{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T03:06:03Z","timestamp":1740107163454,"version":"3.37.3"},"reference-count":52,"publisher":"Springer Science and Business Media LLC","issue":"9-10","license":[{"start":{"date-parts":[[2019,9,5]],"date-time":"2019-09-05T00:00:00Z","timestamp":1567641600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2019,9,5]],"date-time":"2019-09-05T00:00:00Z","timestamp":1567641600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Mol Evol"],"published-print":{"date-parts":[[2019,12]]},"DOI":"10.1007\/s00239-019-09909-0","type":"journal-article","created":{"date-parts":[[2019,9,6]],"date-time":"2019-09-06T17:09:02Z","timestamp":1567789742000},"page":"298-308","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Characterization and Evolution of Germ1, an Element that Undergoes Diminution in Lampreys (Cyclostomata: Petromyzontidae)"],"prefix":"10.1007","volume":"87","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9040-0600","authenticated-orcid":false,"given":"Rex Meade","family":"Strange","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0594-7960","authenticated-orcid":false,"given":"Landon L.","family":"Moore","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2019,9,5]]},"reference":[{"key":"9909_CR1","doi-asserted-by":"crossref","first-page":"716","DOI":"10.1109\/TAC.1974.1100705","volume":"19","author":"H Akaike","year":"1974","unstructured":"Akaike H (1974) A new look at the statistical model identification. IEEE Trans Autom Control 19:716\u2013723","journal-title":"IEEE Trans Autom Control"},{"key":"9909_CR2","doi-asserted-by":"crossref","first-page":"1620","DOI":"10.1016\/j.cub.2018.03.067","volume":"28","author":"MK Biederman","year":"2018","unstructured":"Biederman MK, Nelson MM, Asalone KC, Pederson AL, Saldanha CJ, Bracht JR (2018) Discovery of the first germline-restricted gene by subtractive transcriptomic analysis in the zebra finch, Taeniopygia guttata. Curr Biol 28:1620\u20131627","journal-title":"Curr Biol"},{"key":"9909_CR3","doi-asserted-by":"crossref","first-page":"2337","DOI":"10.1093\/molbev\/msw104","volume":"33","author":"SA Bryant","year":"2016","unstructured":"Bryant SA, Herdy JR, Amemiya CT, Smith JJ (2016) Characterization of somatically-eliminated gene during development of the sea lamprey (Petromyzon marinus). Mol Biol Evol 33:2337\u20132344","journal-title":"Mol Biol Evol"},{"key":"9909_CR4","doi-asserted-by":"crossref","first-page":"502","DOI":"10.1093\/oxfordjournals.molbev.a026132","volume":"16","author":"WD Burke","year":"1999","unstructured":"Burke WD, Malik HS, Jones JP, Eickbush TH (1999) The domain structure and retrotransposition mechanism of R2 elements are conserved throughout arthropods. Mol Biol Evol 16:502\u2013511","journal-title":"Mol Biol Evol"},{"key":"9909_CR5","doi-asserted-by":"crossref","first-page":"481","DOI":"10.1007\/s10577-011-9197-4","volume":"19","author":"V Caputo","year":"2011","unstructured":"Caputo V, Giovannotti M, Cerioni PN, Splendiani A, Tagliavini J, Olmo E (2011) Chromosomal study of a lamprey (Lampetra zanandreai Vladykov 1955) (Petromyzontida: Petromyzontiformes): conventional and FISH analysis. Chromosome Res 19:481\u2013491","journal-title":"Chromosome Res"},{"key":"9909_CR6","doi-asserted-by":"crossref","first-page":"1657","DOI":"10.1046\/j.1365-294x.2000.01020.x","volume":"9","author":"M Clement","year":"2000","unstructured":"Clement M, Posada D, Crandall KA (2000) TCS: a computer program to estimate gene genealogies. Mol Ecol 9:1657\u20131666","journal-title":"Mol Ecol"},{"key":"9909_CR7","doi-asserted-by":"crossref","first-page":"545","DOI":"10.1007\/s10709-014-9802-5","volume":"142","author":"L