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SINEs as Credible Signs to Prove Common Ancestry in the Tree of Life: A Brief Review of Pioneering Case Studies in Retroposon Systematics. Genes (Basel) 2022; 13:genes13060989. [PMID: 35741751 PMCID: PMC9223172 DOI: 10.3390/genes13060989] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 05/28/2022] [Accepted: 05/28/2022] [Indexed: 12/31/2022] Open
Abstract
Currently, the insertions of SINEs (and other retrotransposed elements) are regarded as one of the most reliable synapomorphies in molecular systematics. The methodological mainstream of molecular systematics is the calculation of nucleotide (or amino acid) sequence divergences under a suitable substitution model. In contrast, SINE insertion analysis does not require any complex model because SINE insertions are unidirectional and irreversible. This straightforward methodology was named the “SINE method,” which resolved various taxonomic issues that could not be settled by sequence comparison alone. The SINE method has challenged several traditional hypotheses proposed based on the fossil record and anatomy, prompting constructive discussions in the Evo/Devo era. Here, we review our pioneering SINE studies on salmon, cichlids, cetaceans, Afrotherian mammals, and birds. We emphasize the power of the SINE method in detecting incomplete lineage sorting by tracing the genealogy of specific genomic loci with minimal noise. Finally, in the context of the whole-genome era, we discuss how the SINE method can be applied to further our understanding of the tree of life.
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2
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Lang D, Lim BK, Gao Y, Wang X. Adaptive evolutionary expansion of the ribonuclease 6 in Rodentia. Integr Zool 2019; 14:306-317. [PMID: 30688011 DOI: 10.1111/1749-4877.12382] [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] [Indexed: 02/04/2023]
Abstract
Ribonuclease 6 (RNase6 or RNase K6) is a protein that belongs to a superfamily thought to be the sole verte-brate-specific enzyme known for a wide range of physiological functions, including digestion, cytotoxicity, angiogenesis, male reproduction and host defense. In our study, 51 functional genes and 11 pseudogenes were identified from 27 Rodentia species. Intriguingly, in the 3 main lineages of rodents there were multiple RNase6s identified in all species of Ctenohystrica, whereas only a single RNase6 was observed in other Rodentia species examined except for 2 species in the mouse-related clade. The evolutionary scenario of "birth (gene duplication) and death (gene deactivation)" and gene sorting have been demonstrated in Ctenohystrica. In addition, bursts of positive selection, diversification of isoelectric point and positive net charge have been identified in Ctenohystrica, especially at two key sites that are involved in antimicrobial function. Site Trp30 has undergone positive selection and Ile45 has changed into other residues in Group B and Group C of the Ctenohystrica. Our results demonstrated a complex and intriguing evolutionary pattern of rodent RNase6, and indicated that functional modification may have occurred, which establishes an important theoretical foundation for future functional assays in rodent RNase6.
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Affiliation(s)
- Datian Lang
- Agronomy and Life Science Department, Zhaotong University, Zhaotong, China.,State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Science, Kunming, China
| | - Burton K Lim
- Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Canada
| | - Yun Gao
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Science, Kunming, China
| | - Xiaoping Wang
- School of Life Sciences, Yunnan University, Kunming, China.,State Key Laboratory for Conservation and Utilization of Bio-resource in Yunnan, Yunnan University, Kunming, China.,Key Laboratory for Animal Genetic Diversity and Evolution of High Education in Yunnan Province, Yunnan University, Kunming, China
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3
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D’Elía G, Fabre PH, Lessa EP. Rodent systematics in an age of discovery: recent advances and prospects. J Mammal 2019. [DOI: 10.1093/jmammal/gyy179] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Guillermo D’Elía
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile
| | - Pierre-Henri Fabre
- Institut des Sciences de l’Evolution (ISEM, UMR 5554 CNRS-UM2-IRD), Université Montpellier, Montpellier Cedex 5, France
| | - Enrique P Lessa
- Departamento de Ecología y Evolución, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
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4
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Sparwel M, Doronina L, Churakov G, Stegemann A, Brosius J, Robinson TJ, Schmitz J. The Volcano Rabbit in the Phylogenetic Network of Lagomorphs. Genome Biol Evol 2019; 11:11-16. [PMID: 30476046 PMCID: PMC6319600 DOI: 10.1093/gbe/evy257] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2018] [Indexed: 11/13/2022] Open
Abstract
The order Lagomorpha unifies pikas (Ochotonidae) and the hares plus rabbits (Leporidae). Phylogenetic reconstructions of the species within Leporidae based on traditional morphological or molecular sequence data provide support for conflicting hypotheses. The retroposon presence/absence patterns analyzed in this study revealed strong support for the broadly accepted splitting of lagomorphs into ochotonids and leporids with Pronolagus as the first divergence in the leporid tree. Furthermore, the retroposon presence/absence patterns nested the rare volcano rabbit, Romerolagus diazi, within an unresolved network of deeper leporid relationships and provide the first homoplasy-free image of incomplete lineage sorting and/or ancestral hybridization/introgression in rapidly radiated Leporidae. At the same time, the strongest retroposon presence/absence signal supports the volcano rabbit as a separate branch between the Pronolagus junction and a unified cluster of the remaining leporids.
