1
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Sansalone G, Wroe S, Coates G, Attard MRG, Fruciano C. Unexpectedly uneven distribution of functional trade-offs explains cranial morphological diversity in carnivores. Nat Commun 2024; 15:3275. [PMID: 38627430 PMCID: PMC11021405 DOI: 10.1038/s41467-024-47620-x] [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: 06/28/2023] [Accepted: 04/08/2024] [Indexed: 04/19/2024] Open
Abstract
Functional trade-offs can affect patterns of morphological and ecological evolution as well as the magnitude of morphological changes through evolutionary time. Using morpho-functional landscape modelling on the cranium of 132 carnivore species, we focused on the macroevolutionary effects of the trade-off between bite force and bite velocity. Here, we show that rates of evolution in form (morphology) are decoupled from rates of evolution in function. Further, we found theoretical morphologies optimising for velocity to be more diverse, while a much smaller phenotypic space was occupied by shapes optimising force. This pattern of differential representation of different functions in theoretical morphological space was highly correlated with patterns of actual morphological disparity. We hypothesise that many-to-one mapping of cranium shape on function may prevent the detection of direct relationships between form and function. As comparatively only few morphologies optimise bite force, species optimising this function may be less abundant because they are less likely to evolve. This, in turn, may explain why certain clades are less variable than others. Given the ubiquity of functional trade-offs in biological systems, these patterns may be general and may help to explain the unevenness of morphological and functional diversity across the tree of life.
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Affiliation(s)
- Gabriele Sansalone
- Institute for Marine Biological Resources and Biotechnology (CNR-IRBIM), National Research Council, Via S. Raineri 4, 98122, Messina, Italy.
- Function, Evolution and Anatomy Research Lab, Zoology Division, School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia.
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 213D, 41125, Modena, Italy.
| | - Stephen Wroe
- Function, Evolution and Anatomy Research Lab, Zoology Division, School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
| | - Geoffrey Coates
- Function, Evolution and Anatomy Research Lab, Zoology Division, School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
| | - Marie R G Attard
- Function, Evolution and Anatomy Research Lab, Zoology Division, School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
- British Antarctic Survey, High Cross, Madingley Road, CB3 0ET, Cambridge, UK
| | - Carmelo Fruciano
- Institute for Marine Biological Resources and Biotechnology (CNR-IRBIM), National Research Council, Via S. Raineri 4, 98122, Messina, Italy.
- National Biodiversity Future Center, Piazza Marina 61, 90133, Palermo, Italy.
- Department of Biological, Geological and Environmental Sciences, University of Catania, via Androne 81, 95124, Catania, Italy.
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2
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Tseng ZJ, Garcia-Lara S, Flynn JJ, Holmes E, Rowe TB, Dickson BV. A switch in jaw form-function coupling during the evolution of mammals. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220091. [PMID: 37183899 PMCID: PMC10184249 DOI: 10.1098/rstb.2022.0091] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023] Open
Abstract
The evolutionary shift from a single-element ear, multi-element jaw to a multi-element ear, single-element jaw during the transition to crown mammals marks one of the most dramatic structural transformations in vertebrates. Research on this transformation has focused on mammalian middle-ear evolution, but a mandible comprising only the dentary is equally emblematic of this evolutionary radiation. Here, we show that the remarkably diverse jaw shapes of crown mammals are coupled with surprisingly stereotyped jaw stiffness. This strength-based morphofunctional regime has a genetic basis and allowed mammalian jaws to effectively resist deformation as they radiated into highly disparate forms with markedly distinct diets. The main functional consequences for the mandible of decoupling hearing and mastication were a trade-off between higher jaw stiffness versus decreased mechanical efficiency and speed compared with non-mammals. This fundamental and consequential shift in jaw form-function underpins the ecological and taxonomic diversification of crown mammals. This article is part of the theme issue 'The mammalian skull: development, structure and function'.