Covelo-Soto","year":"2014","unstructured":"Covelo-Soto L, Moran P, Passantes JJ, Perez-Garcia C (2014) Cytogenetic evidences of genome rearrangement and differential epigenetic chromatin modification in the sea lamprey (Petromyzon marinus). Genetica 142:545\u2013554","journal-title":"Genetica"},{"key":"9909_CR8","doi-asserted-by":"crossref","first-page":"671","DOI":"10.1093\/genetics\/139.2.671","volume":"139","author":"DG Eickbush","year":"1995","unstructured":"Eickbush DG, Eickbush TH (1995) Vertical transmission of the retrotransposable elements R1 and R2 during the evolution of the Drosophila melanogaster species subgroup. Genetics 139:671\u2013684","journal-title":"Genetics"},{"key":"9909_CR9","doi-asserted-by":"crossref","first-page":"477","DOI":"10.1534\/genetics.107.071399","volume":"175","author":"TH Eickbush","year":"2007","unstructured":"Eickbush TH, Eickbush DG (2007) Finely orchestrated movements: evolution of the ribosomal RNA genes. Genetics 175:477\u2013485","journal-title":"Genetics"},{"issue":"2","key":"9909_CR10","doi-asserted-by":"publisher","first-page":"2014","DOI":"10.1128\/microbiolspec.mdna3-0011-2014","volume":"3","author":"TH Eickbush","year":"2015","unstructured":"Eickbush TH, Eickbush DG (2015) Integration, regulation, and long-term stability of R2 retrotransposons. Microbiol Spectrum 3(2):2014. https:\/\/doi.org\/10.1128\/microbiolspec.mdna3-0011-2014","journal-title":"Microbiol Spectrum"},{"key":"9909_CR11","doi-asserted-by":"crossref","first-page":"783","DOI":"10.1111\/j.1558-5646.1985.tb00420.x","volume":"39","author":"J Felsenstein","year":"1985","unstructured":"Felsenstein J (1985) Confidence limits on phylogenies: an approach using the bootstrap. Evolution 39:783\u2013791","journal-title":"Evolution"},{"key":"9909_CR12","doi-asserted-by":"crossref","first-page":"242","DOI":"10.1002\/1521-1878(200103)23:3<242::AID-BIES1034>3.0.CO;2-P","volume":"23","author":"C Goday","year":"2001","unstructured":"Goday C, Estaban MR (2001) Chromosome elimination in sciarid flies. BioEssays 23:242\u2013250","journal-title":"BioEssays"},{"key":"9909_CR13","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1007\/s004120050278","volume":"107","author":"Y Goto","year":"1998","unstructured":"Goto Y, Kubota S, Kohno S (1998) Highly repetitive DNA sequences that are restricted to the germ line in the hagfish Eptatretus cirrhatus: a mosaic of eliminated elements. Chromosoma 107:17\u201332","journal-title":"Chromosoma"},{"key":"9909_CR14","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1093\/sysbio\/syq010","volume":"59","author":"S Guindon","year":"2010","unstructured":"Guindon S, Dufayard JF, Lefort V, Anisimova M, Hordijk Gascuel O (2010) New algorithms and methods to estimate maximum-likelihood phylogenies: assessing the performance of PhyML 3.0. Syst Biol 59:307\u2013321","journal-title":"Syst Biol"},{"key":"9909_CR15","first-page":"95","volume":"41","author":"TA Hall","year":"1999","unstructured":"Hall TA (1999) BioEdit: a user-friendly biological sequence editor and analysis program for Windows 95\/98\/NT. Nucleic Acids Symp Ser 41:95\u201398","journal-title":"Nucleic Acids Symp Ser"},{"key":"9909_CR16","doi-asserted-by":"crossref","first-page":"411","DOI":"10.1086\/417338","volume":"66","author":"DM Hillis","year":"1991","unstructured":"Hillis DM, Dixon MT (1991) Ribosomal DNA: molecular evolution and phylogenetic inference. Q Rev Biol 66:411\u2013453","journal-title":"Q Rev Biol"},{"key":"9909_CR17","doi-asserted-by":"crossref","first-page":"1582","DOI":"10.1101\/gr.080119.108","volume":"18","author":"AL Hufton","year":"2008","unstructured":"Hufton AL, Groth D, Vingron M, Lehrach H, Poustka AJ, Panopoulou G (2008) Early vertebrate whole genome duplications