platypus

Summary

Alias: duck-billed platypus, duckbill platypus, Ornithorhynchus anatinus, Ornythorhynchus anatinus

Top Publications

  1. Whittaker R, Thompson E. Studies on monotreme proteins. V. Amino acid sequence of the alpha-chain of haemoglobin from the platypus, Ornithorhynchus anatinus. Aust J Biol Sci. 1974;27:591-605 pubmed
  2. Janke A, Gemmell N, Feldmaier Fuchs G, von Haeseler A, P bo S. The mitochondrial genome of a monotreme--the platypus (Ornithorhynchus anatinus). J Mol Evol. 1996;42:153-9 pubmed
    The complete nucleotide sequence of the mitochondrial genome of a platypus (Ornithorhynchus anatinus) was determined. Its overall genomic organization is similar to that of placental mammals, Xenopus laevis, and fishes...
  3. Killian J, Byrd J, Jirtle J, Munday B, Stoskopf M, MacDonald R, et al. M6P/IGF2R imprinting evolution in mammals. Mol Cell. 2000;5:707-16 pubmed
    ..Unless there was convergent evolution of M6P/ IGF2R imprinting and receptor IGF2 binding in marsupials and eutherians, our results also demonstrate that these two functions evolved in a mammalian clade exclusive of monotremes...
  4. Vernersson M, Aveskogh M, Munday B, Hellman L. Evidence for an early appearance of modern post-switch immunoglobulin isotypes in mammalian evolution (II); cloning of IgE, IgG1 and IgG2 from a monotreme, the duck-billed platypus, Ornithorhynchus anatinus. Eur J Immunol. 2002;32:2145-55 pubmed
    ..present an analysis of the Ig expression in an egg-laying mammal, a monotreme, the duck-billed platypus (Ornithorhynchus anatinus). Fragments of platypus IgG and IgE cDNA were obtained by a PCR-based screening using degenerate primers...
  5. Sharp J, Lefevre C, Nicholas K. Molecular evolution of monotreme and marsupial whey acidic protein genes. Evol Dev. 2007;9:378-92 pubmed
    ..We report the expression and evolution of echidna (Tachyglossus aculeatus) and platypus (Onithorhynchus anatinus) WAP cDNAs...
  6. Dohm J, Tsend Ayush E, Reinhardt R, Grützner F, Himmelbauer H. Disruption and pseudoautosomal localization of the major histocompatibility complex in monotremes. Genome Biol. 2007;8:R175 pubmed
    The monotremes, represented by the duck-billed platypus and the echidnas, are the most divergent species within mammals, featuring a flamboyant mix of reptilian, mammalian and specialized characteristics...
  7. Warren W, Hillier L, Marshall Graves J, Birney E, Ponting C, Grützner F, et al. Genome analysis of the platypus reveals unique signatures of evolution. Nature. 2008;453:175-83 pubmed publisher
    We present a draft genome sequence of the platypus, Ornithorhynchus anatinus. This monotreme exhibits a fascinating combination of reptilian and mammalian characters...
  8. Zhao Y, Cui H, Whittington C, Wei Z, Zhang X, Zhang Z, et al. Ornithorhynchus anatinus (platypus) links the evolution of immunoglobulin genes in eutherian mammals and nonmammalian tetrapods. J Immunol. 2009;183:3285-93 pubmed publisher
    ..We report in this study that the platypus (Ornithorhynchus anatinus) Ig H chain constant region gene locus contains eight Ig encoding genes, which are arranged in an mu-..
  9. Lefèvre C, Sharp J, Nicholas K. Characterisation of monotreme caseins reveals lineage-specific expansion of an ancestral casein locus in mammals. Reprod Fertil Dev. 2009;21:1015-27 pubmed publisher
    ..cDNA sequencing approach we characterised milk-protein sequences from two monotreme species, platypus (Ornithorhynchus anatinus) and echidna (Tachyglossus aculeatus) and found a full set of caseins and casein variants...

More Information

Publications118 found, 100 shown here

  1. Hrdlicková R, Nehyba J, Lim S, Grützner F, Bose H. Insights into the evolution of mammalian telomerase: platypus TERT shares similarities with genes of birds and other reptiles and localizes on sex chromosomes. BMC Genomics. 2012;13:216 pubmed publisher
    ..The platypus occupies an important evolutionary position, providing unique insight into the evolution of mammalian genes...
  2. Shoda Kagaya E, Saito S, Okada M, Nozaki A, Nunokawa K, Tsuda Y. Genetic structure of the oak wilt vector beetle Platypus quercivorus: inferences toward the process of damaged area expansion. BMC Ecol. 2010;10:21 pubmed publisher
    The ambrosia beetle, Platypus quercivorus, is the vector of oak wilt, one of the most serious forest diseases in Japan...
  3. Cheng L, Motani R, Jiang D, Yan C, Tintori A, Rieppel O. Early Triassic marine reptile representing the oldest record of unusually small eyes in reptiles indicating non-visual prey detection. Sci Rep. 2019;9:152 pubmed publisher
    ..Lower Triassic of Hubei, China, revealing superficial convergence with the modern duckbilled platypus (Ornithorhynchus anatinus), a monotreme mammal...
