TAKESHI IGAWA

Last Updated :2018/11/01

Affiliations, Positions
Institute for Amphibian Biology, Institute for Amphibian Biology, Assistant Professor
E-mail
tigawahiroshima-u.ac.jp

Basic Information

Major Professional Backgrounds

  • 2008/04/01, 2009/03/31, The Graduate University for Advanced Studies
  • 2009/04/01, 2014/03/31, Hiroshima University, Graduate School of Science, Institute for Amphibian Biology, Assistant Professor (Special Appointment)
  • 2014/04/01, 2017/04/30, Hiroshima University, Graduate School for International Development and Cooperation , Assistant Professor
  • 2017/05/01, Amphibian Research Center, Hiroshima University, Assistant Professor

Educational Backgrounds

  • Hiroshima University, Japan, 2005/04, 2008/03
  • Hiroshima University, Japan, 2003/04, 2005/03
  • Shimane University, Japan, 1999/04, 2003/03

Academic Degrees

  • Doctor of Science, Hiroshima University
  • Master of Science, Hiroshima University

Research Fields

  • Biology;Basic biology;Evolutionary biology
  • Biology;Basic biology;Genetics / Chromosome dynamics
  • Biological Sciences;Conservation of biological resources;Conservation of biological resources

Research Keywords

  • Mitochondrial genome, Microsatellite, Genomic Evolution, Molecular Evolution, Evolutionary Biology, Phylogeography, Population Genetics, Landscape Genetics, Conservation Genetics

Affiliated Academic Societies

  • The Herpetological Society of Japan, 2003/04
  • Zoological Society of Japan, 2003/04
  • The Genetics Society of Japan, 2006/04
  • Society for Evolutionary Studies, Japan, 2008/04
  • The Okinawa Herpetological Society, 2011/04
  • NGS Field, 2012/04

Educational Activity

Course in Charge

  1. 2018, Liberal Arts Education Program1, 3Term, Life System through Frog Research
  2. 2018, Liberal Arts Education Program1, 2Term, Introductory Seminar for First-Year Students
  3. 2018, Undergraduate Education, 3Term, Regulation of animal morphology
  4. 2018, Undergraduate Education, Second Semester, Practice for Fundamental Biology IV
  5. 2018, Undergraduate Education, Second Semester, Seminar for amphibian biology
  6. 2018, Undergraduate Education, First Semester, Practice for Fundamental Biology I
  7. 2018, Undergraduate Education, Second Semester, Practice for Fundamental Biology II
  8. 2018, Undergraduate Education, 3Term, Laboratory Work in Biology A
  9. 2018, Graduate Education (Master's Program) , First Semester, Seminar for Amphibian Resource and Genomics
  10. 2018, Graduate Education (Master's Program) , Second Semester, Seminar for Amphibian Resource and Genomics

