First description of two moderately halophilic and psychrotolerant Mycoplasma 
species isolated from cephalopods and proposal of Mycoplasma marinum sp. nov. 
and Mycoplasma todarodis sp. nov

Ramirez, Ana S.; Vega-Orellana, Orestes M.; Viver, Tomeu; Poveda, Jose B.; Rosales, Ruben S.; Poveda, Carlos G.; Spergser, Joachim; Szostak, Michael P.; Jose Caballero, Ma; Ressel, Lorenzo; Bradbury, Janet M.; Mar Tavio, Ma; Karthikeyan, Smruthi; Amann, Rudolf; Konstantinidis, Konstantinos T.; Rossello-Mora, Ramon

doi:10.1016/j.syapm.2019.04.003

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First description of two moderately halophilic and psychrotolerant Mycoplasma species isolated from cephalopods and proposal of Mycoplasma marinum sp. nov. and Mycoplasma todarodis sp. nov

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Amann, Rudolf
Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Citation

Ramirez, A. S., Vega-Orellana, O. M., Viver, T., Poveda, J. B., Rosales, R. S., Poveda, C. G., et al. (2019). First description of two moderately halophilic and psychrotolerant Mycoplasma species isolated from cephalopods and proposal of Mycoplasma marinum sp. nov. and Mycoplasma todarodis sp. nov. Systematic and Applied Microbiology, 42(4), 457-467. doi:10.1016/j.syapm.2019.04.003.

Cite as: https://hdl.handle.net/21.11116/0000-0005-BA4D-4

Abstract

Two moderately halophilic and psychrotolerant new Mycoplasma species
were isolated from common cephalopods. Three strains were isolated in
pure culture from two individual European flying squid (Todarodes
sagittatus), and two individual octopuses (Octopus vulgaris). The
strains showed optimal growth at 25 degrees C and a salinity of 3% (w/v)
NaCl. Molecular analyses revealed that the isolates belonged to two new,
but phylogenetically related species, divergent from all previously
described Mollicutes, representing the first marine isolates of the
class, and also the first Mycoplasma strains for which NaCl requirement
has been demonstrated. A genome search against all available marine
metagenomes and 16S rRNA gene databases indicated that these two species
represent a novel non-free-living marine lineage of Mollicutes,
specifically associated with marine animals. Morphology and physiology
were compatible with other members of this group, and genomic and
phenotypic analyses demonstrated that these organisms represent two
novel species of the genus Mycoplasma, for which the names Mycoplasma
marinum sp. nov. and Mycoplasma todarodis sp. nov. are proposed; the
type strains are PET (DSM 105487(T), CIP 111404(T)) and 5H(T) (DSM
105,488(T), CIP 111405(T)), respectively. (C) 2019 Elsevier GmbH. All
rights reserved.