelota; Etude au Microscope Electronique. (1956)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 3 (1956), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SUMMARY. The central canal of the suctorial tentacle of Ephelota is limited by a fine pellicle composed of numerous longitudinal fibrils and bearing 16–18 membrano-fibrillar ridges arranged radially in the lumen of the canal. This structure resembles that of the myonemes in the heterotrichous ciliate Stentor.The prehensile tentacle of Ephelota contains 4–6 axial protein fibers each consisting of a lamello-fibrillar bundle and isolated from one another by thin intracytoplasmic membranes.In both types of tentacle the cytoplasmic portion is immediately limited by a very thin pellicle which is continuous with the “epiplasmic membrane” and covered by the alveolar cuticle which envelops the entire body of the ciliate.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1956.tb02455.x
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  • 9
    Digitale Medien
    Digitale Medien
    Structure et Origine du Pedoncule chez Chilodochona. (1956)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 3 (1956), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SUMMARY. The peduncle of the chonotrichous ciliate Chilodochona is composed of a bundle of protein fibers secreted by intracytoplasmic glandular ampullae. This process, very different from that involved in production of the peduncle in the peritrichous ciliates, also is found, although with a simpler result, among the Dysteriidae, a highly evolved family of gymnostomes closely related to the chonotrichs.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1956.tb02454.x
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  • 10
    Digitale Medien
    Digitale Medien
    Sterculic Acid and its Halphen Reaction (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 372-373 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] This investigation revealed a band at 5.35µ in the spectrum of fresh sterculic acid, which is believed to be characteristic of a cyclopropene group. A strong band was also present at 9.92µ, as reported by other workers3 4. The latter band has been assigned by Verma et al.3 to the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/178372c0
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