Research Activities

Academic Papers

  1. Evolutionary history of the extant amphioxus lineage with shallow-branching diversification, Scientific Reports, 7, 1157, 2017, April
  2. Development and Characterization of 23 Microsatellite Markers for the Montane Brown Frog (Rana ornativentris), Current Herpetology, 36, 63-68, 2017, February,
  3. The first see-through frog created by breeding: description, inheritance patterns, and dermal chromatophore structure., Scientific Reports, 6, 24431, 2016, April, 15th
  4. Population structure and evolution after speciation of the Hokkaido salamander (Hynobius retardatus), PLoS One, 11(6), e0156815, 2016, Jun, 3
  5. Salinity and thermal tolerance of Japanese stream tree frog (Buergeria japonica) tadpoles from island populations., Herpetological Journal, 26, 207-211, 2016, July, 1
  6. Living in a Japanese onsen: field observations and physiological measurements of hot spring amphibian tadpoles, Buergeria japonica, AMPHIBIA-REPTILIA, 37(3), 311-314, 2016
  7. Characterisation of major histocompatibility complex class I genes in Japanese Ranidae frogs, IMMUNOGENETICS, 68(10), 797-806, NOV 2016
  8. Radiocesium accumulation in the anuran frog, Rana tagoi tagoi, in forest ecosystems after the Fukushima Nuclear Power Plant accident, ENVIRONMENTAL POLLUTION, 199, 89-94, APR 2015
  9. Microsatellite Marker Development by Multiplex Ion Torrent PGM Sequencing: a Case Study of the Endangered Odorrana narina Complex of Frogs, JOURNAL OF HEREDITY, 106(1), 131-137, JAN-FEB 2015
  10. Development and Validation of PCR-RFLP Assay to Identify Three Japanese Brown Frogs of The True Frog Genus Rana, Current Hepetology, 34, 89-94, FEB 2015
  11. Genetic population structure and demographic history of an endangered frog, Babina holsti, CONSERVATION GENETICS, 16(4), 987-1000, AUG 2015
  12. Inbreeding ratio and genetic relationships among strains of the Western clawed frog, Xenopus tropicalis, PLoS One, 10(7), e0133963, 2015, Jul
  13. Development and characterization of 12 microsatellite markers for the Hokkaido salamander (Hynobius retardatus), Current Herpetology, 34, 177-181, 2015 Aug
  14. Extraordinary Diversity in the Origins of Sex Chromosomes in Anurans Inferred from Comparative Gene Mapping, CYTOGENETIC AND GENOME RESEARCH, 145(3-4), 218-229, 2015
  15. Robust molecular phylogeny and palaeodistribution modelling resolve a complex evolutionary history: glacial cycling drove recurrent mtDNA introgression among Pelophylax frogs in East Asia, JOURNAL OF BIOGEOGRAPHY, 42(11), 2159-2171, NOV 2015
  16. Genetic divergences of South and Southeast Asian frogs: a case study of several taxa based on 16S ribosomal RNA gene data with notes on the generic name Fejervarya, TURKISH JOURNAL OF ZOOLOGY, 38(4), 389-411, 2014
  17. Development and characterization of 14 microsatellite markers for Buergeria japonica (Amphibia, Anura, Rhacophoridae), GENES & GENETIC SYSTEMS, 89(1), 35-39, FEB 2014
  18. Development and characterization of 27 new microsatellite markers for the Indian bullfrog Hoplobatrachus tigerinus and its congeneric species, GENES & GENETIC SYSTEMS, 89(3), 137-141, 2014
  19. Genetic Divergence and Geographic Distribution of Frogs in Genus Fejervarya from Indonesia Inferred from Mitochondrial 16S rRNA Gene Analysis, Treubia, 41, 1-16, DEC 2014
  20. Population structure and landscape genetics of two endangered frog species of genus Odorrana: different scenarios on two islands, HEREDITY, 110(1), 46-56, JAN 2013
  21. An Attempt at Captive Breeding of the Endangered Newt Echinotriton andersoni, from the Central Ryukyus in Japan, Animals, 3, 680-692, JUL 2013
  22. Development and characterization of new microsatellite loci in the Otton frog (Babina subaspera) and cross-amplification in a congeneric species, Holst's frog (B-holsti), CONSERVATION GENETICS RESOURCES, 5(4), 1071-1073, DEC 2013
  23. Stable Aquaculture of the Japanese Lancelet Branchiostoma japonicum for 7 Years, JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION, 320(8), 538-547, DEC 2013
  24. Genomic structure and evolution of multigene families: "flowers" on the human genome, International journal of evolutionary biology, 2012(917678), 1-11, JAN 2012
  25. Cryptic Anuran Biodiversity in Bangladesh Revealed by Mitochondrial 16S rRNA Gene Sequences, ZOOLOGICAL SCIENCE, 29(3), 162-172, MAR 2012
