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琉球大学熱帯生物圏研究センター西表研究施設
 西表島での研究活動   Research Life in Iriomote Island  
 

メンバー:梶田 忠

・マングローブ植物の保全遺伝学的研究
・汎熱帯海流散布植物の系統地理学的研究
・種子植物の系統分類学的研究

熱帯・亜熱帯の植物多様性に関する研究

熱帯・亜熱帯の植物の多様性を、進化、系統分類、集団遺伝、保全、生態など、様々な方面から研究している。特に、西表研究施設においては、マングローブ植物の保全遺伝学的研究や、海流散布植物の系統地理学的研究など、広域分布する海流散布植物の種内の遺伝多的多様性に注目して、遺伝マーカーによる多様性解析や交配実験、フィールドワークによる研究も実施している。また、マメ科植物の多様化や、根粒菌との共生特異性の進化についての研究も実施している。

 

R6年度(2024年度)熱帯植物多様性特論I・II


熱帯植物多様性特論I・IIは、後期実施予定の授業です。受講希望者は下の「授業関係登録フォーム」からお名前、連絡先などを登録してください。
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AGRAES13160Q00516002
熱帯植物多様性特論Ⅰ梶田 忠後学期集中

AGRAES13170Q00517002
熱帯植物多様性特論Ⅱ梶田 忠後学期集中
 

梶田・授業関係登録フォーム(上記授業への事前登録4/25まで受け付け中)

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矢原さんとのメキシコ調査1995 フィールドノート(0件)URLtkaji2020/02/05(0票)

