1
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Man C, Gilissen E, Michaud M. Sexual dimorphism in the cranium and endocast of the eastern lowland gorillas (Gorilla beringei graueri). J Hum Evol 2023; 184:103439. [PMID: 37804559 DOI: 10.1016/j.jhevol.2023.103439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 09/04/2023] [Accepted: 09/04/2023] [Indexed: 10/09/2023]
Abstract
Sexual dimorphism of the nervous system has been reported for a wide range of vertebrates. However, understanding of sexual dimorphism in primate cranial structures and soft tissues, and more particularly the brain, remains limited. In this study, we aimed to investigate the external and internal (i.e., endocast) cranial differences between male and female eastern lowland gorillas (Gorilla beringei graueri). We examined the differences in the size, shape, and disparity with the aim to compare how sexual dimorphism can impact these two structures distinctively, with a particular focus on the endocranium. To do so, we reconstructed gorilla external crania and endocasts from CT scans and used 3D geometric morphometric techniques combined with multivariate analyses to assess the cranial and endocranial differences between the sexes. Our results highlighted sexual dimorphism for the external cranium and endocast with regard to both size and shape. In particular, males display an elongated face accompanied by a pronounced sagittal crest and an elongated endocast along the rostroposterior axis, in contrast to females who are identified by a more rounded brain case and endocast. Males also show a significantly larger external cranium and endocast size than females. In addition, we described important differences for the posterior cranial fossae (i.e., the position of the cerebellum within the brain case) and olfactory bulb between the two sexes. Particularly, our results highlighted that, relatively to males, females have larger posterior cranial fossae, whereas males have been characterized by a larger and rostrally oriented olfactory bulb.
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Affiliation(s)
- Caitlin Man
- Laboratory of Ecology, Evolution and Biodiversity Conservation, Katholieke Universiteit Leuven, Charles Deberiotstraat 32 Bus 2439, 3000 Leuven, Belgium; Department of African Zoology, Royal Museum for Central Africa, Leuvensesteenweg 13, 3080 Tervuren, Belgium.
| | - Emmanuel Gilissen
- Department of African Zoology, Royal Museum for Central Africa, Leuvensesteenweg 13, 3080 Tervuren, Belgium; Laboratory of Histology and Neuropathology, Université Libre de Bruxelles, CP620 - Route de Lennik 808, 1070 Brussels, Belgium
| | - Margot Michaud
- Department of African Zoology, Royal Museum for Central Africa, Leuvensesteenweg 13, 3080 Tervuren, Belgium
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2
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Cordero GA. Turtle Shell Kinesis Underscores Constraints and Opportunities in the Evolution of the Vertebrate Musculoskeletal System. Integr Org Biol 2023; 5:obad033. [PMID: 37840690 PMCID: PMC10576247 DOI: 10.1093/iob/obad033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 08/04/2023] [Accepted: 09/03/2023] [Indexed: 10/17/2023] Open
Abstract
Species groups that feature traits with a low number of potentially variable (evolvable) character states are more likely to repeatedly evolve similar phenotypes, that is, convergence. To evaluate this phenomenon, this present paper addresses anatomical alterations in turtles that convergently evolved shell kinesis, for example, the movement of shell bones to better shield the head and extremities. Kinesis constitutes a major departure from the evolutionarily conserved shell of modern turtles, yet it has arisen independently at least 8 times. The hallmark signature of kinesis is the presence of shell bone articulations or "hinges," which arise via similar skeletal remodeling processes in species that do not share a recent common ancestor. Still, the internal biomechanical components that power kinesis may differ in such distantly related species. Complex diarthrodial joints and modified muscle connections expand the functional boundaries of the limb girdles and neck in a lineage-specific manner. Some lineages even exhibit mobility of thoracic and sacral vertebrae to facilitate shell closure. Depending on historical contingency and structural correlation, a myriad of anatomical alterations has yielded similar functional outcomes, that is, many-to-one mapping, during the convergent evolution of shell kinesis. The various iterations of this intricate phenotype illustrate the potential for the vertebrate musculoskeletal system to undergo evolutionary change, even when constraints are imposed by the development and structural complexity of a shelled body plan. Based on observations in turtles and comparisons to other vertebrates, a hypothetical framework that implicates functional interactions in the origination of novel musculoskeletal traits is presented.
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Affiliation(s)
- G A Cordero
- Department of Animal Biology, Centre for Ecology, Evolution and Environmental Changes, University of Lisbon, 1740-016 Lisbon, Portugal
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3
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Cornette R, Delapré A, Houssin C, Mulot B, Pouydebat E. Measuring the force of the tip of the elephants trunk. MethodsX 2022; 9:101896. [DOI: 10.1016/j.mex.2022.101896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 10/24/2022] [Indexed: 11/06/2022] Open
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4
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Costes P, Klein E, Delapré A, Houssin C, Nicolas V, Cornette R. Comparative morpho-functional analysis of the humerus and ulna in three Western European moles species of the genus Talpa, including the newly described T. aquitania. J Anat 2022; 242:257-276. [PMID: 36156797 PMCID: PMC9877487 DOI: 10.1111/joa.13772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 02/01/2023] Open
Abstract
The forelimb is involved in many behaviours including locomotion. Notably, the humero-ulnar articulation, implicated in the elbow joint, is of particular importance for both mobility and stability. Functional constraints, induced in part by environmental plasticity, are thought to drive an important part of the bone shape as bone directly responds and remodels in response to both muscle and external forces. In this context, the study of subterranean moles is of particular interest. These moles occupy a hard and heavy medium in comparison with air or water, requiring a powerful body structure to shear and shift the soil. Their general morphology is therefore adapted to digging and to their subterranean lifestyle. The various morpho-functional patterns, which drive diverse abilities according to the environment, are likely targets of natural selection and it is, therefore, useful to understand the relationships between the bone shape and their function. Here, we quantify, through 3D geometric morphometric methods, the interspecific variability in the morphology of the ulna and humerus of three Talpa species, including the new species Talpa aquitania, to infer their potential consequence in species digging performance. We also quantify shape covariation and morphological integration between the humerus and the ulna to test whether these bones evolve as a uniform functional unit or as more or less independent modules. Our results show that interspecific anatomical differences in the humerus and ulna exist among the three species. Shape changes are mostly located at the level of joints and muscle attachments. As the species tend to live in allopatry and the fossorial lifestyle induces strong ecological constraints, interspecific variations could be explained by the properties of the environment in which they live, such as the compactness of the soil. Our results also show that the humerus and ulna are highly integrated. The covariation between the humerus and ulna in moles is dominated by variation in the attachment areas and particularly of the attachment areas of shoulder muscles concerning the humerus, which affect the mechanical force deployed during locomotion and digging. This study also highlights that in the new species, T. aquitania, variations in anatomical structure (general shape and joints) exist and are related to the locality of collect of the individuals.
