1
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Ziermann-Canabarro JM, Lukas P. The larval chondrocranium and its development in Smilisca phaeota with considerations of patterns characteristic for the chondrocranial development of Lalagobatrachia. Sci Rep 2024; 14:19779. [PMID: 39187639 PMCID: PMC11347657 DOI: 10.1038/s41598-024-70724-9] [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: 03/05/2024] [Accepted: 08/20/2024] [Indexed: 08/28/2024] Open
Abstract
Several studies describe the development of the chondrocranium of vertebrates. The details in these studies vary a lot, which makes it hard to compare developmental patterns and identify evolutionary trends. Therefore, we aim to close this gap for anurans, which is the largest order of amphibians. We present here a detailed description of the chondrocranium morphology and development of Smilisca phaeota, the New Granada cross-banded tree frog. The anatomy was described for the larvae at or older than Gossner stage 31 and before ossification starts. Following this, we describe the development of the chondrocranium from Gossner stages 19-26. Early in Gossner stage 19 no precursors of any cartilages are visible, while later in that stage the mesodermal Anlage of Meckel's cartilage was observed. In the subsequent stages more and more mesodermal anlagen become identifiable, followed by chondrification, and final differentiation of the cartilage elements. We used serial sections to study all the developmental stages and additionally utilized cleared and stained specimens and CT scan data. The latter were also used for the 3D reconstruction of the chondrocranium. We previously studied several species and compared these developmental patterns with S. phaeota, revealing potentially characteristic patterns significant for Lalagobatrachia, a clade that includes over 7000 frog species. These include (1) the suprarostral alae develop before the suprarostral corpus, (2) the infrarostral cartilage chondrifies late, after the chondrification of ceratobranchial 1, and (3) the ceratohyal body is the first element to show chondrocytes and to chondrify. However, with only six species studied so far, our data only provide a basis for future studies and developing hypotheses about the ancestral developmental pattern in anurans.
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Affiliation(s)
| | - Paul Lukas
- Institute of Zoology and Evolutionary Research, Friedrich-Schiller-University, Jena, Germany.
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2
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Beriotto AC, Vissio PG, Gisbert E, Fernández I, Álvarez González CA, Di Yorio MP, Sallemi JE, Pérez Sirkin DI. From zero to ossified: Larval skeletal ontogeny of the Neotropical Cichlid fish Cichlasoma dimerus. J Morphol 2023; 284:e21641. [PMID: 37708507 DOI: 10.1002/jmor.21641] [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: 04/21/2023] [Revised: 07/24/2023] [Accepted: 08/28/2023] [Indexed: 09/16/2023]
Abstract
The identification of skeletal elements, the analysis of their developmental sequence, and the time of their appearance during larval development are essential to broaden the knowledge of each fish species and to recognize skeletal abnormalities that may affect further fish performance. Therefore, this study aimed to provide a general description of the development of the entire skeleton highlighting its variability in Cichlasoma dimerus. Larvae of C. dimersus were stained with alcian blue and alizarin red from hatching to 25 days posthatching. Skeletogenesis began with the endoskeletal disk and some cartilage structures from the caudal fin and the splachnocranium, while the first bony structure observed was the cleithrum. When larvae reached the free-swimming and exogenous feeding stage, mostly bones from the jaws, the branchial arches, and the opercle series evidenced some degree of ossification, suggesting that the ossification sequence of C. dimerus adjusts to physiological demands such as feeding and ventilation. The caudal region was the most variable regarding meristic counts and evidenced higher incidence of bone deformities. In conclusion, this work provides an overview of C. dimerus skeletogenesis and lays the groundwork for further studies on diverse topics, like developmental plasticity, rearing conditions, or phylogenetic relationships.
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Affiliation(s)
- Agustina C Beriotto
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Paula G Vissio
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Enric Gisbert
- IRTA, Centre de la Ràpita, Aquaculture Program, Sant Carles de la Ràpita, España
| | - Ignacio Fernández
- Centro Oceanográfico de Vigo, Instituto Español de Oceanografía (IEO), CSIC, Vigo, España
| | - Carlos A Álvarez González
- Laboratorio de Acuicultura Tropical, División Académica de Ciencias Biológicas, Universidad Juárez Autónoma de Tabasco, Villahermosa, México
| | - María P Di Yorio
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Julieta E Sallemi
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Daniela I Pérez Sirkin
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
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3
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Ferreira-Cardoso S, Claude J, Goswami A, Delsuc F, Hautier L. Flexible conservatism in the skull modularity of convergently evolved myrmecophagous placental mammals. BMC Ecol Evol 2022; 22:87. [PMID: 35773630 PMCID: PMC9248141 DOI: 10.1186/s12862-022-02030-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/06/2022] [Indexed: 12/05/2022] Open
Abstract
Background The skull of placental mammals constitutes one of the best studied systems for phenotypic modularity. Several studies have found strong evidence for the conserved presence of two- and six-module architectures, while the strength of trait correlations (integration) has been associated with major developmental processes such as somatic growth, muscle-bone interactions, and tooth eruption. Among placentals, ant- and termite-eating (myrmecophagy) represents an exemplar case of dietary convergence, accompanied by the selection of several cranial morphofunctional traits such as rostrum elongation, tooth loss, and mastication loss. Despite such drastic functional modifications, the covariance patterns of the skull of convergently evolved myrmecophagous placentals are yet to be studied in order to assess the potential consequences of this dietary shift on cranial modularity. Results Here, we performed a landmark-based morphometric analysis of cranial covariance patterns in 13 species of myrmecophagous placentals. Our analyses reveal that most myrmecophagous species present skulls divided into six to seven modules (depending on the confirmatory method used), with architectures similar to those of non-myrmecophagous placentals (therian six modules). Within-module integration is also similar to what was previously described for other placentals, suggesting that most covariance-generating processes are conserved across the clade. Nevertheless, we show that extreme rostrum elongation and tooth loss in myrmecophagid anteaters have resulted in a shift in intermodule correlations in the proximal region of the rostrum. Namely, the naso-frontal and maxillo-palatine regions are strongly correlated with the oro-nasal module, suggesting an integrated rostrum conserved from pre-natal developmental processes. In contrast, the similarly toothless pangolins show a weaker correlation between the anterior rostral modules, resembling the pattern of toothed placentals. Conclusions These results reveal that despite some integration shifts related to extreme functional and morphological features of myrmecophagous skulls, cranial modular architectures have conserved the typical mammalian scheme. Supplementary Information The online version contains supplementary material available at 10.1186/s12862-022-02030-9.
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4
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Abstract
The ability to sense and localize sound is so advantageous for survival that it is difficult to understand the almost 100 million year gap separating the appearance of early tetrapods and the emergence of an impedance-matching tympanic middle ear - which we normally regard as a prerequisite for sensitive hearing on land - in their descendants. Recent studies of hearing in extant atympanate vertebrates have provided significant insights into the ancestral state(s) and the early evolution of the terrestrial tetrapod auditory system. These reveal a mechanism for sound pressure detection and directional hearing in 'earless' atympanate vertebrates that may be generalizable to all tetrapods, including the earliest terrestrial species. Here, we review the structure and function of vertebrate tympanic middle ears and highlight the multiple acquisition and loss events that characterize the complex evolutionary history of this important sensory structure. We describe extratympanic pathways for sound transmission to the inner ear and synthesize findings from recent studies to propose a general mechanism for hearing in 'earless' atympanate vertebrates. Finally, we integrate these studies with research on tympanate species that may also rely on extratympanic mechanisms for acoustic reception of infrasound (<20 Hz) and with studies on human bone conduction mechanisms of hearing.
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Affiliation(s)
- Grace Capshaw
- Department of Biology, University of Maryland, College Park, MD 20742, USA
| | | | - Catherine E. Carr
- Department of Biology, University of Maryland, College Park, MD 20742, USA
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5
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Untangling the morphological contradiction: First ontogenetic description of the post-hatching skeleton of the direct-developing frog Brachycephalus garbeanus Miranda-Ribeiro, 1920 (Amphibia: Anura: Brachycephalidae) with comments on the genus miniaturization. ZOOL ANZ 2022. [DOI: 10.1016/j.jcz.2022.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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6
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Shkil FN, Borisov V, Seleznev D, Kapitanova D, Abdissa B, Dzerzhinskii K, Smirnov S. Intra- and interspecific variability of the cranial ossification sequences in Barbus sensu lato. Evol Biol 2022. [DOI: 10.1007/s11692-022-09563-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Dobreva MP, Camacho J, Abzhanov A. Time to synchronize our clocks: Connecting developmental mechanisms and evolutionary consequences of heterochrony. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2022; 338:87-106. [PMID: 34826199 DOI: 10.1002/jez.b.23103] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 09/27/2021] [Accepted: 10/12/2021] [Indexed: 06/13/2023]
Abstract
Heterochrony, defined as a change in the timing of developmental events altering the course of evolution, was first recognized by Ernst Haeckel in 1866. Haeckel's original definition was meant to explain the observed parallels between ontogeny and phylogeny, but the interpretation of his work became a source of controversy over time. Heterochrony took its modern meaning following the now classical work in the 1970-80s by Steven J. Gould, Pere Alberch, and co-workers. Predicted and described heterochronic scenarios emphasize the many ways in which developmental changes can influence evolution. However, while important examples of heterochrony detected with comparative morphological methods have multiplied, the more mechanistic understanding of this phenomenon lagged conspicuously behind. Considering the rapid progress in imaging and molecular tools available now for developmental biologists, this review aims to stress the need to take heterochrony research to the next level. It is time to synchronize the different levels of heterochrony research into a single analysis flow: from studies on organismal-level morphology to cells to molecules and genes, using complementary techniques. To illustrate how to achieve a more comprehensive understanding of phyletic morphological diversification associated with heterochrony, we discuss several recent case studies at various phylogenetic scales that combine morphological, cellular, and molecular analyses. Such a synergistic approach offers to more fully integrate phylogenetic and ontogenetic dimensions of the fascinating evolutionary phenomenon of heterochrony.