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Affiliation(s)
| | - Liliya Doronina
- Institute of Experimental Pathology (ZMBE), University of Münster, Germany
| | - Gennady Churakov
- Institute of Experimental Pathology (ZMBE), University of Münster, Germany
| | - Anja Stegemann
- Institute of Experimental Pathology (ZMBE), University of Münster, Germany
| | - Jürgen Brosius
- Institute of Experimental Pathology (ZMBE), University of Münster, Germany.,Brandenburg Medical School (MHB), Neuruppin, Germany
| | - Terence J Robinson
- Evolutionary Genomics Group, Department of Botany and Zoology, University of Stellenbosch, South Africa
| | - Jürgen Schmitz
- Institute of Experimental Pathology (ZMBE), University of Münster, Germany
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5
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Evidence for convergent evolution of SINE-directed Staufen-mediated mRNA decay. Proc Natl Acad Sci U S A 2018; 115:968-973. [PMID: 29339519 DOI: 10.1073/pnas.1715531115] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Primate-specific Alu short interspersed elements (SINEs) as well as rodent-specific B and ID (B/ID) SINEs can promote Staufen-mediated decay (SMD) when present in mRNA 3'-untranslated regions (3'-UTRs). The transposable nature of SINEs, their presence in long noncoding RNAs, their interactions with Staufen, and their rapid divergence in different evolutionary lineages suggest they could have generated substantial modification of posttranscriptional gene-control networks during mammalian evolution. Some of the variation in SMD regulation produced by SINE insertion might have had a similar regulatory effect in separate mammalian lineages, leading to parallel evolution of the Staufen network by independent expansion of lineage-specific SINEs. To explore this possibility, we searched for orthologous gene pairs, each carrying a species-specific 3'-UTR SINE and each regulated by SMD, by measuring changes in mRNA abundance after individual depletion of two SMD factors, Staufen1 (STAU1) and UPF1, in both human and mouse myoblasts. We identified and confirmed orthologous gene pairs with 3'-UTR SINEs that independently function in SMD control of myoblast metabolism. Expanding to other species, we demonstrated that SINE-directed SMD likely emerged in both primate and rodent lineages >20-25 million years ago. Our work reveals a mechanism for the convergent evolution of posttranscriptional gene regulatory networks in mammals by species-specific SINE transposition and SMD.
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Doronina L, Matzke A, Churakov G, Stoll M, Huge A, Schmitz J. The Beaver's Phylogenetic Lineage Illuminated by Retroposon Reads. Sci Rep 2017; 7:43562. [PMID: 28256552 PMCID: PMC5335264 DOI: 10.1038/srep43562] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 01/25/2017] [Indexed: 11/18/2022] Open
Abstract
Solving problematic phylogenetic relationships often requires high quality genome data. However, for many organisms such data are still not available. Among rodents, the phylogenetic position of the beaver has always attracted special interest. The arrangement of the beaver's masseter (jaw-closer) muscle once suggested a strong affinity to some sciurid rodents (e.g., squirrels), placing them in the Sciuromorpha suborder. Modern molecular data, however, suggested a closer relationship of beaver to the representatives of the mouse-related clade, but significant data from virtually homoplasy-free markers (for example retroposon insertions) for the exact position of the beaver have not been available. We derived a gross genome assembly from deposited genomic Illumina paired-end reads and extracted thousands of potential phylogenetically informative retroposon markers using the new bioinformatics coordinate extractor fastCOEX, enabling us to evaluate different hypotheses for the phylogenetic position of the beaver. Comparative results provided significant support for a clear relationship between beavers (Castoridae) and kangaroo rat-related species (Geomyoidea) (p < 0.0015, six markers, no conflicting data) within a significantly supported mouse-related clade (including Myodonta, Anomaluromorpha, and Castorimorpha) (p < 0.0015, six markers, no conflicting data).