梶田 忠: Publications

Publications

  • Alison K. S. Wee  Annika M. E. Noreen  Junya Ono  Koji Takayama  Prakash P. Kumar  Hugh T. W. Tan  Mohd N. Saleh  Tadashi Kajita  Edward L. Webb. Genetic structures across a biogeographical barrier reflect dispersal potential of four Southeast Asian mangrove plant species. Journal of Biogeography. (in press)
  • José Said Gutiérrez-Ortega, María Magdalena Salinas-Rodríguez, Takuro Ito, Miguel Angel Pérez-Farrera, Andrew P. Vovides, José F. Martínez, Francisco Molina-Freaner, Antonio Hernández-López, Lina Kawaguchi, Atsushi J. Nagano, Tadashi Kajita, Yasuyuki Watano, Takashi Tsuchimatsu, Yuma Takahashi, Masashi Murakami. Niche conservatism promotes speciation in cycads: the case of Dioon merolae (Zamiaceae) in Mexico. New Phytologist (in press).
  • Masaru BAMBA, Seishiro  Aoki, Tadashi Kajita, Hiroaki Setoguchi, Yasuyuki Watano, Shusei Sato, and Takashi Tsuchimatsu. Exploring Genetic Diversity and Signatures of Horizontal Gene Transfer in Nodule Bacteria Associated with Lotus japonicus in Natural Environments. Molecular Plant-Microbe Interactions 2019 32:9, 1110-1120
  • Takashi Yamamoto, Yoshiaki Tsuda, Koji Takayama, Reiko Nagashima, Yoichi Tateishi and Tadashi Kajita. The presence of a cryptic barrier in the West Pacific Ocean suggests the effect of glacial climate changes on a widespread sea-dispersed plant, Vigna marina (Fabaceae). Ecology and Evolution.2019; 9: 84298440. https://doi.org/10.1002/ece3.5099
  • Julius, Avelinah・Gutiérrez Ortega, José Said・Sabran, Suzana・Shuichiro Tagane・Akiyo Naiki・Darnaedi Dedy・Aung Mu Mu・Dang Van Son ・Ngoc Van Nguyen・ Binhk Hoang Thi・Yasuyuki Watano・Utteridge, M.A. Timothy・Tadashi Kajita. Phylogenetic study of tropical Asian Ardisia and relatives shows non-monophyly of generic and subgeneric classifications. Journal Japanese Botany. (accepted).
  • Alison K.S. Wee  Gustavo M. Mori  Catarina F. Lira  Juan Núñez‐Farfán  Koji Takayama  Leanne Faulks Suhua Shi  Yoshiaki Tsuda  Yoshihisa Suyama  Takashi Yamamoto  Takaya Iwasaki  Yukio Nagano Zhengzhen Wang  Shin Watanabe  Tadashi Kajita. 2018. The integration and application of genomic information in mangrove conservation. Conservation Biology. 33(1): 206-209. https://doi.org/10.1111/cobi.13140.
  • Gutiérrez-Ortega J.S., Jiménez-Cedillo K., Pérez-Farrera M.A., Martínez J.F., Molina-Freaner F., Watano Y., Kajita T. 2018. Species definition of Dioon sonorense (Zamiaceae, Cycadales), and description of D. vovidesii, a new cycad species from Northwestern Mexico. Phytotaxa 369 (2): 107-114. https://doi.org/10.11646/phytotaxa.369.2.4
  • Gutiérrez-Ortega J.S., Jiménez-Cedillo K., Pérez-Farrera M.A., Vovides A.P., Martínez J.F., Molina-Freaner F., Imai R., Tsuda Y., Matsuki Y., Suyama Y., Watano Y., Kajita T. 2018. Considering evolutionary processes in cycad conservation: identification of evolutionarily significant units within Dioon sonorense (Zamiaceae) in northwestern Mexico. Conservation Genetics 19(5):1069-1081. https://doi.org/10.1007/s10592-018-1079-2
  • Alison K. S. Wee, Jessica Xian Hui Teo, Jasher L. Chua, Koji Takayama, Takeshi Asakawa, Sankararamasubramanian H. Meenakshisundaram, Onrizal, Bayu Adjie, Erwin Riyanto Ardli, Sarawood Sungkaew, Monica Suleiman, Nguyen Xuan Tung, Severino G. Salmo, III, Orlex Baylen Yllano, M. Nazre Saleh, Khin Khin Soe, Yoichi Tateishi, Yasuyuki Watano, Yoshiaki Tsuda, Tadashi Kajita, and Eward L. Webb. 2017. Vicariance and Oceanic Barriers Drive Contemporary Genetic Structure of Widespread Mangrove Species Sonneratia alba J. Sm in the Indo-West Pacific. Forests 2017, 8(12), 483; doi:10.3390/f8120483
  • Yuki Tomizawa, Yoshiaki Tsuda, Mohd Nazre Saleh, Alison K. S. Wee , Koji Takayama, Takashi Yamamoto, Orlex Baylen Yllano, Severino G. Salmo III, Sarawood Sungkaew, Bayu Adjie, Erwin Ardli , Monica Suleiman , Nguyen Xuan Tung, Khin Khin Soe, Kathiresan Kandasamy, Takeshi Asakawa, Yasuyuki Watano, Shigeyuki Baba and Tadashi Kajita. 2017. Genetic Structure and Population Demographic History of a Widespread Mangrove Plant Xylocarpus granatum J. Koenig across the Indo-West Pacific Region. Forests 8(12), 480; doi:10.3390/f8120480 