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Affiliation(s)
| | - Jasmin Camacho
- Stowers Institute for Medical Research, Kansas City, Missouri, USA
| | - Arkhat Abzhanov
- Department of Life Sciences, Imperial College London, Ascot, UK
- Department of Life Sciences, Natural History Museum, London, UK
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8
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Chapelle KEJ, Botha J, Choiniere JN. Extreme growth plasticity in the early branching sauropodomorph Massospondylus carinatus. Biol Lett 2021; 17:20200843. [PMID: 33975484 DOI: 10.1098/rsbl.2020.0843] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
There is growing evidence of developmental plasticity in early branching dinosaurs and their outgroups. This is reflected in disparate patterns of morphological and histological change during ontogeny. In fossils, only the osteohistological assessment of annual lines of arrested growth (LAGs) can reveal the pace of skeletal growth. Some later branching non-bird dinosaur species appear to have followed an asymptotic growth pattern, with declining growth rates at increasing ontogenetic ages. By contrast, the early branching sauropodomorph Plateosaurus trossingensis appears to have had plastic growth, suggesting that this was the plesiomorphic condition for dinosaurs. The South African sauropodomorph Massospondylus carinatus is an ideal taxon in which to test this because it is known from a comprehensive ontogenetic series, it has recently been stratigraphically and taxonomically revised, and it lived at a time of ecosystem upheaval following the end-Triassic extinction. Here, we report on the results of a femoral osteohistological study of M. carinatus comprising 20 individuals ranging from embryo to skeletally mature. We find major variability in the spacing of the LAGs and infer disparate body masses for M. carinatus individuals at given ontogenetic ages, contradicting previous studies. These findings are consistent with a high degree of growth plasticity in M. carinatus.
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Affiliation(s)
- Kimberley E J Chapelle
- Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, 2050 South Africa.,School of Geosciences, University of the Witwatersrand, Johannesburg, 2050 South Africa
| | - Jennifer Botha
- Karoo Palaeontology Department, National Museum, Bloemfontein, 9300 South Africa.,Department of Zoology and Entomology, University of the Free State, Bloemfontein, 9300 South Africa
| | - Jonah N Choiniere
- Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, 2050 South Africa
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9
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Machado FA. Selection and Constraints in the Ecomorphological Adaptive Evolution of the Skull of Living Canidae (Carnivora, Mammalia). Am Nat 2020; 196:197-215. [PMID: 32673094 DOI: 10.1086/709610] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The association between phenotype and ecology is essential for understanding the environmental drivers of morphological evolution. This is a particularly challenging task when dealing with complex traits, such as the skull, where multiple selective pressures are at play and evolution might be constrained by ontogenetic and genetic factors. I integrate morphometric tools, comparative methods, and quantitative genetics to investigate how ontogenetic constraints and selection might have interacted during the evolution of the skull in extant Canidae. The results confirm that the evolution of cranial morphology was largely adaptive and molded by changes in diet composition. While the investigation of the adaptive landscape reveals two main selective lines of least resistance (one associated with size and one associated with functional shape features), rates of evolution along size were higher than those found for shape dimensions, suggesting the influence of constraints on morphological evolution. Structural modeling analyses revealed that size, which is the line of most genetic/phenotypic variation, might have acted as a constraint, negatively impacting dietary evolution. Constraints might have been overcome in the case of selection for the consumption of large prey by associating strong selection along both size and shape directions. The results obtained here show that microevolutionary constraints may have played a role in shaping macroevolutionary patterns of morphological evolution.
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10
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Smirnov SV, Merkulova KM, Vassilieva AB. Skull development in the Iberian newt,
Pleurodeles waltl
(Salamandridae: Caudata: Amphibia): timing, sequence, variations, and thyroid hormone mediation of bone appearance. J Anat 2020; 237:543-555. [DOI: 10.1111/joa.13210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 04/06/2020] [Accepted: 04/07/2020] [Indexed: 11/30/2022] Open
Affiliation(s)
- Sergei V. Smirnov
- A. N. Severtsov Institute of Ecology and Evolution Russian Academy of Sciences Moscow Russia
| | - Ksenia M. Merkulova
- A. N. Severtsov Institute of Ecology and Evolution Russian Academy of Sciences Moscow Russia
| | - Anna B. Vassilieva
- A. N. Severtsov Institute of Ecology and Evolution Russian Academy of Sciences Moscow Russia
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11
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Rizzato PP, Pospisilova A, Hilton EJ, Bockmann FA. Ontogeny and homology of cranial bones associated with lateral-line canals of the Senegal Bichir, Polypterus senegalus (Actinopterygii: Cladistii: Polypteriformes), with a discussion on the formation of lateral-line canal bones in fishes. J Anat 2020; 237:439-467. [PMID: 32285471 DOI: 10.1111/joa.13202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 03/13/2020] [Accepted: 03/19/2020] [Indexed: 12/17/2022] Open
Abstract
The association between lateral-line canals and skull bones in fishes has been the subject of several studies and raised a series of controversies, particularly with regard to the hypothesized role of lateral-line organs (i.e. neuromasts) in osteogenesis and the consequences for hypotheses of homology of the bones associated with lateral-line canals. Polypteridae, a group of freshwater fishes that occupies a key phylogenetic position as the most basal extant lineage of ray-finned fishes (Actinopterygii), provides an interesting model for the study of the relationships between lateral-line canals and skull bones. We describe the development of bones associated with lateral-line canals in the Senegal Bichir, Polypterus senegalus, and use these data to re-address previous hypotheses of homology of skull bones of polypterids. We demonstrate that the lateral-line canals constitute a separate component of the dermatocranium that may interact with a membranodermal component, thereby forming compound bones in the adult. Differences in the interactions between these components determine the characteristics of the development of each independent bone in the skull of adult P. senegalus. Our results shed light on long-standing controversies about the identity of skull bones such as the rostral, preopercle, and sphenotic in Polypteridae, and suggest the presence of an ancestral two-component pattern of formation of bones associated with lateral-line canals in bony fishes. These findings reveal the need to re-address previous hypotheses of homology of bones associated with lateral-line canals in different groups of bony fishes, especially fossil taxa.
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Affiliation(s)
- Pedro P Rizzato
- Laboratório de Ictiologia de Ribeirão Preto (LIRP), Departamento de Biologia, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil.,Programa de Pós-Graduação em Biologia Comparada, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Anna Pospisilova
- Department of Zoology, Charles University, Prague, Czech Republic
| | - Eric J Hilton
- Department of Fisheries Science, Virginia Institute of Marine Sciences, William & Mary, Gloucester Point, VA, USA
| | - Flávio A Bockmann
- Laboratório de Ictiologia de Ribeirão Preto (LIRP), Departamento de Biologia, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil.,Programa de Pós-Graduação em Biologia Comparada, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil
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12
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Chapelle KEJ, Fernandez V, Choiniere JN. Conserved in-ovo cranial ossification sequences of extant saurians allow estimation of embryonic dinosaur developmental stages. Sci Rep 2020; 10:4224. [PMID: 32273522 PMCID: PMC7145871 DOI: 10.1038/s41598-020-60292-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 01/30/2020] [Indexed: 11/23/2022] Open
Abstract
Dinosaur embryos are among the rarest of fossils, yet they provide a unique window into the palaeobiology of these animals. Estimating the developmental stage of dinosaur embryos is hindered by the lack of a quantitative method for age determination, by the scarcity of material, and by the difficulty in visualizing that material. Here we present the results of a broad inquiry, using 3D reconstructions from X-ray computed tomography data, into cranial ossification sequences in extant saurian taxa and in well-preserved embryos of the early branching sauropodomorph dinosaur Massospondylus carinatus. Our findings support deep-time conservation of cranial ossification sequences in saurians including dinosaurs, allowing us to develop a new method for estimating the relative developmental percentage of embryos from that clade. We also observe null-generation teeth in the Massospondylus carinatus embryos which get resorbed or shed before hatching, similar to those of geckos. These lines of evidence allow us to confidently estimate that the Massospondylus carinatus embryos are only approximately 60% through their incubation period, much younger than previously hypothesized. The overall consistency of our results with those of living saurians indicates that they can be generalized to other extinct members of that lineage, and therefore our method provides an independent means of assessing the developmental stage of extinct, in-ovo saurians.