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Affiliation(s)
- Pauline Costes
- Institut de Systématique, Evolution, Biodiversité (ISYEB)UMR 7205, Muséum National d'Histoire Naturelle, CNRS, SU, EPHE, UAParisFrance,Mecanismes Adaptatifs et Évolution UMR 7179, CNRSMuséum National d'Histoire NaturelleParisFrance
| | - Estelle Klein
- Institut de Systématique, Evolution, Biodiversité (ISYEB)UMR 7205, Muséum National d'Histoire Naturelle, CNRS, SU, EPHE, UAParisFrance
| | - Arnaud Delapré
- Institut de Systématique, Evolution, Biodiversité (ISYEB)UMR 7205, Muséum National d'Histoire Naturelle, CNRS, SU, EPHE, UAParisFrance
| | - Céline Houssin
- Institut de Systématique, Evolution, Biodiversité (ISYEB)UMR 7205, Muséum National d'Histoire Naturelle, CNRS, SU, EPHE, UAParisFrance
| | - Violaine Nicolas
- Institut de Systématique, Evolution, Biodiversité (ISYEB)UMR 7205, Muséum National d'Histoire Naturelle, CNRS, SU, EPHE, UAParisFrance
| | - Raphaël Cornette
- Institut de Systématique, Evolution, Biodiversité (ISYEB)UMR 7205, Muséum National d'Histoire Naturelle, CNRS, SU, EPHE, UAParisFrance
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5
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Yitbarek D, Dagnaw GG. Application of Advanced Imaging Modalities in Veterinary Medicine: A Review. Vet Med (Auckl) 2022; 13:117-130. [PMID: 35669942 PMCID: PMC9166686 DOI: 10.2147/vmrr.s367040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 05/26/2022] [Indexed: 11/28/2022]
Abstract
Veterinary anatomy has traditionally relied on detailed dissections to produce anatomical illustrations, but modern imaging modalities, now represent an enormous resource that allows for fast non-invasive visualizations in living animals for clinical and research purposes. In this review, advanced anatomical imaging modalities and their applications, safety issues, challenges, and future prospects of the techniques commonly employed for animal imaging would be highlighted. The quality of diagnostic imaging equipment in veterinary practice has greatly improved. Recent advances made in veterinary advanced imaging specifically about cross-sectional modalities (CT and MRI), nuclear medicine (PET, SPECT), and dual imaging modalities (PET/CT, PET/MR, and SPECT/CT) have become widely available, leading to greater demands and expectations from veterinary clients. These modalities allow for the creation of three-dimensional representations that can be of considerable value in the dissemination of clinical diagnosis and anatomical studies. Despite, the modern imaging modalities well established in developed countries across the globe, it is yet to remain in its infancy stage in veterinary practice in developing countries due to heavy initial investment and maintenance costs, lack of expert interpretation, a requirement of specialized technical staff and need of adjustable machines to accommodate the different range of animal sizes. Therefore, veterinarians should take advantage of these imaging techniques in designing future experiments by considering the availability of these varied imaging modalities and the creation of three-dimensional graphical representations of internal structures.
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Affiliation(s)
| | - Gashaw Getaneh Dagnaw
- Department of Biomedical Sciences, College of Veterinary Medicine and Animal Sciences, University of Gondar, Gondar, Ethiopia
- Correspondence: Gashaw Getaneh Dagnaw, Department of Biomedical Sciences, College of Veterinary Medicine and Animal Sciences, University of Gondar, P.O. Box: 196, Gondar, Ethiopia, Email
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6
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Neaux D, Louail M, Ferchaud S, Surault J, Merceron G. Experimental assessment of the relationship between diet and mandibular morphology using a pig model: new insights for paleodietary reconstructions. Anat Rec (Hoboken) 2022; 305:3150-3160. [PMID: 35142076 DOI: 10.1002/ar.24895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/20/2022] [Accepted: 01/29/2022] [Indexed: 11/10/2022]
Abstract
Dietary habits exert significant selective pressures on anatomical structures in animals, leading to substantial morphological adaptations. Yet, the relationships between the mandible and diet are still unclear, raising issues for paleodietary reconstructions notably. To assess the impact of food hardness and size on morphological structures, we used an experimental baseline using a model based on the domestic pig, an omnivorous mammal with bunodont, thick-enameled dentition, and chewing movements similar to hominids. We hypothesized that the consumption of different types of seeds would result in substantial differences in the morphology of the mandible despite similar overall diets. The experiment was conducted on four groups of juvenile pigs fed with mixed cereal and soy flours. The control group received only flours. We supplemented the four others with either 10 hazelnuts, 30 hazelnuts, 30% barley seeds or 20% corn kernels per day. We investigated the shape differences between the controlled-fed groups using three-dimensional geometric morphometrics. Our results provide strong evidence that the supplemental consumption of a significant amount of seeds for a short period (95 days) substantially modify the mandibular morphology of pigs. Our analyses suggest that this shape differentiation is due to the size of the seeds, requiring high and repeated bite force, rather than their hardness. These results provide new perspectives for the use of mandibular morphology as a proxy in paleodietary reconstructions complementing dental microwear textures analyses. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Dimitri Neaux
- Archéozoologie, Archéobotanique: Sociétés, Pratiques et Environnements, UMR 7209, Muséum national d'Histoire naturelle CNRS, Paris, France.,Laboratoire PALEVOPRIM, UMR 7262 CNRS, Université de Poitiers, Poitiers, France
| | - Margot Louail
- Laboratoire PALEVOPRIM, UMR 7262 CNRS, Université de Poitiers, Poitiers, France
| | | | - Jérôme Surault
- Laboratoire PALEVOPRIM, UMR 7262 CNRS, Université de Poitiers, Poitiers, France
| | - Gildas Merceron
- Laboratoire PALEVOPRIM, UMR 7262 CNRS, Université de Poitiers, Poitiers, France
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7
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Voyta LL, Abramov AV, Lavrenchenko LA, Nicolas V, Petrova EA, Kryuchkova LY. Dental polymorphisms in Crocidura (Soricomorpha: Soricidae) and evolutionary diversification of crocidurine shrew dentition. Zool J Linn Soc 2021. [DOI: 10.1093/zoolinnean/zlab103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
