Abstract
The Gram-positive methanogenic endosymbiont of the sapropelic ciliateMetopus striatus was isolated and identified asMethanobacterium formicicum. In the ciliate cell the methanogens are in close association with microbody-like organelles. No mitochondria could be detected. The nature of the microbodies and the physiological background of the observed association are discussed.
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van Bruggen, J.J.A., Zwart, K.B., van Assema, R.M. et al. Methanobacterium formicicum, an endosymbiont of the anaerobic ciliateMetopus striatus McMurrich. Arch. Microbiol. 139, 1–7 (1984). https://doi.org/10.1007/BF00692703
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DOI: https://doi.org/10.1007/BF00692703