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Affiliation(s)
- Kimberley E J Chapelle
- Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa.
- School of Geosciences, University of the Witwatersrand, Johannesburg, Gauteng, South Africa.
| | - Vincent Fernandez
- Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa
- European Synchrotron Radiation Facility, Grenoble, France
- Imaging and Analysis Centre, Natural History Museum, London, United Kingdom
| | - Jonah N Choiniere
- Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa
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13
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Phenotypic variability and environmental tolerance shed light on nine-banded armadillo Nearctic invasion. Biol Invasions 2020. [DOI: 10.1007/s10530-019-02085-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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14
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Ito F, Matsumoto T, Hirata T. Frequent nonrandom shifts in the temporal sequence of developmental landmark events during teleost evolutionary diversification. Evol Dev 2019; 21:120-134. [PMID: 30999390 DOI: 10.1111/ede.12288] [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] [Received: 09/06/2018] [Revised: 03/03/2019] [Accepted: 03/06/2019] [Indexed: 01/08/2023]
Abstract
Morphological transformations can be generated by evolutionary changes in the sequence of developmental events. In this study, we examined the evolutionary dynamics of the developmental sequence on a macroevolutionary scale in teleosts. Using the information from previous reports describing the development of 31 species, we extracted the developmental sequences of 19 landmark events involving the formation of phylogenetically conserved body parts; we then inferred ancestral developmental sequences by two different parsimony-based methods-event-pairing and continuous analysis. The phylogenetic comparisons of these sequences revealed event-dependent heterogeneity in the frequency of sequence changes. Most of the sequence changes occurred as exchanges of temporally neighboring events. These heterochronic changes in developmental sequences accumulated along evolutionary time, but the precise distribution of the changes over the teleostean phylogeny remains unclear due to technical limitations.
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Affiliation(s)
- Fumihiro Ito
- Mammalian Genetics Laboratory, Genetic Strains Research Center, National Institute of Genetics, Mishima, Shizuoka, Japan.,Department of Genetics, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Shizuoka, Japan
| | - Tomotaka Matsumoto
- Department of Genetics, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Shizuoka, Japan.,Division of Evolutionary Genetics, Department of Population Genetics, National Institute of Genetics, Mishima, Shizuoka, Japan
| | - Tatsumi Hirata
- Department of Genetics, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Shizuoka, Japan.,Division of Brain Function, National Institute of Genetics, Mishima, Shizuoka, Japan
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15
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Nakamura Y, Nakane Y, Tsudzuki M. Skeletal development in blue-breasted quail embryos. Anim Sci J 2019; 90:353-365. [PMID: 30654411 PMCID: PMC6590581 DOI: 10.1111/asj.13159] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 11/16/2018] [Accepted: 11/21/2018] [Indexed: 11/30/2022]
Abstract
The blue-breasted quail (Coturnix chinensis), the smallest species of quail with short generation interval and excellent reproductive performance, is a potential avian research model. A normal series of skeletal development of avian embryos could be served as a reference standard in the fields of developmental biology and teratological testing as well as in the investigation of mutation with skeletal abnormalities and in the study of the molecular mechanisms of skeletal development through genome manipulation. Furthermore, ossification sequence shows a species-specific pattern and has potential utility in phylogeny. However, data on the skeletal development of blue-breasted quail embryos are scarce. Here, we established a series of normal stages for the skeletal development of blue-breasted quail embryos. Cartilage and ossified bones of blue-breasted quail embryos were stained blue and red with Alcian blue 8GX and Alizarin red S, respectively. The time and order of chondrification and calcification of their skeletons were documented every 24 hr from 3 to 17 days of incubation, and a 15-stage series of skeletal development was created. Moreover, a comparative study with the Japanese quail (Coturnix japonica) demonstrated that ossification sequence differed significantly between these two species.
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Affiliation(s)
- Yoshiaki Nakamura
- Laboratory of Animal Breeding and GeneticsGraduate School of Biosphere ScienceHiroshima UniversityHigashi‐HiroshimaHiroshimaJapan
- Japanese Avian Bioresource Project Research CenterHiroshima UniversityHigashi‐HiroshimaHiroshimaJapan
| | - Yoshifumi Nakane
- Institute of Laboratory AnimalsGraduate School of MedicineKyoto UniversitySakyou‐kuKyotoJapan
| | - Masaoki Tsudzuki
- Laboratory of Animal Breeding and GeneticsGraduate School of Biosphere ScienceHiroshima UniversityHigashi‐HiroshimaHiroshimaJapan
- Japanese Avian Bioresource Project Research CenterHiroshima UniversityHigashi‐HiroshimaHiroshimaJapan
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16
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Vieira L, Santos A, Hirano L, Menezes-Reis L, Mendonça J, Sebben A. Ontogeny of the skull of the Black Caiman (Melanosuchus niger) (Crocodylia: Alligatoridae). CAN J ZOOL 2019. [DOI: 10.1139/cjz-2018-0076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We describe the formation of the chondrocranium and the ossification pattern of the skull of the Black Caiman (Melanosuchus niger (Spix, 1825)). The embryos were cleared and double-stained with Alizarin Red S and Alcian Blue 8GX. Additionally, they were visualized by histological hematoxylin and eosin staining and computed tomography imaging. The chondrocranium of M. niger comprised the nasal capsule, orbitotemporal, and optic–occipital regions. Its development began at stage 9, with the chondrification of the acrochordal cartilage, trabeculae, and mandibular cartilage. The optic capsule was formed in the caudolateral portion of the chondrocranium at stage 13. The basal plate appeared at stage 14, with foramina for the hypoglossal. The chondrocranium was completely formed at stage 16. The first osteogenic events were noted at stage 13, in the bones, maxilla, jugal, postorbital, and pterygoid. The quadratojugal, prefrontal, frontal, and squamosal began their ossification at stage 14. The parietal bone began to ossify only at stage 20. The basisphenoid began at stage 15 and the parasphenoid began at stage 16. The jaw bones ossified between stages 13 and 16. The dermal elements started their ossification prior to the endochondral bones.
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Affiliation(s)
- L.G. Vieira
- Instituto de Ciências Biológicas, Universidade Federal de Goiânia (UFG), Chácaras Califórnia, Goiânia, Goiás, 74045-155, Brasil
| | - A.L.Q. Santos
- Faculdade de Medicina Veterinária, Universidade Federal de Uberlândia (UFU), Avenida Pará, 1720 – Umuarama, Uberlândia, Minas Gerais, 38400-902, Brasil
| | - L.Q.L. Hirano
- Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília (UnB), ICC Sul Campos Universitário Darci Ribeiro – Sul, Brasília, Distrito Federal, 70297-400, Brasil
| | - L.T. Menezes-Reis
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia (UFU), Avenida Pará 1720 – Bloco 2B – Sala 2B22, Uberlândia, Minas Gerais, 38400-902, Caixa Postal 592, Brasil
| | - J.S. Mendonça
- Instituto de Biociência, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rua Cristóvão Colombo, 2265 – Jardim Nazareth, São José do Rio Preto, São Paulo, 15054-000, Brasil
| | - A. Sebben
- Instituto de Ciências Biológicas, Universidade de Brasília (UnB), UnB 1° andar – Asa Norte, Brasília, Distrito Federal, 70910-900, Brasil
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17
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DeLaurier A. Evolution and development of the fish jaw skeleton. WILEY INTERDISCIPLINARY REVIEWS-DEVELOPMENTAL BIOLOGY 2018; 8:e337. [PMID: 30378758 DOI: 10.1002/wdev.337] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 09/25/2018] [Accepted: 09/27/2018] [Indexed: 12/18/2022]
Abstract
The evolution of the jaw represents a key innovation in driving the diversification of vertebrate body plans and behavior. The pharyngeal apparatus originated as gill bars separated by slits in chordate ancestors to vertebrates. Later, with the acquisition of neural crest, pharyngeal arches gave rise to branchial basket cartilages in jawless vertebrates (agnathans), and later bone and cartilage of the jaw, jaw support, and gills of jawed vertebrates (gnathostomes). Major events in the evolution of jaw structure from agnathans to gnathostomes include axial regionalization of pharyngeal elements and formation of a jaw joint. Hox genes specify the anterior-posterior identity of arches, and edn1, dlx, hand2, Jag1b-Notch2 signaling, and Nr2f factors specify dorsal-ventral identity. The formation of a jaw joint, an important step in the transition from an un-jointed pharynx in agnathans to a hinged jaw in gnathostomes involves interaction between nkx3.2, hand2, and barx1 factors. Major events in jaw patterning between fishes and reptiles include changes to elements of the second pharyngeal arch, including a loss of opercular and branchiostegal ray bones and transformation of the hyomandibula into the stapes. Further changes occurred between reptiles and mammals, including the transformation of the articular and quadrate elements of the jaw joint into the malleus and incus of the middle ear. Fossils of transitional jaw phenotypes can be analyzed from a developmental perspective, and there exists potential to use genetic manipulation techniques in extant taxa to test hypotheses about the evolution of jaw patterning in ancient vertebrates. This article is categorized under: Comparative Development and Evolution > Evolutionary Novelties Early Embryonic Development > Development to the Basic Body Plan Comparative Development and Evolution > Body Plan Evolution.
