1937
DOI: 10.1590/s0074-02761937000100008
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Conjugação e Endomixis em ciliados do genero Balantidium

Abstract: No presente trabalho estudamos o comportamento de alguns ciliados do genero Balantidium nas culturas em meios artificiaes. Utilisamos de preferencia nesses estudos o meio para ameba de Dobell e Laidlaw, enriquecidos com amido de arroz. As especies com que trabalhamos foram: B. coli isolado do homem; Balantidium sp. do porco e B. simile do Macaca mulatta. A especie originaria do homem, foi por nós cultivada com grande facilidade durante um tempo bastante longo, fazendo-se os repiques com o espaço de 24 e 48 hor… Show more

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Cited by 4 publications
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“…LES has successfully been used for the isolation and in vitro maintenance of B. coli strains isolated from pig, humans and nonhuman primates (CUNHA & MUNIZ, 1937). However, in the present study, this medium was not a xenic culture system suitable for the in vitro maintenance of the trophozoites isolated from Cynomolgus macaques and pigs.…”
Section: Discussionmentioning
confidence: 74%
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“…LES has successfully been used for the isolation and in vitro maintenance of B. coli strains isolated from pig, humans and nonhuman primates (CUNHA & MUNIZ, 1937). However, in the present study, this medium was not a xenic culture system suitable for the in vitro maintenance of the trophozoites isolated from Cynomolgus macaques and pigs.…”
Section: Discussionmentioning
confidence: 74%
“…The growth rate of B. coli in modified Pavlova, TYSGM-9 and LES media was evaluated at four incubation times: 24, 48, 72 and 96 hours, where 24 and 48 hours have been the most used in the maintenance of this ciliated parasite (BARRETT & YARBROUGH, 1921;CUNHA & MUNIZ, 1937;SVENSSON, 1955;ZAMAN, 1964). However, Cox (1961) successfully maintained these protozoan strains after 72 hours of incubation.…”
Section: Discussionmentioning
confidence: 99%
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“…Isolates obtained from feces containing mainly trophozoites have been reported in studies conducted in the Philippines, Brazil and India [ 11 , 19 , 26 ]. In most of the literature consulted, the form of the parasite that was inoculated into the culture medium was not reported [ 27 , 28 , 29 , 30 , 31 , 32 ]. This lack of information has made comparisons and the future replication of experimental isolation protocols difficult.…”
Section: Discussionmentioning
confidence: 99%
“…In general, for ciliated protists, especially for B. coli , serum is a key component of in vitro isolation and maintenance systems because without these elements, the protozoan population does not multiply, and the parasite is not isolated [ 33 ]. In many of the studies in which in vitro cultures of ciliated parasites morphologically compatible with B. coli were performed, horse serum was added to the culture medium [ 11 , 27 , 30 , 31 , 34 ]. However, there are still those who invested in fetal bovine serum [ 12 , 19 , 32 ].…”
Section: Discussionmentioning
confidence: 99%