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Article Reference Applicability of DNA barcoding to museum specimens of birds from the Democratic Republic of the Congo
The ornithological collections of the Royal Museum for Central Africa in Tervuren and the Royal Belgian Institute of Natural Sciences in Brussels contain approximately 155 000 specimens collected in the Democratic Republic of the Congo (DRC) . They include type specimens and other samples from historical populations that represent an exceptional source of information for exploring how habitat fragmentation due to deforestation or global climate changes affect patterns of biodiversity in African birds . By attempting to obtain DNA sequences from these archive collections we intend to make them useful for genetic studies and to contribute to a reference library of DNA sequences, thus allowing the future iden- tification of Central African bird species through DNA barcodes . Our project aims to sequence approximately 950 mu- seum specimens, representing 225 species, collected between 1845 and 2008 . Our preliminary results reveal that the degradation of DNA in most museum specimens does not allow the amplification of the standard DNA barcode fragment (694 bp) . Nevertheless, we have been able to sequence shorter fragments (298 bp and 100 bp) for the majority of the selected specimens, implying that the collections in the RMCA and the RBINS contain DNA information that remains useful for barcoding purposes . More elaborate experiments might yield longer DNA sequences for phylogenetic and phylogeographic studies .
Located in Library / RBINS Staff Publications
Article Reference Application du logiciel de modélisation musculosquelettique lhpFusionBox à une problématique paléoanthropologique. Spyrou le Néandertalien marche !
Résumé LhpFusionBox est un logiciel développé pour des études biomécaniques et cliniques relatives au système musculosquelettique des hommes anatomiquement modernes (HAM). Il a été récemment adapté aux problématiques paléoanthropologiques et utilisé pour l’étude biomécanique de la locomotion des hominidés fossiles. Il n’existe aucun squelette de Néandertalien complet. Le but de notre étude a consisté à réaliser un modèle virtuel en trois dimensions (3D) du squelette relativement complet du Néandertalien Spy II et à tester la faisabilité d’une analyse biomécanique de la locomotion du genou et des bras de levier des muscles ischio-jambiers. Des ossements appartenant à d’autres individus néandertaliens ont été mis à l’échelle de ceux de Spy II afin de remplacer les ossements incomplets ou manquants. Ces études biomécaniques préliminaires semblent montrer que les Néandertaliens et les HAM ont une locomotion comparable. Les Néandertaliens semblent avoir des bras de levier plus grands au niveau des muscles de la cuisse, ce qui pourrait leur procurer un avantage biomécanique. Le squelette obtenu a été imprimé en 3D et a servi de base à la reconstruction artistique de Spyrou qui est hébergée en l’espace de l’homme de Spy (EHoS). [Application of the musculo-skeletal modelling software lhpFusionBox to a paleoanthropological problem: the Spyrou Neandertal moves!] Abstract LhpFusionBox is a program originally designed for biomechanical and clinical studies relating to the musculoskeletal system of anatomically modern humans (AMH). The program has recently been adapted for paleontological purposes and used to reconstruct and biomechanically analyse a fossil hominid. There is no complete Neandertal skeleton in the fossil record. The aim of the study was to reconstruct a complete three-dimensional (3D) model of a Neandertal using the relatively complete Spy II Neandertal and to conduct biomechanical feasibility studies on the knee and hamstring moment arms of the skeleton. Different Neandertal specimens were scaled to the size of Spy II to replace incomplete or missing bones. Biomechanical feasibility studies performed on the knee seem to show that Neandertal and AMHh gait is similar and Neandertals were shown to have larger moment arms in the hamstring muscles, which would have given them a mechanical advantage. The complete Neandertal was printed in 3D and used as the base to create the artistic model of “Spyrou” housed at l’Espace de l’Homme de Spy (EHoS) museum.
Located in Library / RBINS Staff Publications
Article Reference Applications of imaging methodologies to paleoanthropology: beneficial results relating to the preservation, management and development of collections
The limited number of unearthed fossils and their accessibility are factors that hinder paleoanthropological studies. Original remains, but also osteological collections of extant specimens, have to be curated in optimal and adapted environments, and direct manipulation needs to be limited in order to preserve this irreplaceable patrimony. Imaging methodologies have recently provided ways for innovative advances in the preservation of these collections, as well as offering new perspectives to museographic displays and original scientific studies. Here, we describe recent examples of developments obtained from imaging methodologies and discuss methodological and ethical implications of these new “virtual” collections. Undeniably, “virtual anthropology” is an additional tool in our large set of analytical possibilities and for curators, with its specific constraints related to the particular nature of the analysed material. Finally, we suggest some possible guidelines for the optimisation of the preservation, management and development of collections while preserving their scientific exploitation.
Located in Library / RBINS Staff Publications
Article Reference Applications of PCR-RFLPs for differentiating two freshwater sponges: Ephydatia fluviatilis and Ephydatia mülleri
Located in Library / RBINS Staff Publications
Article Reference Applying micro-CT imaging in the study of historically and newly collected specimens of Belosaepia (Sepiida, Coleoidea, Cephalopoda) from the Early Eocene (Ypresian) of Belgium
Located in Library / RBINS Staff Publications 2022
Article Reference Apport à la connaissance des heligmonevra de l'Afrique Occidentale et description d'une nouvelle espèce (Diptera, Asilidae)
Located in Library / RBINS Staff Publications
Article Reference Apport de la micro-usure dentaire à la reconstitution du régime alimentaire des anciens Pascuans
Located in Library / RBINS Staff Publications
Inbook Reference Apport des analyses chimiques d'ossements à la connaissance des régimes alimentaires au Moyen Âge
Located in Library / RBINS Staff Publications
Article Reference Apports récents sur l'anthropologie des Mésolithiques et des Néolithiques mosans
Located in Library / RBINS Staff Publications
Article Reference Approche des pratiques agricoles durant le haut Moyen Âge en Hesbaye : étude de l’habitat rural de Lohincou/Villers-le-Bouillet (Province de Liège, Belgique)
Located in Library / RBINS Staff Publications 2017