  4. Miller R. Those other mammals: the immunoglobulins and T cell receptors of marsupials and monotremes. Semin Immunol. 2010;22:3-9 pubmed publisher
    ..Analyses of recently completed whole genome sequences from the opossum and the platypus have yielded insight into the evolution of the common antigen receptor systems, as well as discovery of novel ..
  5. Elaissi A, Rouis Z, Mabrouk S, Salah K, Aouni M, Khouja M, et al. Correlation between chemical composition and antibacterial activity of essential oils from fifteen Eucalyptus species growing in the Korbous and Jbel Abderrahman arboreta (North East Tunisia). Molecules. 2012;17:3044-57 pubmed publisher
    ..The strongest activity was shown by E. platypus oil against Enterococcus faecalis and by E...
  6. Suárez R, Paolino A, Fenlon L, Morcom L, Kozulin P, Kurniawan N, et al. A pan-mammalian map of interhemispheric brain connections predates the evolution of the corpus callosum. Proc Natl Acad Sci U S A. 2018;115:9622-9627 pubmed publisher
    ..found that connections through the anterior commissure in both fat-tailed dunnarts (Marsupialia) and duck-billed platypus (Monotremata) are spatially segregated according to cortical area topography...
  7. Beaver R, Liu L. A review of the genus Baiocis Browne, 1962 (Coleoptera: Curculionidae: Platypodinae), with new species, new synonymy and a key to males. Zootaxa. 2018;4434:481-501 pubmed publisher
    ..n.); the following in Platypus Herbst, 1793: angusticeps Schedl, 1942, perangustus Schedl, 1942, seminitens Schedl, 1971, variolosus Schedl, ..
  8. Whitworth D, Limnios I, Gauthier M, Weeratunga P, Ovchinnikov D, Baillie G, et al. Platypus Induced Pluripotent Stem Cells: the Unique Pluripotency Signature of a Monotreme. Stem Cells Dev. 2018;: pubmed publisher
    The platypus (Ornithorhynchus anatinus) is an egg-laying monotreme mammal whose ancestors diverged approximately 166 million years ago from the evolutionary pathway that eventually gave rise to both marsupial and eutherian mammals...
  9. Suzuki K, Watanabe S, Yuasa Y, Yamashita Y, Arai H, Tanaka H, et al. Radiocesium dynamics in the aquatic ecosystem of Lake Onuma on Mt. Akagi following the Fukushima Dai-ichi Nuclear Power Plant accident. Sci Total Environ. 2018;622-623:1153-1164 pubmed publisher
    ..The decay processes of 137Cs concentrations in wakasagi (Hypomesus nipponensis), pale chub (Zacco platypus), phytoplankton, and total 137Cs concentrations of the water column (WC) in the lake were well suited ..
  10. Sohn W, Na B, Cho S, Ju J, Kim C, Yoon K, et al. Infections with Centrocestus armatus Metacercariae in Fishes from Water Systems of Major Rivers in Republic of Korea. Korean J Parasitol. 2018;56:341-349 pubmed publisher
    ..CaMc were detected in 3,818 (97.1%) (2,114 Z. platypus: 96.1% and 1,704 Z. temminckii: 98.4%) out of 3,932 Zacco spp. examined and their density was 1,867 (2,109 in Z...
  11. Baes C, Dolezal M, Koltes J, Bapst B, Fritz Waters E, Jansen S, et al. Evaluation of variant identification methods for whole genome sequencing data in dairy cattle. BMC Genomics. 2014;15:948 pubmed publisher
    ..of single and multi sample variant identification methods using four publicly available software applications (Platypus, HaplotypeCaller, Samtools and UnifiedGenotyper) on whole genome sequence data of 65 key ancestors of Swiss dairy ..
  12. Samanta P, Im H, Na J, Jung J. Integrated Biomarker Responses in Livers of the Pale Chub Zacco platypus for Risk Assessment of a Stream Contaminated by Wastewater Effluents. Bull Environ Contam Toxicol. 2018;101:580-585 pubmed publisher
    We evaluated the effects of wastewater effluents on pale chub (Zacco platypus) in a contaminated stream by integrating genotoxic, oxidative stress, histological, and physiological biomarkers...
  13. Okada R, Pham D, Ito Y, Yamasaki M, Ikeno H. Measuring the Flight Ability of the Ambrosia Beetle, Platypus Quercivorus (Murayama), Using a Low-Cost, Small, and Easily Constructed Flight Mill. J Vis Exp. 2018;: pubmed publisher
    The ambrosia beetle, Platypus quercivorus (Murayama), is the vector of a fungal pathogen that causes mass mortality of Fagaceae trees (Japanese oak wilt)...
  14. Cho S, Lee W, Kim T, Seok W, Lee T, Jeong K, et al. Prevalence of zoonotic trematode metacercariae in freshwater fish from Gangwon-do, Korea. Korean J Parasitol. 2014;52:399-412 pubmed publisher
    ..7%) fish and the average metacercarial burden per infected fish was 1,032. Two chub species, Zacco platypus and Zacco temminckii were highly and heavily infected with C...
  15. Fu C, Fu S, Yuan X, Cao Z. Predator-driven intra-species variation in locomotion, metabolism and water velocity preference in pale chub (Zacco platypus) along a river. J Exp Biol. 2015;218:255-64 pubmed publisher
    ..intra-species variation in the locomotion, metabolism and water velocity preference of pale chub (Zacco platypus) along a river, we measured unsteady and steady swimming and water velocity preference among fish collected from ..
