The Effect of Rice Powder on the Growth of Cultures of Endamoeba Histolytica 1

Spingarn, Clifford L.; Edelman, Morton H.

doi:10.4269/ajtmh.1950.s1-30.629

Cited by 5 publications

(2 citation statements)

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“…1 that the Because of the uniformity in population growth, regardless of the amount of rice starch added, it was decided that "routine variation" in the amount of rice starch in the growth tubes probably would not affect the lag phase. Spingarn and Edelman (1950) prolonged the lag phase markedly with the addition of 200 to 400 mg of rice starch, amount#s notably in excess of those used here.…”

Section: Experimental E$ect Of Rice Starchmentioning

confidence: 59%

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Gamma ray effects on trophozoites of Entamoeba histolytica

Schneider

Porter

1960

Experimental Parasitology

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Section: Experimental E$ect Of Rice Starchmentioning

confidence: 59%

“…That an excess of rice starch can prolong the lag phase was recognized by Spingarn and Edelman (1950). Accordingly, preliminary tests were performed to ascertain the magnitude of increase in lag phase that would be produced by adding the largest amount of rice st'arch feasible under the conditions of the experiments.…”

Section: Experimental E$ect Of Rice Starchmentioning

confidence: 99%

Gamma ray effects on trophozoites of Entamoeba histolytica

Schneider

Porter

1960

Experimental Parasitology

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A new medium containing antibiotics for the xenic cultivation ofEntamoeba gingivalis

Gannon

Linke

1990

Parasitol Res

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Diamond's trypticase-yeast extract-serum-gastric mucin (TYSGM-9) medium was studied for its suitability to support the xenic growth of the oral protozoan Entamoeba gingivalis. Amoebic growth was found to be best when the inoculum for transfer was 0.1 ml, the incubation temperature was 35 degrees C, and the interval between transfers was 48 h. These parameters were also useful for controlling the growth of accompanying bacteria. In addition, bacterial growth in xenic stock cultures, which had a direct effect on the activity of E. gingivalis trophozoites, was kept to a minimum by addition of the antibiotics piperacillin, erythromycin, neomycin, and penicillin. Varying substitutions and selected supplementations of TYSGM-9 medium led to the development of an improved medium for E. gingivalis. Supplements most beneficial for the growth of E. gingivalis trophozoites were ascorbic acid, ferric ammonium citrate, and special NCTC 107 vitamin mixture. As compared with TYSGM-9 medium (6-10 E. gingivalis trophozoites observed per field), the new E. gingivalis medium supported excellent growth (16-20 E. gingivalis trophozoites observed per field during optimal growth) of the oral protozoan. The medium is suitable for clinical isolation of E. gingivalis.

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Rate of growth of Entamoeba histolytica in different culture media

Botero¹

1961

Transactions of the Royal Society of Tropical Medicine and Hygi

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The Effect of Rice Powder on the Growth of Cultures of Endamoeba Histolytica 1

Cited by 5 publications

References 0 publications

Gamma ray effects on trophozoites of Entamoeba histolytica

Gamma ray effects on trophozoites of Entamoeba histolytica

A new medium containing antibiotics for the xenic cultivation ofEntamoeba gingivalis

Rate of growth of Entamoeba histolytica in different culture media

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