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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Histochemistry and cell biology 80 (1984), S. 225-230 
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The distribution of 35S-taurine in rat neonates and adults was investigated by wholy-body autoradiography. The neonates (4-day-old) were frozen in dry-ice hexane at 30 min, 1, 3 and 6 h after an intraperitoneal injection of 35S-taurine, whereas survival intervals for adult rats were 1 and 3 h. Whole-sagittal sections of the frozen rat, obtained by using a cryostat microtome were dried in situ and autoradiographed. In rat neonates and adults, 35S-taurine was mainly accumulated in the renal cortex, urine, feces, liver, eye (lens, vitreous fluid, retina), hypophysis, thymus, adrenal glands, nasal mucous membrane, salivary glands, gastric mucosa, small and large intestinal mucosa, choroid plexus, myocardium and sebaceous glands. In the rat neonate, such regions as the olfactory bulb, cerebrum, and cerebellum showed relatively high optical density.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-6857
    Keywords: Drosophila melanogaster ; hybrid dysgenesis ; natural population ; P element
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The P-M system of hybrid dysgenesis inDrosophila melanogaster was investigated on the basis of gonadal dysgenesis, using 1,590 strains from 28 natural populations in Japan, and 20 populations from Southeast Asia, the Pacific area and Africa. Strong P strains were found sporadically in several populations in Japan. Few strong M strains were observed. Q strains were present at a high frequency in most populations. Thus, most populations in these areas were regarded as Q populations. The distribution of the P element and the evolution of P, Q and M populations are also discussed.
    Type of Medium: Electronic Resource
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