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Front Cell Infect Microbiol. 2017 Aug 31;7:385. doi: 10.3389/fcimb.2017.00385. eCollection 2017.

Developmental Cycle and Genome Analysis of Protochlamydia massiliensis sp. nov. a New Species in the Parachlamydiacae Family.

Author information

1
Unite de Recherche sur les Maladies Infectieuses et Tropicales Emergentes, UM63 Centre National de la Recherche Scientifique 7278 IRD 198 Institut National de la Santé et de la Recherche Médicale U1095, Institut Hospitalo-Universitaire Mediterranee InfectionMarseille, France.

Abstract

Amoeba-associated microorganisms (AAMs) are frequently isolated from water networks. In this paper, we report the isolation and characterization of Protochlamydia massiliensis, an obligate intracellular Gram-negative bacterium belonging to the Parachlamydiaceae family in the Chlamydiales order, from a cooling water tower. This bacterium was isolated on Vermamoeba vermiformis. It has a multiple range of hosts among amoeba and is characterized by a typical replication cycle of Chlamydiae with a particularity, recently shown in some chlamydia, which is the absence of inclusion vacuoles in the V. vermiformis host, adding by this a new member of Chlamydiae undergoing developmental cycle changes in the newly adapted host V. vermiformis. Draft genome sequencing revealed a chromosome of 2.86 Mb consisting of four contigs and a plasmid of 92 Kb.

KEYWORDS:

CRISPR; Chlamydiae; Protochlamydia massiliensis; Vermamoeba vermiformis; co-culture

PMID:
28913180
PMCID:
PMC5583166
DOI:
10.3389/fcimb.2017.00385
[Indexed for MEDLINE]
Free PMC Article

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