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Affiliation(s)
- Z Jack Tseng
- Department of Integrative Biology, University of California, Berkeley, CA 94720, USA
- Museum of Paleontology, University of California, Berkeley, CA 94720, USA
- Division of Paleontology, American Museum of Natural History, New York, NY 10024, USA
| | - Sergio Garcia-Lara
- Department of Integrative Biology, University of California, Berkeley, CA 94720, USA
- Museum of Paleontology, University of California, Berkeley, CA 94720, USA
| | - John J Flynn
- Division of Paleontology, American Museum of Natural History, New York, NY 10024, USA
- Richard Gilder Graduate School, American Museum of Natural History, New York, NY 10024, USA
| | - Emily Holmes
- Department of Integrative Biology, University of California, Berkeley, CA 94720, USA
| | - Timothy B Rowe
- Jackson School of Geological Sciences, University of Texas, Austin, TX 78712, USA
| | - Blake V Dickson
- Department of Evolutionary Anthropology, Duke University, Durham, NC 27708, USA
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3
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Weisbecker V, Beck RMD, Guillerme T, Harrington AR, Lange-Hodgson L, Lee MSY, Mardon K, Phillips MJ. Multiple modes of inference reveal less phylogenetic signal in marsupial basicranial shape compared with the rest of the cranium. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220085. [PMID: 37183893 PMCID: PMC10184248 DOI: 10.1098/rstb.2022.0085] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023] Open
Abstract
Incorporating morphological data into modern phylogenies allows integration of fossil evidence, facilitating divergence dating and macroevolutionary inferences. Improvements in the phylogenetic utility of morphological data have been sought via Procrustes-based geometric morphometrics (GMM), but with mixed success and little clarity over what anatomical areas are most suitable. Here, we assess GMM-based phylogenetic reconstructions in a heavily sampled source of discrete characters for mammalian phylogenetics-the basicranium-in 57 species of marsupial mammals, compared with the remainder of the cranium. We show less phylogenetic signal in the basicranium compared with a 'Rest of Cranium' partition, using diverse metrics of phylogenetic signal (Kmult, phylogenetically aligned principal components analysis, comparisons of UPGMA/neighbour-joining/parsimony trees and cophenetic distances to a reference phylogeny) for scaled, Procrustes-aligned landmarks and allometry-corrected residuals. Surprisingly, a similar pattern emerged from parsimony-based analyses of discrete cranial characters. The consistent results across methods suggest that easily computed metrics such as Kmult can provide good guidance on phylogenetic information in a landmarking configuration. In addition, GMM data may be less informative for intricate but conservative anatomical regions such as the basicranium, while better-but not necessarily novel-phylogenetic information can be expected for broadly characterized shapes such as entire bones. This article is part of the theme issue 'The mammalian skull: development, structure and function'.
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Affiliation(s)
- Vera Weisbecker
- College of Science and Engineering, Flinders University, Adelaide, South Australia 5042, Australia
| | - Robin M D Beck
- School of Science, Engineering and Environment, University of Salford, Salford, M5 4WT, UK
| | - Thomas Guillerme
- School of Biosciences, University of Sheffield, Sheffield, S10 2TN, UK
| | | | - Leonie Lange-Hodgson
- School of Biological Sciences, University of Queensland, Saint Lucia, Queensland, 4072, Australia
| | - Michael S Y Lee
- College of Science and Engineering, Flinders University, Adelaide, South Australia 5042, Australia
- Earth Sciences Section, South Australian Museum, Adelaide, South Australia, 5000 Australia
| | - Karine Mardon
- Centre of Advanced Imaging, University of Queensland, Saint Lucia, Queensland, 4072, Australia
| | - Matthew J Phillips
- School of Biology & Environmental Science, Queensland University of Technology, Brisbane, Queensland, 4000, Australia
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4
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López-Romero FA, Stumpf S, Kamminga P, Böhmer C, Pradel A, Brazeau MD, Kriwet J. Shark mandible evolution reveals patterns of trophic and habitat-mediated diversification. Commun Biol 2023; 6:496. [PMID: 37156994 PMCID: PMC10167336 DOI: 10.1038/s42003-023-04882-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 04/27/2023] [Indexed: 05/10/2023] Open
Abstract
Environmental controls of species diversity represent a central research focus in evolutionary biology. In the marine realm, sharks are widely distributed, occupying mainly higher trophic levels and varied dietary preferences, mirrored by several morphological traits and behaviours. Recent comparative phylogenetic studies revealed that sharks present a fairly uneven diversification across habitats, from reefs to deep-water. We show preliminary evidence that morphological diversification (disparity) in the feeding system (mandibles) follows these patterns, and we tested hypotheses linking these patterns to morphological specialisation. We conducted a 3D geometric morphometric analysis and phylogenetic comparative methods on 145 specimens representing 90 extant shark species using computed tomography models. We explored how rates of morphological evolution in the jaw correlate with habitat, size, diet, trophic level, and taxonomic order. Our findings show a relationship between disparity and environment, with higher rates of morphological evolution in reef and deep-water habitats. Deep-water species display highly divergent morphologies compared to other sharks. Strikingly, evolutionary rates of jaw disparity are associated with diversification in deep water, but not in reefs. The environmental heterogeneity of the offshore water column exposes the importance of this parameter as a driver of diversification at least in the early part of clade history.