  16. Vetter A, Houang E, Sell J, Thompson B, Sham Y, Metzger J. TnI Structural Interface with the N-Terminal Lobe of TnC as a Determinant of Cardiac Contractility. Biophys J. 2018;114:1646-1656 pubmed publisher
    ..An alanine at position 164 of cTnI is conserved in all mammals, with the exception of the platypus, which expresses a proline...
  17. Cai Z. A new function of rapid eye movement sleep: improvement of muscular efficiency. Physiol Behav. 2015;144:110-5 pubmed publisher
    ..absence of penile erections in REM sleep in armadillo, as well as the higher voltage in EEG during REM sleep in platypus and ostrich...
  18. Ryazanova T, Eliseikina M, Kalabekov I, Odintsova N. A herpes-like virus in king crabs: Characterization and transmission under laboratory conditions. J Invertebr Pathol. 2015;127:21-31 pubmed publisher
    ..virus was found infecting the antennal gland and bladder epithelium in the blue king crab Paralithodes platypus from the eastern area of the Sea of Okhotsk...
  19. Yang H, Li D, Cheng C. Relating gene expression evolution with CpG content changes. BMC Genomics. 2014;15:693 pubmed publisher
    ..The nCpG content of TSS shows a bimodal distribution in all organisms except platypus, whereas the nCpG content of TTS only has a single peak...
  20. Jordal B. Molecular phylogeny and biogeography of the weevil subfamily Platypodinae reveals evolutionarily conserved range patterns. Mol Phylogenet Evol. 2015;92:294-307 pubmed publisher
    ..Austroplatypus formed the sister group to all remaining Platypodini and hence confirmed its separate status from Platypus. The Indo-Australian genera of Platypodini were strikingly paraphyletic, suggesting that the taxonomy of this ..
  21. Li Q, Chen C, Xiong C, Jin X, Chen Z, Huang W. Comparative mitogenomics reveals large-scale gene rearrangements in the mitochondrial genome of two Pleurotus species. Appl Microbiol Biotechnol. 2018;102:6143-6153 pubmed publisher
    In the present study, we assembled the mitogenomes of Pleurotus citrinopileatus and Pleurotus platypus. The circular mitogenome of the two Pleurotus species comprises a set of 14 conserved protein-encoding genes (PEGs), 2 RNA genes (small ..
  22. Wakefield M, Anderson M, Chang E, Wei K, Kaul R, Graves J, et al. Cone visual pigments of monotremes: filling the phylogenetic gap. Vis Neurosci. 2008;25:257-64 pubmed publisher
    ..the sequence and genomic organization of the genes encoding the cone visual pigment of the platypus (Ornithorhynchus anatinus) and the echidna (Tachyglossus aculeatus), and inferred their spectral properties and evolutionary ..
  23. Dreaden T, Davis J, de Beer Z, Ploetz R, Soltis P, Wingfield M, et al. Phylogeny of ambrosia beetle symbionts in the genus Raffaelea. Fungal Biol. 2014;118:970-8 pubmed publisher
    The genus Raffaelea was established in 1965 when the type species, Raffaelea ambrosia, a symbiont of Platypus ambrosia beetles was described...
  24. Graves J. Weird mammals provide insights into the evolution of mammalian sex chromosomes and dosage compensation. J Genet. 2015;94:567-74 pubmed
    ..biology were progressively adapted to characterize the sex chromosomes of kangaroos and other marsupials, platypus and echidna-and weird rodent species...
  25. Mason M. Internally coupled ears in living mammals. Biol Cybern. 2016;110:345-358 pubmed
    ..This could improve sound localisation at lower frequencies. The platypus Ornithorhynchus is apparently unique among mammals in that its tympanic cavities are widely open to the pharynx, ..
  26. Li Y, Lv Y, Bian C, You X, Deng L, Shi Q. A Comparative Genomic Survey Provides Novel Insights into Molecular Evolution of l-Aromatic Amino Acid Decarboxylase in Vertebrates. Molecules. 2018;23: pubmed publisher
    ..Interestingly, we discovered that platypus (Ornithorhynchus anatinus), Atlantic cod (Guadus morhua), Mexican tetra (Astyanax mexicanus), and a ..
  27. Gautier C, Dufour E, Dupré C, Lizzo G, Caignard S, Riest Fery I, et al. Hamster Melatonin Receptors: Cloning and Binding Characterization of MT₁ and Attempt to Clone MT₂. Int J Mol Sci. 2018;19: pubmed publisher
    ..After publishing the basic molecular characterization of the human, rat, mouse, sheep, and platypus MT₁, MT₂, or Mel1c receptors, we began cloning the genes from other animals, such as birds, bats, and vipers...
  28. Niwa H, Sekita Y, Tsend Ayush E, Grützner F. Platypus Pou5f1 reveals the first steps in the evolution of trophectoderm differentiation and pluripotency in mammals. Evol Dev. 2008;10:671-82 pubmed publisher
    ..Egg-laying mammals (platypus and echidnas) are distinguished by a very short intrauterine embryo development, in which a simple placenta forms ..