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Affiliation(s)
- Liliya Doronina
- Institute of Experimental Pathology (ZMBE), University of Münster, Münster, Germany
| | - Andreas Matzke
- Institute of Experimental Pathology (ZMBE), University of Münster, Münster, Germany
| | - Gennady Churakov
- Institute of Experimental Pathology (ZMBE), University of Münster, Münster, Germany
- Institute for Evolution and Biodiversity, University of Münster, Münster, Germany
| | - Monika Stoll
- Core Facility Genomics, Medical Faculty, University of Münster, Münster, Germany
| | - Andreas Huge
- Core Facility Genomics, Medical Faculty, University of Münster, Münster, Germany
| | - Jürgen Schmitz
- Institute of Experimental Pathology (ZMBE), University of Münster, Münster, Germany
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7
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Walters-Conte KB, Johnson DLE, Johnson WE, O’Brien SJ, Pecon-Slattery J. The dynamic proliferation of CanSINEs mirrors the complex evolution of Feliforms. BMC Evol Biol 2014; 14:137. [PMID: 24947429 PMCID: PMC4084570 DOI: 10.1186/1471-2148-14-137] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2014] [Accepted: 06/11/2014] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Repetitive short interspersed elements (SINEs) are retrotransposons ubiquitous in mammalian genomes and are highly informative markers to identify species and phylogenetic associations. Of these, SINEs unique to the order Carnivora (CanSINEs) yield novel insights on genome evolution in domestic dogs and cats, but less is known about their role in related carnivores. In particular, genome-wide assessment of CanSINE evolution has yet to be completed across the Feliformia (cat-like) suborder of Carnivora. Within Feliformia, the cat family Felidae is composed of 37 species and numerous subspecies organized into eight monophyletic lineages that likely arose 10 million years ago. Using the Felidae family as a reference phylogeny, along with representative taxa from other families of Feliformia, the origin, proliferation and evolution of CanSINEs within the suborder were assessed. RESULTS We identified 93 novel intergenic CanSINE loci in Feliformia. Sequence analyses separated Feliform CanSINEs into two subfamilies, each characterized by distinct RNA polymerase binding motifs and phylogenetic associations. Subfamily I CanSINEs arose early within Feliformia but are no longer under active proliferation. Subfamily II loci are more recent, exclusive to Felidae and show evidence for adaptation to extant RNA polymerase activity. Further, presence/absence distributions of CanSINE loci are largely congruent with taxonomic expectations within Feliformia and the less resolved nodes in the Felidae reference phylogeny present equally ambiguous CanSINE data. SINEs are thought to be nearly impervious to excision from the genome. However, we observed a nearly complete excision of a CanSINEs locus in puma (Puma concolor). In addition, we found that CanSINE proliferation in Felidae frequently targeted existing CanSINE loci for insertion sites, resulting in tandem arrays. CONCLUSIONS We demonstrate the existence of at least two SINE families within the Feliformia suborder, one of which is actively involved in insertional mutagenesis. We find SINEs are powerful markers of speciation and conclude that the few inconsistencies with expected patterns of speciation likely represent incomplete lineage sorting, species hybridization and SINE-mediated genome rearrangement.
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Affiliation(s)
- Kathryn B Walters-Conte
- Department of Biology, American University, 101 Hurst Hall 4440 Massachusetts Ave, Washington, DC 20016, USA
| | - Diana LE Johnson
- Department of Biological Sciences, The George Washington University, 2036 G St, Washington, DC 20009, USA
| | - Warren E Johnson
- Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA 22630, USA
| | - Stephen J O’Brien
- Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, 41 A, Sredniy Avenue St., Petersburg 199034, Russia
| | - Jill Pecon-Slattery
- Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA 22630, USA
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8
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Bertrand OC, Flynn JJ, Croft DA, Wyss AR. Two New Taxa (Caviomorpha, Rodentia) from the Early Oligocene Tinguiririca Fauna (Chile). AMERICAN MUSEUM NOVITATES 2012. [DOI: 10.1206/3750.2] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Bire S, Rouleux-Bonnin F. Transposable elements as tools for reshaping the genome: it is a huge world after all! Methods Mol Biol 2012; 859:1-28. [PMID: 22367863 DOI: 10.1007/978-1-61779-603-6_1] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Transposable elements (TEs) are discrete pieces of DNA that can move from one site to another within genomes and sometime between genomes. They are found in all major branches of life. Because of their wide distribution and considerable diversity, they are a considerable source of genomic variation and as such, they constitute powerful drivers of genome evolution. Moreover, it is becoming clear that the epigenetic regulation of certain genes is derived from defense mechanisms against the activity of ancestral transposable elements. TEs now tend to be viewed as natural molecular tools that can reshape the genome, which challenges the idea that TEs are natural tools used to answer biological questions. In the first part of this chapter, we review the classification and distribution of TEs, and look at how they have contributed to the structural and transcriptional reshaping of genomes. In the second part, we describe methodological innovations that have modified their contribution as molecular tools.
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Affiliation(s)
- Solenne Bire
- GICC, UMR CNRS 6239, Université François Rabelais, UFR des Sciences et Technques, Tours, France
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10
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Bergey CM. AluHunter: a database of potentially polymorphic Alu insertions for use in primate phylogeny and population genetics. Bioinformatics 2011; 27:2924-5. [DOI: 10.1093/bioinformatics/btr491] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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11
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Horn S, Durka W, Wolf R, Ermala A, Stubbe A, Stubbe M, Hofreiter M. Mitochondrial genomes reveal slow rates of molecular evolution and the timing of speciation in beavers (Castor), one of the largest rodent species. PLoS One 2011; 6:e14622. [PMID: 21307956 PMCID: PMC3030560 DOI: 10.1371/journal.pone.0014622] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Accepted: 11/10/2010] [Indexed: 11/30/2022] Open
Abstract
Background Beavers are one of the largest and ecologically most distinct rodent species. Little is known about their evolution and even their closest phylogenetic relatives have not yet been identified with certainty. Similarly, little is known about the timing of divergence events within the genus Castor. Methodology/Principal Findings We sequenced complete mitochondrial genomes from both extant beaver species and used these sequences to place beavers in the phylogenetic tree of rodents and date their divergence from other rodents as well as the divergence events within the genus Castor. Our analyses support the phylogenetic position of beavers as a sister lineage to the scaly tailed squirrel Anomalurus within the mouse related clade. Molecular dating places the divergence time of the lineages leading to beavers and Anomalurus as early as around 54 million years ago (mya). The living beaver species, Castor canadensis from North America and Castor fiber from Eurasia, although similar in appearance, appear to have diverged from a common ancestor more than seven mya. This result is consistent with the hypothesis that a migration of Castor from Eurasia to North America as early as 7.5 mya could have initiated their speciation. We date the common ancestor of the extant Eurasian beaver relict populations to around 210,000 years ago, much earlier than previously thought. Finally, the substitution rate of Castor mitochondrial DNA is considerably lower than that of other rodents. We found evidence that this is correlated with the longer life span of beavers compared to other rodents. Conclusions/Significance A phylogenetic analysis of mitochondrial genome sequences suggests a sister-group relationship between Castor and Anomalurus, and allows molecular dating of species divergence in congruence with paleontological data. The implementation of a relaxed molecular clock enabled us to estimate mitochondrial substitution rates and to evaluate the effect of life history traits on it.
