Results 11 to 20 of about 12,848 (216)

Systematic identification of gene families for use as markers for phylogenetic and phylogeny- driven ecological studies of bacteria and archaea and their major subgroups [PDF]

open access: yes, 2013
With the astonishing rate that the genomic and metagenomic sequence data sets are accumulating, there are many reasons to constrain the data analyses.
Eisen, Jonathan A.   +2 more
core   +8 more sources

Chlamydial infection from outside to inside [PDF]

open access: yes, 2019
Chlamydia are obligate intracellular bacteria, characterized by a unique biphasic developmental cycle. Specific interactions with the host cell are crucial for the bacteria's survival and amplification because of the reduced chlamydial genome.
Gitsels, Arlieke   +2 more
core   +2 more sources

Chlamydiae has contributed at least 55 genes to Plantae with predominantly plastid functions. [PDF]

open access: yesPLoS ONE, 2008
BACKGROUND:The photosynthetic organelle (plastid) originated via primary endosymbiosis in which a phagotrophic protist captured and harnessed a cyanobacterium.
Ahmed Moustafa   +2 more
doaj   +1 more source

Pathogen-host reorganization during Chlamydia invasion revealed by cryo-electron tomography [PDF]

open access: yes, 2014
Invasion of host cells is a key early event during bacterial infection, but the underlying pathogen-host interactions are yet to be fully visualised in three-dimensional detail.
Hackstadt T.   +6 more
core   +1 more source

Interaction of different Chlamydiae species with bovine spermatozoa

open access: yesBMC Microbiology, 2019
Background Interaction of spermatozoa and Chlamydiae spp. might contribute to reduced fertility in cattle. To proof this hypothesis, bovine semen was incubated with viable or heat inactivated Chlamydia (C.) abortus or psittaci (Multiplicity of infection =
Thomas Eckert   +6 more
doaj   +1 more source

Amoebal endosymbiont Parachlamydia acanthamoebae Bn9 can grow in immortal human epithelial HEp-2 cells at low temperature; an in vitro model system to study chlamydial evolution. [PDF]

open access: yesPLoS ONE, 2015
Ancient chlamydiae diverged into pathogenic and environmental chlamydiae 0.7-1.4 billion years ago. However, how pathogenic chlamydiae adapted to mammalian cells that provide a stable niche at approximately 37 °C, remains unknown, although environmental ...
Chikayo Yamane   +11 more
doaj   +1 more source

Chlamydia species-dependent differences in the growth requirement for lysosomes.

open access: yesPLoS ONE, 2011
Genome reduction is a hallmark of obligate intracellular pathogens such as Chlamydia, where adaptation to intracellular growth has resulted in the elimination of genes encoding biosynthetic enzymes.
Scot P Ouellette   +4 more
doaj   +1 more source

Presence of Waddlia chondrophila in hot water systems from non-domestic buildings in France [PDF]

open access: yes, 2018
Postprint (author's final ...
Agustí Adalid, Gemma   +4 more
core   +2 more sources

Protochlamydia naegleriophila as Etiologic Agent of Pneumonia

open access: yesEmerging Infectious Diseases, 2008
Using ameba coculture, we grew a Naegleria endosymbiont. Phenotypic, genetic, and phylogenetic analyses supported its affiliation as Protochlamydia naegleriophila sp. nov. We then developed a specific diagnostic PCR for Protochlamydia spp.
Nicola Casson   +4 more
doaj   +1 more source

Animal Chlamydiae: A Concern for Human and Veterinary Medicine

open access: yesPathogens, 2022
The Chlamydiae are a phylum of obligate intracellular, Gram-negative bacteria with a biphasic lifecycle [...]
Hanna Marti, Martina Jelocnik
doaj   +1 more source

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