were predated by a period of intense genome rearrangement. Genome Res 18:1582\u20131591","journal-title":"Genome Res"},{"key":"9909_CR18","first-page":"93","volume":"24","author":"J Ishijima","year":"2017","unstructured":"Ishijima J, Uno Y, Nunome M, Nishida C, Kuraku S, Matsuda Y (2017) Molecular cytogenetic characterization of chromosome site-specific repetitive sequences in the Arctic lamprey (Lethenteron camtschaticum, Petromyzontidae). DNA Res 24:93\u2013101","journal-title":"DNA Res"},{"key":"9909_CR19","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1093\/genetics\/131.1.129","volume":"131","author":"JL Jakubczak","year":"1992","unstructured":"Jakubczak JL, Zenni MK, Woodruff RC, Eickbush TH (1992) Turnover of R1 (Type I) and R2 (Type II) retrotransposable elements in the ribosomal DNA of Drosophila melanogaster. Genetics 131:129\u2013142","journal-title":"Genetics"},{"key":"9909_CR20","doi-asserted-by":"crossref","first-page":"661","DOI":"10.1016\/j.jmb.2011.02.015","volume":"407","author":"VK Jamburuthugoda","year":"2011","unstructured":"Jamburuthugoda VK, Eickbush TH (2011) The reverse transcriptase encoded by the non-LTR retrotransposon R2 is as error prone as that encoded by HIV-1. J Mol Biol 407:661\u2013672","journal-title":"J Mol Biol"},{"key":"9909_CR21","doi-asserted-by":"crossref","first-page":"6196","DOI":"10.1073\/pnas.86.16.6196","volume":"86","author":"TD Kocher","year":"1989","unstructured":"Kocher TD, Thomas W, Meyer A, Edwards SV, Pallablanca FX, Wilson AC (1989) Dynamics of mitochondrial DNA evolution in animals: amplification and sequencing with conserved primers. PNAS USA 86:6196\u20136200","journal-title":"PNAS USA"},{"key":"9909_CR22","doi-asserted-by":"crossref","first-page":"2157","DOI":"10.1093\/molbev\/msi210","volume":"22","author":"KK Kojima","year":"2005","unstructured":"Kojima KK, Fujiwara H (2005) Long-term inheritance of the 28S rDNA specific retrotransposon R2. Mol Biol Evol 22:2157\u20132165","journal-title":"Mol Biol Evol"},{"key":"9909_CR23","doi-asserted-by":"crossref","first-page":"383","DOI":"10.1007\/s10577-010-9122-2","volume":"18","author":"FN Kojima","year":"2010","unstructured":"Kojima FN, Kojima KK, Kobayakawa S, Higaside N, Hamanaka C, Nitta A, Koeda I, Yamaguchi T, Shichiri M, Kohno S, Kubota S (2010) Whole chromosome elimination and chromosome terminus elimination both contribute to somatic differentiation in Taiwanese hagfish Paramyxine sheni. Chromosome Res 18:383\u2013400","journal-title":"Chromosome Res"},{"issue":"9","key":"9909_CR24","doi-asserted-by":"publisher","first-page":"e0163496","DOI":"10.1371\/journal.pone.0163496","volume":"11","author":"KK Kojima","year":"2016","unstructured":"Kojima KK, Seto Y, Fujiwara H (2016) The Wide distribution and change of target specificity of R2 non-LTR retrotransposons in animals. PLoS ONE 11(9):e0163496. https:\/\/doi.org\/10.1371\/journal.pone.0163496","journal-title":"PLoS ONE"},{"key":"9909_CR25","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1023\/A:1013751600787","volume":"111","author":"S Kubota","year":"2001","unstructured":"Kubota S, Takano J, Tsuneishi R, Kobayakawa S, Fujikawa N, Nabeyama M, Kohno S (2001) Highly repetitive DNA families restricted to germ cells in a Japanese hagfish (Eptatretus burger): a hierarchical and mosaic structure in eliminated chromosomes. Genetica 111:319\u2013328","journal-title":"Genetica"},{"key":"9909_CR26","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1093\/molbev\/msn222","volume":"26","author":"S Kuraku","year":"2009","unstructured":"Kuraku S, Meyer A, Kuratani S (2009) Timing of genome duplications relative to the origin of the vertebrates: did cyclostomes diverge before or after? Mol