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Affiliation(s)
- Faviel A López-Romero
- University of Vienna, Faculty of Earth Sciences, Geography and Astronomy, Department of Palaeontology, Evolutionary Morphology Research Group, Josef-Holaubek-Platz 2, 1190, Vienna, Austria.
- University of Vienna, Vienna Doctoral School of Ecology and Evolution (VDSEE), Djerassiplatz 1, 1030, Vienna, Austria.
| | - Sebastian Stumpf
- University of Vienna, Faculty of Earth Sciences, Geography and Astronomy, Department of Palaeontology, Evolutionary Morphology Research Group, Josef-Holaubek-Platz 2, 1190, Vienna, Austria
| | - Pepijn Kamminga
- Naturalis Biodiversity Center, Darwinweg 2, 2333 CR, Leiden, The Netherlands
| | - Christine Böhmer
- MECADEV UMR 7179 CNRS/MNHN, Département Adaptations du Vivant, Muséum National d'Histoire Naturelle, CP 55, 57 rue Cuvier, 75231, Paris, France
- Department für Geo- und Umweltwissenschaften und GeoBio-Center, Ludwig-Maximilians-Universität München, Richard-Wagner-Straße 10, 80333, München, Germany
- Zoologisches Institut, Christian-Albrechts-Universität zu Kiel, Am Botanischen Garten 1-9, 24118, Kiel, Germany
| | - Alan Pradel
- CR2P, Centre de Recherche en Paléontologie - Paris, Muséum National d'Histoire Naturelle-Sorbonne Université-CNRS, CP 38, 57 rue Cuvier, F75231, Paris, Cedex 05, France
| | - Martin D Brazeau
- Department of Life Sciences, Imperial College London, Silwood Park Campus, Ascot, SL5 7PY, London, UK
- The Natural History Museum, Cromwell Road, London, SW7 5BD, UK
| | - Jürgen Kriwet
- University of Vienna, Faculty of Earth Sciences, Geography and Astronomy, Department of Palaeontology, Evolutionary Morphology Research Group, Josef-Holaubek-Platz 2, 1190, Vienna, Austria
- University of Vienna, Vienna Doctoral School of Ecology and Evolution (VDSEE), Djerassiplatz 1, 1030, Vienna, Austria
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5
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Moore MP. Ornamented species incur higher male mortality in the larval stage. Biol Lett 2023; 19:20230108. [PMID: 37194259 PMCID: PMC10189301 DOI: 10.1098/rsbl.2023.0108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/27/2023] [Indexed: 05/18/2023] Open
Abstract
Life-cycle stages are not always capable of evolving independently from each other, but it remains unclear if evolving to meet the demands of one stage actually imposes costs on other stages. Male ornamentation is a useful trait in which to test this potential evolutionary constraint because ornaments improve reproduction in the adult stage but can require the expression of risky traits in the juvenile stage. Here, I compared larval mortality between populations of ornamented and non-ornamented dragonfly species. Since males produce more exaggerated melanin wing ornaments than females, I tested if larval mortality of males is higher in populations of species that have evolved adult male wing ornamentation. My analyses uncover male-biased larval mortality in species that have evolved male ornamentation. These findings indicate that evolving to optimize mating for the adult stage imposes a cost to survival in the larval stage. Thus, this study reveals that evolution in one life-cycle stage can impose fitness costs on other stages that persist over macroevolutionary timescales.