  29. Urashima T, Inamori H, Fukuda K, Saito T, Messer M, Oftedal O. 4-O-Acetyl-sialic acid (Neu4,5Ac2) in acidic milk oligosaccharides of the platypus (Ornithorhynchus anatinus) and its evolutionary significance. Glycobiology. 2015;25:683-97 pubmed publisher
    Monotremes (echidnas and platypus) retain an ancestral form of reproduction: egg-laying followed by secretion of milk onto skin and hair in a mammary patch, in the absence of nipples...
  30. Hobbins P. A Spur to Atavism: Placing Platypus Poison. J Hist Biol. 2015;48:499-537 pubmed publisher
    For over two centuries, the platypus (Ornithorhynchus anatinus) has been constructed and categorized in multiple ways. An unprecedented mélange of anatomical features and physiological functions, it long remained a systematic quandary...
  31. Gazoni T, Haddad C, Narimatsu H, Cabral de Mello D, Lyra M, Parise Maltempi P. More sex chromosomes than autosomes in the Amazonian frog Leptodactylus pentadactylus. Chromosoma. 2018;127:269-278 pubmed publisher
    ..largest number of multiple sex chromosomes in vertebrates known today is found in the monotreme platypus (Ornithorhynchus anatinus, 2n = 52) which exhibits precisely 10 sex chromosomes...
  32. He C, Myers M, Forbes B, Grützner F. Immunohistochemical analysis of pancreatic islets of platypus (Ornithorhynchus anatinus) and echidna (Tachyglossus aculeatus ssp.). J Anat. 2015;226:373-80 pubmed publisher
    ..Previous work in echidna demonstrated the presence of pancreatic islets, but no information is available for platypus and the fine structure has not been described for either monotreme...
  33. Peel E, Cheng Y, Djordjevic J, Kuhn M, Sorrell T, Belov K. Marsupial and monotreme cathelicidins display antimicrobial activity, including against methicillin-resistant Staphylococcus aureus. Microbiology. 2017;163:1457-1465 pubmed publisher
    ..properties, we tested 15 cathelicidin mature peptides from tammar wallaby, grey short-tailed opossum, platypus and echidna for antimicrobial activity against a range of bacterial and fungal clinical isolates...
  34. Sohn W, Na B, Cho S, Ju J, Son D. Prevalence and Intensity of Clonorchis sinensis Metacercariae in Freshwater Fish from Wicheon Stream in Gunwi-gun, Gyeongsangbuk-do, Korea. Korean J Parasitol. 2018;56:41-48 pubmed publisher
    ..0%, and the density was 50 CsMc per fish infected. In the rasborinid fish (chubs) group, i.e., Zacco platypus, Zacco temminckii, Zacco koreanus, and Opsariichthys uncirostris amurensis, 147 (36...
  35. Kim W, Lee S, Park J, Choi K, Cargo J, Schlenk D, et al. Integration of multi-level biomarker responses to cadmium and benzo[k]fluoranthene in the pale chub (Zacco platypus). Ecotoxicol Environ Saf. 2014;110:121-8 pubmed publisher
    ..breaks) and biochemical (metallothionein concentrations) biomarkers in the freshwater pale chub, Zacco platypus, whereas changes in the histological and physiological biomarker responses were negligible...
  36. Bisana S, Kumar S, Rismiller P, Nicol S, Lefèvre C, Nicholas K, et al. Identification and functional characterization of a novel monotreme- specific antibacterial protein expressed during lactation. PLoS ONE. 2013;8:e53686 pubmed publisher
    ..The only extant monotremes are the platypus, and the short- and long- beaked echidnas, and their distributions are limited to Australia and New Guinea...
  37. Beaver R, Sanguansub S. A review of the genus Carchesiopygus Schedl (Coleoptera: Curculionidae: Platypodinae), with keys to species. Zootaxa. 2015;3931:401-12 pubmed publisher
    ..The following species are transferred to Platypus Herbst: Carchesiopygus dentipennis Schedl, Carchesiopygus lobacanthus Schedl, Crossotarsus acanthurus Beeson, ..
  38. Tisdale R, Vyssotski A, Lesku J, Rattenborg N. Sleep-Related Electrophysiology and Behavior of Tinamous (Eudromia elegans): Tinamous Do Not Sleep Like Ostriches. Brain Behav Evol. 2017;89:249-261 pubmed publisher
    ..The mammalian and avian clades are each composed of two extant groups, i.e., the monotremes (echidna and platypus) and therian (marsupial and eutherian [or placental]) mammals, and Palaeognaths (cassowaries, emus, kiwi, ..
  39. Zhang M, Cheng J, Liu A, Wang L, Xiong L, Chen M, et al. A missense mutation in TMEM67 causes Meckel-Gruber syndrome type 3 (MKS3): a family from China. Int J Clin Exp Pathol. 2015;8:5379-86 pubmed
    ..The R549 residue is highly conserved across human, rat, mouse, zebrafish, chicken, wolf and platypus genomes. Hha I restriction analysis demonstrated that the c...
  40. Kim W, Jung J. In situ impact assessment of wastewater effluents by integrating multi-level biomarker responses in the pale chub (Zacco platypus). Ecotoxicol Environ Saf. 2016;128:246-51 pubmed publisher
    ..This study evaluated the effects of wastewater treatment plant (WWTP) effluents on the freshwater pale chub Zacco platypus by using multi-level biomarker responses at molecular [mRNA expression of catalase (CAT), superoxide dismutase (..