  26. Isolation and characterization of ten microsatellite loci of endangered Anderson's crocodile newt, Echinotriton andersoni, CONSERVATION GENETICS RESOURCES, 4(3), 595-598, SEP 2012
  27. Isolation and characterization of twelve microsatellite loci of endangered Ishikawa's frog (Odorrana ishikawae), CONSERVATION GENETICS RESOURCES, 3(3), 421-424, JUL 2011
  28. Artificial Production and Natural Breeding of the Endangered Frog Species Odorrana ishikawae, with Special Reference to Fauna Conservation in the Laboratory, ZOOLOGICAL SCIENCE, 28(11), 834-839, NOV 2011
  29. Genetic Divergence and Evolutionary Relationship in Fejervarya cancrivora from Indonesia and Other Asian Countries Inferred from Allozyme and MtDNA Sequence Analyses, ZOOLOGICAL SCIENCE, 27(3), 222-233, MAR 2010
  30. Divergence, demography and gene loss along the human lineage., Philosophical transactions of the Royal Society of London. Series B, 365(1552), 2451-2457, AUG 2010
  31. Complete mitochondrial genomes of three neobatrachian anurans: A case study of divergence time estimation using different data and calibration settings, GENE, 407(1-2), 116-129, JAN 15 2008
  32. Genetic divergence and evolutionary relationships in six species of genera Hoplobatrachus and Euphlyctis (Amphibia : Anura) from Bangladesh and other Asian countries revealed by mitochondrial gene sequences, MOLECULAR PHYLOGENETICS AND EVOLUTION, 48(2), 515-527, AUG 2008
  33. Evolutionary relationships and reproductive isolating mechanisms in the rice frog (Fejervarya limnocharis) species complex from Sri Lanka, Thailand, Taiwan and Japan, inferred from mtDNA gene sequences, allozymes, and crossing experiments, ZOOLOGICAL SCIENCE, 24(6), 547-562, JUN 2007
  34. Molecular phylogenetic relationship of toads distributed in the Far East and Europe inferred from the nucleotide sequences of mitochondrial DNA genes, MOLECULAR PHYLOGENETICS AND EVOLUTION, 38(1), 250-260, JAN 2006
  35. Inter- and intra-specific genetic divergence of Asian tiger frogs (genus Hoplobatrachus), with special reference to the population structure of H. tigerinus in Bangladesh, Genes & Genetic Systems, 91, 217-228, 2016, August
  36. Fine-scale demographic processes resulting from multiple overseas colonization events of the Japanese stream tree frog, Buergeria japonica., Journal of Biogeography, 44, 1586-1597, 2017, July,
  37. Phylogenetic relationships and divergence times of anurans based on complete nucleotide sequences of mitochondrial genomes, GENES & GENETIC SYSTEMS, 81(6), 417-417, 2006
  38. Evolution of mitochondrial genomic structures in rhacophorid frogs, GENES & GENETIC SYSTEMS, 81(6), 417-417, 2006
  39. Universal primers for mtDNAs of neobatrachian frogs and phylogenetic relationship of ranoid families, ZOOLOGICAL SCIENCE, 23(12), 1158-1158, 2006
  40. Evolutionary relationships and reproductive isolating mechanisms in the rice frog (Fejervarya limnocharis) species complex from Sri Lanka, Thailand, Taiwan and Japan, inferred from mtDNA gene sequences, allozymes, and crossing experiments, ZOOLOGICAL SCIENCE, 24(6), 547-562, 2007
  41. Complete mitochondrial genomes of three neobatrachian anurans: A case study of divergence time estimation using different data and calibration settings, GENE, 407(1-2), 116-129, 2008
  42. Genetic divergence and evolutionary relationships in six species of genera Hoplobatrachus and Euphlyctis (Amphibia : Anura) from Bangladesh and other Asian countries revealed by mitochondrial gene sequences, MOLECULAR PHYLOGENETICS AND EVOLUTION, 48(2), 515-527, 2008
  43. Genetic Divergence and Evolutionary Relationship in Fejervarya cancrivora from Indonesia and Other Asian Countries Inferred from Allozyme and MtDNA Sequence Analyses, ZOOLOGICAL SCIENCE, 27(3), 222-233, 2010
  44. Species Diversity and Phylogenetic Relationships among Frogs from Bangladesh Revealed by Nucleotide Sequences of Mitochondrial 16S rRNA Gene, GENES & GENETIC SYSTEMS, 85(6), 400-400, 2010
  45. Population structure analyses in an endangered frog, Odorrana ishikawae (Anura: Ranidae), elucidated by microsatellite markers, GENES & GENETIC SYSTEMS, 85(6), 438-438, 2010
  46. An attempt at natural reproduction in an endangered species Odorrana ishikawae and the elucidation of postmating isolation mechanisms, GENES & GENETIC SYSTEMS, 85(6), 438-438, 2010
  47. Isolation and characterization of twelve microsatellite loci of endangered Ishikawa's frog (Odorrana ishikawae), CONSERVATION GENETICS RESOURCES, 3(3), 421-424, 2011