The upper dentition of Crocidura exhibits polymorphic characters that were revealed for the first time in this study via high-resolution X-ray computed microtomography. Our analyses of 11 Crocidura species and selected Diplomesodon, Suncus and Sylvisorex species from different geographical regions and size groups revealed the most complex character states of upper dentition in the Ethiopian endemic species Crocidura yaldeni. A three-dimensionally based geometric morphometric analysis revealed the dependence of variation in skull muzzle shape on alterations in general upper dentition, such as a reduction in the number of antemolars. Principal components analysis revealed highly significant shape alterations and morphological trajectories in C. yaldeni (and more moderate ones in Suncus murinus) toward the Sorex-like morphotype in the outgroup, and less significant shape alterations in Crocidura obscurior, Crocidura phanluongi and Crocidura sapaensis with double-rooted third antemolar. Cladistic analysis based on a new data matrix for 20 species and 46 characters allowed us to determine the directions of the morphological trajectories: the apomorphic state of the most complex antemolars of C. yaldeni is associated with deviating skull muzzle shape changes, which we determined to be attributable to neomorphosis, and the less significant alterations in the shape of other Crocidura with complex antemolars are attributable to regional adaptation.
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Affiliation(s)
- Leonid L Voyta
- Laboratory of Theriology, Zoological Institute, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Alexei V Abramov
- Laboratory of Theriology, Zoological Institute, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Leonid A Lavrenchenko
- Laboratory of Mammalian Microevolution, A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
| | - Violaine Nicolas
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP51, Paris, France
| | - Ekaterina A Petrova
- Laboratory of Theriology, Zoological Institute, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Lyudmila Yu Kryuchkova
- Research Centre for X-ray Diffraction Studies, Saint Petersburg State University, Saint Petersburg, Russia
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8
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Geiger M. Pattern and pace of morphological change due to variable human impact: the case of Japanese macaques. Primates 2021; 62:955-970. [PMID: 34403015 PMCID: PMC8526449 DOI: 10.1007/s10329-021-00933-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/08/2021] [Indexed: 11/28/2022]
Abstract
Human impact influences morphological variation in animals, as documented in many captive and domestic animal populations. However, there are different levels of human impact, and their influence on the pattern and rate of morphological variation remains unclear. This study contributes to the ongoing debate via the examination of cranial and mandibular shape and size variation and pace of change in Japanese macaques (Macaca fuscata). This species is ideal for tackling such questions because different wild, wild-provisioned, and captive populations have been monitored and collected over seven decades. Linear measurements were taken on 70 skulls from five populations, grouped into three 'human impact groups' (wild, wild-provisioned, and captive). This made it possible to investigate the pattern and pace of skull form changes among the human impact groups as well as over time within the populations. It was found that the overall skull shape tends to differ among the human impact groups, with captive macaques having relatively longer rostra than wild ones. Whether these differences are a result of geographic variation or variable human impact, related to nutritional supply and mechanical properties of the diet, is unclear. However, this pattern of directed changes did not seem to hold when the single captive populations were examined in detail. Although environmental conditions have probably been similar for the two examined captive populations (same captive locality), skull shape changes over the first generations in captivity were mostly different. This varying pattern, together with a consistent decrease in body size in the captive populations over generations, points to genetic drift playing a role in shaping skull shape and body size in captivity. In the captive groups investigated here, the rates of change were found to be high compared to literature records from settings featuring different degrees of human impact in different species, although they still lie in the range of field studies in a natural context. This adds to the view that human impact might not necessarily lead to particularly fast rates of change.
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Affiliation(s)
- Madeleine Geiger
- Palaeontological Institute and Museum, University of Zurich, Karl-Schmid-Strasse 4, CH-8006, Zurich, Switzerland.
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9
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Taverne M, Dutel H, Fagan M, Štambuk A, Lisičić D, Tadić Z, Fabre AC, Herrel A. From micro to macroevolution: drivers of shape variation in an island radiation of Podarcis lizards. Evolution 2021; 75:2685-2707. [PMID: 34382693 DOI: 10.1111/evo.14326] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 07/16/2021] [Accepted: 07/21/2021] [Indexed: 11/30/2022]
Abstract
Phenotypictraits have been shown to evolve in response to variation in the environment. However, the evolutionary processes underlying the emergence of phenotypic diversity can typically only be understood at the population level. Consequently, how subtle phenotypic differences at the intraspecific level can give rise to larger-scale changes in performance and ecology remains poorly understood. We here tested for the covariation between ecology, bite force, jaw muscle architecture, and the three-dimensional shape of the cranium and mandible in 16 insular populations of the lizards Podarcis melisellensis and P. sicula. We then compared the patterns observed at the among-population level with those observed at the interspecific level. We found that three-dimensional head shape as well as jaw musculature evolve similarly under similar ecological circumstances. Depending on the type of food consumed or on the level of sexual competition, different muscle groups were more developed and appeared to underlie changes in cranium and mandible shape. Our findings show that the local selective regimes are primary drivers of phenotypic variation resulting in predictable patterns of form and function. Moreover, intraspecific patterns of variation were generally consistent with those at the interspecific level, suggesting that microevolutionary variation may translate into macroevolutionary patterns of ecomorphological diversity.
