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Koga A, Nishihara H, Tanabe H, Tanaka R, Kayano R, Matsumoto S, Endo T, Srikulnath K, O'Neill RJ. Kangaroo endogenous retrovirus (KERV) forms megasatellite DNA with a simple repetition pattern in which the provirus structure is retained. Virology 2023; 586:56-66. [PMID: 37487326 DOI: 10.1016/j.virol.2023.07.005] [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: 04/27/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/26/2023]
Abstract
The kangaroo endogenous retrovirus (KERV) was previously reported to have undergone a rapid copy number increase in the red-necked wallaby; however, the mode of amplification was left to be clarified. The present study revealed that the long terminal repeat (LTR) (0.6 kb) and internal region (2.0 kb) of a provirus are repeated alternately, forming megasatellite DNA which we named kervRep. This repetition pattern was the same as that observed for walbRep, megasatellite DNA originating from another endogenous retrovirus. Their formation process can be explained using a simple model: pairing slippage followed by homologous recombination. This model features that the initial step is triggered by the presence of two identical sequences within a short distance; the possession of LTRs by endogenous retroviruses fulfills this condition. The discovery of two cases suggests that formation of this type of satellite DNA is one of non-negligible effects of endogenous retroviruses on their host genomes.
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Affiliation(s)
- Akihiko Koga
- Center for Evolutionary Origins of Human Behavior, Kyoto University, Inuyama 484-8506, Japan; Animal Genomics and Bioresource Research Unit, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
| | - Hidenori Nishihara
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama 226-8503, Japan
| | - Hideyuki Tanabe
- Research Center for Integrative Evolutionary Science, SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - Rieko Tanaka
- Saitama Children's Zoo, Higashimatsuyama 355-0065, Japan
| | - Rika Kayano
- Saitama Children's Zoo, Higashimatsuyama 355-0065, Japan
| | | | | | - Kornsorn Srikulnath
- Animal Genomics and Bioresource Research Unit, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Rachel J O'Neill
- Institute for Systems Genomics and Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT 06269, USA
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2
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Hayashi S, Honda Y, Kanesaki E, Koga A. Marsupial satellite DNA as faithful reflections of long terminal repeat (LTR) retroelement structure. Genome 2022; 65:469-478. [PMID: 35930809 DOI: 10.1139/gen-2022-0039] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Long terminal repeat (LTR) retroelements, including endogenous retroviruses, are one of the origins of satellite DNAs. However, the vast majority of satellite DNAs originating from LTR retroelements consist of parts of the element. In addition, they frequently contain sequences unrelated to that element. Here we report a novel marsupial satellite DNA (named walbRep) that contains, and consists solely of, the entire sequence of an LTR retroelement (the walb element). As is common with LTR retroelements, walb copies exhibit length variation. We focused on the abundance of copies of a specific length (2.7 kb) in the genome of the red-necked wallaby. Cloning and analyses of long genomic DNA fragments revealed a satellite DNA in which the LTR sequence (0.4 kb) and the sequence of the internal region of a nonautonomous walb copy (2.3 kb) were repeated alternately. The junctions between these two components exhibited the same end-to-end arrangements as those in the walb element. This satellite organization could be accounted for by a simple formation model that includes slippage during chromosome pairing followed by homologous recombination but does not invoke any other types of rearrangements. We discuss the possible reasons why satellite DNAs having such structures are rarely found in mammals.
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Affiliation(s)
| | - Yusuke Honda
- Noichi Zoological Park of Kochi Prefecture, Konan, Japan;
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Population Scale Analysis of Centromeric Satellite DNA Reveals Highly Dynamic Evolutionary Patterns and Genomic Organization in Long-Tailed and Rhesus Macaques. Cells 2022; 11:cells11121953. [PMID: 35741082 PMCID: PMC9221937 DOI: 10.3390/cells11121953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/12/2022] [Accepted: 06/14/2022] [Indexed: 02/04/2023] Open
Abstract
Centromeric satellite DNA (cen-satDNA) consists of highly divergent repeat monomers, each approximately 171 base pairs in length. Here, we investigated the genetic diversity in the centromeric region of two primate species: long-tailed (Macaca fascicularis) and rhesus (Macaca mulatta) macaques. Fluorescence in situ hybridization and bioinformatic analysis showed the chromosome-specific organization and dynamic nature of cen-satDNAsequences, and their substantial diversity, with distinct subfamilies across macaque populations, suggesting increased turnovers. Comparative genomics identified high level polymorphisms spanning a 120 bp deletion region and a remarkable interspecific variability in cen-satDNA size and structure. Population structure analysis detected admixture patterns within populations, indicating their high divergence and rapid evolution. However, differences in cen-satDNA profiles appear to not be involved in hybrid incompatibility between the two species. Our study provides a genomic landscape of centromeric repeats in wild macaques and opens new avenues for exploring their impact on the adaptive evolution and speciation of primates.