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Affiliation(s)
- April DeLaurier
- Department of Biology and Geology, University of South Carolina Aiken, Aiken, South Carolina
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18
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da Silva Alcântara Castro KM, do Santos MP, Brito MFG, Bidau CJ, Martinez PA. Ontogenetic allometry conservatism across five teleost orders. JOURNAL OF FISH BIOLOGY 2018; 93:745-749. [PMID: 30066331 DOI: 10.1111/jfb.13767] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/25/2018] [Indexed: 06/08/2023]
Abstract
Geometric morphometrics were used to analyse ontogenetic trajectories in representatives of the Characiformes, Cichliformes, Cyprinodontiformes, Siluriformes, and Tetraodontiformes. It was not possible to differentiate any allometric growth patterns across groups, indicating that a phylogenetically conserved developmental pattern is widespread throughout Teleostei.
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Affiliation(s)
| | - Maiara P do Santos
- Laboratório de Pesquisas Integrativas em Biodiversidade, Departamento de Biologia, Universidade Federal de Sergipe, São Cristóvão, Brasil
| | - Marcelo F G Brito
- Laboratório de Ictiologia, Departamento de Biologia, Universidade Federal de Sergipe, São Cristóvão, Brasil
| | - Claudio J Bidau
- Laboratorio de Genética Evolutiva, Facultad de Ciencias Exactas, Químicas y Naturales, Universidad Nacional de Misiones, Posadas, and Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Pablo A Martinez
- Laboratório de Pesquisas Integrativas em Biodiversidade, Departamento de Biologia, Universidade Federal de Sergipe, São Cristóvão, Brasil
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19
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Percival CJ, Green R, Roseman CC, Gatti DM, Morgan JL, Murray SA, Donahue LR, Mayeux JM, Pollard KM, Hua K, Pomp D, Marcucio R, Hallgrímsson B. Developmental constraint through negative pleiotropy in the zygomatic arch. EvoDevo 2018; 9:3. [PMID: 29423138 PMCID: PMC5787316 DOI: 10.1186/s13227-018-0092-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Accepted: 01/08/2018] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Previous analysis suggested that the relative contribution of individual bones to regional skull lengths differ between inbred mouse strains. If the negative correlation of adjacent bone lengths is associated with genetic variation in a heterogeneous population, it would be an example of negative pleiotropy, which occurs when a genetic factor leads to opposite effects in two phenotypes. Confirming negative pleiotropy and determining its basis may reveal important information about the maintenance of overall skull integration and developmental constraint on skull morphology. RESULTS We identified negative correlations between the lengths of the frontal and parietal bones in the midline cranial vault as well as the zygomatic bone and zygomatic process of the maxilla, which contribute to the zygomatic arch. Through gene association mapping of a large heterogeneous population of Diversity Outbred (DO) mice, we identified a quantitative trait locus on chromosome 17 driving the antagonistic contribution of these two zygomatic arch bones to total zygomatic arch length. Candidate genes in this region were identified and real-time PCR of the maxillary processes of DO founder strain embryos indicated differences in the RNA expression levels for two of the candidate genes, Camkmt and Six2. CONCLUSIONS A genomic region underlying negative pleiotropy of two zygomatic arch bones was identified, which provides a mechanism for antagonism in component bone lengths while constraining overall zygomatic arch length. This type of mechanism may have led to variation in the contribution of individual bones to the zygomatic arch noted across mammals. Given that similar genetic and developmental mechanisms may underlie negative correlations in other parts of the skull, these results provide an important step toward understanding the developmental basis of evolutionary variation and constraint in skull morphology.
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Affiliation(s)
| | - Rebecca Green
- Alberta Children’s Hospital Institute for Child and Maternal Health, University of Calgary, Calgary, AB Canada
- The McCaig Bone and Joint Institute, University of Calgary, Calgary, AB Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB Canada
| | - Charles C. Roseman
- Program in Ecology Evolution and Conservation Biology, University of Illinois, Urbana, IL USA
| | | | | | | | | | - Jessica M. Mayeux
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA USA
| | - K. Michael Pollard
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA USA
| | - Kunjie Hua
- Department of Genetics, University of North Carolina Medical School, Chapel Hill, NC USA
| | - Daniel Pomp
- Department of Genetics, University of North Carolina Medical School, Chapel Hill, NC USA
| | - Ralph Marcucio
- The Orthopaedic Trauma Institute, Department of Orthopaedic Surgery, UCSF School of Medicine, San Francisco, CA USA
| | - Benedikt Hallgrímsson
- Alberta Children’s Hospital Institute for Child and Maternal Health, University of Calgary, Calgary, AB Canada
- The McCaig Bone and Joint Institute, University of Calgary, Calgary, AB Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB Canada
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20
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Jones MEH, Gröning F, Dutel H, Sharp A, Fagan MJ, Evans SE. The biomechanical role of the chondrocranium and sutures in a lizard cranium. J R Soc Interface 2017; 14:20170637. [PMID: 29263126 PMCID: PMC5746569 DOI: 10.1098/rsif.2017.0637] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 11/28/2017] [Indexed: 11/30/2022] Open
Abstract
The role of soft tissues in skull biomechanics remains poorly understood. Not least, the chondrocranium, the portion of the braincase which persists as cartilage with varying degrees of mineralization. It also remains commonplace to overlook the biomechanical role of sutures despite evidence that they alter strain distribution. Here, we examine the role of both the sutures and the chondrocranium in the South American tegu lizard Salvator merianae We use multi-body dynamics analysis (MDA) to provide realistic loading conditions for anterior and posterior unilateral biting and a detailed finite element model to examine strain magnitude and distribution. We find that strains within the chondrocranium are greatest during anterior biting and are primarily tensile; also that strain within the cranium is not greatly reduced by the presence of the chondrocranium unless it is given the same material properties as bone. This result contradicts previous suggestions that the anterior portion (the nasal septum) acts as a supporting structure. Inclusion of sutures to the cranium model not only increases overall strain magnitudes but also leads to a more complex distribution of tension and compression rather than that of a beam under sagittal bending.
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Affiliation(s)
- Marc E H Jones
- School of Biological Sciences, The University of Adelaide, North Terrace, Adelaide, South Australia 5005, Australia
- South Australian Museum, North Terrace, Adelaide, South Australia 5001, Australia
| | - Flora Gröning
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Hugo Dutel
- School of Engineering and Computer Science, Medical and Biological Engineering Research Group, University of Hull, Hull HU6 7RX, UK
| | - Alana Sharp
- Research Department of Cell and Developmental Biology, UCL, University College London, Anatomy Building, Gower Street, London WCIE 6BT, UK
| | - Michael J Fagan
- School of Engineering and Computer Science, Medical and Biological Engineering Research Group, University of Hull, Hull HU6 7RX, UK
| | - Susan E Evans
- Research Department of Cell and Developmental Biology, UCL, University College London, Anatomy Building, Gower Street, London WCIE 6BT, UK
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Vieira LG, Lima FC, Mendonôa SHST, Menezes LT, Hirano LQL, Santos ALQ. Ontogeny of the Postcranial Axial Skeleton of Melanosuchus niger (Crocodylia, Alligatoridae). Anat Rec (Hoboken) 2017; 301:607-623. [PMID: 29150983 DOI: 10.1002/ar.23722] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 07/11/2017] [Accepted: 07/24/2017] [Indexed: 11/07/2022]
Abstract
This study proposes the description of the development of the postcranial axial skeleton, including vertebrae, gastralium, ribs, sternum, and interclavicle, in Melanosuchus niger. Six nests were marked and two eggs removed from each nest at 24-hr intervals until hatching. For posthatching evaluation, 30 hatchlings were kept in captivity and one exemplar was euthanized at three-day intervals. Samples were diaphanized using potassium hydroxide (KOH), alizarin red S, and Alcian blue. A routinely generally used method was applied for histological evaluation. It was difficult to define in which vertebrae the development of cartilaginous centers began, but it was possible to observe that this condensation advanced in the craniocaudal direction. The condensation started in the vertebral arches and was visibly stronger in the cervical and dorsal regions, advancing to the lumbar, sacral and, last, to the caudal region. The atlas showed a highly different morphology compared with the other cervical vertebrae, with a short intercenter, two neural arches, and a proatlas. The ossification process began in the body of cervical vertebrae III to VIII and alizarin retention decreased in the last vertebrae, indicating a craniocaudal direction in bone development, similar to cartilage formation. In the histological sections of gastralium and interclavicles of M. niger at several development stages, it was possible to observe that these elements showed intramembranous development. Anat Rec, 301:607-623, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- LucéLia Gonçalves Vieira
- Institute of Biomedical Sciences, Federal University of Uberlândia, Av. Pará 1720, Bloco 2B, Uberlândia, Minas Gerais CEP 38400-902 - CP 592, Brazil
| | - Fabiano Campos Lima
- Federal University of Goiás, Rodovia BR 364, Km 192. Setor Industrial, Jataí, Goiás CEP 75801615, Brazil
| | | | - Lorena Tannús Menezes
- Institute of Biomedical Sciences, Federal University of Uberlândia, Av. Pará 1720, Bloco 2B, Uberlândia, Minas Gerais CEP 38400-902 - CP 592, Brazil
| | - Líria Queiroz Luz Hirano
- University Center of Triângulo, Av. Raulino Cotta Pacheco, 70, apto 201, Osvaldo Resende, Uberlândia, Minas Gerais CEP 38400-370, Brazil
| | - André Luiz Quagliatto Santos
- Laboratory for Teaching and Research on Wild Animals, Federal University of Uberlândia, Rua Piauí, s/n, 4S, Uberlândia, MG, 38400-902, Brazil
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22
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Chevrinais M, Sire JY, Cloutier R. Unravelling the ontogeny of a Devonian early gnathostome, the "acanthodian" Triazeugacanthus affinis (eastern Canada). PeerJ 2017; 5:e3969. [PMID: 29094000 PMCID: PMC5661438 DOI: 10.7717/peerj.3969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 10/08/2017] [Indexed: 12/01/2022] Open
Abstract
The study of vertebrate ontogenies has the potential to inform us of shared developmental patterns and processes among organisms. However, fossilised ontogenies of early vertebrates are extremely rare during the Palaeozoic Era. A growth series of the Late Devonian “acanthodian” Triazeugacanthus affinis, from the Miguasha Fossil-Fish Lagerstätte, is identified as one of the best known early vertebrate fossilised ontogenies given the exceptional preservation, the large size range, and the abundance of specimens. Morphological, morphometric, histological and chemical data are gathered on a growth series of Triazeugacanthus ranging from 4 to 52 mm in total length. The developmental trajectory of this Devonian “acanthodian” is characteristic of fishes showing a direct development with alternating steps and thresholds. Larvae show no squamation but a progressive appearance of cartilaginous neurocranial and vertebral elements, and appendicular elements, whereas juveniles progress in terms of ossification and squamation. The presence of cartilaginous and bony tissues, discriminated on histological and chemical signatures, shows a progressive mineralisation of neurocranial and vertebral elements. Comparison among different body proportions for larvae, juveniles and adults suggest allometric growth in juveniles. Because of the phylogenetic position of “acanthodians”, Triazeugacanthus ontogeny informs us about deep time developmental conditions in gnathostomes.