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Affiliation(s)
- Susanne Horn
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
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12
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Tracking marsupial evolution using archaic genomic retroposon insertions. PLoS Biol 2010; 8:e1000436. [PMID: 20668664 PMCID: PMC2910653 DOI: 10.1371/journal.pbio.1000436] [Citation(s) in RCA: 123] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Accepted: 06/15/2010] [Indexed: 01/05/2023] Open
Abstract
Genome-wide comparisons of shared retroposon insertion patterns resolve the phylogeny of marsupials, clearly distinguishing South American and Australian species and lending support to Didelphimorphia as the basal split. The Australasian and South American marsupial mammals, such as kangaroos and opossums, are the closest living relatives to placental mammals, having shared a common ancestor around 130 million years ago. The evolutionary relationships among the seven marsupial orders have, however, so far eluded resolution. In particular, the relationships between the four Australasian and three South American marsupial orders have been intensively debated since the South American order Microbiotheria was taxonomically moved into the group Australidelphia. Australidelphia is significantly supported by both molecular and morphological data and comprises the four Australasian marsupial orders and the South American order Microbiotheria, indicating a complex, ancient, biogeographic history of marsupials. However, the exact phylogenetic position of Microbiotheria within Australidelphia has yet to be resolved using either sequence or morphological data analysis. Here, we provide evidence from newly established and virtually homoplasy-free retroposon insertion markers for the basal relationships among marsupial orders. Fifty-three phylogenetically informative markers were retrieved after in silico and experimental screening of ∼217,000 retroposon-containing loci from opossum and kangaroo. The four Australasian orders share a single origin with Microbiotheria as their closest sister group, supporting a clear divergence between South American and Australasian marsupials. In addition, the new data place the South American opossums (Didelphimorphia) as the first branch of the marsupial tree. The exhaustive computational and experimental evidence provides important insight into the evolution of retroposable elements in the marsupial genome. Placing the retroposon insertion pattern in a paleobiogeographic context indicates a single marsupial migration from South America to Australia. The now firmly established phylogeny can be used to determine the direction of genomic changes and morphological transitions within marsupials. Ever since the first Europeans reached the Australian shores and were fascinated by the curious marsupials they found, the evolutionary relationships between the living Australian and South American marsupial orders have been intensively investigated. However, neither the morphological nor the more recent molecular methods produced an evolutionary consensus. Most problematic of the seven marsupial groups is the South American species Dromiciops gliroides, the only survivor of the order Microbiotheria. Several studies suggest that Dromiciops, although living in South America, is more closely related to Australian than to South American marsupials. This relationship would have required a complex migration scenario whereby several groups of ancestral South American marsupials migrated across Antarctica to Australia. We screened the genomes of the South American opossum and the Australian tammar wallaby for retroposons, unambiguous phylogenetic markers that occupy more than half of the marsupial genome. From analyses of nearly 217,000 retroposon-containing loci, we identified 53 retroposons that resolve most branches of the marsupial evolutionary tree. Dromiciops is clearly only distantly related to Australian marsupials, supporting a single Gondwanan migration of marsupials from South America to Australia. The new phylogeny offers a novel perspective in understanding the morphological and molecular transitions between the South American and Australian marsupials.
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Kriegs JO, Zemann A, Churakov G, Matzke A, Ohme M, Zischler H, Brosius J, Kryger U, Schmitz J. Retroposon insertions provide insights into deep lagomorph evolution. Mol Biol Evol 2010; 27:2678-81. [PMID: 20584773 DOI: 10.1093/molbev/msq162] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The homogenous mammalian order Lagomorpha comprises about 80 species in two families, Ochotonidae (pikas) and Leporidae (rabbits and hares). However, the phylogenetic relationships among leporids are controversial. Molecular data, particularly from mitochondrial sequences, give highly homoplasious signals. To resolve the controversy between mitochondrial and nuclear data, we analyzed genomic orthologous retroposon insertion sites, a virtually homoplasy-free marker system. From a differential screen of rabbit genomic data for intronic retroposon insertions of CSINE elements, we polymerase chain reaction-amplified and sequenced 11 retroposons in eight representative lagomorphs. We found three retroposons shared among all lagomorphs but absent in outgroups, four confirmed the monophyly of leporids, and three significantly supported Pronolagus as the sister group to all other leporids. One retroposon supported the monophyly of Lepus. The position of Pronolagus outside of the remaining leporids supports the sequence-based signals of nuclear genes and clearly refutes the misleading signals of mitochondrial genes.
