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Antibodies against medically relevant arthropod-borne viruses in the ubiquitous African rodent Mastomys natalensis
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Author summary One of the main causes of zoonotic related human morbidity and mortality is the transmission of arthropod-borne viruses such as dengue virus, Yellow Fever virus, and chikungunya virus. These viruses cannot only infect humans but also livestock, pets, and wildlife, though our understanding of their non-human hosts remains limited. Rodents are thought to be an important host for these viruses because they can be abundant, often live near humans, and some are already known to be viral hosts. However, research has focused mostly on non-human primates, neglecting other potential wild hosts. To address this gap, we have developed a high-throughput antibody test to screen rodent blood against 15 different arboviruses. Our findings reveal that Mastomys natalensis, a common African rodent species, carries antibodies that (cross-)react against these viruses. We hypothesize that immunologically naïve juveniles may drive transmission, particularly during population outbreaks. These outbreaks coincide with environmental conditions that are favorable for mosquitoes, thus increasing the risk of spillover to humans, livestock, and wildlife. Understanding the role of rodents in arbovirus transmission dynamics is crucial for mitigating zoonotic disease risks.
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RBINS Staff Publications 2023
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Fouilles archéologiques sur le site de l’ancien Parking 58, Bruxelles : premiers résultats
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RBINS Staff Publications 2025
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Addendum to the revision of the genus Dorysthenes (subgenus Paraphrus) Thomson, 1861, with the description of the female of Dorysthenes pilisternum Drumont & Ripaille, 2023 (Coleoptera, Cerambycidae, Prioninae, Prionini)
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RBINS Staff Publications 2024
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Characterization of a multiple burial context from Pachacamac, Peru: complementarity between bioarchaeology and molecular archaeology
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Pachacamac is a major precolumbian site located on Peru’s Central Coast. Covering approximately 6 km2, the site was occupied for over a thousand years before the Spanish conquest in the early sixteenth century. In 2012, the Ychsma Project discovered a unique Late Intermediate period (AD 900–1470) multiple burial (“Cx4”) made of two funerary chambers with a vegetal roof structure, containing over 110 intact and fragmentary deceased together with numerous grave goods. More than 60% of the individuals are subadults whose sex cannot be assigned using osteological observation. Among the adults, 23 females and 20 males were identified, and the sex of the remaining four individuals couldn’t be assigned with certainty. We aim to fully understand the sociobiology of the Cx4 population, including biological sex, using a combined bioarchaeology and molecular archaeology approach. Despite significant human modern contamination and low amounts of endogenous ancient DNA, our results show that sex could be assigned genetically in >70% of the cases, including subadults. Sex identification of infants, children and adolescents is crucial to fully understand this complex context and its funerary recruitment, and to perform an integrated and holistic analysis of all associated data.
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RBINS Staff Publications 2024
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Paleo-genetic and paleo-pathological studies at Pachacamac: methodological issues and characterization of a multiple burial context (in Spanish)
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Pachacamac is a major pre-Columbian site located on Peru’s Central Coast. Covering approximately 6 km2, the site was occupied for over a thousand years before the Spanish conquest in the early 16th century. In 2012, the Ychsma Project excavated a Late Intermediate Period (900 to 1470 AD) multiple tomb (Cx4) made of two funerary chambers covered by a vegetal roof, containing 89 deceased together with numerous grave goods. Over 60% of the individuals are subadults whose sex cannot be assigned based on osteological observations. Ancient DNA (aDNA) analysis can be useful for sex determination, general mitochondrial lineage (haplogroup) and disease diagnosis. However, non-endogenous DNA contamination of archaeological material is a recurrent problematic, since excavation, handling and storage usually don't fit with the precautions recommended for ancient DNA analysis. Nevertheless, we obtained aDNA results from several human individuals recovered from the Cx4 context. Our objectives are to complete the demographic information and to characterize the health status of the population buried in this pilgrimage site dedicated to the eponymous healing god. Despite significant human modern contamination and low amounts of endogenous ancient DNA, our results show that sex could be assigned genetically in >80% of the cases, including subadults. Sex identification of infants, children and adolescents is crucial to fully understand this complex context and its funerary recruitment, and to perform an integrated and holistic analysis of all associated data. The genetic data were also used to estimate the presence of several pathogens using the KrakenUniq taxonomical classification tool.
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RBINS Staff Publications 2024
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The Archaeology, Architecture and Afterlife of the Odeion of Ancient Sagalassos
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RBINS Staff Publications 2024
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A multidisciplinary investigation of Ebola virus circulation in Inkanamongo, Democratic Republic of Congo
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RBINS Staff Publications 2024
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Novel shrew-borne orthonairoviruses from the Democratic Republic of the Congo
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RBINS Staff Publications 2024
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Metagenomic screening of African wild meat from Congolese markets unveils the presence of a wide diversity of viruses
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RBINS Staff Publications 2024
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Catfishes from the North-Western Part of Lake Tanganyika: Contribution to a Reference Library of DNA Barcodes
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RBINS Staff Publications 2024