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Affiliation(s)
- Marion Chevrinais
- Laboratoire de Paléontologie et Biologie évolutive, Université du Québec à Rimouski, Rimouski, Canada
| | - Jean-Yves Sire
- CNRS-UMR 7138-Evolution Paris-Seine IBPS, Université Pierre et Marie Curie, Paris, France
| | - Richard Cloutier
- Laboratoire de Paléontologie et Biologie évolutive, Université du Québec à Rimouski, Rimouski, Canada
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23
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Carril J, Tambussi CP. Skeletogenesis ofMyiopsitta monachus(Psittaciformes) and sequence heterochronies in Aves. Evol Dev 2016; 19:17-28. [DOI: 10.1111/ede.12211] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Julieta Carril
- Universidad Nacional de La Plata, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Veterinarias; Cátedra de Histología y Embriología; Calle 60 y 118 s/n (1900) La Plata Argentina
| | - Claudia P. Tambussi
- Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Universidad Nacional de Córdoba, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas; Físicas y Naturales, Vélez Sarsfield 1611; Ciudad Universitaria (5016) Córdoba Argentina
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24
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Schoch RR. Amphibian skull evolution: the developmental and functional context of simplification, bone loss and heterotopy. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2015; 322:619-30. [PMID: 25404554 DOI: 10.1002/jez.b.22599] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 09/02/2014] [Indexed: 01/28/2023]
Abstract
Despite their divergent morphology, extant and extinct amphibians share numerous features in the timing and spatial patterning of dermal skull elements. Here, I show how the study of these features leads to a deeper understanding of morphological evolution. Batrachians (salamanders and frogs) have simplified skulls, with dermal bones appearing rudimentary compared with fossil tetrapods, and open cheeks resulting from the absence of other bones. The batrachian skull bones may be derived from those of temnospondyls by truncation of the developmental trajectory. The squamosal, quadratojugal, parietal, prefrontal, parasphenoid, palatine, and pterygoid form rudimentary versions of their homologs in temnospondyls. In addition, failure to ossify and early fusion of bone primordia both result in the absence of further bones that were consistently present in Paleozoic tetrapods. Here, I propose a new hypothesis explaining the observed patterns of bone loss and emargination in a functional context. The starting observation is that jaw-closing muscles are arranged in a different way than in ancestors from the earliest ontogenetic stage onwards, with muscles attaching to the dorsal side of the frontal, parietal, and squamosal. The postparietal and supratemporal start to ossify in a similar way as in branchiosaurids, but are fused to neighboring elements to form continuous attachment areas for the internal adductor. The postfrontal, postorbital, and jugal fail to ossify, as their position is inconsistent with the novel arrangement of adductor muscles. Thus, rearrangement of adductors forms the common theme behind cranial simplification, driven by an evolutionary flattening of the skull in the batrachian stem.
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Affiliation(s)
- Rainer R Schoch
- Staatliches Museum für Naturkunde, Rosenstein 1, Stuttgart, Germany
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25
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Werneburg I, Polachowski KM, Hutchinson MN. Bony skull development in the Argus monitor (Squamata, Varanidae, Varanus panoptes) with comments on developmental timing and adult anatomy. ZOOLOGY 2015; 118:255-80. [PMID: 26051699 DOI: 10.1016/j.zool.2015.02.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 02/12/2015] [Accepted: 02/12/2015] [Indexed: 12/22/2022]
Abstract
Varanids represent one of the most charismatic squamate clades and include the largest living lizards; however, little is known about their embryonic development and what it might reveal about the origin of their derived anatomy. In the present study, we describe external organogenesis and skull formation of Varanus panoptes in great detail. We compared timing of ossification with the patterns seen in other squamates, using three major hypotheses of squamate interrelationship as phylogenetic templates, and were able to detect heterochronic patterns in ossification that are associated with adult anatomy in each phylogeny. However, we refrain from preferring one topology given the current lack of congruence between molecular and morphological data sets. The rule of thumb that early appearance of developmental characters is correlated to larger prominence in adults is critically discussed and we conclude that such simple correlations are the exception rather than the rule. The entanglement of developmental processes detected herein highlights the non-independent formation of adult characters that are usually treated as independent in phylogenetic studies, which may bias the output of such studies. Our comprehensive descriptions of embryonic development may serve as a resource for future studies integrating the complex processes of embryogenesis into broad-scale phylogenetic analyses that are likely to show that change in embryonic timing is one of the major sources of morphological diversification.
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Affiliation(s)
- Ingmar Werneburg
- Museum für Naturkunde, Leibniz-Institut für Evolutions- & Biodiversitätsforschung, Humboldt-Universität zu Berlin, Invalidenstraße 43, D-10115 Berlin, Germany; Institut für Biologie, Humboldt-Universität zu Berlin, Philippstraße 13, D-10115 Berlin, Germany.
| | - Katja M Polachowski
- Paläontologisches Institut und Museum der Universität Zürich, Karl-Schmid-Strasse 4, CH-8006 Zürich, Switzerland
| | - Mark N Hutchinson
- South Australian Museum, North Terrace, Adelaide, SA 5000, Australia; School of Earth and Environmental Sciences, University of Adelaide, Adelaide, SA 5005, Australia
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26
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Goswami A, Smaers JB, Soligo C, Polly PD. The macroevolutionary consequences of phenotypic integration: from development to deep time. Philos Trans R Soc Lond B Biol Sci 2015; 369:20130254. [PMID: 25002699 PMCID: PMC4084539 DOI: 10.1098/rstb.2013.0254] [Citation(s) in RCA: 223] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Phenotypic integration is a pervasive characteristic of organisms. Numerous analyses have demonstrated that patterns of phenotypic integration are conserved across large clades, but that significant variation also exists. For example, heterochronic shifts related to different mammalian reproductive strategies are reflected in postcranial skeletal integration and in coordination of bone ossification. Phenotypic integration and modularity have been hypothesized to shape morphological evolution, and we extended simulations to confirm that trait integration can influence both the trajectory and magnitude of response to selection. We further demonstrate that phenotypic integration can produce both more and less disparate organisms than would be expected under random walk models by repartitioning variance in preferred directions. This effect can also be expected to favour homoplasy and convergent evolution. New empirical analyses of the carnivoran cranium show that rates of evolution, in contrast, are not strongly influenced by phenotypic integration and show little relationship to morphological disparity, suggesting that phenotypic integration may shape the direction of evolutionary change, but not necessarily the speed of it. Nonetheless, phenotypic integration is problematic for morphological clocks and should be incorporated more widely into models that seek to accurately reconstruct both trait and organismal evolution.