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Nishihara H, Stanyon R, Tanabe H, Koga A. Replacement of owl monkey centromere satellite by a newly evolved variant was a recent and rapid process. Genes Cells 2021; 26:979-986. [PMID: 34570411 DOI: 10.1111/gtc.12898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/16/2021] [Accepted: 09/23/2021] [Indexed: 11/29/2022]
Abstract
Alpha satellite DNA is a major DNA component of primate centromeres. We previously reported that Azara's owl monkey has two types of alpha satellite DNA, OwlAlp1 and OwlAlp2. OwlAlp2 (344 bp) exhibits a sequence similarity throughout its entire length with alpha satellite DNA of closely related species. OwlAlp1 (185 bp) corresponds to the part of OwlAlp2. Based on the observation that the CENP-A protein binds to OwlAlp1, we proposed that OwlAlp1 is a relatively new repetitive DNA that replaced OwlAlp2 as the centromeric satellite DNA. However, a detailed picture of the evolutionary process of this centromere DNA replacement remains largely unknown. Here, we performed a phylogenetic analysis of OwlAlp1 and OwlAlp2 sequences, and also compared our results to alpha satellite DNA sequences of other primate species. We found that: (i) OwlAlp1 exhibits a higher similarity to OwlAlp2 than to alpha satellite DNA of other species, (ii) OwlAlp1 has a single origin, and (iii) sequence variation is lower in OwlAlp1 than in OwlAlp2. We conclude that OwlAlp1 underwent a recent and rapid expansion in the owl monkey lineage. This centromere DNA replacement could have been facilitated by the heterochromatin reorganization that is associated with the adaptation of owl monkeys to a nocturnal lifestyle.
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Affiliation(s)
- Hidenori Nishihara
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Japan
| | - Roscoe Stanyon
- Department of Biology, University of Florence, Florence, Italy
| | - Hideyuki Tanabe
- Department of Evolutionary Studies of Biosystems, The Graduate University for Advanced Studies, Hayama, Japan
| | - Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama, Japan
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Tanabe H, Kusakabe KT, Imai H, Yokota SI, Kuraishi T, Hattori S, Kai C, Koga A. The Heterochromatin Block That Functions as a Rod Cell Microlens in Owl Monkeys Formed within a 15-Myr Time Span. Genome Biol Evol 2021; 13:6127177. [PMID: 33533923 PMCID: PMC7991628 DOI: 10.1093/gbe/evab021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2021] [Indexed: 01/20/2023] Open
Abstract
In rod cells of many nocturnal mammals, heterochromatin localizes to the central region of the nucleus and serves as a lens to send light efficiently to the photoreceptor region. The genus Aotus (owl monkeys) is commonly considered to have undergone a shift from diurnal to nocturnal lifestyle. We recently demonstrated that rod cells of the Aotus species Aotus azarae possess a heterochromatin block at the center of its nucleus. The purpose of the present study was to estimate the time span in which the formation of the heterochromatin block took place. We performed three-dimensional hybridization analysis of the rod cell of another species, Aotus lemurinus. This analysis revealed the presence of a heterochromatin block that consisted of the same DNA components as those in A. azarae. These results indicate that the formation was complete at or before the separation of the two species. Based on the commonly accepted evolutionary history of New World monkeys and specifically of owl monkeys, the time span for the entire formation process was estimated to be 15 Myr at most.
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Affiliation(s)
- Hideyuki Tanabe
- Department of Evolutionary Studies of Biosystems, The Graduate University for Advanced Studies, SOKENDAI, Hayama, Japan
| | - Ken Takeshi Kusakabe
- Laboratory of Veterinary Anatomy, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan
| | - Hiroyuki Imai
- Laboratory of Veterinary Anatomy, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan
| | - Shin-Ichi Yokota
- Amami Laboratory of Injurious Animals, Institute of Medical Science, The University of Tokyo, Kagoshima, Japan
| | - Takeshi Kuraishi
- Amami Laboratory of Injurious Animals, Institute of Medical Science, The University of Tokyo, Kagoshima, Japan
| | - Shosaku Hattori
- Amami Laboratory of Injurious Animals, Institute of Medical Science, The University of Tokyo, Kagoshima, Japan
| | - Chieko Kai
- Amami Laboratory of Injurious Animals, Institute of Medical Science, The University of Tokyo, Kagoshima, Japan.,Institute of Industrial Science, The University of Tokyo, Komaba, Japan
| | - Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama, Japan
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Ahmad SF, Singchat W, Jehangir M, Suntronpong A, Panthum T, Malaivijitnond S, Srikulnath K. Dark Matter of Primate Genomes: Satellite DNA Repeats and Their Evolutionary Dynamics. Cells 2020; 9:E2714. [PMID: 33352976 PMCID: PMC7767330 DOI: 10.3390/cells9122714] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/12/2022] Open
Abstract
A substantial portion of the primate genome is composed of non-coding regions, so-called "dark matter", which includes an abundance of tandemly repeated sequences called satellite DNA. Collectively known as the satellitome, this genomic component offers exciting evolutionary insights into aspects of primate genome biology that raise new questions and challenge existing paradigms. A complete human reference genome was recently reported with telomere-to-telomere human X chromosome assembly that resolved hundreds of dark regions, encompassing a 3.1 Mb centromeric satellite array that had not been identified previously. With the recent exponential increase in the availability of primate genomes, and the development of modern genomic and bioinformatics tools, extensive growth in our knowledge concerning the structure, function, and evolution of satellite elements is expected. The current state of knowledge on this topic is summarized, highlighting various types of primate-specific satellite repeats to compare their proportions across diverse lineages. Inter- and intraspecific variation of satellite repeats in the primate genome are reviewed. The functional significance of these sequences is discussed by describing how the transcriptional activity of satellite repeats can affect gene expression during different cellular processes. Sex-linked satellites are outlined, together with their respective genomic organization. Mechanisms are proposed whereby satellite repeats might have emerged as novel sequences during different evolutionary phases. Finally, the main challenges that hinder the detection of satellite DNA are outlined and an overview of the latest methodologies to address technological limitations is presented.
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Affiliation(s)
- Syed Farhan Ahmad
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (A.S.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand
| | - Worapong Singchat
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (A.S.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand
| | - Maryam Jehangir
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (A.S.); (T.P.)