  • Gutiérrez-Ortega J.S., Salinas-Rodríguez M.M., Martínez J.F., Molina-Freaner F., Pérez-Farrera M.A., Vovides A.P., Matsuki Y., Suyama Y., Ohsawa T.A., Watano Y., Kajita T. 2017. The phylogeography of the cycad genus Dioon (Zamiaceae) clarifies its Cenozoic expansion and diversification in the Mexican transition zone. Ann. Bot. 121 (3) 535-548 [Link].
  • Gutiérrez-Ortega, J. S.; Yamamoto, T.; Vovides, A. P.; Pérez-Farrera, A. M.; Martínez, J. F.; Molina-Freaner, F.; Watano, Y.; Kajita, T. 2017. Aridification as a driver of biodiversity: A case study for the cycad genus Dioon (Zamiaceae). Ann. Bot. Ann. Bot. 121 (1) 47-60 [Link].
  • Julius A, Kajita T, Utteridge T. 2017. Ardisia gasingoides (Primulaceae-Myrsinoideae), a new species from southern Peninsular Malaysia. Phytotaxa, v. 291, n. 4, p. 281–286
  • Yamamoto T, Tsuda Y, Mori GM, Cruz MV, Shinmura Y, Wee AKS, Takayama K, Asakawa T, Yamakawa T, Suleiman M, Núñez-Farfán J, Webb EL, Watano Y and Kajita
 T. Development and characterization of 27 microsatellite markers for mangrove fern Acrostichum aureum L. (Pteridaceae), Appl. Plant Sci., 4, apps.1600042. 2016.
  • Bamba M., Nakata S., Aoki S., Takayama K., Núñez-Farfán J., Ito M., Miya M.. and Kajita T. Wide distribution range of rhizobial symbionts associated with pantropical sea-dispersed legumes, Antonie van Leeuwenhoek. 109(12): 1605-1614. 2016.
  • Ono J., Yong J.W.H., Takayama K., Saleh M.H., Wee A.K.S., Asakawa T., Yllano O.B., Salmo S.G. III., Suleiman M., Tung N.X., Soe K.K., Meenakshisundaram S.H., Watano Y., Webb E.L., Kajita T. Bruguiera hainesii, a critically endangered mangrove species, is a hybrid between B. cylindrica and B. gymnorhiza (Rhizophoraceae). Conserv. Genet. 17(5):1137-1144. 2016
  • C. Snak, M. Vatanparast, C. Silva, G. P. Lewis, M. Lavin, T. Kajita, L. P. Queiroz.  “A dated phylogeny of the papilionoid legume genus Canavalia reveals recent diversification by a pantropical liana lineage.” Molecular Phylogenetics and Evolution. 98: 133-146 (2016).
  • Tania M. Moura · Mohammad Vatanparast · Ana M. G. A. Tozzi · Félix Forest · C. Melanie Wilmot-Dear · Marcelo F. Simon · Vidal F. Mansano · Tadashi Kajita · Gwilym P. Lewis . 2015. A Molecular Phylogeny and New Infrageneric Classification of Mucuna Adans. (Leguminosae-Papilionoideae) including Insights from Morphology and Hypotheses about Biogeography.  International Journal of Plant Sciences. 177(1): 76-89.
  • Alison K S Wee, Koji Takayama, Jasher L Chua, Takeshi Asakawa, Sankararamasubramanian H Meenakshisundaram, Onrizal, Bayu Adjie, Erwin Riyanto Ardli, Sarawood Sungkaew, Norhaslinda Binti Malekal, Nguyen Xuan Tung, Severino G Salmo, Orlex Baylen Yllano, M Nazre Saleh, Khin Khin Soe, Yoichi Tateishi, Yasuyuki Watano, Shigeyuki Baba, Edward L Webb and Tadashi Kajita*. 2015. Genetic differentiation and phylogeography of partially sympatric species complex Rhizophora mucronata Lam. and R. stylosa Griff. using SSR markers. BMC Evolutionary Biology. 15:57  doi:10.1186/s12862-015-0331-3
  • Gutiérrez Ortega J.S., Kajita T., Molina-Freaner F.E. 2014. Conservation genetics of an endangered cycad, Dioon sonorense (Zamiaceae): implications from variation of chloroplast DNA. Botanical Sciences. 92(3): 441-451.
  • Miryeganeh, M., Takayama, K., Tateishi, Y. and Kajita, T. 2014. Long-Distance Dispersal by Sea-Drifted Seeds Has Maintained the Global Distribution of Ipomoea pes-caprae subsp. brasiliensis (Convolvulaceae). Plos One. DOI: 10.1371/journal.pone.0091836>.
  • Alison Wee Kim Shan, Koji Takayama, Takeshi Asakawa, Bijoy Thompson, Onrizal, Sarawood Sungkaew, Ngyuyen Xuan Tung, Nazre Saleh, Khin Khin Soe, Hugh Tan, Yasuyuki Watano, Shigeyuki Baba, Tadashi Kajita, Edward L. Webb. 2014. Oceanic currents, not land masses, maintain the genetic structure of mangrove Rhizophora mucronata Lam. (Rhizophoraceae) in Southeast Asia. Journal of Biogeography, 954-964.
  • Matin Miryeganeh, Koji Takayama, Yoichi Tateishi, Tadashi Kajita. 2014. Geographic structure of a true pantropical plant with sea-drifted seeds, Ipomoea pes-caprae (Convolvulaceae), revealed by nuclear markers. Journal of Japanese Botany, 89, 65-75.