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Affiliation(s)
- Maxime Taverne
- UMR 7179, Département Adaptations du Vivant, Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique, Paris, France
| | - Hugo Dutel
- School of Earth Sciences, University of Bristol, Bristol, UK.,Department of Engineering, Medical and Biological Engineering Research Group, University of Hull, Hull, UK
| | - Michael Fagan
- Department of Engineering, Medical and Biological Engineering Research Group, University of Hull, Hull, UK
| | - Anamaria Štambuk
- Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Duje Lisičić
- Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Zoran Tadić
- Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | | | - Anthony Herrel
- UMR 7179, Département Adaptations du Vivant, Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique, Paris, France
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10
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Brassard C, Merlin M, Monchâtre-Leroy E, Guintard C, Barrat J, Garès H, Larralle A, Triquet R, Houssin C, Callou C, Cornette R, Herrel A. Masticatory system integration in a commensal canid: interrelationships between bones, muscles and bite force in the red fox. J Exp Biol 2021; 224:jeb.224394. [DOI: 10.1242/jeb.224394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 01/28/2021] [Indexed: 12/20/2022]
Abstract
ABSTRACT
The jaw system in canids is essential for defence and prey acquisition. However, how it varies in wild species in comparison with domestic species remains poorly understood, yet is of interest in terms of understanding the impact of artificial selection. Here, we explored the variability and interrelationships between the upper and lower jaws, muscle architecture and bite force in the red fox (Vulpes vulpes). We performed dissections and used 3D geometric morphometric approaches to quantify jaw shape in 68 foxes. We used a static lever model and bite force estimates were compared with in vivo measurements of 10 silver foxes. Our results show strong relationships exist between cranial and mandible shape, and between cranial or mandible shape on the one hand and muscles or estimated bite force on the other hand, confirming the strong integration of the bony and muscular components of the jaw system. These strong relationships are strongly driven by size. The functional links between shape and estimated bite force are stronger for the mandible, which probably reflects its greater specialisation towards biting. We then compared our results with data previously obtained for dogs (Canis lupus familiaris) to investigate the effect of domestication. Foxes and dogs differ in skull shape and muscle physiological cross-sectional area (PCSA). They show a similar amount of morphological variation in muscle PCSA, but foxes show lower variation in cranial and mandible shape. Interestingly, the patterns of covariation are not stronger in foxes than in dogs, suggesting that domestication did not lead to a disruption of the functional links of the jaw system.
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Affiliation(s)
- Colline Brassard
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
- Archéozoologie, archéobotanique: sociétés, pratiques et environnements (AASPE), Muséum national d'Histoire naturelle, CNRS, CP55, 57 rue Cuvier, 75005 Paris, France
| | - Marilaine Merlin
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
| | - Elodie Monchâtre-Leroy
- ANSES, Laboratoire de la rage et de la faune sauvage, Station expérimentale d'Atton, CS 40009, 54220 Malzéville, France
| | - Claude Guintard
- Laboratoire d'Anatomie comparée, Ecole Nationale Vétérinaire, de l'Agroalimentaire et de l'Alimentation, Nantes Atlantique – ONIRIS, Nantes Cedex 03, France
- GEROM, UPRES EA 4658, LABCOM ANR NEXTBONE, Faculté de santé de l'Université d'Angers, 49933 Angers Cedex, France
| | - Jacques Barrat
- ANSES, Laboratoire de la rage et de la faune sauvage, Station expérimentale d'Atton, CS 40009, 54220 Malzéville, France
| | - Hélène Garès
- Direction des Services Vétérinaires – D.D.C.S.P.P. de la Dordogne, 24000 Périgueux, France
| | | | - Raymond Triquet
- Université de Lille III, Domaine Universitaire du Pont de Bois BP 60149, Villeneuve d'ascq Cedex 59653, France
| | - Céline Houssin
- Institut de Systématique, Evolution, Biodiversité (ISYEB), CNRS, Muséum national d'Histoire naturelle, Sorbonne Université, Ecole Pratique des hautes Etudes, Université des Antilles, CNRS, CP 50, 57 rue Cuvier, 75005 Paris, France
| | - Cécile Callou
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
| | - Raphaël Cornette
- Institut de Systématique, Evolution, Biodiversité (ISYEB), CNRS, Muséum national d'Histoire naturelle, Sorbonne Université, Ecole Pratique des hautes Etudes, Université des Antilles, CNRS, CP 50, 57 rue Cuvier, 75005 Paris, France
| | - Anthony Herrel
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
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11
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Neaux D, Blanc B, Ortiz K, Locatelli Y, Laurens F, Baly I, Callou C, Lecompte F, Cornette R, Sansalone G, Haruda A, Schafberg R, Vigne JD, Debat V, Herrel A, Cucchi T. How Changes in Functional Demands Associated with Captivity Affect the Skull Shape of a Wild Boar (Sus scrofa). Evol Biol 2020. [DOI: 10.1007/s11692-020-09521-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Brassard C, Merlin M, Guintard C, Monchâtre-Leroy E, Barrat J, Callou C, Cornette R, Herrel A. Interrelations Between the Cranium, the Mandible and Muscle Architecture in Modern Domestic Dogs. Evol Biol 2020. [DOI: 10.1007/s11692-020-09515-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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13
