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

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.
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Frontiers in Cellular and Infection Microbiology, Frontiers Media, 2017, 7, pp.385. 〈10.3389/fcimb.2017.00385〉
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Samia Benamar, Jacques Y. Bou Khalil, Caroline Blanc-Tailleur, Melhem Bilen, Lina Barrassi, et al.. Developmental Cycle and Genome Analysis of Protochlamydia massiliensis sp nov a New Species in the Parachlamydiacae Family. Frontiers in Cellular and Infection Microbiology, Frontiers Media, 2017, 7, pp.385. 〈10.3389/fcimb.2017.00385〉. 〈hal-01730965〉

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