Increased Sister Chromatid Exchange in Human Lymphocyte Cultures Infected with Mycoplasma
Open Access
- 1 August 1984
- journal article
- research article
- Published by Wiley in Microbiology and Immunology
- Vol. 28 (8), 893-901
- https://doi.org/10.1111/j.1348-0421.1984.tb00745.x
Abstract
The effects of fermenting, poorly arginine‐utilizing Mycoplasma fermentans and arginine‐utilizing Mycoplasma salivarium on the frequency of sister chromatid exchange (SCE) in cultured human lymphocytes were examined. M. fermentans caused no apparent mitosis inhibition of lymphocytes and the increase in SCE frequency was dependent on the inoculum size of the mycoplasma. An evident increase in SCE frequency was observed in lymphocytes infected with smaller inoculum sizes of M. salivarium whereas there was mitosis inhibition of lymphocytes infected with larger inoculum sizes of the mycoplasma. In lymphocyte cultures infected with M. salivarium, the addition of arginine to the culture medium reduced mitosis inhibition but did not diminish the increase in SCE frequency, indicating that arginine depletion was not involved in causing the induction of SCEs in mycoplasma‐infected lymphocytes. With regard to the genetic effectiveness of SCE, these results suggested that mycoplasmas are capable of inducing cytogenetic changes in infected host cells.This publication has 18 references indexed in Scilit:
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