Biol Evol 26:47\u201359","journal-title":"Mol Biol Evol"},{"key":"9909_CR27","first-page":"41","volume":"72","author":"NJ Lang","year":"2009","unstructured":"Lang NJ, Roe KJ, Renaud CB, Gill HS, Potter IC, Freyhof J, Naseka AM, Cochran P, Perez HE, Habit EM, Kahajda BR, Neely DA, Reshetnikov YS, Salnikov VB, Stoumboudi MT, Mayden RL (2009) Novel relationships among lampreys (Petromyzontiformes) revealed by a taxonomically comprehensive molecular data set. Am Fish Soc Symp 72:41\u201355","journal-title":"Am Fish Soc Symp"},{"key":"9909_CR28","doi-asserted-by":"crossref","first-page":"2422","DOI":"10.1093\/molbev\/msx149","volume":"34","author":"V Lefort","year":"2017","unstructured":"Lefort V, Longueville JE, Gascuel O (2017) SMS: smart model selection in PhyML. Mol Biol Evol 34:2422\u20132424","journal-title":"Mol Biol Evol"},{"key":"9909_CR29","first-page":"458","volume":"8","author":"EMS Lyckegaard","year":"1991","unstructured":"Lyckegaard EMS, Clark AG (1991) Evolution of ribosomal RNA gene copy number on the sex chromosomes of Drosophila melanogaster. Mol Biol Evol 8:458\u2013474","journal-title":"Mol Biol Evol"},{"key":"9909_CR30","doi-asserted-by":"crossref","first-page":"16044","DOI":"10.1073\/pnas.1315760110","volume":"110","author":"TK Mehta","year":"2013","unstructured":"Mehta TK, Ravi V, Yamasaki S, Lee AP, Lian MM, Tay BH, Tohari S, Yanai S, Tay A, Brenner S, Venkatesh B (2013) Evidence for at least six Hox clusters in the Japanese lamprey (Lethenteron japonicum). Proc Natl Acad Sci USA 110:16044\u201316049","journal-title":"Proc Natl Acad Sci USA"},{"key":"9909_CR31","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1038\/hdy.2010.86","volume":"106","author":"V Mingazzini","year":"2011","unstructured":"Mingazzini V, Luchetti A, Mantovani B (2011) R2 dynamics in Triops cancriformes (Bosc, 1801) (Crustacea, Branchiopoda, Nostraca): turnover rate and 28S concerted evolution. Heredity 106:567\u2013575","journal-title":"Heredity"},{"key":"9909_CR32","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1016\/S0020-7519(99)00199-X","volume":"30","author":"F Muller","year":"2000","unstructured":"Muller F, Tobler H (2000) Chromatin diminution in the parasitic nematodes Ascaris suum and Parascaris univalens. Int J Parasitol 30:391\u2013399","journal-title":"Int J Parasitol"},{"key":"9909_CR33","doi-asserted-by":"crossref","first-page":"221","DOI":"10.1007\/s00427-008-0208-1","volume":"218","author":"J Osorio","year":"2008","unstructured":"Osorio J, Retaux S (2008) The lamprey in evolutionary studies. Dev Genes Evol 218:221\u2013235","journal-title":"Dev Genes Evol"},{"key":"9909_CR34","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1007\/978-94-017-9306-3_2","volume-title":"Lampreys: biology, conservation and control","author":"IC Potter","year":"2015","unstructured":"Potter IC, Gill HS, Renaud CB, Hanoucher D (2015) The taxonomy, phylogeny, distribution, of lampreys. In: Docker MF (ed) Lampreys: biology, conservation and control. Springer, New York, pp 35\u201373"},{"key":"9909_CR35","doi-asserted-by":"crossref","first-page":"978","DOI":"10.1261\/rna.5216204","volume":"10","author":"AM Ruschak","year":"2004","unstructured":"Ruschak AM, Mathews DH, Bibillo A, Spinelli SL, Childs JL, Eickbush TH, Turner DH (2004) Secondary structure models of the 3'unstranslated regions of diverse R2 RNAs. RNA 10:978\u2013987","journal-title":"RNA"},{"key":"9909_CR36","doi-asserted-by":"crossref","first-page":"777","DOI":"10.1016\/S0960-9822(00)00175-5","volume":"4","author":"C Schlotterer","year":"1994","unstructured":"Schlotterer C, Tautz D (1994) Chromosomal homogeneity of Drosophila ribosomal DNA arrays suggests intrachromosomal exchanges drive concerted