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Affiliation(s)
- A Goswami
- Research Department of Genetics, Evolution and Environment, University College London, Gower Street, London WC1E 6BT, UK Department of Earth Sciences, University College London, Gower Street, London WC1E 6BT, UK
| | - J B Smaers
- Research Department of Genetics, Evolution and Environment, University College London, Gower Street, London WC1E 6BT, UK Department of Anthropology, University College London, 14 Taviton Street, London WC1H 0BW, UK Department of Anthropology, Stony Brook University, Circle Road, Stony Brook, NY 11794, USA
| | - C Soligo
- Department of Anthropology, University College London, 14 Taviton Street, London WC1H 0BW, UK
| | - P D Polly
- Department of Geological Sciences, Indiana University, 1001 East 10th Street, Bloomington, IN 47401, USA
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27
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Chang CT, Franz-Odendaal TA. Perturbing the developing skull: using laser ablation to investigate the robustness of the infraorbital bones in zebrafish (Danio rerio). BMC DEVELOPMENTAL BIOLOGY 2014; 14:44. [PMID: 25516292 PMCID: PMC4282728 DOI: 10.1186/s12861-014-0044-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 12/10/2014] [Indexed: 01/13/2023]
Abstract
BACKGROUND The development of the craniofacial skeleton from embryonic mesenchyme is a complex process that is not yet completely understood, particularly for intramembranous bones. This study investigates the development of the neural crest derived infraorbital (IO) bones of the zebrafish (Danio rerio) skull. Located under the orbit, the IO bones ossify in a set sequence and are closely associated with the lateral line system. We conducted skeletogenic condensation and neuromast laser ablation experiments followed by shape analyses in order to investigate the relationship between a developing IO bone and the formation of the IO series as well as to investigate the highly debated inductive potential of neuromasts for IO ossification. RESULTS We demonstrate that when skeletogenic condensations recover from laser ablation, the resulting bone differs in shape compared to controls. Interestingly, neighbouring IO bones in the bone series are unaffected. In addition, we show that the amount of canal wall mineralization is significantly decreased following neuromast laser ablation at juvenile and larval stages. CONCLUSIONS These results highlight the developmental robustness of the IO bones and provide direct evidence that canal neuromasts play a role in canal wall development in the head. Furthermore, we provide evidence that the IO bones may be two distinct developmental modules. The mechanisms underlying developmental robustness are rarely investigated and are important to increase our understanding of evolutionary developmental biology of the vertebrate skull.
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Affiliation(s)
- Carolyn T Chang
- Department of Biology, Saint Mary's University, 923 Robie Street, Halifax, Nova Scotia, B3H 3C3, Canada.
| | - Tamara Anne Franz-Odendaal
- Department of Biology, Mount Saint Vincent University, 166 Bedford Highway, Halifax, Nova Scotia, B3M 2J6, Canada.
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28
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Schoch RR. Amphibian skull evolution: The developmental and functional context of simplification, bone loss and heterotopy. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2014:n/a-n/a. [PMID: 25384582 DOI: 10.1002/.22599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 09/02/2014] [Indexed: 11/10/2022]
Abstract
Despite their divergent morphology, extant and extinct amphibians share numerous features in the timing and spatial patterning of dermal skull elements. Here, I show how the study of these features leads to a deeper understanding of morphological evolution. Batrachians (salamanders and frogs) have simplified skulls, with dermal bones appearing rudimentary compared with fossil tetrapods, and open cheeks resulting from the absence of other bones. The batrachian skull bones may be derived from those of temnospondyls by truncation of the developmental trajectory. The squamosal, quadratojugal, parietal, prefrontal, parasphenoid, palatine, and pterygoid form rudimentary versions of their homologs in temnospondyls. In addition, failure to ossify and early fusion of bone primordia both result in the absence of further bones that were consistently present in Paleozoic tetrapods. Here, I propose a new hypothesis explaining the observed patterns of bone loss and emargination in a functional context. The starting observation is that jaw-closing muscles are arranged in a different way than in ancestors from the earliest ontogenetic stage onwards, with muscles attaching to the dorsal side of the frontal, parietal, and squamosal. The postparietal and supratemporal start to ossify in a similar way as in branchiosaurids, but are fused to neighboring elements to form continuous attachment areas for the internal adductor. The postfrontal, postorbital, and jugal fail to ossify, as their position is inconsistent with the novel arrangement of adductor muscles. Thus, rearrangement of adductors forms the common theme behind cranial simplification, driven by an evolutionary flattening of the skull in the batrachian stem. J. Exp. Zool. (Mol. Dev. Evol.) 9999B: XX-XX, 2014. © 2014 Wiley Periodicals, Inc.
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Affiliation(s)
- Rainer R Schoch
- Staatliches Museum für Naturkunde, Rosenstein 1, Stuttgart, Germany
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Atukorala ADS, Franz-Odendaal TA. Spatial and temporal events in tooth development of Astyanax mexicanus. Mech Dev 2014; 134:42-54. [DOI: 10.1016/j.mod.2014.09.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 09/16/2014] [Accepted: 09/17/2014] [Indexed: 02/01/2023]
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Koyabu D, Werneburg I, Morimoto N, Zollikofer CPE, Forasiepi AM, Endo H, Kimura J, Ohdachi SD, Truong Son N, Sánchez-Villagra MR. Mammalian skull heterochrony reveals modular evolution and a link between cranial development and brain size. Nat Commun 2014; 5:3625. [PMID: 24704703 PMCID: PMC3988809 DOI: 10.1038/ncomms4625] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 03/11/2014] [Indexed: 12/23/2022] Open
Abstract
The multiple skeletal components of the skull originate asynchronously and their developmental schedule varies across amniotes. Here we present the embryonic ossification sequence of 134 species, covering all major groups of mammals and their close relatives. This comprehensive data set allows reconstruction of the heterochronic and modular evolution of the skull and the condition of the last common ancestor of mammals. We show that the mode of ossification (dermal or endochondral) unites bones into integrated evolutionary modules of heterochronic changes and imposes evolutionary constraints on cranial heterochrony. However, some skull-roof bones, such as the supraoccipital, exhibit evolutionary degrees of freedom in these constraints. Ossification timing of the neurocranium was considerably accelerated during the origin of mammals. Furthermore, association between developmental timing of the supraoccipital and brain size was identified among amniotes. We argue that cranial heterochrony in mammals has occurred in concert with encephalization but within a conserved modular organization.
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Affiliation(s)
- Daisuke Koyabu
- Palaeontological Institute and Museum, University of Zürich, Karl Schmid-Strasse 4, Zürich 8006, Switzerland
- The University Museum, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Ingmar Werneburg
- Palaeontological Institute and Museum, University of Zürich, Karl Schmid-Strasse 4, Zürich 8006, Switzerland
| | - Naoki Morimoto
- Anthropological Institute and Museum, University of Zürich, Winterthurerstrasse 190, Zürich 8057, Switzerland
| | - Christoph P. E. Zollikofer
- Anthropological Institute and Museum, University of Zürich, Winterthurerstrasse 190, Zürich 8057, Switzerland
| | - Analia M. Forasiepi
- Palaeontological Institute and Museum, University of Zürich, Karl Schmid-Strasse 4, Zürich 8006, Switzerland
- Ianigla, CCT-Mendoza, CONICET, Avda. Ruiz Leal s/n, Mendoza 5500, Argentina
| | - Hideki Endo
- The University Museum, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Junpei Kimura
- Department of Anatomy and Cell Biology, College of Veterinary Medicine, Seoul National University, Seoul 151–742, Korea
| | - Satoshi D. Ohdachi
- Institute of Low Temperature Science, Hokkaido University, Kita-19 Nishi-8, Kita-ku, Sapporo 060-0819, Japan
| | - Nguyen Truong Son
- Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Street, Hanoi 10000, Vietnam
| | - Marcelo R. Sánchez-Villagra
- Palaeontological Institute and Museum, University of Zürich, Karl Schmid-Strasse 4, Zürich 8006, Switzerland
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Ivanović A, Kalezić ML. Testing the hypothesis of morphological integration on a skull of a vertebrate with a biphasic life cycle: a case study of the alpine newt. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2014; 314:527-38. [PMID: 23939712 DOI: 10.1002/jez.b.21358] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2010] [Revised: 04/07/2010] [Accepted: 04/24/2010] [Indexed: 11/10/2022]
Abstract
In this article, we explore the possible influences of the developmental and functional relationships between skeletal elements on the pattern of morphological integration in the adult skull of the alpine newt. Like many tailed amphibians, the alpine newt has a biphasic life cycle, which implies the possibility that two distinct sets of constraints on development and function of the cranial skeleton may act at different times. We study how trait covariation, resulting from processes early in development, affects patterns of covariation at the adult stage. We test whether the observed patterns of integration are consistent with those predicted from three a priori hypothesized sources of integration: developmental timing, hormonally mediated growth/remodeling during metamorphosis, and developmental and functional relationships. The analyses of the covariation among the landmarks in the dorsal and ventral alpine newt craniums yield somewhat contrasting results. Our results do not indicate a clear correspondence between the observed variations in the skull shape and any of the three proposed hypotheses. No traceable reflection of hypothesized developmental relationships in the pattern of morphological integration/modularity in the adult skull indicate that covariation structure is continually restructured by overlaying variation introduced through developmental and environmental factors at different stages of development. This finding supports the recently elaborated palimpsest view of morphological integration. Also, our results indicate that the allometry-free shape data have an even higher level of morphological integration than the data that contain the allometric component of the shape variation.
