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Zhao Y, Liang J, Li J, Zhang Z, Sun Y, Liu F, Zhang X, Liang Y, Teng L, Liu Z. First complete mitochondrial genome of the Alashan ground squirrel ( Spermophilus alashanicus) (Rodentia: Sciuridae) from Ningxia, China. Mitochondrial DNA B Resour 2024; 9:148-152. [PMID: 38274853 PMCID: PMC10810644 DOI: 10.1080/23802359.2024.2305406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 01/09/2024] [Indexed: 01/27/2024] Open
Abstract
The Alashan ground squirrel (Spermophilus alashanicus) is primarily distributed in the regions of Inner Mongolia and Ningxia, China. In this study, we present the first complete mitochondrial genome of S. alashanicus. The genome spans 16,464 base pairs and comprises 13 protein-coding genes, 22 tRNA genes, two rRNA genes, and a single control region with a marked AT bias. The overall GC content is 35.4%. Phylogenetic analyses indicate that S. alashanicus clusters are closely associated with S. dauricus. This comprehensive characterization of the S. alashanicus mitochondrial genome serves as a foundational resource for future studies on mitochondrial evolution, species identification, population genomics, and phylogenetics.
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Affiliation(s)
- Yao Zhao
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Jun Liang
- Ningxia Helan Mountain National Nature Reserve Administration, Yinchuan, China
| | - Jingyao Li
- Ningxia Helan Mountain National Nature Reserve Administration, Yinchuan, China
| | - Zhirong Zhang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Yue Sun
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Fubin Liu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Xu Zhang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Yongliang Liang
- Ningxia Helan Mountain National Nature Reserve Administration, Yinchuan, China
| | - Liwei Teng
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
- Key Laboratory of Conservation Biology, National Forestry and Grassland Administration, Harbin, China
| | - Zhensheng Liu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
- Key Laboratory of Conservation Biology, National Forestry and Grassland Administration, Harbin, China
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Teixeira GA, de Aguiar HJAC, Petitclerc F, Orivel J, Lopes DM, Barros LAC. Evolutionary insights into the genomic organization of major ribosomal DNA in ant chromosomes. INSECT MOLECULAR BIOLOGY 2021; 30:340-354. [PMID: 33586259 DOI: 10.1111/imb.12699] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 01/28/2021] [Accepted: 02/08/2021] [Indexed: 06/12/2023]
Abstract
The major rDNA genes are composed of tandem repeats and are part of the nucleolus organizing regions (NORs). They are highly conserved and therefore useful in understanding the evolutionary patterns of chromosomal locations. The evolutionary dynamics of the karyotype may affect the organization of rDNA genes within chromosomes. In this study, we physically mapped 18S rDNA genes in 13 Neotropical ant species from four subfamilies using fluorescence in situ hybridization. Furthermore, a survey of published rDNA cytogenetic data for 50 additional species was performed, which allowed us to detect the evolutionary patterns of these genes in ant chromosomes. Species from the Neotropical, Palearctic, and Australian regions, comprising a total of 63 species from 19 genera within six subfamilies, were analysed. Most of the species (48 out of 63) had rDNA genes restricted to a single chromosome pair in their intrachromosomal regions. The position of rDNA genes within the chromosomes appears to hinder their dispersal throughout the genome, as translocations and ectopic recombination are uncommon in intrachromosomal regions because they can generate meiotic abnormalities. Therefore, rDNA genes restricted to a single chromosome pair seem to be a plesiomorphic feature in ants, while multiple rDNA sites, observed in distinct subfamilies, may have independent origins in different genera.
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Affiliation(s)
- G A Teixeira
- Programa de Pós-graduação em Biologia Celular e Estrutural, Universidade Federal de Viçosa, Viçosa, Brazil
- Laboratório de Citogenética de Insetos, Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, Brazil
| | - H J A C de Aguiar
- Universidade Federal do Amapá, Campus Binacional, BR 156, n° 3051, Bairro Universidade, Oiapoque, 68980-000, Brazil
| | - F Petitclerc
- CNRS, UMR EcoFoG, AgroParisTech, CIRAD, INRA, Université de Guyane, Université des Antilles, Campus Agronomique, Kourou, France
| | - J Orivel
- CNRS, UMR EcoFoG, AgroParisTech, CIRAD, INRA, Université de Guyane, Université des Antilles, Campus Agronomique, Kourou, France
| | - D M Lopes
- Laboratório de Citogenética de Insetos, Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, Brazil
| | - L A C Barros
- Universidade Federal do Amapá, Campus Binacional, BR 156, n° 3051, Bairro Universidade, Oiapoque, 68980-000, Brazil
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Faber JE, Storz JF, Cheviron ZA, Zhang H. High-altitude rodents have abundant collaterals that protect against tissue injury after cerebral, coronary and peripheral artery occlusion. J Cereb Blood Flow Metab 2021; 41:731-744. [PMID: 32703056 PMCID: PMC7983333 DOI: 10.1177/0271678x20942609] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/03/2020] [Accepted: 06/22/2020] [Indexed: 12/22/2022]
Abstract
Collateral number/density varies widely in brain and other tissues among strains of Mus musculus mice due to differences in genetic background. Recent studies have shown that prolonged exposure to reduced atmospheric oxygen induces additional collaterals to form, suggesting that natural selection may favor increased collaterals in populations native to high-altitude. High-altitude guinea pigs (Cavia) and deer mice (Peromyscus) were compared with lowland species of Peromyscus, Mus and Rattus (9 species/strains examined). Collateral density, diameter and other morphometrics were measured in brain where, importantly, collateral abundance reflects that in other tissues of the same individual. Guinea pigs and high-altitude deer mice had a greater density of pial collaterals than lowlanders. Consistent with this, guinea pigs and highlander mice evidenced complete and 80% protection against stroke, respectively. They also sustained significantly less ischemia in heart and lower extremities after arterial occlusion. Vessels of the circle of Willis, including the communicating collateral arteries, also exhibited unique features in the highland species. Our findings support the hypothesis that species native to high-altitude have undergone genetic selection for abundant collaterals, suggesting that besides providing protection in obstructive disease, collaterals serve a physiological function to optimize oxygen delivery to meet oxygen demand when oxygen is limiting.