evolution. Curr Biol 4:777\u2013783","journal-title":"Curr Biol"},{"key":"9909_CR37","doi-asserted-by":"crossref","first-page":"880","DOI":"10.2307\/1447258","volume":"1993","author":"TR Schmidt","year":"1993","unstructured":"Schmidt TR, Gold JR (1993) Complete sequence of the mitochondrial cytochrome bgene in the Cherryfin Shiner, Lythrurus roseipinnis (Teleostei: Cyprinidae). Copeia 1993:880\u2013883","journal-title":"Copeia"},{"key":"9909_CR38","doi-asserted-by":"crossref","first-page":"11212","DOI":"10.1073\/pnas.0902358106","volume":"106","author":"JJ Smith","year":"2009","unstructured":"Smith JJ, Antonacci F, Eichler EE, Amemiya CT (2009) Programmed loss of millions of base pairs from a vertebrate genome. Proc Natl Acad Sci USA 106:11212\u201311217","journal-title":"Proc Natl Acad Sci USA"},{"key":"9909_CR39","doi-asserted-by":"crossref","first-page":"1524","DOI":"10.1016\/j.cub.2012.06.028","volume":"22","author":"JJ Smith","year":"2012","unstructured":"Smith JJ, Baker C, Eichler EE, Amemiya CT (2012) Genetic consequences of programmed genome rearrangement. Curr Biol 22:1524\u20131529","journal-title":"Curr Biol"},{"key":"9909_CR40","doi-asserted-by":"crossref","first-page":"270","DOI":"10.1038\/s41588-017-0036-1","volume":"50","author":"JJ Smith","year":"2018","unstructured":"Smith JJ, Timoshevskaya N, Ye C, Holt C, Keinath MC, Parker HJ, Cook ME, Hess JE, Narum SR, Lamanna F, Kaessmann H, Timoshevskiy VA, Waterbury CKM, Saraceno C, Wiedemann LM, Robb SMC, Baker C, Eichler EE, Hockman D, Sauka-Spengler T, Yandell M, Krumlauf R, Elgar G, Amemiya CT (2018) The sea lamprey germline genome provides insights into programmed genome rearrangement and vertebrate evolution. Nat Genet 50:270\u2013277","journal-title":"Nat Genet"},{"key":"9909_CR41","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1111\/j.1768-322X.1988.tb00739.x","volume":"63","author":"DM Standiford","year":"1988","unstructured":"Standiford DM (1988) The development of a large nucleolus during oogenesis in Acanthocyclops vernalis (Crustacea, Copepoda) and its possible relationship to chromatin diminution. Biol Cell 63:35\u201340","journal-title":"Biol Cell"},{"key":"9909_CR42","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1007\/s00239-018-9835-y","volume":"86","author":"RM Strange","year":"2018","unstructured":"Strange RM, Delaney KJ (2018) First report of a mitochondrial pseudogene in agnathan vertebrates (Cyclostomata: petromyzontidae). J Mol Evol 86:187\u2013189","journal-title":"J Mol Evol"},{"key":"9909_CR43","first-page":"89","volume":"127","author":"RM Strange","year":"2018","unstructured":"Strange RM, Noland A (2018) Genetic identity of the least brook lamprey (Lampetra aepyptera) in Indiana. Proc Indiana Acad Sci 127:89\u201395","journal-title":"Proc Indiana Acad Sci"},{"key":"9909_CR44","doi-asserted-by":"crossref","first-page":"186","DOI":"10.1186\/1471-2164-15-186","volume":"15","author":"C Sun","year":"2014","unstructured":"Sun C, Wyngaard G, Walton DB, Wichman HA (2014) Mueller RL (2014) Billions of basepairs of recently expanded, repetitive sequences are eliminated from the somatic genome during copepod development. BMC Genomics 15:186","journal-title":"BMC Genomics"},{"key":"9909_CR45","volume-title":"PAUP*: phylogenetic analysis using parsimony (*and other methods). version 4.0b10","author":"DL Swofford","year":"2002","unstructured":"Swofford DL (2002) PAUP*: phylogenetic analysis using parsimony (*and other methods). version 4.0b10. Sinauer Associates, Sunderland"},{"key":"9909_CR46","doi-asserted-by":"crossref","first-page":"4876","DOI":"10.1093\/nar\/25.24.4876","volume":"25","author":"JD Thompson","year":"1997","unstructured":"Thompson JD, Gibson TJ, Plewniak