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Moyano S, Morales M, Giannini N. Skull ontogeny of the pronghorn (Antilocapraamericana) in the comparative context of native North American ungulates. CAN J ZOOL 2020. [DOI: 10.1139/cjz-2019-0038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The pronghorn (Antilocapra americana (Ord, 1815)) is the single survivor of a largely extinct, isolated pecoran lineage (Antilocapridae) native to North America. We describe postnatal ontogeny of its skull in a comparative framework inclusive of representatives of other typical North American ungulate linages, all of which partially overlap in geographic distribution and share habitat with A. americana. To describe allometric growth, we took 23 linear cranial measurements in 30 specimens of A. americana and applied bi- and multi-variate statistics. The skull of A. americana generally grew with negative rates in width and height dimensions, and with positive rates in length, including an elongation of rostrum, particularly the nasals, and a relative narrowing of the braincase. We compared skull development in A. americana with development in two cervids (white-tailed deer (Odocoileus virginianus (Zimmermann, 1780)) and wapiti (Cervus canadensis Erxleben, 1777)) and two bovids (bighorn sheep (Ovis canadensis Shaw, 1804) and American bison (Bison bison (Linnaeus, 1758))). The multivariate ontogenetic trajectory of A. americana overlapped greatly with that of Odocoileus virginianus, and differed from the other species in varying degrees. These results indicated an essentially convergent pattern of skull growth with species showing important functional similarities, such as cervids of comparable size and feeding habits.
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Affiliation(s)
- S.R. Moyano
- Instituto de Ecorregiones Andinas (INECOA), Universidad Nacional de Jujuy – Consejo Nacional de Investigaciones Científicas y Técnicas, Avenida Bolivia 1239, San Salvador de Jujuy, C.P. 4600, Jujuy, Argentina; Centro de Estudios Territoriales Ambientales y Sociales (CETAS), Facultad de Ciencias Agrarias, Universidad Nacional de Jujuy, Alberdi 47, San Salvador de Jujuy, C.P. 4600, Jujuy, Argentina
| | - M.M. Morales
- Instituto de Ecorregiones Andinas (INECOA), Universidad Nacional de Jujuy – Consejo Nacional de Investigaciones Científicas y Técnicas, Avenida Bolivia 1239, San Salvador de Jujuy, C.P. 4600, Jujuy, Argentina; Centro de Estudios Territoriales Ambientales y Sociales (CETAS), Facultad de Ciencias Agrarias, Universidad Nacional de Jujuy, Alberdi 47, San Salvador de Jujuy, C.P. 4600, Jujuy, Argentina
| | - N.P. Giannini
- Unidad Ejecutora Lillo, Consejo Nacional de Investigaciones Científicas y Técnicas, Miguel Lillo 251, C.P. 4000, Tucumán, Argentina; Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán, Miguel Lillo 205, San Miguel de Tucumán, C.P. 4000, Tucumán, Argentina; American Museum of Natural History, Department of Mammalogy, 200 Central Park West, New York, NY 10024-5192, USA
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Kulemzina AI, Perelman PL, Grafodatskaya DA, Nguyen TT, Thompson M, Roelke-Parker ME, Graphodatsky AS. Comparative chromosome painting of pronghorn (Antilocapra americana) and saola (Pseudoryx nghetinhensis) karyotypes with human and dromedary camel probes. BMC Genet 2014; 15:68. [PMID: 24923361 PMCID: PMC4061535 DOI: 10.1186/1471-2156-15-68] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 06/09/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Pronghorn (Antilocapridae, 2n = 58) and saola (Bovidae, 2n = 50) are members of Pecora, a highly diversified group of even-toed hoofed mammals. Karyotypes of these species were not involved in chromosome painting studies despite their intriguing phylogenetic positions in Pecora. RESULTS To trace the chromosome evolution during very fast radiation of main families from the common Pecoran ancestor, high-resolution comparative chromosome maps of pronghorn and saola with human (HSA) and dromedary camel (CDR) painting probes were established. The human and dromedary camel painting probes revealed 50 and 64 conserved segments respectively in the pronghorn genome, while 51 and 63 conserved segments respectively in the saola genome. Integrative analysis with published comparative maps showed that inversions in chromosomes homologous to CDR19/35/19 (HSA 10/20/10), CDR12/34/12 (HSA12/22/12/22), CDR10/33/10 (HSA 11) are present in representatives of all five living Pecoran families. The pronghorn karyotype could have formed from a putative 2n = 58 Pecoran ancestral karyotype by one fission and one fusion and that the saola karyotype differs from the presumed 2n = 60 bovid ancestral karyotype (2n = 60) by five fusions. CONCLUSION The establishment of high-resolution comparative maps for pronghorn and saola has shed some new insights into the putative ancestral karyotype, chromosomal evolution and phylogenic relationships in Pecora. No cytogenetic signature rearrangements were found that could unite the Antilocapridae with Giraffidae or with any other Pecoran families. Our data on the saola support a separate position of Pseudorigyna subtribe rather than its affinity to either Bovina or Bubalina, but the saola phylogenetic position within Bovidae remains unresolved.
