Letter | Published:

Feulgen–Schiff's Technique for Examination of the Distribution of the Intracellular Rickettsia-like Micro-organisms in Whole Mounts of Ticks, or their Tissues

Naturevolume 199page827 (1963) | Download Citation



INTRACELLULAR Rickettsia-like micro-organisms are known to exist naturally in ticks, usually occurring in the Malpighian tubules and oocytes1,2. Their distribution in the organs of the ticks has been, in the past, studied by various investigators3,4 from conventionally stained smears and sections of tick tissues.

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  1. 1

    Steinhaus, E. A., Insect Microbiology (Comstock, Ithaca, N.Y., 1946).

  2. 2

    Buchner, P., Endosymbiose der Tiere mit pflanzlichen Mikro-organismen (Birkhauser, Basel, Switzerland, 1953).

  3. 3

    Cowdry, E. V., J. Exp. Med., 41, 817 (1925).

  4. 4

    Mudrow, E., Z. Parasitenk., 5, 138 (1932).

  5. 5

    Roshdy, M. A., J. Insect Path., 3, (2), 148 (1961).

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    Roshdy, M. A., Nature, 192, 186 (1961).

  7. 7

    Newcomer, E. H., Stain Tech., 34 (6), 349 (1959).

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    Newcomer, E. H., Science, 118, 161 (1953).

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  1. Department of Entomology, London School of Hygiene and Tropical Medicine, Keppel Street, W.C.1

    • M. A. ROSHDY


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