Organization
Faculty of Environmental, Life, Natural Science and Technology Special-Appointment Assistant Professor
Position
Special-Appointment Assistant Professor
External link
Iwanaga Hiroko
Degree
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Doctor of Science ( 2008.2 Kyushu University )
Research Interests
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Genetic diversity
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Tropical forest
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Population genetics
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集団遺伝学
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Deep mutational scanning
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Ammonium stress
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熱帯林
Education
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Kyushu University 大学院理学府 生物科学専攻博士後期課程
2004.4 - 2008.1
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Kyushu University 大学院理学府 生物科学専攻博士前期課程
2002.4 - 2004.3
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Kyushu University 理学部 生物学科
1998.4 - 2002.3
Research History
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岡山大学 学術研究院環境生命自然科学学域（理） 助教（特任）
2026.4
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岡山大学 大学院環境生命自然科学研究科（理） 非常勤研究員
2025.1 - 2026.3
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Okayama University of Science 生命科学部
2019.12 - 2026.3
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Kyoto University Graduate School of Agriculture
2009.9 - 2012.3
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University of Zurich 理学部植物生物学研究所
2008.9 - 2009.8
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Kyoto University Center for Ecological Research
2008.6 - 2008.8
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University of Zurich 理学部植物生物学研究所
2008.4 - 2008.5
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Kobe University Graduate School of Science
2008.2 - 2008.3
Professional Memberships
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日本植物学会
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日本植物生理学会
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日本遺伝学会
Papers
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Hiroko Iwanaga, Yuki Arai, Maiko Nezuo, Akiko Doi, Takahito Takei, Masayuki Fujiwara, Takushi Hachiya, Takahiro Hamada
2024.5
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Geographical variation in soil bacterial community structure in tropical forests in Southeast Asia and temperate forests in Japan based on pyrosequencing analysis of 16S rRNA
Natsumi Ito, Hiroko Iwanaga, Suliana Charles, Bibian Diway, John Sabang, Lucy Chong, Satoshi Nanami, Koichi Kamiya, Shawn Lum, Ulfah J. Siregar, Ko Harada, Naohiko T. Miyashita
GENES & GENETIC SYSTEMS 92 ( 1 ) 1 - 20 2017.2
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Geographical variation in soil bacterial community in tropical forests in the Southeast Asia based on pyrosequencing analysis on 16S rRNA
Natsumi Ito, Hiroko Iwanaga, Suliana Charles, Bibian Diway, John Sabang, Lucy Chong, Shawn Lum, Ulfah J. Siregar, Naohiko T. Miyashita
GENES & GENETIC SYSTEMS 88 ( 6 ) 386 - 386 2013.12
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Soil bacterial community structure in five tropical forests in Malaysia and one temperate forest in Japan revealed by pyrosequencing analyses of 16S rRNA gene sequence variation
Naohiko T. Miyashita, Hiroko Iwanaga, Suliana Charles, Bibian Diway, John Sabang, Lucy Chong
GENES & GENETIC SYSTEMS 88 ( 2 ) 93 - 103 2013.4
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Population structure and demographic history of a tropical lowland rainforest tree species Shorea parvifolia (Dipterocarpaceae) from Southeastern Asia
Hiroko Iwanaga, Kosuke M. Teshima, Ismael A. Khatab, Nobuyuki Inomata, Reiner Finkeldey, Iskandar Z. Siregar, Ulfah J. Siregar, Alfred E. Szmidt
ECOLOGY AND EVOLUTION 2 ( 7 ) 1663 - 1675 2012.7
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Metagenome analysis of soil microbial diversity and functions in natural and degraded forests in Malaysia
Hiroko Iwanaga, John Sabang, Diway Bibian Michael, Lucy Chong, T. Naohiko Miyashita
GENES & GENETIC SYSTEMS 85 ( 6 ) 430 - 430 2010.12
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The allopolyploid Arabidopsis kamchatica originated from multiple individuals of Arabidopsis lyrata and Arabidopsis halleri
Rie Shimizu-Inatsugi, Judita Lihova, Hiroko Iwanaga, Hiroshi Kudoh, Karol Marhold, Outi Savolainen, Kuniaki Watanabe, Valentin V. Yakubov, Kentaro K. Shimizu
MOLECULAR ECOLOGY 18 ( 19 ) 4024 - 4048 2009.10
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Genetic variation in populations of Allothrombium pulvinum (Acari: Trombidiidae) from Northern Iran revealed by mitochondrial coxI and nuclear rDNA ITS2 sequences
Marjan Khalili Mahani, Nobuyuki Inomata, Alireza Saboori, Baraldin Ebrahim Sayed Tabatabaei, Hiroko Ishiyama, Ardeshir Ariana, Alfred E. Szmidt
EXPERIMENTAL AND APPLIED ACAROLOGY 48 ( 4 ) 273 - 289 2009.8
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Demographic history and interspecific hybridization of four Shorea species (Dipterocarpaceae) from Peninsular Malaysia inferred from nucleotide polymorphism in nuclear gene regions
Hiroko Ishiyama, Nobuyuki Inomata, Tsuneyuki Yamazaki, Nor Aini Ab Shukor, Alfred E. Szmidt
CANADIAN JOURNAL OF FOREST RESEARCH 38 ( 5 ) 996 - 1007 2008.5
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Phylogeography of Eurasian Larix species inferred from nucleotide variation in two nuclear genes
Ismael A. Khatab, Hiroko Ishiyama, Nobuyuki Inomata, Xiao-Ru Wang, Alfred E. Szmidt
GENES & GENETIC SYSTEMS 83 ( 1 ) 55 - 66 2008.2
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Patterns of nucleotide polymorphism in the 4CL nuclear gene region of Eurasian Larix species
Ismael Abdelhafez Khatab, Hiroko Ishiyama, Aoi Saitoh, Nobuyuki Inomata, Alfred Edward Szmidt
GENES & GENETIC SYSTEMS 81 ( 6 ) 430 - 430 2006.12
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The demographic history of Shorea parvifolia (Dipterocarpaceae) inferred from nucleotide polymorphism at multiple nuclear genes
Hiroko Ishiyama, Ismael Khatab, Reiner Finkeldey, Nobuyuki Inomata, Yoshihiko Tsumura, Tsuneyuki Yamazaki, Alfred E. Szmidt
GENES & GENETIC SYSTEMS 81 ( 6 ) 430 - 430 2006.12
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Nucleotide variation in the GapC region of four species of Shorea and their putative hybrids
Hiroko ISHIYAMA, Tomoyuki KADO, Mayumi IWASAKI, Mieko MATSUOKA, N. Ab SHUKOR, Alfred E. SZMIDT, Tsuneyuki YAMAZAKI
Tropics 13 ( 2 ) 89 - 99 2003
Research Projects
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ゲノム解析を用いたアブラナ科Cardamine属における倍数化による種分化メカニズムの解明
2007 - 2009
Grant type：Competitive
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遺伝的多様性の研究による東南アジア熱帯樹木の分布域および集団サイズ変遷の過去の変遷過程推定
2004 - 2006
科学研究費補助金
Grant type：Competitive
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Phylogeography and demographic history of Southeast Asian tropical tree
2004 - 2006
Grant-in-Aid for Scientific Research
Grant type：Competitive