- Department of Structural and Functional Biology, Institute of Bioscience at Botucatu, São Paulo State University (UNESP), Botucatu, São Paulo 18618-689, Brazil
| | - Aorarat Suntronpong
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (A.S.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand
| | - Thitipong Panthum
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (A.S.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand
| | - Suchinda Malaivijitnond
- National Primate Research Center of Thailand, Chulalongkorn University, Saraburi 18110, Thailand;
- Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Kornsorn Srikulnath
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (A.S.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand
- National Primate Research Center of Thailand, Chulalongkorn University, Saraburi 18110, Thailand;
- Center of Excellence on Agricultural Biotechnology (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand
- Omics Center for Agriculture, Bioresources, Food and Health, Kasetsart University (OmiKU), Bangkok 10900, Thailand
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7
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Ahmad SF, Singchat W, Jehangir M, Panthum T, Srikulnath K. Consequence of Paradigm Shift with Repeat Landscapes in Reptiles: Powerful Facilitators of Chromosomal Rearrangements for Diversity and Evolution. Genes (Basel) 2020; 11:E827. [PMID: 32708239 PMCID: PMC7397244 DOI: 10.3390/genes11070827] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 12/24/2022] Open
Abstract
Reptiles are notable for the extensive genomic diversity and species richness among amniote classes, but there is nevertheless a need for detailed genome-scale studies. Although the monophyletic amniotes have recently been a focus of attention through an increasing number of genome sequencing projects, the abundant repetitive portion of the genome, termed the "repeatome", remains poorly understood across different lineages. Consisting predominantly of transposable elements or mobile and satellite sequences, these repeat elements are considered crucial in causing chromosomal rearrangements that lead to genomic diversity and evolution. Here, we propose major repeat landscapes in representative reptilian species, highlighting their evolutionary dynamics and role in mediating chromosomal rearrangements. Distinct karyotype variability, which is typically a conspicuous feature of reptile genomes, is discussed, with a particular focus on rearrangements correlated with evolutionary reorganization of micro- and macrochromosomes and sex chromosomes. The exceptional karyotype variation and extreme genomic diversity of reptiles are used to test several hypotheses concerning genomic structure, function, and evolution.
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Affiliation(s)
- Syed Farhan Ahmad
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand
| | - Worapong Singchat
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand
| | - Maryam Jehangir
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (T.P.)
- Integrative Genomics Lab-LGI, Department of Structural and Functional Biology, Institute of Bioscience at Botucatu, São Paulo State University (UNESP), Botucatu 18618-689, Brazil
| | - Thitipong Panthum
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand
| | - Kornsorn Srikulnath
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand; (S.F.A.); (W.S.); (M.J.); (T.P.)
- Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok 10900, Thailand
- Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University, Kasetsart University, Bangkok 10900, Thailand
- Center of Excellence on Agricultural Biotechnology (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand
- Omics Center for Agriculture, Bioresources, Food and Health, Kasetsart University (OmiKU), Bangkok 10900, Thailand
- Amphibian Research Center, Hiroshima University, 1-3-1, Kagamiyama, Higashihiroshima 739-8526, Japan
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Suntronpong A, Singchat W, Kruasuwan W, Prakhongcheep O, Sillapaprayoon S, Muangmai N, Somyong S, Indananda C, Kraichak E, Peyachoknagul S, Srikulnath K. Characterization of centromeric satellite DNAs (MALREP) in the Asian swamp eel (Monopterus albus) suggests the possible origin of repeats from transposable elements. Genomics 2020; 112:3097-3107. [PMID: 32470643 DOI: 10.1016/j.ygeno.2020.05.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/21/2020] [Accepted: 05/24/2020] [Indexed: 01/04/2023]
Abstract
Centromeric satellite DNA (cen-satDNA) sequences of the Asian swamp eel (Monopterus albus) were characterized. Three GC-rich cen-satDNA sequences were detected as a 233 bp MALREP-A and a 293 bp MALREP-B localized to all chromosomes, and a 293 bp MALREP-C distributed on eight chromosome pairs. Sequence lengths of MALREP-B and MALREP-C were 60 bp larger than that of MALREP-A, showing partial homology with core sequences (233 bp). Size differences between MALREP-A and MALREP-B/C suggest the possible occurrence of two satDNA families. The presence of an additional 60 bp in MALREP-B/C resulted from an ancient dimer of 233 bp monomers and subsequent mutation and homogenization between the two monomers. All MALREPs showed partial homology with transposable elements (TEs), suggesting that the MALREPs originated from the TEs. The MALREPs might have been acquired in the Asian swamp eel, thereby promoting fixation in the species.
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Affiliation(s)
- Aorarat Suntronpong
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; Special Research Unit for Wildlife Genomics, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand.
| | - Worapong Singchat
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; Special Research Unit for Wildlife Genomics, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand.
| | - Worarat Kruasuwan
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
| | - Ornjira Prakhongcheep
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
| | - Siwapech Sillapaprayoon
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; Special Research Unit for Wildlife Genomics, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand.
| | - Narongrit Muangmai
- Department of Fishery Biology, Faculty of Fisheries, Kasetsart University, Bangkok 10900, Thailand.
| | - Suthasinee Somyong
- National Omics Center, National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani 12120, Thailand.
| | - Chantra Indananda
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
| | - Ekaphan Kraichak
- Department of Botany, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
| | - Surin Peyachoknagul
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
| | - Kornsorn Srikulnath
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; Special Research Unit for Wildlife Genomics, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok 10900, Thailand; Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University, Kasetsart University, Bangkok 10900, Thailand; Center of Excellence on Agricultural Biotechnology (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand; Omics Center for Agriculture, Bioresources, Food and Health, Kasetsart University (OmiKU), Bangkok 10900, Thailand; Amphibian Research Center, Hiroshima University, 1-3-1, Kagamiyama, Higashihiroshima 739-8526, Japan.