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Affiliation(s)
- Ana Ivanović
- Institute of Zoology, Faculty of Biology, University of Belgrade, Belgrade, Serbia.
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Abstract
The infraorbital (IO) bone series, a component of the circumorbital series, makes up five of the eight dermal bones found in the orbital region of the zebrafish skull. Ossifying in a set sequence, the IOs are closely associated with the cranial lateral line system as they house neuromast sensory receptors in bony canals. We conducted a detailed analysis of the condensation to mineralization phases of development of these bones. Our analyses involved both bone and osteoblast staining of zebrafish at 20 different time points. IO bone condensations are shaped as templates for the final bone shape, and they mineralize at one or more centers of ossification. Initially, mineralization is closely associated with the lateral line canals and/or foramen, and the onset of mineralization is temporally variable. Canal wall mineralization is a process that continues into adulthood and completely mineralized canal roofs were not found. Our comprehensive growth series detailing the ossification of each IO bone provides important insight into the growth and development of this series of neural crest-derived flat bones in the zebrafish craniofacial skeleton.
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Affiliation(s)
- Carolyn Chang
- 1 Department of Biology, Saint Mary's University , Halifax, Canada
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On the Unique Perspective of Paleontology in the Study of Developmental Evolution and Biases. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s13752-013-0115-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Block AJ, Mabee PM. Development of the mandibular, hyoid arch and gill arch skeleton in the Chinese barb Puntius semifasciolatus: comparisons of ossification sequences among Cypriniformes. JOURNAL OF FISH BIOLOGY 2012; 81:54-80. [PMID: 22747804 DOI: 10.1111/j.1095-8649.2012.03307.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The morphogenesis and sequence of ossification and chondrification of skeletal elements of the jaws, and hyoid arch and gill arches of Puntius semifasciolatus are described. These data provide a baseline for further studies and enable comparisons with other described cypriniforms. Some general patterns of ossification in the hyoid arch and branchial arches in cypriniforms were notable. First, the overall development is from anterior to posterior, with the exception of the fifth ceratobranchial bone, which ossifies first. Second, where ossification of iterated elements is sequential, it tends to proceed from posterior to anterior, even when more posterior chondrifications are the smallest in the series. Ossification of the ceratobranchial, epibranchial and pharyngobranchial bones tends to proceed from ventral to dorsal. The comparisons revealed small sets of skeletal elements whose ossification sequence appears to be relatively conserved across cyprinid cypriniforms. Several potentially key timing changes in the ossification sequence of the jaws, hyoid arch and gill arches were identified, such as the accelerated timing of ossification of the fifth ceratobranchial bone, which may be unique to cypriniforms.
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Affiliation(s)
- A J Block
- Department of Biology, University of South Dakota, Vermillion, SD 57069, USA
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Werneburg I, Tzika AC, Hautier L, Asher RJ, Milinkovitch MC, Sánchez-Villagra MR. Development and embryonic staging in non-model organisms: the case of an afrotherian mammal. J Anat 2012; 222:2-18. [PMID: 22537021 DOI: 10.1111/j.1469-7580.2012.01509.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Studies of evolutionary developmental biology commonly use 'model organisms' such as fruit flies or mice, and questions are often functional or epigenetic. Phylogenetic investigations, in contrast, typically use species that are less common and mostly deal with broad scale analyses in the tree of life. However, important evolutionary transformations have taken place at all taxonomic levels, resulting in such diverse forms as elephants and shrews. To understand the mechanisms underlying morphological diversification, broader sampling and comparative approaches are paramount. Using a simple, standardized protocol, we describe for the first time the development of soft tissues and some parts of the skeleton, using μCT-imaging of developmental series of Echinops telfairi and Tenrec ecaudatus, two tenrecid afrotherian mammals. The developmental timing of soft tissue and skeletal characters described for the tenrecids is briefly compared with that of other mammals, including mouse, echidna, and the opossum. We found relatively few heterochronic differences in development in the armadillo vs. tenrec, consistent with a close relationship of Xenarthra and Afrotheria. Ossification in T. ecaudatus continues well into the second half of overall gestation, resembling the pattern seen in other small mammals and differing markedly from the advanced state of ossification evident early in the gestation of elephants, sheep, and humans.
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Affiliation(s)
- Ingmar Werneburg
- Paläontologisches Institut und Museum, Universität Zürich, Zürich, Switzerland
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GOSWAMI A, POLLY PD, MOCK OB, SÁNCHEZ-VILLAGRA MR. Shape, variance and integration during craniogenesis: contrasting marsupial and placental mammals. J Evol Biol 2012; 25:862-72. [DOI: 10.1111/j.1420-9101.2012.02477.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Koyabu D, Endo H, Mitgutsch C, Suwa G, Catania KC, Zollikofer CPE, Oda SI, Koyasu K, Ando M, Sánchez-Villagra MR. Heterochrony and developmental modularity of cranial osteogenesis in lipotyphlan mammals. EvoDevo 2011; 2:21. [PMID: 22040374 PMCID: PMC3247175 DOI: 10.1186/2041-9139-2-21] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Accepted: 11/01/2011] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Here we provide the most comprehensive study to date on the cranial ossification sequence in Lipotyphla, the group which includes shrews, moles and hedgehogs. This unique group, which encapsulates diverse ecological modes, such as terrestrial, subterranean, and aquatic lifestyles, is used to examine the evolutionary lability of cranial osteogenesis and to investigate the modularity of development. RESULTS An acceleration of developmental timing of the vomeronasal complex has occurred in the common ancestor of moles. However, ossification of the nasal bone has shifted late in the more terrestrial shrew mole. Among the lipotyphlans, sequence heterochrony shows no significant association with modules derived from developmental origins (that is, neural crest cells vs. mesoderm derived parts) or with those derived from ossification modes (that is, dermal vs. endochondral ossification). CONCLUSIONS The drastic acceleration of vomeronasal development in moles is most likely coupled with the increased importance of the rostrum for digging and its use as a specialized tactile surface, both fossorial adaptations. The late development of the nasal in shrew moles, a condition also displayed by hedgehogs and shrews, is suggested to be the result of an ecological reversal to terrestrial lifestyle and reduced functional importance of the rostrum. As an overall pattern in lipotyphlans, our results reject the hypothesis that ossification sequence heterochrony occurs in modular fashion when considering the developmental patterns of the skull. We suggest that shifts in the cranial ossification sequence are not evolutionarily constrained by developmental origins or mode of ossification.
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Affiliation(s)
- Daisuke Koyabu
- Paläontologisches Institut und Museum, Universität Zürich, Karl Schmid-Strasse 4, CH-8006 Zürich, Switzerland
- The University Museum, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - Hideki Endo
- The University Museum, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - Christian Mitgutsch
- Paläontologisches Institut und Museum, Universität Zürich, Karl Schmid-Strasse 4, CH-8006 Zürich, Switzerland
| | - Gen Suwa
- The University Museum, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - Kenneth C Catania
- Department of Biological Sciences, Vanderbilt University, VU Station B, Box 35-1634, Nashville, USA
| | - Christoph PE Zollikofer
- Anthropologisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Sen-ichi Oda
- Department of Zoology, Okayama University of Science, Ridaichou, Kita-ku, 700-0005 Okayama, Japan
| | - Kazuhiko Koyasu
- The Second Department of Anatomy, School of Dentistry, Aichi-Gakuin University, Kusumotochou 1-100, 464-8650 Nagoya, Japan
| | - Motokazu Ando
- Faculty of Agriculture, Tokyo University of Agriculture, Funako 1737, 243-0034 Atsugi, Japan
| | - Marcelo R Sánchez-Villagra
- Paläontologisches Institut und Museum, Universität Zürich, Karl Schmid-Strasse 4, CH-8006 Zürich, Switzerland
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Mitgutsch C, Wimmer C, Sánchez-Villagra MR, Hahnloser R, Schneider RA. Timing of ossification in duck, quail, and zebra finch: intraspecific variation, heterochronies, and life history evolution. Zoolog Sci 2011; 28:491-500. [PMID: 21728797 DOI: 10.2108/zsj.28.491] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Skeletogenic heterochronies have gained much attention in comparative developmental biology. The temporal appearance of mineralized individual bones in a species - the species ossification sequence - is an excellent marker in this kind of study. Several publications describe interspecific variation, but only very few detail intraspecific variation. In this study, we describe and analyze the temporal order of ossification of skeletal elements in the zebra finch, Taeniopygia guttata, the Japanese quail, Coturnix coturnix japonica, and the White Pekin duck, a domestic race of the mallard Anas platyrhynchos, and explore patterns of intraspecific variation in these events. The overall sequences were found to be conserved. In the duck, variability is present in the relative timing of ossification in the occipital, the basisphenoid and the otic regions of the skull and the phalanges in the postcranium. This variation appears generally in close temporal proximity. Comparison with previously published data shows differences in ossification sequence in the skull, the feet, and the pelvis in the duck, and especially the pelvis in the quail. This clearly documents variability among different breeds.