  • Emiko Oguri, Tomio Yamaguchi, Tadashi Kajita, and Noriaki Murakami. 2013. Microsatellite Markers for Leucobryum boninense (Leucobryaceae), Endemic to the Bonin Islands, Japan. Applications in Plant Sciences. 2014:2(4) doi: http://dx.doi.org/10.3732/apps.1200399.
  • Vatanparas, M., Bente B. Klitgård, Frits A.C.B. Adema, R.Toby Pennington, Tetsukazu Yahara, Tadashi Kajita. 2013. First molecular phylogeny of the pantropical genus Dalbergia: implications for infrageneric circumscription and biogeography. South African Journal of Botany. 89: 143–149.
  • Takayama, K., M. Tamura, Y. Tateishi, E. Webb and T. Kajita. 2013. Strong genetic structure over the American continents and transoceanic dispersal in red mangroves Rhizophora (Rhizophoraceae), revealed by broad-scale nuclear and chloroplast DNA analysis. American Journal of Botany.100, 1191-1201.
  • The Legume Phylogeny Working Group. 2013. Legume Phylogeny and classificationin the 21st entury: Progress, prospects and lessons for other species-rich clades. TAXON.  62 (2): 217–248.
  • Yahara, T. et al. 2013. Global legume diversity assessment: concepts, key indicators, and strategies. TAXON. TAXON. 62(2): 217-248.
  • Wee, AKS, K. Takayama, T. Kajita and EL Webb. 2013. Microsatellite loci for Avicennia alba (Avicenniaceae), Sonneratia alba (Lythraceae) and Rhizophora mucronata (Rhizophoraceae).  Journal of Tropical Forest Science 25(1): 1-8.
  • Shinmura Y, Wee AKS, Takayama K, Meenakshisundaram SH, Asakawa T, Onrizal, Adjie B, Ardli ER, Sungkaew S, Malekal NB, Tung NX, Salmo III SG, Yllano OB, Saleh MN, Soe KK, Oguri E, Murakami N, Watano Y, Baba S, Webb EL and Kajita T. 2012. Isolation and characterization of 14 microsatellite markers for Rhizophora mucronata (Rhizophoraceae) and their potential use in range-wide population studies. Conservation Genetics Resources. 4(4): 951-954.
  • Shinmura, Y., A. K. S. Wee, K. Takayama, T. Asakawa, O. B. Yllano, S. I. G. Salmo, E. R. Ardli, N. X. Tung, N. B. Malekal, Onrizal, S. H. Meenakshisundaram, S. Sungkaew, M. N. B. Saleh, B. Adjie, M. K. K. Soe, E. Oguri, N. Murakami, Y. Watano, S. Baba, E. L. Webb & T. Kajita. 2012. Development and characterization of 15 polymorphic microsatellite loci in Sonneratia alba (Lythraceae) using next-generation sequencing. Conservation Genetics Resources 4: 811-814.
  • Koji Takayama, Mariko Tamura, Junya Ono, Yoichi Tateishi, Tadashi Kajita, 2011.
  • Isolation and characterization of microsatellite loci in the large-leafed mangrove Bruguiera gymnorhiza. In Permanent genetic resource note, Molecular Ecology Resources 11: 219-222.
  • Mohammad Vatanparast, Koji Takayama, Mario S. Sousa, Yoichi Tateishi and Tadashi Kajita. 2011. Origin of Hawaiian Endemic Species of Canavalia (Fabaceae) from Sea-Dispersed Species Revealed by Chloroplast and Nuclear DNA Sequences.  Journal of Japanese Botany 81(1): 15-25.
  • Maeda, T, Kajita T, Maruyama T, and Hirano Y. 2010. Molecular phylogeny of the Sacoglossa, with a discussion of gain and loss of kleptoplasty in the evolution of the group.  [[Biological Bulletin 219: 17-26>http://www.biolbull.org/cgi/content/full/219/1/17]].
  • Shirai A, Kondo T, and Kajita T. 2010. Molecular markers reveal genetic contamination of endangered freshwater pearl mussels in pearl culture farms in Japan. VENUS 68: 151-163.
  • Minobe S, Fukui S, Saiki R, Kajita T, et al. 2010. Highly differentiated population structure of a Mangrove species, Bruguiera gymnorhiza (Rhizophoraceae) revealed by one nuclear GapCp and one chloroplast intergenic spacer trnF-trnL. Conservation Genetics 11: 301-310.
  • Takayama K, Tamura M, Tateishi Y, and Kajita T. 2009. Isolation and characterization of microsatellite loci in a mangrove species, Rhizophora stylosa (Rhizophoraceae). Conservation Genetics Resources. 1: 175-178.
  • Takayama K, Tamura M, Tateishi Y, and Kajita T. 2008. Isolation and characterization of microsatellite loci in the red mangrove Rhizophora mangle (Rhizophoraceae) and its related species. Conservation Genetics 9: 1323-1325..
