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Article Reference Collagen Extraction from Recent and Fossil Bones: Quantitative and Qualitative Aspects
Type I collagen is the major protein in bones. The mineral matrix protects collagen from denaturation, thus permitting the recovery of large collagen peptides from fossil bones thousands or millions of years old. Collagen peptides are more or less denatured in fossil bones, with diagenetic alteration being the major cause of such denaturation. Classical extraction methods alter the remaining large collagen peptides by extensive solubilization. A method is described here that used shorter collagen solubilization times. Resulting collagen yields are favourably compared with classical methods. The size of the large peptide (10 kDa) fraction improves considerably. Combined with a particular concentration step, the use of this shorter solubilization technique should be useful for collagen analyses that necessitate large peptides, as in the case of palaeoimmunology. © 1995 Academic Press. All rights reserved.
Located in Library / RBINS Staff Publications
Article Reference Collagen stable isotopes provide insights into the end of the mammoth steppe in the central East European plains during the Epigravettian
Higher δ15N values in bone collagen of mammoth (Mammuthus primigenius) compared with coeval large herbivores is a classic trait of the mammoth steppe. An exception applies to the Epigravettian site of Mezhyrich (ca. 18–17.4 ka cal BP) in the central East European plains, where mammoth bones have δ15N values equivalent to or in a lower range than those of horse specimens (Equus sp.). We expanded our preliminary dataset to a larger sampling size of mammoth, other large herbivores, and carnivores from contemporaneous and nearby sites of Buzhanka 2, Eliseevichi, and Yudinovo. The unusual low mammoth δ15N values were confirmed at Buzhanka 2 and for some specimens from Eliseevichi, while most individuals from Yudinovo displayed the expected high δ15N values, meaning similar to those of the large canids. The possibility of a contrast in migration pattern is not supported since the δ34S values, a marker of mobility, do not correlate with the δ15N values of mammoth bone collagen. No clear chronological tendency could be revealed, at least not at the scale of radiocarbon dating. The low range in δ15N values is likely to reflect a change in the specific niche of the mammoth in the southern part of its distribution.
Located in Library / RBINS Staff Publications 2018
Article Reference Collecting and processing living, non-marine Ostracods
Located in Library / RBINS Staff Publications 2016
Webpublished Reference Collecting information and identification of Oscarella from Cabo Frio, Brazil (Porifera, Homoscleromorpha, Oscarellidae)
Located in Library / RBINS Staff Publications 2022 OA
Techreport Reference Collision risk for six seabird species in the first Belgian offshore wind farm zone
Located in Library / RBINS Staff Publications 2020
Techreport Reference Collision risk for six seabirds species in the first Belgian offshore wind farm zone
Located in Library / RBINS Staff Publications 2020
Article Reference Colonization and diversification by the Chydorus sphaericus complex in the East African sky islands
Located in Library / RBINS Staff Publications
Article Reference Color variations in Muricopsis principensis Rolán & Fernandes, 1991 (Gastropoda, Muricidae) from Príncipe Island
Located in Library / RBINS Staff Publications
Article Reference Colourful rivers: archaeobotanical remains of dye plants from urban fluvial deposits in the southern Low Countries (Belgium)
Although dye plants were a key element in the medieval cloth industry, their use has rarely been documented through archaeobotanical studies. This paper describes and discusses new archaeobotanical finds related to textile dyeing in the southern Low Countries, which was among the most important areas of cloth production and export in Europe during the late medieval period. Remains of weld, madder and woad, the three main medieval dye plant species, were identified via archaeobotanical analysis and high-performance liquid chromatography with photodiode array detection (HPLC-PDA). The remains were found in river deposits, dating between the 10th/12th and 15th century, from two medieval cloth-producing towns, Brussels and Mechelen. Most likely, the finds must be interpreted as waste discarded by textile dyers, which were often concentrated along the urban riverbanks. This study not only documents the use of dye plants in both cities, but also demonstrates the importance of archaeobotanical analyses of fluvial deposits for the reconstruction of artisanal activities within ancient towns. The assemblages are confronted with historic sources and mapped with other medieval remains of dye plants in the region.
Located in Library / RBINS Staff Publications 2024
Article Reference Combined High-Throughput Imaging and Sequencing: Addressing the collections on demand requirement in SYNTHESYS+ project
Imagine you are a scientist, working on collections. You have your pet taxon and you need information which is distributed in a number of books and publications but also in the specimens deposited in$~$Museums or Herbaria. Instead of paying visits to these establishments, around the world, you wish there was a means to transform all the information you need into a digitized form of the physical objects, you can reach from the screen of your laptop, tablet or cell phone. You dream you were able to watch, inspect and even dissect the type material you need online but also to compare it with others they way sequences are blasted against large databases, these days. You plan to make global research on this taxon and try to derive patterns from both the molecular and organismal level of the biological organization and to link the patterns resulting to the drivers of change for this taxon.$~$This is the vision of the Virtual Museum of Natural History and one of the ways to achieve this vision is to address the “collections on demand” requirement. One of the possible means to address this requirement is the digitization through the use of the micro-ct technology. The micro-CT virtual laboratory (vLab), developed by LifeWatchGreece research infrastructure (RI), makes it possible the online exploration and dissemination of micro-CT datasets, which are only rarely made available to the public due to their large size and a lack of dedicated online platforms for the interactive manipulation of 3D data. This presentation shows the development of such a “collections on demand” function, implemented by the SYNTHESYS+ project (DiSSCo RI), which combines such high-throughput technologies, that is micro-ct and genomics, to address the scientific communityʼs requirements. We show that this approach to combine patterns deriving from the application of novel techniques, which represent different kinds of observations is possible and we propose certain case studies as examples. The innovation aspects of this function include: Expansion and development of cost models for Collections on Demand; Development of standards and guidelines for exchange of collection-derived imaging data; Construction of new data pipelines and standard workflows, enabling access to complex digital content such as 3D scans; Development of novel molecular lab protocols, workflows and informatics pipelines, to enable large scale; DNA sequencing of NH collections.
Located in Library / RBINS Staff Publications 2019