F, Jeanmougin F, Higgins DG (1997) The ClustalX windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools. Nucleic Acids Res 25:4876\u20134882","journal-title":"Nucleic Acids Res"},{"key":"9909_CR47","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1016\/j.ydbio.2017.06.032","volume":"429","author":"VA Timoshevskiy","year":"2017","unstructured":"Timoshevskiy VA, Lampman RT, Hess JE, Porter LL, Smith JJ (2017) Deep ancestry of programmed genome rearrangement in lampreys. Dev Biol 429:31\u201334","journal-title":"Dev Biol"},{"key":"9909_CR48","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1016\/j.gde.2014.03.012","volume":"2014","author":"J Wang","year":"2014","unstructured":"Wang J, Davis RE (2014) Programmed DNA elimination in multicellular organisms. Curr Opin Genet Dev 2014:26\u201334","journal-title":"Curr Opin Genet Dev"},{"key":"9909_CR49","doi-asserted-by":"crossref","first-page":"7847","DOI":"10.1073\/pnas.96.14.7847","volume":"96","author":"J Yang","year":"1999","unstructured":"Yang J, Malik HS, Eickbush TH (1999) Identification of the endonuclease domain encoded by R2 and other site-specific, non-long terminal repeat retrotransposable elements. Proc Natl Acad Sci USA 96:7847\u20137852","journal-title":"Proc Natl Acad Sci USA"},{"key":"9909_CR50","doi-asserted-by":"crossref","first-page":"52","DOI":"10.32607\/20758251-2010-2-4-52-57","volume":"2","author":"MV Zagoskin","year":"2010","unstructured":"Zagoskin MV, Marshak TL, Mukha DV, Grishanin AK (2010) Chromatin diminution process regulates rRNA gene copy number in freshwater copepods. Acta Nat 2:52\u201357","journal-title":"Acta Nat"},{"key":"9909_CR51","doi-asserted-by":"crossref","first-page":"5449","DOI":"10.1073\/pnas.93.11.5449","volume":"93","author":"R Zardoya","year":"1996","unstructured":"Zardoya R, Meyer A (1996) Evolutionary relationships of the coelacanth, lungfishes, and tetrapods based on the 28S ribosomal RNA gene. Proc Natl Acad Sci USA 93:5449\u20135454","journal-title":"Proc Natl Acad Sci USA"},{"issue":"1","key":"9909_CR52","doi-asserted-by":"publisher","first-page":"e1003179","DOI":"10.1371\/journal.pgen.1003179","volume":"9","author":"J Zhou","year":"2013","unstructured":"Zhou J, Eickbush MT, Eickbush TH (2013) A population genetic model for the maintenance of R2 retrotransposons in rRNA gene loci. PLoS Genet 9(1):e1003179. https:\/\/doi.org\/10.1371\/journal.pgen.1003179","journal-title":"PLoS Genet"}],"container-title":["Journal of Molecular Evolution"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00239-019-09909-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s00239-019-09909-0\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00239-019-09909-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,1,18]],"date-time":"2021-01-18T23:07:27Z","timestamp":1611011247000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s00239-019-09909-0"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,9,5]]},"references-count":52,"journal-issue":{"issue":"9-10","published-print":{"date-parts":[[2019,12]]}},"alternative-id":["9909"],"URL":"https:\/\/doi.org\/10.1007\/s00239-019-09909-0","relation":{},"ISSN":["0022-2844","1432-1432"],"issn-type":[{"type":"print","value":"0022-2844"},{"type":"electronic","value":"1432-1432"}],"subject":[],"published":{"date-parts":[[2019,9,5]]},"assertion":[{"value":"15 May 2019","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"23 August 2019","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 September 2019","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with Ethical Standards"}},{"value":"The authors declare they have no conflict of interest to disclose.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}