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Affiliation(s)
- Michael P. Moore
- Department of Integrative Biology, University of Colorado Denver, Denver, CO 80204, USA
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6
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Rothier PS, Fabre AC, Clavel J, Benson RBJ, Herrel A. Mammalian forelimb evolution is driven by uneven proximal-to-distal morphological diversity. eLife 2023; 12:81492. [PMID: 36700542 PMCID: PMC9908075 DOI: 10.7554/elife.81492] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 01/24/2023] [Indexed: 01/27/2023] Open
Abstract
Vertebrate limb morphology often reflects the environment due to variation in locomotor requirements. However, proximal and distal limb segments may evolve differently from one another, reflecting an anatomical gradient of functional specialization that has been suggested to be impacted by the timing of development. Here, we explore whether the temporal sequence of bone condensation predicts variation in the capacity of evolution to generate morphological diversity in proximal and distal forelimb segments across more than 600 species of mammals. Distal elements not only exhibit greater shape diversity, but also show stronger within-element integration and, on average, faster evolutionary responses than intermediate and upper limb segments. Results are consistent with the hypothesis that late developing distal bones display greater morphological variation than more proximal limb elements. However, the higher integration observed within the autopod deviates from such developmental predictions, suggesting that functional specialization plays an important role in driving within-element covariation. Proximal and distal limb segments also show different macroevolutionary patterns, albeit not showing a perfect proximo-distal gradient. The high disparity of the mammalian autopod, reported here, is consistent with the higher potential of development to generate variation in more distal limb structures, as well as functional specialization of the distal elements.
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Affiliation(s)
- Priscila S Rothier
- Département Adaptations du Vivant, Muséum National d'Histoire NaturelleParisFrance
| | - Anne-Claire Fabre
- Naturhistorisches Museum BernBernSwitzerland
- Institute of Ecology and Evolution, University of BernBernSwitzerland
- Life Sciences Department, Vertebrates Division, Natural History MuseumLondonUnited Kingdom
| | - Julien Clavel
- Life Sciences Department, Vertebrates Division, Natural History MuseumLondonUnited Kingdom
- Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023VilleurbanneFrance
| | - Roger BJ Benson
- Department of Earth Sciences, University of OxfordOxfordUnited Kingdom
| | - Anthony Herrel
- Département Adaptations du Vivant, Muséum National d'Histoire NaturelleParisFrance
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7
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Dubied M, Montuire S, Navarro N. Functional constraints channel mandible shape ontogenies in rodents. ROYAL SOCIETY OPEN SCIENCE 2022; 9:220352. [PMID: 36300135 PMCID: PMC9579770 DOI: 10.1098/rsos.220352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/31/2022] [Indexed: 06/16/2023]
Abstract
In mammals, postnatal growth plays an essential role in the acquisition of the adult shape. During this period, the mandible undergoes many changing functional constraints, leading to spatialization of bone formation and remodelling to accommodate various dietary and behavioural changes. The interactions between the bone, muscles and teeth drive this developmental plasticity, which, in turn, could lead to convergences in the developmental processes constraining the directionality of ontogenies, their evolution and thus the adult shape variation. To test the importance of the interactions between tissues in shaping the ontogenetic trajectories, we compared the mandible shape at five postnatal stages on three rodents: the house mouse, the Mongolian gerbil and the golden hamster, using geometric morphometrics. After an early shape differentiation, by both longer gestation and allometric scaling in gerbils or early divergence of postnatal ontogeny in hamsters in comparison with the mouse, the ontogenetic trajectories appear more similar around weaning. The changes in muscle load associated with new food processing and new behaviours at weaning seem to impose similar physical constraints on the mandible, driving the convergences of the ontogeny at that stage despite an early anatomical differentiation. Nonetheless, mice present a rather different timing compared with gerbils or hamsters.