  41. Peter A, Khandekar S, Deakin J, Stick R. A peculiar lamin in a peculiar mammal: Expression of lamin LIII in platypus (Ornithorhynchus anatinus). Eur J Cell Biol. 2015;94:522-30 pubmed publisher
    Platypus (Ornithorhynchus anatinus) holds a unique phylogenetic position at the base of the mammalian lineage due to an amalgamation of mammalian and sauropsid-like features. Here we describe the set of four lamin genes for platypus...
  42. Daish T, Casey A, Grützner F. Lack of sex chromosome specific meiotic silencing in platypus reveals origin of MSCI in therian mammals. BMC Biol. 2015;13:106 pubmed publisher
    ..the point of origin of sex chromosome specific silencing in mammals we investigated whether MSCI exists in platypus. Our results show that platypus sex chromosomes display only partial or transient colocalisation with a ..
  43. Bino G, Kingsford R, Grant T, Taylor M, Vogelnest L. Use of implanted acoustic tags to assess platypus movement behaviour across spatial and temporal scales. Sci Rep. 2018;8:5117 pubmed publisher
    The platypus (Ornithorhynchus anatinus) is an evolutionarily distinct mammal, endemic to Australian freshwaters...
  44. Dean R, Zimmer F, Mank J. Deficit of mitonuclear genes on the human X chromosome predates sex chromosome formation. Genome Biol Evol. 2015;7:636-41 pubmed publisher
    ..We used a synteny-based approach to identify the ancestral regions in the platypus and chicken genomes that later formed the therian X chromosome...
  45. Bianchetti L, Tarabay Y, Lecompte O, Stote R, Poch O, Dejaegere A, et al. Tex19 and Sectm1 concordant molecular phylogenies support co-evolution of both eutherian-specific genes. BMC Evol Biol. 2015;15:222 pubmed publisher
    ..First, both genes are eutherian-specific, i.e., exclusively present in mammals except monotremes (platypus) and marsupials...
  46. Hall S, Thatje S. Evolution through cold and deep waters: the molecular phylogeny of the Lithodidae (Crustacea: Decapoda). Naturwissenschaften. 2018;105:19 pubmed publisher
    ..brevipes is the most basal member of the genus (as sampled) while P. camtschaticus and P. platypus are more closely related to the genera Lithodes and Neolithodes...
  47. Casey A, Daish T, Grützner F. Identification and characterisation of synaptonemal complex genes in monotremes. Gene. 2015;567:146-53 pubmed publisher
    The platypus and echidna are the only extant species belonging to the clade of monotremata, the most basal mammalian lineage...
  48. Wylie S, Li H, Jones M. Donkey orchid symptomless virus: a viral 'platypus' from Australian terrestrial orchids. PLoS ONE. 2013;8:e79587 pubmed publisher
    ..The MP shares an evolutionary history with MPs of dianthoviruses, but the other putative proteins are distant from plant viruses. DOSV is not readily classified in current lower order virus taxa. ..
  49. Hasan M, Wu X, Zhang L. Performance evaluation of indel calling tools using real short-read data. Hum Genomics. 2015;9:20 pubmed publisher
    ..indel calling tools, GATK Unified Genotyper, VarScan, Pindel, SAMtools, Dindel, GTAK HaplotypeCaller, and Platypus, using 78 human genome low-coverage data from the 1000 Genomes project...
  50. Li Z, Wang Y, Wang F. A study on fast calling variants from next-generation sequencing data using decision tree. BMC Bioinformatics. 2018;19:145 pubmed publisher
    ..e., Platypus, GATK-UnifiedGenotyper, GATK-HaplotypeCaller and SAMtools, to three sequencing data sets of a well-studied sample ..
  51. Lee J, Yoon H, Lee S. Benzo(a)pyrene-induced cytochrome p4501A expression of four freshwater fishes (Oryzias latipes, Danio rerio, Cyprinus carpio, and Zacco platypus). Environ Toxicol Pharmacol. 2015;39:1041-50 pubmed publisher
    Oryzias latipes, Danio rerio, Cyprinus carpio, and Zacco platypus are useful indicator species for CYP1A biomarker studies; however, comparative studies have not been performed...
  52. Paparini A, MacGregor J, Ryan U, Irwin P. First Molecular Characterization of Theileria ornithorhynchi Mackerras, 1959: yet Another Challenge to the Systematics of the Piroplasms. Protist. 2015;166:609-20 pubmed publisher
    ..In the present study, screening of platypuses (Ornithorhynchus anatinus), was performed to infer the parasite molecular phylogeny...
  53. Scheelings T. Morbidity and mortality of monotremes admitted to the Australian Wildlife Health Centre, Healesville Sanctuary, Australia, 2000-2014. Aust Vet J. 2016;94:121-4 pubmed publisher
    ..During this period, a total of 38 platypus (Ornithorhyncus anatanus) and 273 short-beaked echidnas (Tachyglossus aculeatus) were examined...
  54. Zheng X, Zhou T, Wan T, Perdices A, Yang J, Tang X, et al. Huangshan population of Chinese Zacco platypus (Teleostei, Cyprinidae) harbors diverse matrilines and high genetic diversity. Dongwuxue Yanjiu. 2016;37:103-9 pubmed publisher
    Six main mitochondrial DNA (mtDNA) lineages have been described in minnow (Zacco platypus) samples obtained from northern, western and southern China. Perdices et al...