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A multi-gene estimate of phylogeny in the nightjars and nighthawks (Caprimulgidae). Mol Phylogenet Evol 2010; 55:443-53. [PMID: 20123032 DOI: 10.1016/j.ympev.2010.01.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2009] [Revised: 01/16/2010] [Accepted: 01/20/2010] [Indexed: 11/23/2022]
Abstract
Caprimulgidae is a cosmopolitan family of nocturnal and crepuscular insectivorous birds comprising the nightjars, nighthawks, and relatives. Sexual selection and convergence or parallelism in plumage and behavior have made it difficult to discern evolutionary relationships in this group. In order to provide a framework for comparative studies of this family, a molecular phylogeny was reconstructed using mitochondrial cytochrome b, and nuclear c-myc and growth hormone DNA sequences. Likelihood, parsimony and Bayesian analyses agree in placing Eurostopodus species and Caprimulgus enarratus, a Malagasy endemic, as the earliest branches of the tree. The remaining taxa are divided among four well-supported clades, three in the New World and one in the Old World. Insertion/deletion events, common in non-coding sequences, provide additional support in resolving the phylogeny. Neither of the traditional subfamilies, Caprimulginae (nightjars) and Chordeilinae (nighthawks), is monophyletic, suggesting that the morphological specializations characterizing "nighthawks" evolved multiple times and the "nightjar" body plan is an old and conservative one. The large genus Caprimulgus is polyphyletic with respect to many other genera in the family, which are often defined by derived plumage traits that likely reflect sexual selection or ecological specialization. A taxonomic revision of the family is proposed based on the combined tree, including naming a new genus for C. enarratus.
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15
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Churakov G, Sadasivuni MK, Rosenbloom KR, Huchon D, Brosius J, Schmitz J. Rodent Evolution: Back to the Root. Mol Biol Evol 2010; 27:1315-26. [DOI: 10.1093/molbev/msq019] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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16
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Schröder C, Bleidorn C, Hartmann S, Tiedemann R. Occurrence of Can-SINEs and intron sequence evolution supports robust phylogeny of pinniped carnivores and their terrestrial relatives. Gene 2009; 448:221-6. [PMID: 19563867 DOI: 10.1016/j.gene.2009.06.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2009] [Revised: 06/18/2009] [Accepted: 06/18/2009] [Indexed: 02/07/2023]
Abstract
Investigating the dog genome we found 178965 introns with a moderate length of 200-1000 bp. A screening of these sequences against 23 different repeat libraries to find insertions of short interspersed elements (SINEs) detected 45276 SINEs. Virtually all of these SINEs (98%) belong to the tRNA-derived Can-SINE family. Can-SINEs arose about 55 million years ago before Carnivora split into two basal groups, the Caniformia (dog-like carnivores) and the Feliformia (cat-like carnivores). Genome comparisons of dog and cat recovered 506 putatively informative SINE loci for caniformian phylogeny. In this study we show how to use such genome information of model organisms to research the phylogeny of related non-model species of interest. Investigating a dataset including representatives of all major caniformian lineages, we analysed 24 randomly chosen loci for 22 taxa. All loci were amplifiable and revealed 17 parsimony-informative SINE insertions. The screening for informative SINE insertions yields a large amount of sequence information, in particular of introns, which contain reliable phylogenetic information as well. A phylogenetic analysis of intron- and SINE sequence data provided a statistically robust phylogeny which is congruent with the absence/presence pattern of our SINE markers. This phylogeny strongly supports a sistergroup relationship of Musteloidea and Pinnipedia. Within Pinnipedia, we see strong support from bootstrapping and the presence of a SINE insertion for a sistergroup relationship of the walrus with the Otariidae.
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Affiliation(s)
- Christiane Schröder
- Unit of Evolutionary Biology/Systematic Zoology, Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Strasse 24-25, Haus 26, 14476 Potsdam, Germany.
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17
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Blanga-Kanfi S, Miranda H, Penn O, Pupko T, DeBry RW, Huchon D. Rodent phylogeny revised: analysis of six nuclear genes from all major rodent clades. BMC Evol Biol 2009; 9:71. [PMID: 19341461 PMCID: PMC2674048 DOI: 10.1186/1471-2148-9-71] [Citation(s) in RCA: 185] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2008] [Accepted: 04/02/2009] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Rodentia is the most diverse order of placental mammals, with extant rodent species representing about half of all placental diversity. In spite of many morphological and molecular studies, the family-level relationships among rodents and the location of the rodent root are still debated. Although various datasets have already been analyzed to solve rodent phylogeny at the family level, these are difficult to combine because they involve different taxa and genes. RESULTS We present here the largest protein-coding dataset used to study rodent relationships. It comprises six nuclear genes, 41 rodent species, and eight outgroups. Our phylogenetic reconstructions strongly support the division of Rodentia into three clades: (1) a "squirrel-related clade", (2) a "mouse-related clade", and (3) Ctenohystrica. Almost all evolutionary relationships within these clades are also highly supported. The primary remaining uncertainty is the position of the root. The application of various models and techniques aimed to remove non-phylogenetic signal was unable to solve the basal rodent trifurcation. CONCLUSION Sequencing and analyzing a large sequence dataset enabled us to resolve most of the evolutionary relationships among Rodentia. Our findings suggest that the uncertainty regarding the position of the rodent root reflects the rapid rodent radiation that occurred in the Paleocene rather than the presence of conflicting phylogenetic and non-phylogenetic signals in the dataset.