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Ferreira-Cardoso S, Fabre PH, de Thoisy B, Delsuc F, Hautier L. Comparative masticatory myology in anteaters and its implications for interpreting morphological convergence in myrmecophagous placentals. PeerJ 2020; 8:e9690. [PMID: 32983632 PMCID: PMC7491420 DOI: 10.7717/peerj.9690] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 07/19/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Ecological adaptations of mammals are reflected in the morphological diversity of their feeding apparatus, which includes differences in tooth crown morphologies, variation in snout size, or changes in muscles of the feeding apparatus. The adaptability of their feeding apparatus allowed them to optimize resource exploitation in a wide range of habitats. The combination of computer-assisted X-ray microtomography (µ-CT) with contrast-enhancing staining protocols has bolstered the reconstruction of three-dimensional (3D) models of muscles. This new approach allows for accurate descriptions of muscular anatomy, as well as the quick measurement of muscle volumes and fiber orientation. Ant- and termite-eating (myrmecophagy) represents a case of extreme feeding specialization, which is usually accompanied by tooth reduction or complete tooth loss, snout elongation, acquisition of a long vermiform tongue, and loss of the zygomatic arch. Many of these traits evolved independently in distantly-related mammalian lineages. Previous reports on South American anteaters (Vermilingua) have shown major changes in the masticatory, intermandibular, and lingual muscular apparatus. These changes have been related to a functional shift in the role of upper and lower jaws in the evolutionary context of their complete loss of teeth and masticatory ability. METHODS We used an iodine staining solution (I2KI) to perform contrast-enhanced µ-CT scanning on heads of the pygmy (Cyclopes didactylus), collared (Tamandua tetradactyla) and giant (Myrmecophaga tridactyla) anteaters. We reconstructed the musculature of the feeding apparatus of the three extant anteater genera using 3D reconstructions complemented with classical dissections of the specimens. We performed a description of the musculature of the feeding apparatus in the two morphologically divergent vermilinguan families (Myrmecophagidae and Cyclopedidae) and compared it to the association of morphological features found in other myrmecophagous placentals. RESULTS We found that pygmy anteaters (Cyclopes) present a relatively larger and architecturally complex temporal musculature than that of collared (Tamandua) and giant (Myrmecophaga) anteaters, but shows a reduced masseter musculature, including the loss of the deep masseter. The loss of this muscle concurs with the loss of the jugal bone in Cyclopedidae. We show that anteaters, pangolins, and aardvarks present distinct anatomies despite morphological and ecological convergences.
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Affiliation(s)
- Sérgio Ferreira-Cardoso
- CNRS, IRD, EPHE, Université de Montpellier, Institut des Sciences de l’Evolution de Montpellier (ISEM), Montpellier, France
| | - Pierre-Henri Fabre
- CNRS, IRD, EPHE, Université de Montpellier, Institut des Sciences de l’Evolution de Montpellier (ISEM), Montpellier, France
- Mammal Section, Life Sciences, Vertebrate Division, The Natural History Museum, London, United Kingdom
| | - Benoit de Thoisy
- Institut Pasteur de la Guyane, Cayenne, French Guiana, France
- Kwata NGO, Cayenne, French Guiana, France
| | - Frédéric Delsuc
- CNRS, IRD, EPHE, Université de Montpellier, Institut des Sciences de l’Evolution de Montpellier (ISEM), Montpellier, France
| | - Lionel Hautier
- CNRS, IRD, EPHE, Université de Montpellier, Institut des Sciences de l’Evolution de Montpellier (ISEM), Montpellier, France
- Mammal Section, Life Sciences, Vertebrate Division, The Natural History Museum, London, United Kingdom
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14
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Brassard C, Merlin M, Guintard C, Monchâtre-Leroy E, Barrat J, Bausmayer N, Bausmayer S, Bausmayer A, Beyer M, Varlet A, Houssin C, Callou C, Cornette R, Herrel A. Bite force and its relationship to jaw shape in domestic dogs. J Exp Biol 2020; 223:jeb224352. [PMID: 32587065 DOI: 10.1242/jeb.224352] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 06/18/2020] [Indexed: 08/26/2023]
Abstract
Previous studies based on two-dimensional methods have suggested that the great morphological variability of cranial shape in domestic dogs has impacted bite performance. Here, we used a three-dimensional biomechanical model based on dissection data to estimate the bite force of 47 dogs of various breeds at several bite points and gape angles. In vivo bite force for three Belgian shepherd dogs was used to validate our model. We then used three-dimensional geometric morphometrics to investigate the drivers of bite force variation and to describe the relationships between the overall shape of the jaws and bite force. The model output shows that bite force is rather variable in dogs and that dogs bite harder on the molar teeth and at lower gape angles. Half of the bite force is determined by the temporal muscle. Bite force also increased with size, and brachycephalic dogs showed higher bite forces for their size than mesocephalic dogs. We obtained significant covariation between the shape of the upper or lower jaw and absolute or residual bite force. Our results demonstrate that domestication has not resulted in a disruption of the functional links in the jaw system in dogs and that mandible shape is a good predictor of bite force.