  55. Poorafshar M, Aveskogh M, Munday B, Hellman L. Identification and structural analysis of four serine proteases in a monotreme, the platypus, Ornithorhynchus anatinus. Immunogenetics. 2000;52:19-28 pubmed
    ..here the primary structure of four serine proteases expressed in the spleen of a monotreme, the platypus, Ornithorhynchus anatinus. Partial cDNA clones for four serine proteases were isolated by a PCR-based strategy...
  56. Smith W, Stern J, Girard M, Davis M. Evolution of Venomous Cartilaginous and Ray-Finned Fishes. Integr Comp Biol. 2016;56:950-961 pubmed
    ..systems have evolved in numerous animal groups ranging from jellyfishes to spiders, lizards, shrews, and the male platypus. Building off new data and previously published anatomical and molecular studies, we explore the evolution of and ..
  57. Tian S, Yan H, Neuhauser C, Slager S. An analytical workflow for accurate variant discovery in highly divergent regions. BMC Genomics. 2016;17:703 pubmed publisher
    ..UnifiedGenotyper, followed by GATK HaplotypeCaller and SAMtools, in SNP calling, and of GATK HaplotypeCaller and Platypus in INDEL calling, particularly in regions of high sequence divergence such as the HLA region...
  58. Enjapoori A, Grant T, Nicol S, Lefèvre C, Nicholas K, Sharp J. Monotreme lactation protein is highly expressed in monotreme milk and provides antimicrobial protection. Genome Biol Evol. 2014;6:2754-73 pubmed publisher
    Monotremes (platypus and echidna) are the descendants of the oldest ancestor of all extant mammals distinguished from other mammals by mode of reproduction...
  59. David F, Rougemont J, Deplancke B. GETPrime 2.0: gene- and transcript-specific qPCR primers for 13 species including polymorphisms. Nucleic Acids Res. 2017;45:D56-D60 pubmed publisher
    ..0) of the database: eight new species (yeast, chicken, macaque, chimpanzee, rat, platypus, pufferfish, and Anolis carolinensis) now complement the five already included in the previous version (human, ..
  60. de Araujo Oliveira J, Costa F, Backofen R, Stadler P, Machado Telles Walter M, Hertel J. SnoReport 2.0: new features and a refined Support Vector Machine to improve snoRNA identification. BMC Bioinformatics. 2016;17:464 pubmed publisher
    ..set of previously annotated sequences, some of them experimentally confirmed, of humans, nematodes, drosophilids, platypus, chickens and leishmania...
  61. Huang W, Yang M, Wang C, Song Y. Evolutionary analysis of FAM83H in vertebrates. PLoS ONE. 2017;12:e0180360 pubmed publisher
    ..motifs were indicated, and the loss of important residues and motifs of five special species (Malayan pangolin, platypus, minke whale, nine-banded armadillo and aardvark) was discovered...
  62. van Rheede T, Amons R, Stewart N, de Jong W. Lactate dehydrogenase A as a highly abundant eye lens protein in platypus (Ornithorhynchus anatinus): upsilon (upsilon)-crystallin. Mol Biol Evol. 2003;20:994-8 pubmed
    ..We now observed an unusual approximately 41-kd protein that makes up 16% to 18% of the total protein in the platypus eye lens...
  63. Yuasa H, Ball H, Ho Y, Austin C, Whittington C, Belov K, et al. Characterization and evolution of vertebrate indoleamine 2, 3-dioxygenases IDOs from monotremes and marsupials. Comp Biochem Physiol B Biochem Mol Biol. 2009;153:137-44 pubmed
    ..In this study, we isolated both IDO1 and IDO2 cDNA from a monotreme, the platypus (Ornithorhynchus anatinus), and a marsupial, the gray short-tailed opossum (Monodelphis domestica)...
  64. Whitworth D, Pask A. The X factor: X chromosome dosage compensation in the evolutionarily divergent monotremes and marsupials. Semin Cell Dev Biol. 2016;56:117-121 pubmed publisher
    ..Specifically, studies in the platypus have shown that for any given X-linked gene, a specific proportion of nuclei within a cell population will ..
  65. Yamashita T, Udagawa N, Thirukonda G, Uehara S, Yamauchi H, Suzuki N, et al. Platypus and opossum calcitonins exhibit strong activities, even though they belong to mammals. Gen Comp Endocrinol. 2017;246:270-278 pubmed publisher
    ..Recently, comparative analyses of a wide-range of species revealed that platypus and opossum, which diverged early from other mammals, possess calcitonins that are more similar in amino acid ..
  66. Borner J, Burmester T. Parasite infection of public databases: a data mining approach to identify apicomplexan contaminations in animal genome and transcriptome assemblies. BMC Genomics. 2017;18:100 pubmed publisher
    ..For example, in the platypus genome assembly, we found a high number of contigs derived from a piroplasmid parasite (presumably Theileria ..
  67. Jeon J, Kim K, Song H, Lee G, Cheong K, Kim H, et al. Draft Genome Sequence of the Fungus Associated with Oak Wilt Mortality in South Korea, Raffaelea quercus-mongolicae KACC44405. Genome Announc. 2017;5: pubmed publisher
    ..g., Quercus spp.). The fungus is vectored and dispersed by the ambrosia beetle, Platypus koryoensis Here, we present the 27.0-Mb draft genome sequence of R...