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9
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Valeri MP, Dias GB, Moreira CN, Yonenaga-Yassuda Y, Stanyon R, Kuhn GCES, Svartman M. Characterization of Satellite DNAs in Squirrel Monkeys genus Saimiri (Cebidae, Platyrrhini). Sci Rep 2020; 10:7783. [PMID: 32385398 PMCID: PMC7210261 DOI: 10.1038/s41598-020-64620-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 04/15/2020] [Indexed: 02/01/2023] Open
Abstract
The genus Saimiri is a decades-long taxonomic and phylogenetic puzzle to which cytogenetics has contributed crucial data. All Saimiri species apparently have a diploid number of 2n = 44 but vary in the number of chromosome arms. Repetitive sequences such as satellite DNAs are potentially informative cytogenetic markers because they display high evolutionary rates. Our goal is to increase the pertinent karyological data by more fully characterizing satellite DNA sequences in the Saimiri genus. We were able to identify two abundant satellite DNAs, alpha (~340 bp) and CapA (~1,500 bp), from short-read clustering of sequencing datasets from S. boliviensis. The alpha sequences comprise about 1% and the CapA 2.2% of the S. boliviensis genome. We also mapped both satellite DNAs in S. boliviensis, S. sciureus, S. vanzolinii, and S. ustus. The alpha has high interspecific repeat homogeneity and was mapped to the centromeres of all analyzed species. CapA is associated with non-pericentromeric heterochromatin and its distribution varies among Saimiri species. We conclude that CapA genomic distribution and its pervasiveness across Platyrrhini makes it an attractive cytogenetic marker for Saimiri and other New World monkeys.
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Affiliation(s)
- Mirela Pelizaro Valeri
- Laboratório de Citogenômica Evolutiva, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Guilherme Borges Dias
- Department of Genetics and Institute of Bioinformatics, University of Georgia, Athens, GA, United States of America
| | - Camila Nascimento Moreira
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Yatiyo Yonenaga-Yassuda
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Roscoe Stanyon
- Department of Biology, University of Florence, Florence, Italy
| | - Gustavo Campos E Silva Kuhn
- Laboratório de Citogenômica Evolutiva, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Marta Svartman
- Laboratório de Citogenômica Evolutiva, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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Thongchum R, Nishihara H, Srikulnath K, Hirai H, Koga A. The CENP-B box, a nucleotide motif involved in centromere formation, has multiple origins in New World monkeys. Genes Genet Syst 2019; 94:301-306. [DOI: 10.1266/ggs.19-00042] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Ratchaphol Thongchum
- Primate Research Institute, Kyoto University
- Faculty of Science, Kasetsart University
| | - Hidenori Nishihara
- Department of Life Science and Technology, Tokyo Institute of Technology
| | - Kornsorn Srikulnath
- Faculty of Science, Kasetsart University
- National Primate Research Center of Thailand, Chulalongkorn University
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11
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Smalec BM, Heider TN, Flynn BL, O'Neill RJ. A centromere satellite concomitant with extensive karyotypic diversity across the Peromyscus genus defies predictions of molecular drive. Chromosome Res 2019; 27:237-252. [PMID: 30771198 PMCID: PMC6733818 DOI: 10.1007/s10577-019-09605-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 01/26/2019] [Accepted: 01/29/2019] [Indexed: 12/17/2022]
Abstract
A common feature of eukaryotic centromeres is the presence of large tracts of tandemly arranged repeats, known as satellite DNA. However, these centromeric repeats appear to experience rapid evolution under forces such as molecular drive and centromere drive, seemingly without consequence to the integrity of the centromere. Moreover, blocks of heterochromatin within the karyotype, including the centromere, are hotspots for chromosome rearrangements that may drive speciation events by contributing to reproductive isolation. However, the relationship between the evolution of heterochromatic sequences and the karyotypic dynamics of these regions remains largely unknown. Here, we show that a single conserved satellite DNA sequence in the order Rodentia of the genus Peromyscus localizes to recurrent sites of chromosome rearrangements and heterochromatic amplifications. Peromyscine species display several unique features of chromosome evolution compared to other Rodentia, including stable maintenance of a strict chromosome number of 48 among all known species in the absence of any detectable interchromosomal rearrangements. Rather, the diverse karyotypes of Peromyscine species are due to intrachromosomal variation in blocks of repeated DNA content. Despite wide variation in the copy number and location of repeat blocks among different species, we find that a single satellite monomer maintains a conserved sequence and homogenized tandem repeat structure, defying predictions of molecular drive. The conservation of this satellite monomer results in common, abundant, and large blocks of chromatin that are homologous among chromosomes within one species and among diverged species. Thus, such a conserved repeat may have facilitated the retention of polymorphic chromosome variants within individuals and intrachromosomal rearrangements between species-both factors that have previously been hypothesized to contribute towards the extremely wide range of ecological adaptations that this genus exhibits.
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Affiliation(s)
- Brendan M Smalec
- Institute for Systems Genomics and Department of Molecular and Cell Biology, University of Connecticut, 67 North Eagleville Road, Unit 3127, Storrs, CT, 06269, USA
| | - Thomas N Heider
- Institute for Systems Genomics and Department of Molecular and Cell Biology, University of Connecticut, 67 North Eagleville Road, Unit 3127, Storrs, CT, 06269, USA
| | - Brianna L Flynn
- Institute for Systems Genomics and Department of Molecular and Cell Biology, University of Connecticut, 67 North Eagleville Road, Unit 3127, Storrs, CT, 06269, USA
| | - Rachel J O'Neill
- Institute for Systems Genomics and Department of Molecular and Cell Biology, University of Connecticut, 67 North Eagleville Road, Unit 3127, Storrs, CT, 06269, USA.