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Affiliation(s)
- Anastasia I Kulemzina
- Institute of Molecular and Cellular Biology, SB RAS and Novosibirsk State University, Novosibirsk, Russia.
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The phylogeny of Cetartiodactyla: The importance of dense taxon sampling, missing data, and the remarkable promise of cytochrome b to provide reliable species-level phylogenies. Mol Phylogenet Evol 2008; 48:964-85. [DOI: 10.1016/j.ympev.2008.05.046] [Citation(s) in RCA: 146] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2007] [Revised: 05/08/2008] [Accepted: 05/21/2008] [Indexed: 11/18/2022]
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Guha S, Goyal SP, Kashyap VK. Molecular phylogeny of musk deer: a genomic view with mitochondrial 16S rRNA and cytochrome b gene. Mol Phylogenet Evol 2006; 42:585-97. [PMID: 17158073 DOI: 10.1016/j.ympev.2006.06.020] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2005] [Revised: 05/25/2006] [Accepted: 06/19/2006] [Indexed: 11/23/2022]
Abstract
The phylogenetic status of the infra order Pecora is controversial, even though it is supported by paleontological, morphological, and molecular evidence. We analyzed two mitochondrial genes (i.e., 16S rRNA and cytochrome b) to resolve the phylogenetic position of pecoran species, i.e., the Bovidae, Cervidae, and Moschidae endemic to the Indian subcontinent. We used phylogenetic analysis based on different algorithms, including neighbor joining, maximum parsimony, Bayesian inference, maximum likelihood, minimum evolution, median joining network, along with multidimensional scaling, and DNA word analysis. Our results established the basal position of Tragulidae and the monophyly of the infra order Pecora within the Suborder Ruminantia. Our results also demonstrated that Bovidae, Cervidae, and Moschidae are allied with the placement of musk deer as more closely related to bovids than to cervids. Molecular dating based on sequence analysis shows that the radiation of Pecora occurred during the early Oligocene and that the majority of the pecoran families radiated and dispersed rapidly during the Oligocene/Miocene transition.
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Affiliation(s)
- Saurav Guha
- Central Forensic Science Laboratory, Kolkata, India.
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Price SA, Bininda-Emonds ORP, Gittleman JL. A complete phylogeny of the whales, dolphins and even-toed hoofed mammals (Cetartiodactyla). Biol Rev Camb Philos Soc 2005; 80:445-73. [PMID: 16094808 DOI: 10.1017/s1464793105006743] [Citation(s) in RCA: 211] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Despite the biological and economic importance of the Cetartiodactyla, the phylogeny of this clade remains controversial. Using the supertree approach of matrix representation with parsimony, we present the first phylogeny to include all 290 extant species of the Cetacea (whales and dolphins) and Artiodactyla (even-toed hoofed mammals). At the family-level, the supertree is fully resolved. For example, the relationships among the Ruminantia appear as (((Cervidae, Moschidae) Bovidae) (Giraffidae, Antilocapridae) Tragulidae). However, due to either lack of phylogenetic study or contradictory information, polytomies occur within the clades Sus, Muntiacus, Cervus, Delphinidae, Ziphiidae and Bovidae. Complete species-level phylogenies are necessary for both illustrating and analysing biological, geographical and ecological patterns in an evolutionary framework. The present species-level tree of the Cetartiodactyla provides the first opportunity to examine comparative hypotheses across entirely aquatic and terrestrial species within a single mammalian order.
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Affiliation(s)
- Samantha A Price
- Department of Biology, Gilmer Hall, University of Virginia, Charlottesville, VA 22904-4328, USA.