  68. Lozano J, Verge V, Schatt P, Juengel J, Peaucellier G. Evolution of cyclin B3 shows an abrupt three-fold size increase, due to the extension of a single exon in placental mammals, allowing for new protein-protein interactions. Mol Biol Evol. 2012;29:3855-71 pubmed publisher
    ..At the emergence of mammals, the gene was relocated from chromosome 6 of platypus to the X chromosome in marsupials, but the exon extension occurred only in placental mammals...
  69. Johnson C, Goodwine D, Passier I. Improvised Cricothyrotomy on a Mountain Using Hiking Gear. Wilderness Environ Med. 2016;27:500-503 pubmed publisher
    ..The patient ultimately required a surgical cricothyrotomy performed with a pocket knife and Platypus hydration pack. The physicians made a makeshift positive pressure airway device using the Platypus hydration pack...
  70. Casey A, Daish T, Barbero J, Grützner F. Differential cohesin loading marks paired and unpaired regions of platypus sex chromosomes at prophase I. Sci Rep. 2017;7:4217 pubmed publisher
    ..We discovered a dynamic and differential accumulation of cohesins on sex chromosomes during platypus prophase I and specific reorganisation of the sex chromosome complex around a large nucleolar body...
  71. Wang M, Chen H, Shih H. Occurrence and distribution of yellow grub trematodes (Clinostomum complanatum) infection in Taiwan. Parasitol Res. 2017;116:1761-1771 pubmed publisher
    ..62%, in snails. Acrossocheilus paradoxus, Zacco barbata, Zacco pachycephalus, Zacco platypus, Onychostoma barbatula, and Hemibarbus labeo are new host records...
  72. Gofton A, Loh S, Barbosa A, Paparini A, Gillett A, MacGregor J, et al. A novel Ehrlichia species in blood and Ixodes ornithorhynchi ticks from platypuses (Ornithorhynchus anatinus) in Queensland and Tasmania, Australia. Ticks Tick Borne Dis. 2018;9:435-442 pubmed publisher
    ..16S) next-generation sequencing and genus-specific PCR to profile the bacterial communities in platypus (Ornithorhynchus anatinus) blood samples and platypus ticks (Ixodes ornithorhynchi), and identified a high prevalence of Ehrlichia ..
  73. Wu T, Cheng Y, Liu Z, Tao W, Zheng S, Wang D. Bioinformatic analyses of zona pellucida genes in vertebrates and their expression in Nile tilapia. Fish Physiol Biochem. 2018;44:435-449 pubmed publisher
    ..Amazon molly, platyfish, seahorse, Northern snakehead, cavefish, tetraodon, clawed frog, turtle, chicken, platypus, kangaroo rat, and human genomes, respectively...
  74. Wu X, Wang S, Chen H, Jiang Z, Chen H, Gao M, et al. Assessment of metal contamination in the Hun River, China, and evaluation of the fish Zacco platypus and the snail Radix swinhoei as potential biomonitors. Environ Sci Pollut Res Int. 2017;24:6512-6522 pubmed publisher
    ..severity of metal contamination in the Hun River and the potential use of indigenous organisms (the fish Zacco platypus and the snail Radix swinhoei) as biomonitors of metal contamination...
  75. Slater M. Pluto and the platypus: An odd ball and an odd duck - On classificatory norms. Stud Hist Philos Sci. 2017;61:1-10 pubmed publisher
    ..I argue that this classificatory controversy - which I compare to the controversy about the classification of the platypus - illustrates how our classificatory practices are laden with normative commitments of a distinctive kind...
  76. Enjapoori A, Lefèvre C, Nicholas K, Sharp J. Hormonal regulation of platypus Beta-lactoglobulin and monotreme lactation protein genes. Gen Comp Endocrinol. 2017;242:38-48 pubmed publisher
    ..Here we characterised the proximal promoter and hormonal regulation of two platypus milk protein genes, Beta-lactoglobulin (BLG), a whey protein and monotreme lactation protein (MLP), a monotreme ..
  77. Cardoso J, Bergqvist C, Félix R, Larhammar D. Corticotropin-releasing hormone family evolution: five ancestral genes remain in some lineages. J Mol Endocrinol. 2016;57:73-86 pubmed publisher
    ..mammals and in teleost fish, but is present in birds (except chicken), anole lizard, and the nonplacental mammals platypus and opossum...
  78. Masuya H, Manabe R, Ohkuma M, Endoh R. Draft Genome Sequence of Raffaelea quercivora JCM 11526, a Japanese Oak Wilt Pathogen Associated with the Platypodid Beetle, Platypus quercivorus. Genome Announc. 2016;4: pubmed publisher
    The Japanese oak wilt pathogen Raffaelea quercivora and the platypodid beetle, Platypus quercivorus, cause serious mass mortality of Quercus spp. in Japan. Here, we present the first draft genome sequence of R...
  79. Parra Z, Lillie M, Miller R. A model for the evolution of the mammalian t-cell receptor ?/? and ? loci based on evidence from the duckbill Platypus. Mol Biol Evol. 2012;29:3205-14 pubmed
    ..An analysis of the genes encoding the TCR? chains in the duckbill platypus revealed the presence of a highly divergent variable (V) gene, indistinguishable from immunoglobulin heavy (..