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12
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Oizumi Y, Koga A, Kanoh J. Alpha satellite DNA-repeat OwlAlp1 forms centromeres in Azara's owl monkey. Genes Cells 2019; 24:511-517. [PMID: 31095817 DOI: 10.1111/gtc.12701] [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: 01/16/2019] [Revised: 05/10/2019] [Accepted: 05/13/2019] [Indexed: 12/19/2022]
Abstract
Centromeres play crucial roles in faithful chromosome segregation and genome integrity. In simian primates, centromeres possess tandem array of alpha satellite DNA (also referred to as alphoid DNA). Average sizes of alpha satellite repeat units vary between species, for example, 171 bp in human and 343-344 bp in many platyrrhini species (New World monkeys). Interestingly, Azara's owl monkey (Aotus azarae), a platyrrhini species, possesses alpha satellite DNA of two distinct unit sizes, OwlAlp1 (185 bp) and OwlAlp2 (344 bp), both of which present as megasatellite DNAs in the genome. It is, however, unknown which repeat sequence is responsible for functional centromere formation. To investigate the localization of centromeres in vivo, we carried out chromatin immunoprecipitation (ChIP) assay using Azara's owl monkey cells. We found that CENP-A, a histone H3 variant essential for centromere formation, was enriched at OwlAlp1, but not at OwlAlp2. Moreover, CENP-A was detected only at constricted regions of chromosomes by immunofluorescent microscopy. In contrast, trimethylation of histone H3-K9 (H3K9me3), a marker of heterochromatin, was enriched at both OwlAlp1 and OwlAlp2. Our results show that the shorter alpha satellite repeat, OwlAlp1, is selectively used for centromere formation in this monkey.
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Affiliation(s)
- Yusuke Oizumi
- Institute for Protein Research, Osaka University, Suita, Japan
| | - Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama, Japan
| | - Junko Kanoh
- Institute for Protein Research, Osaka University, Suita, Japan
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Nishihara H, Stanyon R, Kusumi J, Hirai H, Koga A. Evolutionary Origin of OwlRep, a Megasatellite DNA Associated with Adaptation of Owl Monkeys to Nocturnal Lifestyle. Genome Biol Evol 2018; 10:157-165. [PMID: 29294004 PMCID: PMC5765563 DOI: 10.1093/gbe/evx281] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2017] [Indexed: 12/14/2022] Open
Abstract
Rod cells of many nocturnal mammals have a “non-standard” nuclear architecture, which is called the inverted nuclear architecture. Heterochromatin localizes to the central region of the nucleus. This leads to an efficient light transmission to the outer segments of photoreceptors. Rod cells of diurnal mammals have the conventional nuclear architecture. Owl monkeys (genus Aotus) are the only taxon of simian primates that has a nocturnal or cathemeral lifestyle, and this adaptation is widely thought to be secondary. Their rod cells were shown to exhibit an intermediate chromatin distribution: a spherical heterochromatin block was found in the central region of the nucleus although it was less complete than that of typical nocturnal mammals. We recently demonstrated that the primary DNA component of this heterochromatin block was OwlRep, a megasatellite DNA consisting of 187-bp-long repeat units. However, the origin of OwlRep was not known. Here we show that OwlRep was derived from HSAT6, a simple repeat sequence found in the centromere regions of human chromosomes. HSAT6 occurs widely in primates, suggesting that it was already present in the last common ancestor of extant primates. Notably, Strepsirrhini and Tarsiformes apparently carry a single HSAT6 copy, whereas many species of Simiiformes contain multiple copies. Comparison of nucleotide sequences of these copies revealed the entire process of the OwlRep formation. HSAT6, with or without flanking sequences, was segmentally duplicated in New World monkeys. Then, in the owl monkey linage after its divergence from other New World monkeys, a copy of HSAT6 was tandemly amplified, eventually forming a megasatellite DNA.
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Affiliation(s)
- Hidenori Nishihara
- Department of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Japan
| | | | - Junko Kusumi
- Faculty of Social and Cultural Studies, Kyushu University, Fukuoka, Japan
| | - Hirohisa Hirai
- Primate Research Institute, Kyoto University, Inuyama, Japan
| | - Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama, Japan
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Cacheux L, Ponger L, Gerbault-Seureau M, Loll F, Gey D, Richard FA, Escudé C. The Targeted Sequencing of Alpha Satellite DNA in Cercopithecus pogonias Provides New Insight Into the Diversity and Dynamics of Centromeric Repeats in Old World Monkeys. Genome Biol Evol 2018; 10:1837-1851. [PMID: 29860303 PMCID: PMC6061836 DOI: 10.1093/gbe/evy109] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/29/2018] [Indexed: 02/06/2023] Open
Abstract
Alpha satellite is the major repeated DNA element of primate centromeres. Specific evolutionary mechanisms have led to a great diversity of sequence families with peculiar genomic organization and distribution, which have till now been studied mostly in great apes. Using high throughput sequencing of alpha satellite monomers obtained by enzymatic digestion followed by computational and cytogenetic analysis, we compare here the diversity and genomic distribution of alpha satellite DNA in two related Old World monkey species, Cercopithecus pogonias and Cercopithecus solatus, which are known to have diverged about 7 Ma. Two main families of monomers, called C1 and C2, are found in both species. A detailed analysis of our data sets revealed the existence of numerous subfamilies within the centromeric C1 family. Although the most abundant subfamily is conserved between both species, our fluorescence in situ hybridization (FISH) experiments clearly show that some subfamilies are specific for each species and that their distribution is restricted to a subset of chromosomes, thereby pointing to the existence of recurrent amplification/homogenization events. The pericentromeric C2 family is very abundant on the short arm of all acrocentric chromosomes in both species, pointing to specific mechanisms that lead to this distribution. Results obtained using two different restriction enzymes are fully consistent with a predominant monomeric organization of alpha satellite DNA that coexists with higher order organization patterns in the C. pogonias genome. Our study suggests a high dynamics of alpha satellite DNA in Cercopithecini, with recurrent apparition of new sequence variants and interchromosomal sequence transfer.
