5 Works

Divergent strategies in faeces avoidance between two cercopithecoid primates

Cécile Sarabian, Barthélémy Ngoubangoye & Andrew MacIntosh
Parasites constitute a major selective pressure which has shaped animal behaviour through evolutionary time. One adaption to parasites consists of recognizing and avoiding substrates or cues that indicate their presence. Among substrates harbouring infectious agents, faeces are known to elicit avoidance behaviour in numerous animal species. However, the function and mechanisms of faeces avoidance in non-human primates has been largely overlooked by scientists. In this study, we used an experimental approach to investigate whether aversion...

Data from: Habitat segregation and ecological character displacement in cryptic African malaria mosquitoes

Billy Tene Fossog, Diego Ayala, Pelayo Acevedo, Pierre Kengne, Ignacio Ngomo Abeso Mebuy, Boris Makanga, Julie Magnus, Parfait Awono-Ambene, Flobert Njiokou, Marco Pombi, Christophe Antonio-Nkondjio, Christophe Paupy, Nora J. Besansky & Carlo Costantini
Understanding how divergent selection generates adaptive phenotypic and population diversification provides a mechanistic explanation of speciation in recently separated species pairs. Toward this goal, we sought ecological gradients of divergence between the cryptic malaria vectors Anopheles coluzzii and An. gambiae, and then looked for a physiological trait that may underlie such divergence. Using a large set of occurrence records and eco-geographical information, we built a distribution model to predict the predominance of the two species...

Data from: Natural Wolbachia infections are common in the major malaria vectors in Central Africa

Diego Ayala, Ousman Akone-Ella, Nil Rahola, Pierre Kengne, Marc F. Ngangue, Fabrice Mezeme, Boris K. Makanga, Martha Nigg, Carlo Costantini, Frederic Simard, Franck Prugnolle, Benjamin Roche, Olivier Duron & Christophe Paupy
During the last decade, the endosymbiont bacterium Wolbachia has emerged as a biological tool for vector disease control. However, for long time, it was believed that Wolbachia was absent in natural populations of Anopheles. The recent discovery that species within the Anopheles gambiae complex host Wolbachia in natural conditions has opened new opportunities for malaria control research in Africa. Here, we investigated the prevalence and diversity of Wolbachia infection in 25 African Anopheles species in...

Data from: A new malaria agent in African hominids.

Benjamin Ollomo, Patrick Durand, Franck Prugnolle, Emmanuel J. P. Douzery, Céline Arnathau, Dieudonné Nkoghe, Eric Leroy & François Renaud
Plasmodium falciparum is the major human malaria agent responsible for 200 to 300 million infections and one to three million deaths annually, mainly among African infants. The origin and evolution of this pathogen within the human lineage is still unresolved. A single species, P. reichenowi, which infects chimpanzees, is known to be a close sister lineage of P. falciparum. Here we report the discovery of a new Plasmodium species infecting Hominids. This new species has...

Data from: Plasmodium vivax-like genome sequences shed new insights into Plasmodium vivax biology and evolution

Aude Gilabert, Thomas D. Otto, Gavin G. Rutledge, Blaise Franzon, Benjamin Ollomo, Céline Arnathau, Patrick Durand, Nancy D. Moukodoum, Alain-Prince Okouga, Barthélémy Ngoubangoye, Boris Makanga, Larson Boundenga, Christophe Paupy, François Renaud, Franck Prugnolle & Virginie Rougeron
Although Plasmodium vivax is responsible for the majority of malaria infections outside Africa, little is known about its evolution and pathway to humans. Its closest genetic relative, Plasmodium vivax-like, was discovered in African great apes and is hypothesized to have given rise to P. vivax in humans. To unravel the evolutionary history and adaptation of P. vivax to different host environments, we generated using long and short read sequence technologies two new P. vivax-like reference...

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