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Affiliation(s)
- Morgane Dubied
- Biogéosciences, UMR 6282 CNRS, EPHE, Université Bourgogne Franche-Comté, 6 bd Gabriel, 21000 Dijon, France
| | - Sophie Montuire
- Biogéosciences, UMR 6282 CNRS, EPHE, Université Bourgogne Franche-Comté, 6 bd Gabriel, 21000 Dijon, France
- EPHE, PSL University, 75014 Paris, France
| | - Nicolas Navarro
- Biogéosciences, UMR 6282 CNRS, EPHE, Université Bourgogne Franche-Comté, 6 bd Gabriel, 21000 Dijon, France
- EPHE, PSL University, 75014 Paris, France
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8
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Funston GF, dePolo PE, Sliwinski JT, Dumont M, Shelley SL, Pichevin LE, Cayzer NJ, Wible JR, Williamson TE, Rae JWB, Brusatte SL. The origin of placental mammal life histories. Nature 2022; 610:107-111. [PMID: 36045293 DOI: 10.1038/s41586-022-05150-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 07/27/2022] [Indexed: 11/09/2022]
Abstract
After the end-Cretaceous extinction, placental mammals quickly diversified1, occupied key ecological niches2,3 and increased in size4,5, but this last was not true of other therians6. The uniquely extended gestation of placental young7 may have factored into their success and size increase8, but reproduction style in early placentals remains unknown. Here we present the earliest record of a placental life history using palaeohistology and geochemistry, in a 62 million-year-old pantodont, the clade including the first mammals to achieve truly large body sizes. We extend the application of dental trace element mapping9,10 by 60 million years, identifying chemical markers of birth and weaning, and calibrate these to a daily record of growth in the dentition. A long gestation (approximately 7 months), rapid dental development and short suckling interval (approximately 30-75 days) show that Pantolambda bathmodon was highly precocial, unlike non-placental mammals and known Mesozoic precursors. These results demonstrate that P. bathmodon reproduced like a placental and lived at a fast pace for its body size. Assuming that P. bathmodon reflects close placental relatives, our findings suggest that the ability to produce well-developed, precocial young was established early in placental evolution, and that larger neonate sizes were a possible mechanism for rapid size increase in early placentals.
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Affiliation(s)
- Gregory F Funston
- School of GeoSciences, University of Edinburgh, Edinburgh, UK. .,Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Canada.
| | - Paige E dePolo
- School of GeoSciences, University of Edinburgh, Edinburgh, UK
| | - Jakub T Sliwinski
- School of Earth and Environmental Sciences, University of St Andrews, St Andrews, UK
| | - Matthew Dumont
- School of Earth and Environmental Sciences, University of St Andrews, St Andrews, UK
| | - Sarah L Shelley
- School of GeoSciences, University of Edinburgh, Edinburgh, UK
| | | | - Nicola J Cayzer
- School of GeoSciences, University of Edinburgh, Edinburgh, UK
| | - John R Wible
- Carnegie Museum of Natural History, Pittsburgh, PA, USA
| | | | - James W B Rae
- School of Earth and Environmental Sciences, University of St Andrews, St Andrews, UK
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9
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DeLorenzo L, DeBrock V, Carmona Baez A, Ciccotto PJ, Peterson EN, Stull C, Roberts NB, Roberts RB, Powder KE. Morphometric and Genetic Description of Trophic Adaptations in Cichlid Fishes. BIOLOGY 2022; 11:biology11081165. [PMID: 36009792 PMCID: PMC9405370 DOI: 10.3390/biology11081165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/28/2022] [Accepted: 07/30/2022] [Indexed: 11/16/2022]
Abstract