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Affiliation(s)
- Shani Blanga-Kanfi
- Department of Zoology, George S, Wise Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel.
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Montgelard C, Forty E, Arnal V, Matthee CA. Suprafamilial relationships among Rodentia and the phylogenetic effect of removing fast-evolving nucleotides in mitochondrial, exon and intron fragments. BMC Evol Biol 2008; 8:321. [PMID: 19036132 PMCID: PMC2613922 DOI: 10.1186/1471-2148-8-321] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2008] [Accepted: 11/26/2008] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND The number of rodent clades identified above the family level is contentious, and to date, no consensus has been reached on the basal evolutionary relationships among all rodent families. Rodent suprafamilial phylogenetic relationships are investigated in the present study using approximately 7600 nucleotide characters derived from two mitochondrial genes (Cytochrome b and 12S rRNA), two nuclear exons (IRBP and vWF) and four nuclear introns (MGF, PRKC, SPTBN, THY). Because increasing the number of nucleotides does not necessarily increase phylogenetic signal (especially if the data is saturated), we assess the potential impact of saturation for each dataset by removing the fastest-evolving positions that have been recognized as sources of inconsistencies in phylogenetics. RESULTS Taxonomic sampling included multiple representatives of all five rodent suborders described. Fast-evolving positions for each dataset were identified individually using a discrete gamma rate category and sites belonging to the most rapidly evolving eighth gamma category were removed. Phylogenetic tree reconstructions were performed on individual and combined datasets using Parsimony, Bayesian, and partitioned Maximum Likelihood criteria. Removal of fast-evolving positions enhanced the phylogenetic signal to noise ratio but the improvement in resolution was not consistent across different data types. The results suggested that elimination of fastest sites only improved the support for nodes moderately affected by homoplasy (the deepest nodes for introns and more recent nodes for exons and mitochondrial genes). CONCLUSION The present study based on eight DNA fragments supports a fully resolved higher level rodent phylogeny with moderate to significant nodal support. Two inter-suprafamilial associations emerged. The first comprised a monophyletic assemblage containing the Anomaluromorpha (Anomaluridae + Pedetidae) + Myomorpha (Muridae + Dipodidae) as sister clade to the Castorimorpha (Castoridae + Geomyoidea). The second suprafamilial clustering identified a novel association between the Sciuromorpha (Gliridae + (Sciuridae + Aplodontidae)) and the Hystricomorpha (Ctenodactylidae + Hystricognathi) which together represents the earliest dichotomy among Rodentia. Molecular time estimates using a relaxed Bayesian molecular clock dates the appearance of the five suborders nearly contemporaniously at the KT boundary and this is congruent with suggestions of an early explosion of rodent diversity. Based on these newly proposed phylogenetic relationships, the evolution of the zygomasseteric pattern that has been used for a long time in rodent systematics is evaluated.
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Affiliation(s)
- Claudine Montgelard
- Institut des Sciences de l'Evolution de Montpellier (UMR 5554), Université de Montpellier II, Place Eugène Bataillon, 34095 Montpellier cedex, France
- Current address : Biogéographie et Ecologie des Vertébrés (EPHE), Centre d'Ecologie Fonctionnelle et Evolutive (UMR 5175), 1919 Route de Mende, 34293 Montpellier cedex 5, France
| | - Ellen Forty
- Institut des Sciences de l'Evolution de Montpellier (UMR 5554), Université de Montpellier II, Place Eugène Bataillon, 34095 Montpellier cedex, France
| | - Véronique Arnal
- Institut des Sciences de l'Evolution de Montpellier (UMR 5554), Université de Montpellier II, Place Eugène Bataillon, 34095 Montpellier cedex, France
- Current address : Biogéographie et Ecologie des Vertébrés (EPHE), Centre d'Ecologie Fonctionnelle et Evolutive (UMR 5175), 1919 Route de Mende, 34293 Montpellier cedex 5, France
| | - Conrad A Matthee
- Evolutionary Genomics Group, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland, Stellenbosch 7602, South Africa
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Kriegs JO, Matzke A, Churakov G, Kuritzin A, Mayr G, Brosius J, Schmitz J. Waves of genomic hitchhikers shed light on the evolution of gamebirds (Aves: Galliformes). BMC Evol Biol 2007; 7:190. [PMID: 17925025 PMCID: PMC2169234 DOI: 10.1186/1471-2148-7-190] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2007] [Accepted: 10/09/2007] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The phylogenetic tree of Galliformes (gamebirds, including megapodes, currassows, guinea fowl, New and Old World quails, chicken, pheasants, grouse, and turkeys) has been considerably remodeled over the last decades as new data and analytical methods became available. Analyzing presence/absence patterns of retroposed elements avoids the problems of homoplastic characters inherent in other methodologies. In gamebirds, chicken repeats 1 (CR1) are the most prevalent retroposed elements, but little is known about the activity of their various subtypes over time. Ascertaining the fixation patterns of CR1 elements would help unravel the phylogeny of gamebirds and other poorly resolved avian clades. RESULTS We analyzed 1,978 nested CR1 elements and developed a multidimensional approach taking advantage of their transposition in transposition character (TinT) to characterize the fixation patterns of all 22 known chicken CR1 subtypes. The presence/absence patterns of those elements that were active at different periods of gamebird evolution provided evidence for a clade (Cracidae + (Numididae + (Odontophoridae + Phasianidae))) not including Megapodiidae; and for Rollulus as the sister taxon of the other analyzed Phasianidae. Genomic trace sequences of the turkey genome further demonstrated that the endangered African Congo Peafowl (Afropavo congensis) is the sister taxon of the Asian Peafowl (Pavo), rejecting other predominantly morphology-based groupings, and that phasianids are monophyletic, including the sister taxa Tetraoninae and Meleagridinae. CONCLUSION The TinT information concerning relative fixation times of CR1 subtypes enabled us to efficiently investigate gamebird phylogeny and to reconstruct an unambiguous tree topology. This method should provide a useful tool for investigations in other taxonomic groups as well.
