Observações sôbre a reprodução de Blepharisma sinuosum Sawaya, 1940 (Ciliata - Heterotricha)
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1. Blepharisma undulans, a protozoan with a reddish pigment, shows increased oxygen consumption under the influence of light. 2. If the light intensity is high, the animals are killed during a burst of oxygen consumption. 3. If the blepharismas are first bleached by exposure to light of low intensity they show only slightly increased oxygen consumption under the influence of light and they are ...
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In connection with measurements of the metabolism of Blepharisma described in the preceding paper, the writer made certain observations on the red pigment of this organism. The pigment of the intact organism defies extraction with any of the common organic solvents, but it may easily be obtained in solution by macerating fresh cells in clean quartz sand and extracting with 90 per cent ethyl alc...
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1. A pigment can be extracted from Blepharisma undulans by heat treatment of a concentrated suspension of the deeply pigmented animals. 2. In the presence of this pigment, various colorless protozoans are sensitized to light and killed if exposed long enough. The protozoans show a differential sensitivity, some being much more sensitive than others. 3. Bleached colorless blepharismas are not se...
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ژورنال
عنوان ژورنال: Boletim da Faculdade de Filosofia, Ciências e Letras, Universidade de São Paulo. Zoologia
سال: 1965
ISSN: 2526-3382,0102-5163
DOI: 10.11606/issn.2526-3382.bffclzoologia.1965.120686