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Affiliation(s)
- Lauriane Cacheux
- Département Adaptations du Vivant, Structure et Instabilité des Génomes, INSERM U1154, CNRS UMR7196, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
- Département Origines et Evolution, Institut de Systématique, Evolution, Biodiversité, UMR 7205 MNHN, CNRS, UPMC, EPHE, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
| | - Loïc Ponger
- Département Adaptations du Vivant, Structure et Instabilité des Génomes, INSERM U1154, CNRS UMR7196, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
| | - Michèle Gerbault-Seureau
- Département Origines et Evolution, Institut de Systématique, Evolution, Biodiversité, UMR 7205 MNHN, CNRS, UPMC, EPHE, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
| | - François Loll
- Département Adaptations du Vivant, Structure et Instabilité des Génomes, INSERM U1154, CNRS UMR7196, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
| | - Delphine Gey
- Service de Systématique Moléculaire, UMS 2700 CNRS, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
| | - Florence Anne Richard
- Département Origines et Evolution, Institut de Systématique, Evolution, Biodiversité, UMR 7205 MNHN, CNRS, UPMC, EPHE, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
- Université Versailles St-Quentin, Montigny-le-Bretonneux, France
| | - Christophe Escudé
- Département Adaptations du Vivant, Structure et Instabilité des Génomes, INSERM U1154, CNRS UMR7196, Sorbonne Universités, Muséum National d’Histoire Naturelle, Paris, France
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15
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Koga A, Tanabe H, Hirai Y, Imai H, Imamura M, Oishi T, Stanyon R, Hirai H. Co-Opted Megasatellite DNA Drives Evolution of Secondary Night Vision in Azara's Owl Monkey. Genome Biol Evol 2017; 9:1963-1970. [PMID: 28810713 PMCID: PMC5553404 DOI: 10.1093/gbe/evx142] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2017] [Indexed: 11/12/2022] Open
Abstract
Owl monkeys (genus Aotus) are the only taxon in simian primates that consists of nocturnal or otherwise cathemeral species. Their night vision is superior to that of other monkeys, apes, and humans but not as good as that of typical nocturnal mammals. This incomplete night vision has been used to conclude that these monkeys only secondarily adapted to a nocturnal lifestyle, or to their cathemeral lifestyle that involves high night-time activity. It is known that the rod cells of many nocturnal mammals possess a unique nuclear architecture in which heterochromatin is centrally located. This "inverted nuclear architecture", in contrast with "conventional nuclear architecture", provides elevated night vision by passing light efficiently to the outer segments of photoreceptors. Owl monkey rod cells exhibit an intermediate chromatin distribution, which may provide them with less efficient night vision than other nocturnal mammals. Recently, we identified three megasatellite DNAs in the genome of Azara's owl monkey (Aotus azarae). In the present study, we show that one of the three megasatellite DNAs, OwlRep, serves as the primary component of the heterochromatin block located in the central space of the rod nucleus in A. azarae. This satellite DNA is likely to have emerged in the Aotus lineage after its divergence from those of other platyrrhini taxa and underwent a rapid expansion in the genome. Our results indicate that the heterochromatin core in the A. azarae rod nucleus was newly formed in A. azarae or its recent ancestor, and supports the hypothesis that A. azarae, and with all probability other Aotus species, secondarily acquired night vision.
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Affiliation(s)
- Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama, Japan
| | - Hideyuki Tanabe
- Department of Evolutionary Studies of Biosystems, SOKENDAI (The Graduate University for Advanced Studies), Hayama, Japan
| | - Yuriko Hirai
- Primate Research Institute, Kyoto University, Inuyama, Japan
| | - Hiroo Imai
- Primate Research Institute, Kyoto University, Inuyama, Japan
| | | | - Takao Oishi
- Primate Research Institute, Kyoto University, Inuyama, Japan
| | | | - Hirohisa Hirai
- Primate Research Institute, Kyoto University, Inuyama, Japan
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16
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Ishiyama S, Yamazaki K, Kurihara F, Yamashita D, Sao K, Hattori A, Koga A. DNA-based transposable elements with nucleotide sequence similar to Tol2 from medaka fish are prevalent in cyprinid fishes. GENE REPORTS 2017. [DOI: 10.1016/j.genrep.2017.08.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Prakhongcheep O, Thapana W, Suntronpong A, Singchat W, Pattanatanang K, Phatcharakullawarawat R, Muangmai N, Peyachoknagul S, Matsubara K, Ezaz T, Srikulnath K. Lack of satellite DNA species-specific homogenization and relationship to chromosomal rearrangements in monitor lizards (Varanidae, Squamata). BMC Evol Biol 2017; 17:193. [PMID: 28814266 PMCID: PMC5559828 DOI: 10.1186/s12862-017-1044-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 08/08/2017] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Satellite DNAs (stDNAs) are highly repeated sequences that constitute large portions of any genome. The evolutionary dynamics of stDNA (e.g. copy number, nucleotide sequence, location) can, therefore, provide an insight into genome organization and evolution. We investigated the evolutionary origin of VSAREP stDNA in 17 monitor lizards (seven Asian, five Australian, and five African) at molecular and cytogenetic level. RESULTS Results revealed that VSAREP is conserved in the genome of Asian and Australian varanids, but not in African varanids, suggesting that these sequences are either differentiated or lost in the African varanids. Phylogenetic and arrangement network analyses revealed the existence of at least four VSAREP subfamilies. The similarity of each sequence unit within the same VSAREP subfamily from different species was higher than those of other VSAREP subfamilies belonging to the same species. Additionally, all VSAREP subfamilies isolated from the three Australian species (Varanus rosenbergi, V. gouldii, and V. acanthurus) were co-localized near the centromeric or pericentromeric regions of the macrochromosomes, except for chromosomes 3 and 4 in each Australian varanid. However, their chromosomal arrangements were different among species. CONCLUSIONS The VSAREP stDNA family lack homogenized species-specific nucleotide positions in varanid lineage. Most VSAREP sequences were shared among varanids within the four VSAREP subfamilies. This suggests that nucleotide substitutions in each varanid species accumulated more slowly than homogenization rates in each VSAREP subfamily, resulting in non-species-specific evolution of stDNA profiles. Moreover, changes in location of VSAREP stDNA in each Australian varanid suggests a correlation with chromosomal rearrangements, leading to karyotypic differences among these species.