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Affiliation(s)
- Colline Brassard
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum National d'Histoire Naturelle, CNRS, 55 rue Buffon, 75005 Paris, France
- Archéozoologie, Archéobotanique: Sociétés, Pratiques et Environnements (AASPE), Muséum National d'Histoire Naturelle, CNRS, CP55, 57 rue Cuvier, 75005 Paris, France
| | - Marilaine Merlin
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum National d'Histoire Naturelle, CNRS, 55 rue Buffon, 75005 Paris, France
| | - Claude Guintard
- ANSES, Laboratoire de la Rage et de la Faune Sauvage, Station Expérimentale d'Atton, CS 40009 54220 Malzéville, France
- Laboratoire d'Anatomie Comparée, Ecole Nationale Vétérinaire, de l'Agroalimentaire et de l'Alimentation, Nantes Atlantique - ONIRIS, Nantes Cedex 03, France
| | - Elodie Monchâtre-Leroy
- GEROM, UPRES EA 4658, LABCOM ANR NEXTBONE, Faculté de Santé de l'Université d'Angers, 49933 Angers Cedex, France
| | - Jacques Barrat
- GEROM, UPRES EA 4658, LABCOM ANR NEXTBONE, Faculté de Santé de l'Université d'Angers, 49933 Angers Cedex, France
| | - Nathalie Bausmayer
- Club de Chiens de Défense de Beauvais, avenue Jean Rostand, 60 000 Beauvais, France
- Société Centrale Canine, 155 Avenue Jean Jaurès, 93300 Aubervilliers, France
| | - Stéphane Bausmayer
- Club de Chiens de Défense de Beauvais, avenue Jean Rostand, 60 000 Beauvais, France
- Société Centrale Canine, 155 Avenue Jean Jaurès, 93300 Aubervilliers, France
| | - Adrien Bausmayer
- Club de Chiens de Défense de Beauvais, avenue Jean Rostand, 60 000 Beauvais, France
- Société Centrale Canine, 155 Avenue Jean Jaurès, 93300 Aubervilliers, France
| | - Michel Beyer
- Club de Chiens de Défense de Beauvais, avenue Jean Rostand, 60 000 Beauvais, France
- Société Centrale Canine, 155 Avenue Jean Jaurès, 93300 Aubervilliers, France
| | - André Varlet
- Société Centrale Canine, 155 Avenue Jean Jaurès, 93300 Aubervilliers, France
| | - Céline Houssin
- Institut de Systématique, Evolution, Biodiversité (ISYEB), CNRS, Muséum National d'Histoire Naturelle, Sorbonne Université, Ecole Pratique des Hautes Etudes, Université des Antilles, CNRS, CP 50, 57 rue Cuvier, 75005 Paris, France
| | - Cécile Callou
- Archéozoologie, Archéobotanique: Sociétés, Pratiques et Environnements (AASPE), Muséum National d'Histoire Naturelle, CNRS, CP55, 57 rue Cuvier, 75005 Paris, France
| | - Raphaël Cornette
- Institut de Systématique, Evolution, Biodiversité (ISYEB), CNRS, Muséum National d'Histoire Naturelle, Sorbonne Université, Ecole Pratique des Hautes Etudes, Université des Antilles, CNRS, CP 50, 57 rue Cuvier, 75005 Paris, France
| | - Anthony Herrel
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum National d'Histoire Naturelle, CNRS, 55 rue Buffon, 75005 Paris, France
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15
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Abstract
Abstract
Trade-offs are thought to be important in constraining evolutionary divergence as they may limit phenotypic diversification. The cranial system plays a vital role in many functions including defensive, territorial, predatory and feeding behaviours in addition to housing the brain and sensory systems. Consequently, the morphology of the cranial system is affected by a combination of selective pressures that may induce functional trade-offs. Limbless, head-first burrowers are thought to be constrained in their cranial morphology as narrow heads may provide a functional advantage for burrowing. However, having a wide and large head is likely beneficial in terms of bite performance. We used 15 skink species to test for the existence of trade-offs between maximal push and bite forces, and explored the patterns of covariation between external head and body morphology and performance. Our data show that there is no evidence of a trade-off between bite and burrowing in terms of maximal force. Species that generate high push forces also generate high bite forces. Our data also show that overall head size covaries with both performance traits. However, future studies exploring trade-offs between force and speed or the energetic cost of burrowing may reveal other trade-offs.
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16
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17
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Martin ML, Travouillon KJ, Sherratt E, Fleming PA, Warburton NM. Covariation between forelimb muscle anatomy and bone shape in an Australian scratch‐digging marsupial: Comparison of morphometric methods. J Morphol 2019; 280:1900-1915. [DOI: 10.1002/jmor.21074] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 09/20/2019] [Accepted: 10/07/2019] [Indexed: 01/24/2023]
Affiliation(s)
- Meg L. Martin
- Environmental and Conservation SciencesMurdoch University Murdoch Western Australia Australia
| | - Kenny J. Travouillon
- Department of Terrestrial ZoologyWestern Australian Museum Welshpool Western Australia Australia
| | - Emma Sherratt
- School of Biological SciencesUniversity of Adelaide, North Terrace Adelaide South Australia Australia
| | - Patricia A. Fleming
- Environmental and Conservation SciencesMurdoch University Murdoch Western Australia Australia
| | - Natalie M. Warburton
- Medical, Molecular, and Forensic SciencesMurdoch University Murdoch Western Australia Australia
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18
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Cordero GA, Stearns S, Quinteros K, Berns CM, Binz SM, Janzen F. The postembryonic transformation of the shell in emydine box turtles. Evol Dev 2019; 21:297-310. [PMID: 31441599 DOI: 10.1111/ede.12307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A key trend in the 210-million-year-old history of modern turtles was the evolution of shell kinesis, that is, shell movement during neck and limb retraction. Kinesis is hypothesized to enhance predator defense in small terrestrial and semiaquatic turtles and has evolved multiple times since the early Cretaceous. This complex phenotype is nonfunctional and far from fully differentiated following embryogenesis. Instead, kinesis develops slowly in juveniles, providing a unique opportunity to illustrate the postembryonic origins of an adaptive trait. To this end, we examined ventral shell (plastral) kinesis in emydine box turtles and found that hatchling plastron shape differs from that of akinetic-shelled relatives, particularly where the hinge that enables kinesis differentiates. We also demonstrated shape changes relative to plastron size in juveniles, coinciding with a shift in the carapace-plastron structural connection, rearrangement of ectodermal plates, and bone repatterning. Furthermore, because the shell grows larger relative to the head, complete concealment of the head and extremities is only achieved after relative shell proportions increase. Structural alterations that facilitate the box turtle's transformation are probably prepatterned in embryos but require function-induced changes to differentiate in juveniles. This mode of delayed trait differentiation is essential to phenotypic diversification in turtles and perhaps other tetrapods.