Since Darwin, biologists have sought to understand the evolution and origins of phenotypic adaptations. The skull is particularly diverse due to intense natural selection on feeding biomechanics. We investigated the genetic and molecular origins of trophic adaptation using Lake Malawi cichlids, which have undergone an exemplary evolutionary radiation. We analyzed morphological differences in the lateral and ventral head shape among an insectivore that eats by suction feeding, an obligate biting herbivore, and their F2 hybrids. We identified variation in a series of morphological traits—including mandible width, mandible length, and buccal length—that directly affect feeding kinematics and function. Using quantitative trait loci (QTL) mapping, we found that many genes of small effects influence these craniofacial adaptations. Intervals for some traits were enriched in genes related to potassium transport and sensory systems, the latter suggesting co-evolution of feeding structures and sensory adaptations for foraging. Despite these indications of co-evolution of structures, morphological traits did not show covariation. Furthermore, phenotypes largely mapped to distinct genetic intervals, suggesting that a common genetic basis does not generate coordinated changes in shape. Together, these suggest that craniofacial traits are mostly inherited as separate modules, which confers a high potential for the evolution of morphological diversity. Though these traits are not restricted by genetic pleiotropy, functional demands of feeding and sensory structures likely introduce constraints on variation. In all, we provide insights into the quantitative genetic basis of trophic adaptation, identify mechanisms that influence the direction of morphological evolution, and provide molecular inroads to craniofacial variation.
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Affiliation(s)
- Leah DeLorenzo
- Department of Biological Sciences, Clemson University, Clemson, SC 29634, USA
| | - Victoria DeBrock
- Department of Biological Sciences, Clemson University, Clemson, SC 29634, USA
| | - Aldo Carmona Baez
- Department of Biological Sciences and Genetics and Genomics Academy, North Carolina State University, Raleigh, NC 27695, USA
| | - Patrick J Ciccotto
- Department of Biological Sciences and Genetics and Genomics Academy, North Carolina State University, Raleigh, NC 27695, USA
- Department of Biology, Warren Wilson College, Swannanoa, NC 28778, USA
| | - Erin N Peterson
- Department of Biological Sciences and Genetics and Genomics Academy, North Carolina State University, Raleigh, NC 27695, USA
| | - Clare Stull
- Department of Biological Sciences and Genetics and Genomics Academy, North Carolina State University, Raleigh, NC 27695, USA
| | - Natalie B Roberts
- Department of Biological Sciences and Genetics and Genomics Academy, North Carolina State University, Raleigh, NC 27695, USA
| | - Reade B Roberts
- Department of Biological Sciences and Genetics and Genomics Academy, North Carolina State University, Raleigh, NC 27695, USA
| | - Kara E Powder
- Department of Biological Sciences, Clemson University, Clemson, SC 29634, USA
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10
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Weaver LN, Fulghum HZ, Grossnickle DM, Brightly WH, Kulik ZT, Wilson Mantilla GP, Whitney MR. Multituberculate Mammals Show Evidence of a Life History Strategy Similar to That of Placentals, Not Marsupials. Am Nat 2022; 200:383-400. [DOI: 10.1086/720410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Lucas N. Weaver
- Department of Biology, University of Washington, Seattle, Washington 98195; and Burke Museum of Natural History and Culture, Seattle, Washington 98195
| | - Henry Z. Fulghum
- Department of Biology, University of Washington, Seattle, Washington 98195; and Burke Museum of Natural History and Culture, Seattle, Washington 98195
| | - David M. Grossnickle
- Department of Biology, University of Washington, Seattle, Washington 98195; and Burke Museum of Natural History and Culture, Seattle, Washington 98195
| | - William H. Brightly
- Department of Biology, University of Washington, Seattle, Washington 98195; and Burke Museum of Natural History and Culture, Seattle, Washington 98195
| | - Zoe T. Kulik
- Department of Biology, University of Washington, Seattle, Washington 98195; and Burke Museum of Natural History and Culture, Seattle, Washington 98195
| | - Gregory P. Wilson Mantilla
- Department of Biology, University of Washington, Seattle, Washington 98195; and Burke Museum of Natural History and Culture, Seattle, Washington 98195
| | - Megan R. Whitney
