Evolutionary changes in symbiont community structure in ticks

@article{Duron2017EvolutionaryCI,
  title={Evolutionary changes in symbiont community structure in ticks},
  author={Olivier Duron and Florian Binetruy and Val{\'e}rie No{\"e}l and Julie Cremaschi and Karen D. McCoy and Celine Arnathau and Olivier Plantard and John A. Goolsby and Adalberto A. P{\'e}rez de Le{\'o}n and Dieter J. A. Heylen and A Raoul Van Oosten and Yuval Gottlieb and Gad Baneth and Alberto Alejandro Guglielmone and Agust{\'i}n Estrada-Pe{\~n}a and Maxwell Nwachukwu Opara and Lionel Zenner and Fabrice Vavre and Christine Chevillon},
  journal={Molecular Ecology},
  year={2017},
  volume={26}
}
Ecological specialization to restricted diet niches is driven by obligate, and often maternally inherited, symbionts in many arthropod lineages. These heritable symbionts typically form evolutionarily stable associations with arthropods that can last for millions of years. Ticks were recently found to harbour such an obligate symbiont, Coxiella‐LE, that synthesizes B vitamins and cofactors not obtained in sufficient quantities from blood diet. In this study, the examination of 81 tick species… 

Microbial community structure reveals instability of nutritional symbiosis during the evolutionary radiation of Amblyomma ticks

Examination of bacterial diversity in 25 tick species of the genus Amblyomma showed that three intracellular bacteria, Coxiella‐like endosymbionts (LE), Francisella‐LE and Rickettsia, are remarkably common, and found evidence for symbiont replacements during the radiation of AmblyMA, with recent, and probably ongoing, invasions by Francisella-LE and subsequent replacements of ancestral Coxiellas through transient co‐infections.

Ecological Contacts and Host Specificity Promote Replacement of Nutritional Endosymbionts in Ticks

It is demonstrated that Francisella -LE commonly transfer through similar ecological networks and geographic distributions shared among different tick species and, in certain cases, through preferential shuffling across congeneric tick species.

A dual endosymbiosis drives nutritional adaptation to hematophagy in the invasive tick Hyalomma marginatum

It is shown that the invasive tick Hyalomma marginatum harbors a unique dual-partner nutritional system between an ancestral symbiont, Francisella, and a more recently acquired symbionts, Midichloria, which is a key mechanism for advanced adaptation of arthropods to specialized diets.

A dual endosymbiosis supports nutritional adaptation to hematophagy in the invasive tick Hyalomma marginatum

It is evidence here that the invasive tick Hyalomma marginatum harbors a unique dual-partner nutritional system between an ancestral symbiont, Francisella, and a more recently acquired symbionts, Midichloria.

Sequence of a Coxiella Endosymbiont of the Tick Amblyomma nuttalli Suggests a Pattern of Convergent Genome Reduction in the Coxiella Genus

The genome sequence of a novel Coxiella, endosymbiont of the African tick Amblyomma nuttalli is provided and it is inferred that this pathogen could be closer to an ancestral state of the endosYmbionts, rather than being derived from an endos ymbiotic ancestor, as previously hypothesized.

Maternally inherited symbiotic bacteria in ticks: incidence and biological importance

A comprehensive view of symbionts in ticks is overviewed to help understand tick-symbiont associations, and may help to develop new strategies to control ticks and tick-borne diseases.

Genomic Changes During the Evolution of the Coxiella Genus Along the Parasitism-Mutualism Continuum

The Coxiellaceae family is composed of five genera showing lifestyles ranging from free-living to symbiosis. Among them, Coxiella burnetii is a well-known pathogen causing Q fever in humans. This

A Coxiella mutualist symbiont is essential to the development of Rhipicephalus microplus

The cattle tick Rhipicephalus microplus is a hematophagous ectoparasite that causes important economic losses in livestock. Different species of ticks harbor a symbiont bacterium of the genus
...

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