  80. Nixon B, Ecroyd H, Dacheux J, Dacheux F, Labas V, Johnston S, et al. Formation and Dissociation of Sperm Bundles in Monotremes. Biol Reprod. 2016;95:91 pubmed
    Because monotremes are the earliest offshoot of the mammalian lineage, the platypus and short-beaked echidna were studied as model animals to assess the origin and biological significance of adaptations considered unique to therian ..
  81. Davies W, Carvalho L, Cowing J, Beazley L, Hunt D, Arrese C. Visual pigments of the platypus: a novel route to mammalian colour vision. Curr Biol. 2007;17:R161-3 pubmed publisher
  82. Hugall A, Foster R, Lee M. Calibration choice, rate smoothing, and the pattern of tetrapod diversification according to the long nuclear gene RAG-1. Syst Biol. 2007;56:543-63 pubmed publisher
    ..Similarly, saturation of mitochondrial DNA sequences, and the resultant greater compression of basal branches means that using only external deep calibrations will also lead to inflated age estimates within the focal ingroup...
  83. Whittington C, Papenfuss A, Bansal P, Torres A, Wong E, Deakin J, et al. Defensins and the convergent evolution of platypus and reptile venom genes. Genome Res. 2008;18:986-94 pubmed publisher
    When the platypus (Ornithorhynchus anatinus) was first discovered, it was thought to be a taxidermist's hoax, as it has a blend of mammalian and reptilian features...
  84. Yu J, Tang Y, Li J, Li H, Yu F, Yu W, et al. Cloning, expression analysis, and antibacterial propertiesof three serum amyloid A in common carp (Cyprinus carpio). Fish Shellfish Immunol. 2017;65:267-277 pubmed publisher
    ..phylogenetic analysis of the SAAs indicated that the fish SAAs were closer to those of invertebrates and Ornithorhynchus anatinus, a primitive mammal, than to mammalian SAAs...
  85. Waters S, Livernois A, Patel H, O Meally D, Craig J, Graves J, et al. Landscape of DNA methylation on the marsupial X. Mol Biol Evol. 2017;: pubmed publisher
    ..male and female CpG methylation profiles in four representative vertebrates (mouse, gray short-tailed opossum, platypus and chicken). A variety of DNA methylation patterns were observed...
  86. Calabrese F, Balacco D, Preste R, Diroma M, Forino R, Ventura M, et al. NumtS colonization in mammalian genomes. Sci Rep. 2017;7:16357 pubmed publisher
    ..Considering the large amount of NumtS we found in platypus and opossum genomes, we hypothesized the occurrence of an earlier colonization that happened prior to the ..
  87. Amrine Madsen H, Koepfli K, Wayne R, Springer M. A new phylogenetic marker, apolipoprotein B, provides compelling evidence for eutherian relationships. Mol Phylogenet Evol. 2003;28:225-40 pubmed
    ..A smaller deletion of 237-246bp was diagnostic of the superordinal clade Afrotheria...
  88. Weidman J, Murphy S, Nolan C, Dietrich F, Jirtle R. Phylogenetic footprint analysis of IGF2 in extant mammals. Genome Res. 2004;14:1726-32 pubmed publisher
    ..We performed phylogenetic sequence and epigenetic comparisons of IGF2 between the nonimprinted platypus (Ornithorhynchus anatinus) and imprinted opossum (Didelphis virginiana), mouse (Mus musculus), and human (Homo sapiens) to ..
  89. Hickford D, Frankenberg S, Pask A, Shaw G, Renfree M. DDX4 (VASA) is conserved in germ cell development in marsupials and monotremes. Biol Reprod. 2011;85:733-43 pubmed publisher
    ..germ cell development, we characterized DDX4 in both a marsupial (the tammar wallaby) and a monotreme (the platypus). DDX4 is highly conserved between eutherian, marsupial, and monotreme mammals...
  90. Han Z, Papermaster D. Identification of three prominin homologs and characterization of their messenger RNA expression in Xenopus laevis tissues. Mol Vis. 2011;17:1381-96 pubmed
    ..laevis ortholog of prominin-3, which was only found in nonmammalian vertebrates and the platypus. We identified alternatively spliced exons in mRNAs of all three prominin homologs...
  91. Oikkonen L, Lise S. Making the most of RNA-seq: Pre-processing sequencing data with Opossum for reliable SNP variant detection. Wellcome Open Res. 2017;2:6 pubmed publisher
    ..pre-processes RNA-seq reads prior to variant calling, and although it has been designed to work specifically with Platypus, it can be used equally well with other variant callers such as GATK HaplotypeCaller...
  92. Slapeta J, Saverimuttu S, Vogelnest L, Sangster C, Hulst F, Rose K, et al. Deep-sequencing to resolve complex diversity of apicomplexan parasites in platypuses and echidnas: Proof of principle for wildlife disease investigation. Infect Genet Evol. 2017;55:218-227 pubmed publisher
    The short-beaked echidna (Tachyglossus aculeatus) and the platypus (Ornithorhynchus anatinus) are iconic egg-laying monotremes (Mammalia: Monotremata) from Australasia...