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Hernández Fernández M, Vrba ES. A complete estimate of the phylogenetic relationships in Ruminantia: a dated species-level supertree of the extant ruminants. Biol Rev Camb Philos Soc 2005; 80:269-302. [PMID: 15921052 DOI: 10.1017/s1464793104006670] [Citation(s) in RCA: 213] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
This paper presents the first complete estimate of the phylogenetic relationships among all 197 species of extant and recently extinct ruminants combining morphological, ethological and molecular information. The composite tree is derived by applying matrix representation using parsimony analysis to 164 previous partial estimates, and is remarkably well resolved, containing 159 nodes (> 80 % of the potential nodes in the completely resolved phylogeny). Bremer decay index has been used to indicate the degree of certainty associated with each clade. The ages of over 80% of the clades in the tree have been estimated from information in the literature. The supertree for Ruminantia illustrates which areas of ruminant phylogeny are still only roughly known because of taxa with controversial relationships (e.g. Odocoileini, Antilopinae) or not studied in great detail (e.g. Muntiacus). It supports the monophyly of the ruminant families and Pecora. According to this analysis Antilocapridae and Giraffidae constitute the superfamily Giraffoidea, which is the sister group of a clade clustering Bovoidea and Cervoidea. The position of several taxa whose systematic positions have remained controversial in the past (Saiga, Pelea, Aepycerus, Pantholops, Ammotragus, Pseudois) is unambiguously established. Nevertheless, the position of Neotragus and Oreotragus within the original radiation of the non-bovine bovids remains unresolved in the present analysis. It also shows that six successive rapid cladogenesis events occurred within the infraorder Pecora during the Oligocene to middle Pliocene, which coincided with periods of global climatic change. Finally, the presented supertree will be a useful framework for comparative and evolutionary biologists interested in studies involving the ruminants.
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Affiliation(s)
- Manuel Hernández Fernández
- Departamento de Paleobiología, Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas, C/ Josí Gutiérrez Abascal 2, 28006, Madrid, Spain.
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Kuznetsova MV, Kholodova MV, Danilkin AA. Molecular Phylogeny of Deer (Cervidae: Artiodactyla). RUSS J GENET+ 2005. [DOI: 10.1007/s11177-005-0154-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Dyer KD, Rosenberg HF, Zhang J. Isolation, characterization, and evolutionary divergence of mouse RNase 6: evidence for unusual evolution in rodents. J Mol Evol 2005; 59:657-65. [PMID: 15693621 DOI: 10.1007/s00239-004-2657-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The evolution of the ribonuclease A (RNase A) vertebrate-specific enzyme family is interesting in that specific gene lineages appear to be responding to unique selective pressures in wildly diverse manners to generate proteins that are capable of reducing the infectivity of viruses, killing systemic pathogens, and inducing the growth of blood vessels all while maintaining the signature motifs of a ribonuclease. In this paper, we present the DNA sequence and gene structure of Mus musculus RNase 6 and examine the expression pattern and enzymatic activity of the recombinant protein. M. musculus RNase 6 has a limited expression pattern compared to human RNase 6 and is an efficient ribonuclease, with a catalytic efficiency 17-fold higher than that of human protein. Evolutionary analysis reveals that RNase 6 was subject to unusual evolutionary forces (dN/dS = 1.2) in an ancestral rodent lineage before the separation of Mus and Rattus. However, more recent evolution of rodent RNase 6 has been relatively conserved, with an average dN/dS of 0.66. These data suggest that the ancestral rodent RNase 6 was subject to accelerated evolution, resulting in the conserved modern gene, which most likely plays an important role in mouse physiology.
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Affiliation(s)
- Kimberly D Dyer
- Eosinophil Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
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Narita Y, Kuratani S. Evolution of the vertebral formulae in mammals: A perspective on developmental constraints. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2005; 304:91-106. [PMID: 15660398 DOI: 10.1002/jez.b.21029] [Citation(s) in RCA: 171] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Developmental constraints refer to biases that limit phenotypic changes during evolution. To examine the contribution of developmental constraints in the evolution of vertebrate morphology, we analyzed the distribution pattern of mammalian vertebral formulae. Data on mammalian vertebral formulae were collected from the Descriptive Catalogue of the Osteological Series Contained in the Museum of the Royal College of Surgeons of England by Richard Owen (1853) and were plotted onto the most reliable mammalian phylogenetic tree based on recent molecular studies. In addition to the number of cervical vertebrae that is almost fixed to 7, we found that the number of thoracolumbar vertebrae tends to be 19 in many groups of mammals. Since fidelity of the number of thoracolumbar vertebrae was also completely maintained in Monotremata and Marsupialia, we presumed that thoracolumbar vertebral number as well as cervical vertebral number might have been fixed in the primitive mammalian lineage. On the basis of primitive vertebral formulae, we could clarify the polarity of evolution and identify several deviations from the primitive states during the mammalian evolution. The changes in the vertebral formulae in eutherian mammals seem to be lineage-specific, such that most species in Carnivora have 20 instead of 19 thoracolumbar vertebrae. Because such lineage-specific vertebral formulae contrast with the estimated distribution pattern on the assumption of evolution only through the selective pressure, we concluded that developmental constraints played an important role in the evolution of mammalian vertebral formulae.
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Affiliation(s)
- Yuichi Narita
- Laboratory for Evolutionary Morphology, Center for Developmental Biology, RIKEN, Kobe 650-0047, Japan
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