- Department of Biology, University of Washington, Seattle, Washington 98195; and Burke Museum of Natural History and Culture, Seattle, Washington 98195
- Museum of Comparative Zoology and Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138
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11
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Newton AH. Marsupials and Multi-Omics: Establishing New Comparative Models of Neural Crest Patterning and Craniofacial Development. Front Cell Dev Biol 2022; 10:941168. [PMID: 35813210 PMCID: PMC9260703 DOI: 10.3389/fcell.2022.941168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/06/2022] [Indexed: 11/15/2022] Open
Abstract
Studies across vertebrates have revealed significant insights into the processes that drive craniofacial morphogenesis, yet we still know little about how distinct facial morphologies are patterned during development. Studies largely point to evolution in GRNs of cranial progenitor cell types such as neural crest cells, as the major driver underlying adaptive cranial shapes. However, this hypothesis requires further validation, particularly within suitable models amenable to manipulation. By utilizing comparative models between related species, we can begin to disentangle complex developmental systems and identify the origin of species-specific patterning. Mammals present excellent evolutionary examples to scrutinize how these differences arise, as sister clades of eutherians and marsupials possess suitable divergence times, conserved cranial anatomies, modular evolutionary patterns, and distinct developmental heterochrony in their NCC behaviours and craniofacial patterning. In this review, I lend perspectives into the current state of mammalian craniofacial biology and discuss the importance of establishing a new marsupial model, the fat-tailed dunnart, for comparative research. Through detailed comparisons with the mouse, we can begin to decipher mammalian conserved, and species-specific processes and their contribution to craniofacial patterning and shape disparity. Recent advances in single-cell multi-omics allow high-resolution investigations into the cellular and molecular basis of key developmental processes. As such, I discuss how comparative evolutionary application of these tools can provide detailed insights into complex cellular behaviours and expression dynamics underlying adaptive craniofacial evolution. Though in its infancy, the field of "comparative evo-devo-omics" presents unparalleled opportunities to precisely uncover how phenotypic differences arise during development.
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12
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Edie SM, Khouja SC, Collins KS, Crouch NMA, Jablonski D. Evolutionary modularity, integration and disparity in an accretionary skeleton: analysis of venerid Bivalvia. Proc Biol Sci 2022; 289:20211199. [PMID: 35042422 PMCID: PMC8767195 DOI: 10.1098/rspb.2021.1199] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Modular evolution, the relatively independent evolution of body parts, may promote high morphological disparity in a clade. Conversely, integrated evolution via stronger covariation of parts may limit disparity. However, integration can also promote high disparity by channelling morphological evolution along lines of least resistance-a process that may be particularly important in the accumulation of disparity in the many invertebrate systems having accretionary growth. We use a time-calibrated phylogenetic hypothesis and high-density, three-dimensional semilandmarking to analyse the relationship between modularity, integration and disparity in the most diverse extant bivalve family: the Veneridae. In general, venerids have a simple, two-module parcellation of their body that is divided into features of the calcium carbonate shell and features of the internal soft anatomy. This division falls more along developmental than functional lines when placed in the context of bivalve anatomy and biomechanics. The venerid body is tightly integrated in absolute terms, but disparity appears to increase with modularity strength among subclades and ecologies. Thus, shifts towards more mosaic evolution beget higher morphological variance in this speciose family.
