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1938
DOI: 10.1002/path.1700470102
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Dark‐ground studies of flagellar and somatic agglutination of B. typhosus

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Cited by 35 publications
(15 citation statements)
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“…like that in the polarly flagellated bacteria, results from a change in the direction of the rotation of the flagella [see also studies of Pseudomonas citronellolis and S. typhimurium (90)]. The only difference seems to be that the bundle of a peritrichously flagellated bacterium is able to push the cell but not to pull it; when it tries to pull the cell it either changes its orientation or comes apart (27,41,91)Y The twiddle in E. coli, likc the shock reaction in C. okenii (42), is terminated by a mechanism that does not depend on the stimulus per se; the run length increases in response to the stimulus, but the twiddle lengtl) does not (73,80).…”
Section: Motion Of the Flagellamentioning
confidence: 93%
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“…like that in the polarly flagellated bacteria, results from a change in the direction of the rotation of the flagella [see also studies of Pseudomonas citronellolis and S. typhimurium (90)]. The only difference seems to be that the bundle of a peritrichously flagellated bacterium is able to push the cell but not to pull it; when it tries to pull the cell it either changes its orientation or comes apart (27,41,91)Y The twiddle in E. coli, likc the shock reaction in C. okenii (42), is terminated by a mechanism that does not depend on the stimulus per se; the run length increases in response to the stimulus, but the twiddle lengtl) does not (73,80).…”
Section: Motion Of the Flagellamentioning
confidence: 93%
“…See also the description given by Pijper (41 Spirilla to chemical, photodynamic, and thermal stimuli. In the absence of a stimu lus, a cell swam in a manner that depended on its length.…”
Section: Evidence Fo R a Motor Reflexmentioning
confidence: 97%
“…Nun trifft er auf ein Widerstandsaviso, und nach und nach stabilisiert sich der Eindruck der Festigkeit des Gegenstandes und damit korrelierend das Objektivitätsgefühl, der Gegenstand erscheint als real existierend (vgl. Ingarden 1964/1965, Brod/Weltsch 1913 Fleck sucht sich nun aus ganz unterschiedlichen Gebieten Ideen zu dieser Thematik zusammen, es gibt daher eine bunte Mischung von Quellen, aus denen er für seine eigene Gestaltauffassung schöpft, darunter sind: Diskussionen um die Rolle der Beobachtung in der Quantenphysik (Bohr 1928]: 58, [1935] 219, [1947 411), vergleichende Anatomie (Bethe 1928, Petersen 1928) und biologische Umwelttheorien (Uexküll), 14 Diskussionen um Photogramme (Pijper 1930, 1931, 1938[1948: 534) und wissenschaftliche Bildsuggestionen Ernst Haeckels (Fleck 1980: 51), graphische Darstellungen von Ideen, visuelle Kollektivvorstellungen in der Ethnologie (Fleck 1980]: 181-186, Fleck 2011: 243, Lévy-Bruhl 1926: 137 f.) 15 und Psychologie (Frostig 1929, Frostig 1930, Sinn-Sehen in der Geschichte der naturkundlichen Abbildung (contra Sudhoff), die Klecksographie (Fleck ]: 214, [1947 405), 16 sinnesphysiologische Diskussionen um mouches volantes 17 (ebd. : 215) -sprachtheoretische Ü berlegungen zu lautlichen Gestaltqualitäten (Ingarden 1976: 44, 74 f., 104) 18 -und eben die Gestaltpsychologie.…”
Section: Was Zitiert Fleck Und Wie?unclassified
“…In sparse bacterial growth, the formation of flagellar bundles by the current theories (7,9,14), such as entanglement and tearing off of flagella from vegetative cells, is difficult to visualize. Since bundles appear in cultures of B. larvae and other species shortly after the initiation of vegetative growth, it seems more logical to believe that flagella are shed at a definite stage in the growth cycle of a bacterium followed by the coalescing of the flagella that have collected on a surface or at a specific site.…”
Section: Occurrence Of Bundles In Larval Extract Mediummentioning
confidence: 99%