  48. Artificial Production and Natural Breeding of the Endangered Frog Species Odorrana ishikawae, with Special Reference to Fauna Conservation in the Laboratory, ZOOLOGICAL SCIENCE, 28(11), 834-839, 2011
  49. Cryptic Anuran Biodiversity in Bangladesh Revealed by Mitochondrial 16S rRNA Gene Sequences, ZOOLOGICAL SCIENCE, 29(3), 162-172, 2012
  50. Isolation and characterization of ten microsatellite loci of endangered Anderson's crocodile newt, Echinotriton andersoni, CONSERVATION GENETICS RESOURCES, 4(3), 595-598, 2012
  51. Population structure analyses in an endangered salamander, Echinotriton andersoni (Caudata: Slamandridae), elucidated by microsatellite markers, GENES & GENETIC SYSTEMS, 87(6), 417-417, 2012
  52. Development and characterization of new microsatellite loci in the Otton frog (Babina subaspera) and cross-amplification in a congeneric species, Holst's frog (B-holsti), CONSERVATION GENETICS RESOURCES, 5(4), 1071-1073, 2013
  53. Stable Aquaculture of the Japanese Lancelet Branchiostoma japonicum for 7 Years, JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION, 320(8), 538-547, 2013
  54. Genetic divergences of South and Southeast Asian frogs: a case study of several taxa based on 16S ribosomal RNA gene data with notes on the generic name Fejervarya, TURKISH JOURNAL OF ZOOLOGY, 38(4), 389-411, 2014
  55. Captive breeding of endangered amphibian species: A case study of ex situ conservation, GENES & GENETIC SYSTEMS, 88(6), 355-355, 2013
  56. Molecular cytogenetic studies on the process of genomic and chromosomal evolution in X. laevis after WGD and the origin and evolution of sex chromosomes in anuran species, GENES & GENETIC SYSTEMS, 88(6), 389-389, 2013
  57. Development and characterization of 14 microsatellite markers for Buergeria japonica (Amphibia, Anura, Rhacophoridae), GENES & GENETIC SYSTEMS, 89(1), 35-39, 2014
  58. Development and characterization of 27 new microsatellite markers for the Indian bullfrog Hoplobatrachus tigerinus and its congeneric species, GENES & GENETIC SYSTEMS, 89(3), 137-141, 2014
  59. Radiocesium accumulation in the anuran frog, Rana tagoi tagoi, in forest ecosystems after the Fukushima Nuclear Power Plant accident, ENVIRONMENTAL POLLUTION, 199, 89-94, 2015
  60. Microsatellite Marker Development by Multiplex Ion Torrent PGM Sequencing: a Case Study of the Endangered Odorrana narina Complex of Frogs, JOURNAL OF HEREDITY, 106(1), 131-137, 2015
  61. Genetic population structure and demographic history of an endangered frog, Babina holsti, CONSERVATION GENETICS, 16(4), 987-1000, 2015
  62. Inbreeding Ratio and Genetic Relationships among Strains of the Western Clawed Frog, Xenopus tropicalis, PLOS ONE, 10(7), 2015
  63. Extraordinary Diversity in the Origins of Sex Chromosomes in Anurans Inferred from Comparative Gene Mapping, CYTOGENETIC AND GENOME RESEARCH, 145(3-4), 218-229, 2015
  64. Robust molecular phylogeny and palaeodistribution modelling resolve a complex evolutionary history: glacial cycling drove recurrent mtDNA introgression among Pelophylax frogs in East Asia, JOURNAL OF BIOGEOGRAPHY, 42(11), 2159-2171, 2015
  65. The first see-through frog created by breeding: description, inheritance patterns, and dermal chromatophore structure, SCIENTIFIC REPORTS, 6, 2016
  66. Population Structure and Evolution after Speciation of the Hokkaido Salamander (Hynobius retardatus), PLOS ONE, 11(6), 2016
  67. Characterisation of major histocompatibility complex class II (MHCII) in Japanese frogs, GENES & GENETIC SYSTEMS, 90(6), 396-396, 2015
  68. Salinity and thermal tolerance of Japanese stream tree frog (Buergeria japonica) tadpoles from island populations, HERPETOLOGICAL JOURNAL, 26(3), 207-211, 2016
  69. Living in a Japanese onsen: field observations and physiological measurements of hot spring amphibian tadpoles, Buergeria japonica, AMPHIBIA-REPTILIA, 37(3), 311-314, 2016
  70. Inter- and intra-specific genetic divergence of Asian tiger frogs (genus Hoplobatrachus), with special reference to the population structure of H. tigerinus in Bangladesh, GENES & GENETIC SYSTEMS, 91(4), 217-227, 2016
  71. Evolutionary history of the extant amphioxus lineage with shallow-branching diversification, SCIENTIFIC REPORTS, 7, 2017
  72. Fine-scale demographic processes resulting from multiple overseas colonization events of the Japanese stream tree frog, Buergeria japonica, JOURNAL OF BIOGEOGRAPHY, 44(7), 1586-1597, 2017