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Affiliation(s)
- Gerardo A Cordero
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa, USA.,Department of Geosciences, Eberhard-Karls-Universität Tübingen, Tübingen, Germany
| | - Samantha Stearns
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa, USA
| | - Kevin Quinteros
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa, USA
| | - Chelsea M Berns
- Department of Biology, Salisbury University, Salisbury, Maryland, USA
| | - Steven M Binz
- Department of Physics, Salisbury University, Salisbury, Maryland, USA
| | - Fredric Janzen
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa, USA
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19
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Bardua C, Felice RN, Watanabe A, Fabre AC, Goswami A. A Practical Guide to Sliding and Surface Semilandmarks in Morphometric Analyses. Integr Org Biol 2019; 1:obz016. [PMID: 33791531 PMCID: PMC7780474 DOI: 10.1093/iob/obz016] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Advances in imaging technologies, such as computed tomography (CT) and surface scanning, have facilitated the rapid generation of large datasets of high-resolution three-dimensional (3D) specimen reconstructions in recent years. The wealth of phenotypic information available from these datasets has the potential to inform our understanding of morphological variation and evolution. However, the ever-increasing ease of compiling 3D datasets has created an urgent need for sophisticated methods of capturing high-density shape data that reflect the biological complexity in form. Landmarks often do not take full advantage of the rich shape information available from high-resolution 3D specimen reconstructions, as they are typically restricted to sutures or processes that can be reliably identified across specimens and exclude most of the surface morphology. The development of sliding and surface semilandmark techniques has greatly enhanced the quantification of shape, but their application to diverse datasets can be challenging, especially when dealing with the variable absence of some regions within a structure. Using comprehensive 3D datasets of crania that span the entire clades of birds, squamates and caecilians, we demonstrate methods for capturing morphology across incredibly diverse shapes. We detail many of the difficulties associated with applying semilandmarks to comparable regions across highly disparate structures, and provide solutions to some of these challenges, while considering the consequences of decisions one makes in applying these approaches. Finally, we analyze the benefits of high-density sliding semilandmark approaches over landmark-only studies for capturing shape across diverse organisms and discuss the promise of these approaches for the study of organismal form.
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Affiliation(s)
- C Bardua
- Department of Life Sciences, Natural History Museum, Cromwell Rd, Kensington, London, SW7 5BD, UK.,Department of Genetics, Evolution & Environment, University College London, Gower St, Bloomsbury, London, WC1E 6BT, UK
| | - R N Felice
- Centre for Integrative Anatomy, Department of Cell and Developmental Biology, University College London, Gower St, Bloomsbury, London, WC1E 6BT, UK
| | - A Watanabe
- Department of Life Sciences, Natural History Museum, Cromwell Rd, Kensington, London, SW7 5BD, UK.,Department of Anatomy, New York Institute of Technology College of Osteopathic Medicine, Northern Blvd, Old Westbury, NY 11568, USA.,Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, USA
| | - A-C Fabre
- Department of Life Sciences, Natural History Museum, Cromwell Rd, Kensington, London, SW7 5BD, UK
| | - A Goswami
- Department of Life Sciences, Natural History Museum, Cromwell Rd, Kensington, London, SW7 5BD, UK.,Department of Genetics, Evolution & Environment, University College London, Gower St, Bloomsbury, London, WC1E 6BT, UK
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20
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Fabre AC, Perry JMG, Hartstone-Rose A, Lowie A, Boens A, Dumont M. Do Muscles Constrain Skull Shape Evolution in Strepsirrhines? Anat Rec (Hoboken) 2018; 301:291-310. [DOI: 10.1002/ar.23712] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 07/27/2017] [Accepted: 08/24/2017] [Indexed: 12/30/2022]
Affiliation(s)
- Anne-Claire Fabre
- UMR 7179, Département Adaptations du Vivant, Museum National d'Histoire Naturelle; Centre National de la Recherche Scientifique; 75005 Paris France
| | - Jonathan M. G. Perry
- Center for Functional Anatomy and Evolution; The Johns Hopkins University School of Medicine; Baltimore Maryland
| | | | - AuróLien Lowie
- UMR 7179, Département Adaptations du Vivant, Museum National d'Histoire Naturelle; Centre National de la Recherche Scientifique; 75005 Paris France
| | - Andy Boens
- UMR 7179, Département Adaptations du Vivant, Museum National d'Histoire Naturelle; Centre National de la Recherche Scientifique; 75005 Paris France
| | - MaÏtena Dumont
- UMR 7179, Département Adaptations du Vivant, Museum National d'Histoire Naturelle; Centre National de la Recherche Scientifique; 75005 Paris France
- Uppsala Universitet; Uppsala Sweden
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21
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22
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Böhmer C, Böhmer E. Shape Variation in the Craniomandibular System and Prevalence of Dental Problems in Domestic Rabbits: A Case Study in Evolutionary Veterinary Science. Vet Sci 2017; 4:vetsci4010005. [PMID: 29056664 PMCID: PMC5606619 DOI: 10.3390/vetsci4010005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Revised: 01/09/2017] [Accepted: 01/18/2017] [Indexed: 12/20/2022] Open
Abstract
In contrast to wild lagomorphs, pet rabbits exhibit a noticeably high frequency of dental problems. Although dietary habits are considered as a major factor contributing to acquired malocclusions, the exact causes and interrelationships are still under debate. In this regard, an important aspect that has not been considered thoroughly to date is the effect of diet-induced phenotypic plasticity in skull morphology. Therefore, we conducted a geometric morphometric analysis on skull radiological images of wild and pet rabbits in order to quantify intraspecific variation in craniomandibular morphology. The statistical analyses reveal a significant morphological differentiation of the craniomandibular system between both groups. Furthermore, the analysis of covariance shows that the force-generating modules (cranium and mandible) vary independently from the force-receiving module (hypselodont teeth) in pet rabbits, which is in contrast to their wild relatives. Our findings suggest that the phenotypic changes in domestic rabbits impact mastication performance and, consequently, oral health. An adequate close-to-nature nutrition throughout the whole life and especially beginning early parallel to weaning (phase of increased phenotypic plasticity) is necessary to ensure a normal strain on the teeth by promoting physiological lateral gliding movements and avoiding direct axial loads.
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Affiliation(s)
- Christine Böhmer
- UMR 7179 CNRS, Muséum National d'Histoire Naturelle, CP 55, 57 rue Cuvier, 75231 Paris Cedex 05, France.
| | - Estella Böhmer
- Chirurgische und Gynäkologische Kleintierklinik ,Tierärztliche Fakultät, Ludwig-Maximilians-Universität München, Veterinärstr 13, München 80539, Germany.