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Affiliation(s)
- Ornjira Prakhongcheep
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Animal Breeding and Genetics Consortium - Kasetsart University (ABG - KU), 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University (CASTNAR, NRU-KU), Kasetsart University, Bangkok, 10900, Thailand
| | - Watcharaporn Thapana
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Animal Breeding and Genetics Consortium - Kasetsart University (ABG - KU), 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University (CASTNAR, NRU-KU), Kasetsart University, Bangkok, 10900, Thailand
| | - Aorarat Suntronpong
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Animal Breeding and Genetics Consortium - Kasetsart University (ABG - KU), 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
| | - Worapong Singchat
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Animal Breeding and Genetics Consortium - Kasetsart University (ABG - KU), 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
| | - Khampee Pattanatanang
- Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Real Zoo, The Sky Shopping Center, Ayutthaya, 13210, Thailand
| | | | - Narongrit Muangmai
- Department of Fishery Biology, Faculty of Fisheries, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
| | - Surin Peyachoknagul
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand
- Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University (CASTNAR, NRU-KU), Kasetsart University, Bangkok, 10900, Thailand
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Kazumi Matsubara
- Wildlife Genetics Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2600, Australia
| | - Tariq Ezaz
- Wildlife Genetics Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2600, Australia
| | - Kornsorn Srikulnath
- Laboratory of Animal Cytogenetics and Comparative Genomics (ACCG), Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand.
- Animal Breeding and Genetics Consortium - Kasetsart University (ABG - KU), 50 Ngamwongwan, Chatuchak, Bangkok, 10900, Thailand.
- Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University (CASTNAR, NRU-KU), Kasetsart University, Bangkok, 10900, Thailand.
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Kugou K, Hirai H, Masumoto H, Koga A. Formation of functional CENP-B boxes at diverse locations in repeat units of centromeric DNA in New World monkeys. Sci Rep 2016; 6:27833. [PMID: 27292628 PMCID: PMC4904201 DOI: 10.1038/srep27833] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 05/25/2016] [Indexed: 12/17/2022] Open
Abstract
Centromere protein B, which is involved in centromere formation, binds to centromeric repetitive DNA by recognizing a nucleotide motif called the CENP-B box. Humans have large numbers of CENP-B boxes in the centromeric repetitive DNA of their autosomes and X chromosome. The current understanding is that these CENP-B boxes are located at identical positions in the repeat units of centromeric DNA. Great apes also have CENP-B boxes in locations that are identical to humans. The purpose of the present study was to examine the location of CENP-B box in New World monkeys. We recently identified CENP-B box in one species of New World monkeys (marmosets). In this study, we found functional CENP-B boxes in CENP-A-assembled repeat units of centromeric DNA in 2 additional New World monkeys (squirrel monkeys and tamarins) by immunostaining and ChIP-qPCR analyses. The locations of the 3 CENP-B boxes in the repeat units differed from one another. The repeat unit size of centromeric DNA of New World monkeys (340–350 bp) is approximately twice that of humans and great apes (171 bp). This might be, associated with higher-order repeat structures of centromeric DNA, a factor for the observed variation in the CENP-B box location in New World monkeys.
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Affiliation(s)
- Kazuto Kugou
- Department of Frontier Research, Kazusa DNA Research Institute, Kisarazu 292-0818, Japan
| | - Hirohisa Hirai
- Primate Research Institute, Kyoto University, Inuyama 484-8506, Japan
| | - Hiroshi Masumoto
- Department of Frontier Research, Kazusa DNA Research Institute, Kisarazu 292-0818, Japan
| | - Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama 484-8506, Japan
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Sujiwattanarat P, Thapana W, Srikulnath K, Hirai Y, Hirai H, Koga A. Higher-order repeat structure in alpha satellite DNA occurs in New World monkeys and is not confined to hominoids. Sci Rep 2015; 5:10315. [PMID: 25974220 PMCID: PMC4431391 DOI: 10.1038/srep10315] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 03/25/2015] [Indexed: 11/17/2022] Open
Abstract
Centromeres usually contain large amounts of tandem repeat DNA. Alpha satellite DNA (AS) is the most abundant tandem repeat DNA found in the centromeres of simian primates. The AS of humans contains sequences organized into higher-order repeat (HOR) structures, which are tandem arrays of larger repeat units consisting of multiple basic repeat units. HOR-carrying AS also occurs in other hominoids, but results reported to date for phylogenetically more remote taxa have been negative. Here we show direct evidence for clear HOR structures in AS of the owl monkey and common marmoset. These monkeys are New World monkey species that are located phylogenetically outside of hominoids. It is currently postulated that the presence of HOR structures in AS is unique to hominoids. Our results suggest that this view must be modified. A plausible explanation is that generation of HOR structures is a general event that occurs occasionally or frequently in primate centromeres, and that, in humans, HOR-carrying AS became predominant in the central region of the centromere. It is often difficult to assemble sequence reads of tandem repeat DNAs into accurate contig sequences; our careful sequencing strategy allowed us to overcome this problem.