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Affiliation(s)
- Stewart M. Edie
- Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013, USA
| | - Safia C. Khouja
- Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Ave, Chicago, IL 60637, USA
| | - Katie S. Collins
- Department of Earth Sciences, Invertebrates and Plants Palaeobiology Division, Natural History Museum, London SW7 5BD, UK
| | - Nicholas M. A. Crouch
- Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Ave, Chicago, IL 60637, USA
| | - David Jablonski
- Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Ave, Chicago, IL 60637, USA,Committee on Evolutionary Biology, University of Chicago, Chicago, IL 60637, USA
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13
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Pevsner SK, Grossnickle DM, Luo ZX. The functional diversity of marsupial limbs is influenced by both ecology and developmental constraint. Biol J Linn Soc Lond 2022. [DOI: 10.1093/biolinnean/blab168] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Extant marsupials are less ecologically diverse than placentals, and this is reflected by placentals exhibiting a greater diversity of locomotor modes, including powered flight and fully aquatic swimming. One proposed explanation for this discrepancy is that the development of more disparate marsupial forelimbs is prevented by the neonate’s crawl to the pouch, which requires precocious forelimb development for climbing adaptations. To test predictions of this Developmental Constraint Hypothesis (DCH), we pursue a comparative morphometric study on osteological traits of mammalian limbs, with an emphasis on functional differentiation of marsupial limbs among locomotor modes. We apply multivariate analyses to a large dataset of limb metrics and a diverse sample of mammals, with the placental sample limited to taxa whose locomotor modes are exhibited in marsupials. Overall, we do not find consistent evidence in support of the DCH. Diprotodontia serves as an exception, with comparisons of their forelimbs to hind limbs supporting the DCH. Our results suggest that developmental constraints on marsupial forelimbs may have limited marsupial diversity to some degree. Despite this, the marsupial locomotor groups show unexpectedly high levels of morphological differentiation relative to placentals of the same locomotor modes, indicating that ecological functions may overcome developmental constraints on a macroevolutionary scale.
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Affiliation(s)
- Spencer K Pevsner
- School of Earth Sciences, University of Bristol, Bristol, UK
- Department of Organismal Biology & Anatomy, University of Chicago, Chicago, IL, USA
| | | | - Zhe-Xi Luo
- Department of Organismal Biology & Anatomy, University of Chicago, Chicago, IL, USA
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14
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The Cranial Morphospace of Extant Marsupials. J MAMM EVOL 2021. [DOI: 10.1007/s10914-021-09589-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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Conith AJ, Meagher MA, Dumont ER. The influence of divergent reproductive strategies in shaping modularity and morphological evolution in mammalian jaws. J Evol Biol 2021; 35:164-179. [PMID: 34624153 DOI: 10.1111/jeb.13944] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 08/16/2021] [Accepted: 09/23/2021] [Indexed: 01/17/2023]
Abstract
Marsupial neonates are born at an earlier developmental stage than placental mammals, but the rapid development of their forelimbs and cranial skeleton allows them to climb to the pouch, begin suckling and complete their development ex utero. The mechanical environment in which marsupial neonates develop is vastly different from that of placental neonates, which exhibit a more protracted development of oral muscles and bones. This difference in reproductive strategy has been theorized to constrain morphological evolution in the oral region of marsupials. Here, we use 3D morphometrics to characterize one of these oral bones, the lower jaw (dentary), and assess modularity (pattern of covariation among traits), morphological disparity and rates of morphological evolution in two clades of carnivorous mammals: the marsupial Dasyuromorphia and placental fissiped Carnivora. We find that dasyuromorph dentaries have fewer modules than carnivorans and exhibit tight covariation between the angular and coronoid processes, the primary attachment sites for jaw-closing muscles. This pattern of modularity may result from the uniform action of muscles on the developing mandible during suckling. Carnivorans are free from this constraint and exhibit a pattern of modularity that more strongly reflects genetic and developmental signals of trait covariation. Alongside differences in modularity, carnivorans exhibit greater disparity and faster rates of morphological evolution compared with dasyuromorphs. Taken together, this suggests dasyuromorphs have retained a signal of trait covariation that reflects the outsized influence of muscular force during early development, a feature that may have impacted the ability of marsupial carnivores to explore specialized regions of morphospace.
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Affiliation(s)
- Andrew J Conith
- Biology Department, University of Massachusetts Amherst, Amherst, Massachusetts, USA
| | - Molly A Meagher
- Natural Resources Conservation, University of Massachusetts, Amherst, Massachusetts, USA
| | - Elizabeth R Dumont
- Department of Life and Environmental Sciences, University of California, Merced, California, USA
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16
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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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