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Affiliation(s)
- Christian Mitgutsch
- Paläontologisches Institut und Museum, Universität Zürich, Karl Schmid-Strasse 4, CH-8006 Zürich, Switzerland
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Lima FC, Santos ALQ, Vieira LG, Coutinho ME. Sequência de ossificação do sincrânio e hioide em embriões de Caiman yacare (Crocodylia, Alligatoridae). IHERINGIA. SERIE ZOOLOGIA 2011. [DOI: 10.1590/s0073-47212011000200003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
O crânio representa uma estrutura única e complexa dos vertebrados, sendo foco relevante objeto de estudos morfológicos e sistemáticos. Embora os crocodilianos constituam um importante grupo representante dos Archosauria, nossos conhecimentos acerca de seu desenvolvimento e homologias ainda são escassos. Aqui descrevemos uma sequência detalhada de ossificação dos ossos do crânio de Caiman yacare (Daudin, 1802), objetivando contribuir com informações de foco anatômico. Coletaram-se ao acaso embriões em intervalos regulares durante todo o período de incubação, sendo estes posteriormente submetidos a protocolo de diafanização e coloração de ossos. O padrão de ossificação em C. yacare segue parâmetros gerais em répteis e outros tetrápodes. Os primeiros centros de ossificação correspondem aos ossos dérmicos, envolvidos com funções primárias como a alimentação e respiração (e.g. maxila, dentário, esplenial, angular, pterigoide, ectopterigoide e jugal, incluindo ainda os dentes). Os ossos da porção dorsal do neurocrânio se ossificam posteriormente, evidenciando uma fontanela cranial que permanece até o momento da eclosão. Os ossos parietal, frontal e opstótico possuem mais de um centro de ossificação que se fundem durante a ontogenia. O centro de ossificação do parisfenoide está ausente, e apenas um centro de ossificação está presente para o basisfenoide. A porção posterior do crânio é formada por centros de substituição do condrocrânio que se ossificam em estágios posteriores.
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Franz-Odendaal TA. The ocular skeleton through the eye of evo-devo. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2011; 316:393-401. [DOI: 10.1002/jez.b.21415] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2010] [Revised: 02/22/2011] [Accepted: 03/24/2011] [Indexed: 11/06/2022]
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Fröbisch NB, Shubin NH. Salamander limb development: integrating genes, morphology, and fossils. Dev Dyn 2011; 240:1087-99. [PMID: 21465623 DOI: 10.1002/dvdy.22629] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2011] [Indexed: 11/11/2022] Open
Abstract
The development of the tetrapod limb during skeletogenesis follows a highly conservative pattern characterized by a general proximo-distal progression in the establishment of skeletal elements and a postaxial polarity in digit development. Salamanders represent the only exception to this pattern and display an early establishment of distal autopodial structures, specifically the basale commune, an amalgamation of distal carpal and tarsal 1 and 2, and a distinct preaxial polarity in digit development. This deviance from the conserved tetrapod pattern has resulted in a number of hypotheses to explain its developmental basis and evolutionary history. Here we summarize the current knowledge of salamander limb development under consideration of the fossil record to provide a deep time perspective of this evolutionary pathway and highlight what data will be needed in the future to gain a better understanding of salamander limb development specifically and tetrapod limb development and evolution more broadly.
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Affiliation(s)
- Nadia B Fröbisch
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois, USA.
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Developmental Characters in Phylogenetic Inference and Their Absolute Timing Information. Syst Biol 2011; 60:630-44. [DOI: 10.1093/sysbio/syr024] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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Laurin M, Soler-Gijón R. Osmotic tolerance and habitat of early stegocephalians: indirect evidence from parsimony, taphonomy, palaeobiogeography, physiology and morphology. ACTA ACUST UNITED AC 2010. [DOI: 10.1144/sp339.13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AbstractThere are probably many reasons for the widespread belief that temnospondyls and other early stegocephalians were largely restricted to freshwater, but three of the contributing factors will be discussed below. First, temnospondyls have been called amphibians (and thought to be more closely related to extant amphibians than to amniotes). Some authors may have simply concluded that, like extant amphibians, temnospondyls could not live in oceans and seas. Second, under some phylogenies, temnospondyls are more closely related to anurans (and possibly urodeles) than to gymnophionans and could be expected, for parsimony reasons, to share the intolerance of all extant amphibians to saltwater. Similarly, ‘lepospondyls’ are often thought to be more closely related to gymnophionans than to anurans, and could also be expected to lack saltwater tolerance. Third, extant lungfishes live exclusively in freshwater, and early sarcopterygians have long been thought to share this habitat. These interpretations probably explain the widespread belief that early amphibians and early stem-tetrapods were largely restricted to freshwater. However, these three interpretations have been refuted or questioned by recent investigations. A review of the evidence suggests that several (perhaps most) early stegocephalians tolerated saltwater, even although they also lived in freshwater.
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Affiliation(s)
- M. Laurin
- CNRS, UMR 7179, Case 19, Université Paris 6, 4 place Jussieu, 75005 Paris, France
- (Present address) UMR 7207, Muséum National d'Histoire Naturelle, Département Histoire de la Terre, Bâtiment de Géologie, Case Postale 48, 43 rue Buffon, 75005 Paris, France
| | - R. Soler-Gijón
- Museum für Naturkunde – Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, Section Palaontology, Invalidenstrasse 43, D-10115 Berlin, Germany
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Weisbecker V, Mitgutsch C. A large-scale survey of heterochrony in anuran cranial ossification patterns. J ZOOL SYST EVOL RES 2010. [DOI: 10.1111/j.1439-0469.2010.00570.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Delfino M, Sánchez-Villagra MR. A survey of the rock record of reptilian ontogeny. Semin Cell Dev Biol 2010; 21:432-40. [DOI: 10.1016/j.semcdb.2009.11.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2009] [Accepted: 11/06/2009] [Indexed: 11/26/2022]
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Wilson LAB, Schradin C, Mitgutsch C, Galliari FC, Mess A, Sánchez-Villagra MR. Skeletogenesis and sequence heterochrony in rodent evolution, with particular emphasis on the African striped mouse, Rhabdomys pumilio (Mammalia). ORG DIVERS EVOL 2010. [DOI: 10.1007/s13127-010-0020-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Assessing the phylogenetic utility of sequence heterochrony: evolution of avian ossification sequences as a case study. ZOOLOGY 2010; 113:57-66. [PMID: 20116981 DOI: 10.1016/j.zool.2009.06.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2009] [Revised: 06/26/2009] [Accepted: 06/28/2009] [Indexed: 10/19/2022]
Abstract
The evolution of developmental sequences, or sequence heterochrony, is an emerging field of study that addresses the temporal interplay between evolution and development. Some phylogenetic signal has been found in developmental sequence data, but sampling has generally been limited to small numbers of taxa and few developmental events. Here we present the largest ossification sequence dataset to date. The sequences are composed of ossification events throughout the avian skeleton, and are used to address the evolutionary signal of ossification sequence data within this clade. The results indicate that ossification sequences are conserved in birds, and show a stronger phylogenetic signal than previous studies, perhaps due to the volume of data. Phylogenetic signal is not strong enough, however, to consider ossification sequence data to be any better at resolving phylogenetic hypotheses than other morphological data and just as prone to evolutionary convergence. There is no one-to-one correlation between ossification sequence and developmental stage. We discuss some methodological implications of our findings, as well as commonalities in avian ossification sequences such as early ossification of the long bones relative to the dermatocranium, and of the hindlimb over the forelimb.
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Fröbisch NB, Olori JC, Schoch RR, Witzmann F. Amphibian development in the fossil record. Semin Cell Dev Biol 2009; 21:424-31. [PMID: 19913630 DOI: 10.1016/j.semcdb.2009.11.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2009] [Revised: 10/30/2009] [Accepted: 11/04/2009] [Indexed: 10/20/2022]
Abstract
Ontogenetic series of extinct taxa are extremely rare and when preserved often incomplete and difficult to interpret. However, the fossil record of amphibians includes a number of well-preserved ontogenetic sequences for temnospondyl and lepospondyl taxa, which have provided valuable information about the development of these extinct groups. Here we summarize the current knowledge on fossil ontogenies of amphibians, their potential and limitations for relationship assessments, and discuss the insights they have provided for our understanding of the anatomy, life history, and ecology of extinct amphibians.
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Affiliation(s)
- Nadia B Fröbisch
- Department of Organismal Biology & Anatomy, University of Chicago, 1027 E 57th Street, Culver 108, Chicago, IL 60637, USA.
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Sánchez-Villagra MR, Müller H, Sheil CA, Scheyer TM, Nagashima H, Kuratani S. Skeletal development in the Chinese soft-shelled turtlePelodiscus sinensis(Testudines: Trionychidae). J Morphol 2009; 270:1381-99. [DOI: 10.1002/jmor.10766] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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