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Title |
Evolutionary changes in symbiont community structure in ticks |
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Year |
2017 |
Publication |
Molecular Ecology |
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Volume |
26 |
Issue |
11 |
Pages |
2905-2921 |
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Keywords |
co?evolution heritable symbiont communities maternally inherited bacteria symbiosis tick |
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Abstract |
Abstract 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 shows that some Coxiella?LE symbioses are evolutionarily stable with an ancient acquisition followed by codiversification as observed in ticks belonging to the Rhipicephalus genus. However, many other Coxiella?LE symbioses are characterized by low evolutionary stability with frequent host shifts and extinction events. Further examination revealed the presence of nine other genera of maternally inherited bacteria in ticks. Although these nine symbionts were primarily thought to be facultative, their distribution among tick species rather suggests that at least four may have independently replaced Coxiella?LE and likely represent alternative obligate symbionts. Phylogenetic evidence otherwise indicates that cocladogenesis is globally rare in these symbioses as most originate via horizontal transfer of an existing symbiont between unrelated tick species. As a result, the structure of these symbiont communities is not fixed and stable across the tick phylogeny. Most importantly, the symbiont communities commonly reach high levels of diversity with up to six unrelated maternally inherited bacteria coexisting within host species. We further conjecture that interactions among coexisting symbionts are pivotal drivers of community structure both among and within tick species. |
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333 |
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0962-1083 |
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0962-1083 |
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yes |
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6930 |
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Author |
Mccoy, K.d. |
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Title |
Patterns and processes underlying host-parasite population structures. (Invited seminar) |
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2017 |
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Biological Station of Donana, Seville Feb 14, 2017. Patterns and processes underlying host-parasite population structures. (Invited seminar) |
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333 |
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yes |
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6931 |
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Mccoy, K.d. |
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Title |
Que nous apprennent les parasites sur les mouvements de leurs hôtes ?: exemple d’un système tique-oiseaux marins. (Invited seminar) |
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2017 |
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Université de la Réunion, St Denis, Ile de la Réunion, Sept 14, 2017. Que nous apprennent les parasites sur les mouvements de leurs hôtes ?: exemple d’un système tique-oiseaux marins. (Invited seminar) |
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333 |
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yes |
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6932 |
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Dupraz, M., Toty, C., Boulinier, T., Dujardin, J.-P. & McCoy, K.D. |
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Title |
Caractéristiques moprhologiques et formation des races d'hôtes d'Ixodes uriae dans l'Atlantique nord. |
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2017 |
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Réunion annuelle du Groupe de travail « Tiques et Maladies à tique », Nantes, 7-9 mars 2017. |
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333 |
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yes |
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6933 |
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Author |
Boulinier, T. |
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Title |
The transfer of maternal antibodies: from evolutionary immunology to albatross conservation (Invited keynote). |
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2017 |
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International Conference on Albatrosses and Petrels (ICAP6). Keynote speaker, Barcelona, Spain. |
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333 |
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yes |
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6934 |
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Boulinier, T. & Garnier, R. |
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Title |
Is serology of wild animals still useful? And some suggestions on how to use it. |
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Communication |
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2017 |
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Communication orale à la Réunion 2017 du Groupe Immuno-Ecologie de Réseazu Ecologie des Interactions Durables (REID), 14-15 Septembre 2017, Montpellier. |
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333 |
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yes |
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6935 |
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Boulinier, T. & Besnard, A. |
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Title |
Mise en synergie possible des besoins et des acteurs pour les suivis de populations animales à partir de l’exemple d'activités de l’OSU OREME et du CEFE. |
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2017 |
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Communication orale invitée au Forum des utilisateurs d'ECOSCOPE, Paris, 2017. |
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333 |
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yes |
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6936 |
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Author |
Gamble, A., Garnier, R. & Boulinier, T. |
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Title |
Optimization of sampling designs in eco-epidemiologic studies based on the detection of antibodies. |
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2017 |
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Colloque ILTER-Zones Atelier, Nantes, 2017. |
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333 |
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yes |
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6937 |
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Author |
Boulinier, T. & McCoy, K.D. |
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Title |
Ecologie de la circulation d'agents infectieux dans les colonies de vertébrés en zones polaires: état des lieux, travaux en cours et perspectives |
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2016 |
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Symposium ZATA au colloque international de la Société Française d'Ecologie, Marseille, Octobre 2016. |
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333 |
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yes |
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6938 |
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Author |
Gamble, A., Garnier, R. & Boulinier, T. |
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Title |
Optimization of sampling designs in eco-epidemiologic studies based on the detection of antibodies |
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2017 |
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Abstract |
EURING Analytical meeting and workshop, July, Barcelona 2017. |
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333 |
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yes |
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6939 |
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