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Affiliation(s)
- Jan Ole Kriegs
- Institute of Experimental Pathology (ZMBE) University of Münster, Von-Esmarch-Str. 56, D-48149 Münster, Germany
| | - Andreas Matzke
- Institute of Experimental Pathology (ZMBE) University of Münster, Von-Esmarch-Str. 56, D-48149 Münster, Germany
| | - Gennady Churakov
- Institute of Experimental Pathology (ZMBE) University of Münster, Von-Esmarch-Str. 56, D-48149 Münster, Germany
| | - Andrej Kuritzin
- Department of Physics and Mathematics, Saint Petersburg State Institute of Technology, 26 Moskovsky av., St.-Petersburg 198013, Russia
| | - Gerald Mayr
- Forschungsinstitut Senckenberg, Division of Ornithology, Senckenberganlage 25, D-60325 Frankfurt am Main, Germany
| | - Jürgen Brosius
- Institute of Experimental Pathology (ZMBE) University of Münster, Von-Esmarch-Str. 56, D-48149 Münster, Germany
| | - Jürgen Schmitz
- Institute of Experimental Pathology (ZMBE) University of Münster, Von-Esmarch-Str. 56, D-48149 Münster, Germany
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Stolle K, Schnoor M, Fuellen G, Spitzer M, Cullen P, Lorkowski S. Cloning, genomic organization, and tissue-specific expression of the RASL11B gene. ACTA ACUST UNITED AC 2007; 1769:514-24. [PMID: 17628721 DOI: 10.1016/j.bbaexp.2007.05.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2007] [Revised: 05/25/2007] [Accepted: 05/29/2007] [Indexed: 01/22/2023]
Abstract
RASL11B is a member of the small GTPase protein family with a high degree of similarity to RAS proteins. Cloning of RASL11B mRNA and in silico analyses revealed that the human RASL11B gene spans about 4.5 kb and comprises four exons on chromosomal locus 4q12. The proximal 5'-flanking region of the gene lacks a TATA box but is GC-rich and contains a CCAAT box and several Sp1 sites. Consistent with this, the RASL11B gene was found to be expressed in all tissues investigated, with highest levels in placenta and in primary macrophages. The predicted RASL11B protein has no typical prenylation signal, indicating that it is probably not anchored to cellular membranes. RASL11B was induced during maturation of THP-1 monocytic cells into macrophage-like cells and in coronary artery smooth muscle cells after treatment with TGF-beta1. These results indicate that RASL11B may play a role in TGF-beta1-mediated developmental processes and in pathophysiologies such as inflammation, cancer, and arteriosclerosis.
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Affiliation(s)
- Katrin Stolle
- Leibniz Institute of Arteriosclerosis Research, University of Münster, Germany
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Huchon D, Chevret P, Jordan U, Kilpatrick CW, Ranwez V, Jenkins PD, Brosius J, Schmitz J. Multiple molecular evidences for a living mammalian fossil. Proc Natl Acad Sci U S A 2007; 104:7495-9. [PMID: 17452635 PMCID: PMC1863447 DOI: 10.1073/pnas.0701289104] [Citation(s) in RCA: 98] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2007] [Indexed: 11/18/2022] Open
Abstract
Laonastes aenigmamus is an enigmatic rodent first described in 2005. Molecular and morphological data suggested that it is the sole representative of a new mammalian family, the Laonastidae, and a member of the Hystricognathi. However, the validity of this family is controversial because fossil-based phylogenetic analyses suggest that Laonastes is a surviving member of the Diatomyidae, a family considered to have been extinct for 11 million years. According to these data, Laonastes and Diatomyidae are the sister clade of extant Ctenodactylidae (i.e., gundies) and do not belong to the Hystricognathi. To solve the phylogenetic position of Laonastes, we conducted a large-scale molecular phylogeny of rodents. The analysis includes representatives of all major rodent taxonomic groups and was based on 5.5 kb of sequence data from four nuclear and two mitochondrial genes. To further validate the obtained results, a short interspersed element insertion analysis including 11 informative loci was also performed. Our molecular data based on sequence and short interspersed element analyses unambiguously placed Laonastes as a sister clade of gundies. All alternative hypotheses were significantly rejected based on Shimodaira-Hasegawa tests, supporting the idea that Laonastes does not belong to the Hystricognathi. Molecular dating analysis also supports an ancient divergence, approximately 44 Mya ago, between Ctenodactylidae and Laonastes. These combined analyses support the hypothesis that Laonastes is indeed a living fossil. Protection of this surviving species would conserve an ancient mammalian family.
