@article{PAR00014423, title = {{D}evelopmental cycle and genome analysis of "{R}ubidus massiliensis," a new {V}ermamoeba vermiformis pathogen}, author = {{K}halil, {J}. {Y}. {B}. and {B}enamar, {S}. and {B}audoin, {J}. {P}. and {C}roce, {O}. and {B}lanc-{T}ailleur, {C}. and {P}agnier, {I}. and {R}aoult, {D}idier and {L}a {S}cola, {B}.}, editor = {}, language = {{ENG}}, abstract = {{T}he study of amoeba-associated {C}hlamydiae is a dynamic field in which new species are increasingly reported. {I}n the present work, we characterized the developmental cycle and analyzed the genome of a new member of this group associated with {V}ermarnoeba vermiforrnis, we propose to name "{R}ubidus rnassiliensis." {T}his bacterium is well-adapted to its amoeba host and do not reside inside of inclusion vacuoles after phagocytosis. {I}t has a developmental cycle typical of this family of bacteria, with a transition from condensed elementary bodies to hypodense replicative reticulate bodies. {M}ultiplication occurs through binary fission of the reticulate bodies. {T}he genome of "{R}. massiliensis" consists of a 2.8 {M}bp chromosome and two plasmids (p{R}ml, p{R}m2) consisting of 39,075 bp and 80,897 bp, respectively, a feature that is unique within this group. {T}he {R}e-analysis of the {C}hlamydiales genomes including the one of "{R}. massiliensis" slightly modified the previous phylogeny of the tic gene encoding the {ADP}/{ATP} translocase. {O}ur analysis suggested that the tic gene could have been transferred to plant and algal plastids before the transfer to {R}ickettsiales, and that this gene was probably duplicated several times.}, keywords = {chlamydiae ; {V}ermamoeba vermiformis ; co-culture ; host specificity ; {R}ubidus massiliensis}, booktitle = {}, journal = {{F}rontiers in {C}ellular and {I}nfection {M}icrobiology}, volume = {6}, numero = {}, pages = {art. 31}, ISSN = {2235-2988}, year = {2016}, DOI = {10.3389/fcimb.2016.00031}, URL = {https://www.documentation.ird.fr/hor/{PAR}00014423}, }