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23
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Botton-Divet L, Cornette R, Fabre AC, Herrel A, Houssaye A. Morphological Analysis of Long Bones in Semi-aquatic Mustelids and their Terrestrial Relatives. Integr Comp Biol 2016; 56:1298-1309. [DOI: 10.1093/icb/icw124] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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24
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Dollion AY, Measey GJ, Cornette R, Carne L, Tolley KA, Silva JM, Boistel R, Fabre A, Herrel A. Does diet drive the evolution of head shape and bite force in chameleons of the genusBradypodion? Funct Ecol 2016. [DOI: 10.1111/1365-2435.12750] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - G. John Measey
- Department of Botany and Zoology Centre for Invasion Biology Stellenbosch University Private Bag X1 Matieland 7602 Stellenbosch South Africa
| | - Raphaël Cornette
- ‘Institut de Systématique, Evolution, Biodiversité’ (ISYEB) UMR 7205 CNRS/MNHN/UPMC/EPHE 45 rue Buffon 75005 Paris France
| | - Liza Carne
- Department of Zoology Nelson Mandela Metropolitan University PO Box 77000 Port Elizabeth6031 South Africa
| | - Krystal A. Tolley
- Kirstenbosch Research Centre South African National Biodiversity Institute Private Bag X7 Claremont 7735 Cape Town South Africa
- Department of Botany and Zoology Stellenbosch University Private Bag X1 Matieland 7602 Stellenbosch South Africa
| | - Jessica M. Silva
- Kirstenbosch Research Centre South African National Biodiversity Institute Private Bag X7 Claremont 7735 Cape Town South Africa
| | - Renaud Boistel
- IPHEP, CNRS UMR 7262 Université de Poitiers 6 rue Michel Brunet 86073 Poitiers France
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25
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Gargan LM, Cornette R, Yearsley JM, Montgomery WI, Paupério J, Alves PC, Butler F, Pascal M, Tresset A, Herrel A, Lusby J, Tosh DG, Searle JB, McDevitt AD. Molecular and morphological insights into the origin of the invasive greater white-toothed shrew (Crocidura russula) in Ireland. Biol Invasions 2016. [DOI: 10.1007/s10530-016-1056-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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26
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Dumont M, Wall CE, Botton-Divet L, Goswami A, Peigné S, Fabre AC. Do functional demands associated with locomotor habitat, diet, and activity pattern drive skull shape evolution in musteloid carnivorans? Biol J Linn Soc Lond 2015. [DOI: 10.1111/bij.12719] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Maïtena Dumont
- UMR CNRS/MNHN 7179; “Mécanismes adaptatifs: des organismes aux communautés”; 55 Rue Buffon 75005 Paris France
| | - Christine E. Wall
- Evolutionary Anthropology; Duke University; Durham NC 27708-0383 USA
| | - Léo Botton-Divet
- UMR CNRS/MNHN 7179; “Mécanismes adaptatifs: des organismes aux communautés”; 55 Rue Buffon 75005 Paris France
| | - Anjali Goswami
- Department of Genetics, Evolution, and Environment and Department of Earth Sciences; University College London; Darwin Building 118A Gower Street London WC1E 6BT UK
| | - Stéphane Peigné
- CR2P - UMR 7207 CNRS; MNHN; Univ Paris 06 Paris 75005 France
| | - Anne-Claire Fabre
- Evolutionary Anthropology; Duke University; Durham NC 27708-0383 USA
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27
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Botton-Divet L, Houssaye A, Herrel A, Fabre AC, Cornette R. Tools for quantitative form description; an evaluation of different software packages for semi-landmark analysis. PeerJ 2015; 3:e1417. [PMID: 26618086 PMCID: PMC4655098 DOI: 10.7717/peerj.1417] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 10/30/2015] [Indexed: 12/28/2022] Open
Abstract
The challenging complexity of biological structures has led to the development of several methods for quantitative analyses of form. Bones are shaped by the interaction of historical (phylogenetic), structural, and functional constrains. Consequently, bone shape has been investigated intensively in an evolutionary context. Geometric morphometric approaches allow the description of the shape of an object in all of its biological complexity. However, when biological objects present only few anatomical landmarks, sliding semi-landmarks may provide good descriptors of shape. The sliding procedure, mandatory for sliding semi-landmarks, requires several steps that may be time-consuming. We here compare the time required by two different software packages (‘Edgewarp’ and ‘Morpho’) for the same sliding task, and investigate potential differences in the results and biological interpretation. ‘Morpho’ is much faster than ‘Edgewarp,’ notably as a result of the greater computational power of the ‘Morpho’ software routines and the complexity of the ‘Edgewarp’ workflow. Morphospaces obtained using both software packages are similar and provide a consistent description of the biological variability. The principal differences between the two software packages are observed in areas characterized by abrupt changes in the bone topography. In summary, both software packages perform equally well in terms of the description of biological structures, yet differ in the simplicity of the workflow and time needed to perform the analyses.
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Affiliation(s)
- Léo Botton-Divet
- UMR 7179, Mécadev, Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique , Paris , France ; Université Denis Diderot (Paris VII) , Paris , France
| | - Alexandra Houssaye
- UMR 7179, Mécadev, Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique , Paris , France
| | - Anthony Herrel
- UMR 7179, Mécadev, Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique , Paris , France ; Evolutionary Morphology of Vertebrates, Ghent University , Ghent , Belgium
| | - Anne-Claire Fabre
- Animal Locomotion Laboratory, Department of Evolutionary Anthropology, Duke University , Durham, NC , USA
| | - Raphael Cornette
- UMR 7205, Institut de Systématique, Évolution, Biodiversité, Centre National de la Recherche Scientifique, Muséum National d'Histoire Naturelle, Université Pierre et Marie Curie, Ecole Publique des Hautes Études , Paris , France
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