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Affiliation(s)
- James E Faber
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Curriculum in Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- McAllister Heart Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Jay F Storz
- School of Biological Sciences, University of Nebraska, Lincoln, NE, USA
| | - Zachary A Cheviron
- Division of Biological Sciences, University of Montana, Missoula, MT, USA
| | - Hua Zhang
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Thomas F, Giraudeau M, Dheilly NM, Gouzerh F, Boutry J, Beckmann C, Biro PA, Hamede R, Abadie J, Labrut S, Bieuville M, Misse D, Bramwell G, Schultz A, Le Loc'h G, Vincze O, Roche B, Renaud F, Russell T, Ujvari B. Rare and unique adaptations to cancer in domesticated species: An untapped resource? Evol Appl 2020. [DOI: 10.1111/eva.12920] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Frédéric Thomas
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Mathieu Giraudeau
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Nolwenn M. Dheilly
- School of Marine and Atmospheric Sciences Stony Brook University Stony Brook NY USA
| | - Flora Gouzerh
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Justine Boutry
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Christa Beckmann
- Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University Waurn Ponds VIC Australia
- School of Science Western Sydney UniversityParramatta NSW Australia
| | - Peter A. Biro
- Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University Waurn Ponds VIC Australia
| | - Rodrigo Hamede
- School of Natural Sciences University of Tasmania Hobart TAS Australia
| | | | | | - Margaux Bieuville
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Dorothée Misse
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Georgina Bramwell
- Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University Waurn Ponds VIC Australia
| | - Aaron Schultz
- Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University Waurn Ponds VIC Australia
| | - Guillaume Le Loc'h
- Clinique des NAC et de la Faune Sauvage, UMR IHAP École Nationale Vétérinaire de Toulouse Toulouse France
| | - Orsolya Vincze
- Hungarian Department of Biology and Ecology Evolutionary Ecology Group Babeş‐Bolyai University Cluj‐Napoca Romania
- Department of Tisza Research MTA Centre for Ecological Research‐DRI Debrecen Hungary
| | - Benjamin Roche
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
- Unité mixte Internationale de Modélisation Mathématique et Informatique des Systèmes Complexes UMI IRD/Sorbonne UniversitéUMMISCO Bondy France
| | - François Renaud
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Tracey Russell
- School of Life and Environmental Sciences The University of Sydney Sydney NSW Australia
| | - Beata Ujvari
- Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University Waurn Ponds VIC Australia
- School of Natural Sciences University of Tasmania Hobart TAS Australia
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Sánchez-Macías D, Barba-Maggi L, Morales-delaNuez A, Palmay-Paredes J. Guinea pig for meat production: A systematic review of factors affecting the production, carcass and meat quality. Meat Sci 2018; 143:165-176. [DOI: 10.1016/j.meatsci.2018.05.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 05/02/2018] [Accepted: 05/04/2018] [Indexed: 12/23/2022]
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Di-Nizo CB, Banci KRDS, Sato-Kuwabara Y, Silva MJDJ. Advances in cytogenetics of Brazilian rodents: cytotaxonomy, chromosome evolution and new karyotypic data. COMPARATIVE CYTOGENETICS 2017; 11:833-892. [PMID: 29362668 PMCID: PMC5769678 DOI: 10.3897/compcytogen.v11i4.19925] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 10/23/2017] [Indexed: 05/31/2023]
Abstract
Rodents constitute one of the most diversified mammalian orders. Due to the morphological similarity in many of the groups, their taxonomy is controversial. Karyotype information proved to be an important tool for distinguishing some species because some of them are species-specific. Additionally, rodents can be an excellent model for chromosome evolution studies since many rearrangements have been described in this group.This work brings a review of cytogenetic data of Brazilian rodents, with information about diploid and fundamental numbers, polymorphisms, and geographical distribution. We point out that, even with the recent efforts on cytogenetic studies in this group, many species lack karyotypic data. Moreover, we describe for the first time the karyotype of Carterodon sulcidens (Lund, 1838) (Family Echimyidae), a new fundamental number for an undescribed species of Neacomys Thomas, 1900 (Family Cricetidae, Subfamily Sigmodontinae), and illustrate the karyotype of a Brazilian specimen of Mus musculus Linnaeus, 1758 (Family Muridae). This review compiles the cytogenetic data on Brazilian rodents reported in the last three decades, after the last revision published in 1984, including synonyms, chromosomal variations, and geographic distribution. Additionally, it also reinforces that Brazilian biodiversity is still poorly known, considering the new data reported here.
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Affiliation(s)
- Camilla Bruno Di-Nizo
- Laboratório de Ecologia e Evolução, Instituto Butantan, Avenida Vital Brazil, 1500, CEP 05503-900, São Paulo, SP, Brazil
| | | | - Yukie Sato-Kuwabara
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, CEP 05508-900, São Paulo, SP, Brazil
| | - Maria José de J. Silva
- Laboratório de Ecologia e Evolução, Instituto Butantan, Avenida Vital Brazil, 1500, CEP 05503-900, São Paulo, SP, Brazil
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