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Affiliation(s)
- Dorothée Huchon
- Department of Zoology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Pascale Chevret
- Department of Paleontology, Phylogeny, and Paleobiology, Institut des Sciences de l'Evolution, cc064, Université Montpellier II, Place E. Bataillon, 34095 Montpellier Cedex 5, France
| | - Ursula Jordan
- Institute of Experimental Pathology, University of Münster, D-48149 Münster, Germany
| | | | - Vincent Ranwez
- Department of Paleontology, Phylogeny, and Paleobiology, Institut des Sciences de l'Evolution, cc064, Université Montpellier II, Place E. Bataillon, 34095 Montpellier Cedex 5, France
| | - Paulina D. Jenkins
- Department of Zoology, The Natural History Museum, London SW7 5BD, United Kingdom
| | - Jürgen Brosius
- Institute of Experimental Pathology, University of Münster, D-48149 Münster, Germany
| | - Jürgen Schmitz
- Institute of Experimental Pathology, University of Münster, D-48149 Münster, Germany
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Veniaminova NA, Vassetzky NS, Kramerov DA. B1 SINEs in different rodent families. Genomics 2007; 89:678-86. [PMID: 17433864 DOI: 10.1016/j.ygeno.2007.02.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2006] [Revised: 02/28/2007] [Accepted: 02/28/2007] [Indexed: 11/18/2022]
Abstract
B1 SINEs were studied in 22 families covering all major rodent lineages. The number of B1 copies considerably varies, from 1 x 10(4) in Geomyidae to 1 x 10(6) in Myodonta. B1 sequences can be divided into three main structural variants: B1 with a 20-bp tandem duplication (found in Gliridae, Sciuridae, and Aplodontidae), B1 with a 29-bp duplication (found in other families), and proto-B1 without duplication (pB1). These variants can be further subdivided according to their characters, including specific 7-, 9-, or 10-bp deletions. Different B1 subfamilies predominate in different rodent families. The analysis of B1 variants allowed us to propose possible pathways for the evolution of this SINE in the context of rodent evolution.
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Affiliation(s)
- Natalia A Veniaminova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 32 Vavilov Street, Moscow 119991, Russia
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Kriegs JO, Churakov G, Kiefmann M, Jordan U, Brosius J, Schmitz J. Retroposed elements as archives for the evolutionary history of placental mammals. PLoS Biol 2006; 4:e91. [PMID: 16515367 PMCID: PMC1395351 DOI: 10.1371/journal.pbio.0040091] [Citation(s) in RCA: 220] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2005] [Accepted: 01/23/2006] [Indexed: 11/30/2022] Open
Abstract
Reconstruction of the placental mammalian (eutherian) evolutionary tree has undergone diverse revisions, and numerous aspects remain hotly debated. Initial hierarchical divisions based on morphology contained many misgroupings due to features that evolved independently by similar selection processes. Molecular analyses corrected many of these misgroupings and the superordinal hierarchy of placental mammals was recently assembled into four clades. However, long or rapid evolutionary periods, as well as directional mutation pressure, can produce molecular homoplasies, similar characteristics lacking common ancestors. Retroposed elements, by contrast, integrate randomly into genomes with negligible probabilities of the same element integrating independently into orthologous positions in different species. Thus, presence/absence analyses of these elements are a superior strategy for molecular systematics. By computationally scanning more than 160,000 chromosomal loci and judiciously selecting from only phylogenetically informative retroposons for experimental high-throughput PCR applications, we recovered 28 clear, independent monophyly markers that conclusively verify the earliest divergences in placental mammalian evolution. Using tests that take into account ancestral polymorphisms, multiple long interspersed elements and long terminal repeat element insertions provide highly significant evidence for the monophyletic clades Boreotheria (synonymous with Boreoeutheria), Supraprimates (synonymous with Euarchontoglires), and Laurasiatheria. More importantly, two retropositions provide new support for a prior scenario of early mammalian evolution that places the basal placental divergence between Xenarthra and Epitheria, the latter comprising all remaining placentals. Due to its virtually homoplasy-free nature, the analysis of retroposon presence/absence patterns avoids the pitfalls of other molecular methodologies and provides a rapid, unequivocal means for revealing the evolutionary history of organisms. The authors identified and sequenced retroposons in mammalian genomes. The presence and absence of these retroposons provided evolutionary markers from which the authors reconstructed the phylogenetic history of placental mammals.
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Affiliation(s)
- Jan Ole Kriegs
- 1Institute of Experimental Pathology, Center for Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Gennady Churakov
- 1Institute of Experimental Pathology, Center for Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Martin Kiefmann
- 1Institute of Experimental Pathology, Center for Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Ursula Jordan
- 1Institute of Experimental Pathology, Center for Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Jürgen Brosius
- 1Institute of Experimental Pathology, Center for Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Jürgen Schmitz
- 1Institute of Experimental Pathology, Center for Molecular Biology of Inflammation, University of Münster, Münster, Germany
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