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Affiliation(s)
- Penporn Sujiwattanarat
- 1] Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan [2] Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Watcharaporn Thapana
- 1] Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan [2] Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | | | - Yuriko Hirai
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
| | - Hirohisa Hirai
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
| | - Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
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20
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Reduction in the structural instability of cloned eukaryotic tandem-repeat DNA by low-temperature culturing of host bacteria. Genet Res (Camb) 2014; 96:e13. [PMID: 25578068 DOI: 10.1017/s0016672314000172] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Summary For accurate analyses of eukaryotic tandem-repeat DNA, it is often required to clone a genomic DNA fragment into a bacterial plasmid. It is, however, a serious problem that tandem-repeat DNA is frequently subjected to structural changes during maintenance or amplification in the host bacteria. Here, we show an example of a clear difference in the instability of tandem-repeat DNA between different culturing temperatures. A fragment of monkey centromeric DNA carried by pUC19 was considerably degraded by culturing bacteria at 37 °C, but the damage was reduced at 25 °C. Thus, culturing temperature is a significant factor for avoiding degradation, in addition to the genotype of the host bacteria.
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21
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Koga A, Hirai Y, Terada S, Jahan I, Baicharoen S, Arsaithamkul V, Hirai H. Evolutionary origin of higher-order repeat structure in alpha-satellite DNA of primate centromeres. DNA Res 2014; 21:407-15. [PMID: 24585002 PMCID: PMC4131833 DOI: 10.1093/dnares/dsu005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Alpha-satellite DNA (AS) is a main DNA component of primate centromeres, consisting of tandemly repeated units of ∼170 bp. The AS of humans contains sequences organized into higher-order repeat (HOR) structures, in which a block of multiple repeat units forms a larger repeat unit and the larger units are repeated tandemly. The presence of HOR in AS is widely thought to be unique to hominids (family Hominidae; humans and great apes). Recently, we have identified an HOR-containing AS in the siamang, which is a small ape species belonging to the genus Symphalangus in the family Hylobatidae. This result supports the view that HOR in AS is an attribute of hominoids (superfamily Hominoidea) rather than hominids. A single example is, however, not sufficient for discussion of the evolutionary origin of HOR-containing AS. In the present study, we developed an efficient method for detecting signs of large-scale HOR and demonstrated HOR of AS in all the three other genera. Thus, AS organized into HOR occurs widely in hominoids. Our results indicate that (i) HOR-containing AS was present in the last common ancestor of hominoids or (ii) HOR-containing AS emerged independently in most or all basal branches of hominoids. We have also confirmed HOR occurrence in centromeric AS in the Hylobatidae family, which remained unclear in our previous study because of the existence of AS in subtelomeric regions, in addition to centromeres, of siamang chromosomes.
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Affiliation(s)
- Akihiko Koga
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
| | - Yuriko Hirai
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
| | - Shoko Terada
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
| | - Israt Jahan
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
| | - Sudarath Baicharoen
- Bureau of Conservation Research and Education, Zoological Park Organization, Bangkok 10300, Thailand
| | - Visit Arsaithamkul
- Bureau of Conservation Research and Education, Zoological Park Organization, Bangkok 10300, Thailand
| | - Hirohisa Hirai
- Primate Research Institute, Kyoto University, Inuyama City 484-8506, Japan
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Prakhongcheep O, Chaiprasertsri N, Terada S, Hirai Y, Srikulnath K, Hirai H, Koga A. Heterochromatin blocks constituting the entire short arms of acrocentric chromosomes of Azara's owl monkey: formation processes inferred from chromosomal locations. DNA Res 2013; 20:461-70. [PMID: 23761219 PMCID: PMC3789557 DOI: 10.1093/dnares/dst023] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Centromeres and telomeres of higher eukaryotes generally contain repetitive sequences, which often form pericentric or subtelomeric heterochromatin blocks. C-banding analysis of chromosomes of Azara's owl monkey, a primate species, showed that the short arms of acrocentric chromosomes consist mostly or solely of constitutive heterochromatin. The purpose of the present study was to determine which category, pericentric, or subtelomeric is most appropriate for this heterochromatin, and to infer its formation processes. We cloned and sequenced its DNA component, finding it to be a tandem repeat sequence comprising 187-bp repeat units, which we named OwlRep. Subsequent hybridization analyses revealed that OwlRep resides in the pericentric regions of a small number of metacentric chromosomes, in addition to the short arms of acrocentric chromosomes. Further, in the pericentric regions of the acrocentric chromosomes, OwlRep was observed on the short-arm side only. This distribution pattern of OwlRep among chromosomes can be simply and sufficiently explained by assuming (i) OwlRep was transferred from chromosome to chromosome by the interaction of pericentric heterochromatin, and (ii) it was amplified there as subtelomeric heterochromatin. OwlRep carries several direct and inverted repeats within its repeat units. This complex structure may lead to a higher frequency of chromosome scission and may thus be a factor in the unique distribution pattern among chromosomes. Neither OwlRep nor similar sequences were found in the genomes of the other New World monkey species we examined, suggesting that OwlRep underwent rapid amplification after the divergence of the owl monkey lineage from lineages of the other species.
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Joffe B, Peichl L, Hendrickson A, Leonhardt H, Solovei I. Diurnality and Nocturnality in Primates: An Analysis from the Rod Photoreceptor Nuclei Perspective. Evol Biol 2013. [DOI: 10.1007/s11692-013-9240-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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