  • Wakita N, Tateishi Y, Ohi-Toma T, Murata J, and Kajita T. 2008. Presence of two Entada species in Japan evidenced by cpDNA phylogeny. Acta Phytotaxonomica et Geobotanica 59: 183-193.
  • Tateishi Y, Wakita N, and Kajita T. 2008. Taxonomic revision of the genus Entada (Leguminosae) in the Ryukyu Islands, Japan. Acta Phytotaxonomica et Geobotanica 59: 194-210.
  • Takayama K, Tateishi Y, Murata J, and Kajita T. 2008. Gene flow and population subdivision in a pantropical plant with sea-drifted seeds Hibiscus tiliaceus and its allied species: evidence from microsatellite analyses. Molecular Ecology 17: 2730-2742.
  • Takayama K, Kajita T, Murata J, and Tateishi Y. 2006. Isolation and characterization of microsatellites in the sea hibiscus (Hibiscus tiliaceus L., Malvaceae) and related hibiscus species. Molecular Ecology Notes 6: 721-723.
  • Takayama, K., Tadashi Kajita, Jin Murata and Y. Tateishi. 2006. Phylogeography and genetic structure of Hibiscus tiliaceus speciation of a pantropical plant with sea-drifted seeds Molecular Ecology (15): 2871-2881.
  • Takayama, K., Tadashi Kajita, Jin Murata and Y. Tateishi. 2006. Isolation and characterization of microsatellites in the sea hibiscus (Hibiscus tiliaceus L., Malvaceae) and related hibiscus species. Molecular Ecology Notes (6): 721-723
  • Watanabe K, Kajita T, and Murata J. 2006. Chloroplast DNA variation and geographical structure of the Aristolochia kaempferi group (Aristolochiaceae). Am. J. Bot. ; 93: 442-453.
  • Kenicer GJ, Kajita T, Pennington RT, Murata J. 2005. Systematics and biogeography of Lathyrus (Leguminosae) based on internal transcribed spacer and cpDNA sequence data. American Journal of Botany 92: 1199-1209.
  • Ohi, T., T. Kajita and J. Murata.  2003.  Distinct geographic structure as evidenced by chloroplast DNA haplotypes and ploidy level in Japanese Aucuba (Aucubaceae).  American Journal of Botany.  2003. 90(11) 1646 - 1653
  • Kajita, T., H. Ohashi, Y. Tateishi, C.D. Bailey and J.J. Doyle, rbcL and legume phylogeny, with particular reference to Phaseoleae, Millettieae, and allies.  Systematic Botany, 2001. 26(3): p. 515-536.
  • Kajita, T. and H. Ohashi, Infraspecific restriction site variation in the chloroplast DNA of Desmodium podocarpum DC. (Leguminosae - Papilionoideae). Journal of Japanese Botany, 2001. 76(2): p. 77-83.
  • Nozaki, H., K. Misawa, T. Kajita, M. Kato, S. Nohara, and M. Watanabe, Origin and evolution of the colonial Volvocales (Chlorophyceae) as inferred from multiple, chloroplast gene sequences. Molecular Phylogenetics and Evolution, 2000. 17(2): p. 256-258.
  • Azuma, T., T. Kajita, J. Yokoyama and H. Ohashi, Phylogenetic relationships of Salix (Salicaceae) based on rbcL sequence data. American Journal of Botany, 2000. 87(1): p. 67-75.
  • Kamiya, K., K. Harada, K. Ogino, T. Kajita, T. Yamazaki, H.-S. Lee, and P.S. Ashton, Molecular phylogeny of dipterocarp species using nucleotide sequences of two non-coding regions in chloroplast DNA. Tropicos, 1998. 7(3/4): p. 195-207.
  • T. Kajita, K. Kamiya, K. Nakamura, H. Tachida, R. Wickneswari, Y. Tsumura, H. Yoshimaru, and T. Yamazaki. 1998.  Molecular phylogeny of Dipterocarpaceae in Southeast Asia based on nucleotide sequences of matK, trnL intron, and trnL-trnF intergenic spacer region in chloroplast DNA.   Molecular Phylogenetics and Evolution 10 :  202-209.
  • Doyle, J.J., J.L. Doyle, J.A. Ballenger, F.E. Dickson, T. Kajita, and H. Ohashi, A phylogeny of the chloroplast gene rbcL in the Leguminosae: taxonomic correrations and insights into the evolution of nodulation. American Journal of Botany, 1997. 84(4): p. 541-554.
  • Bailey, C.D., J.J. Doyle, T. Kajita, T. Nemoto and H. Ohashi, The chloroplast rpl2 intron and ORF184 as phylogenetic markers in the legume tribe Desmodieae. Systematic Botany, 1997. 22(1): p. 133-138.
  • Kajita, T. and H. Ohashi.  Chloroplast DNA variation in Desmodium subgenus Podocarpium (Leguminosae): Infrageneric phylogeny and infraspecific variations. Journal of Plant Research. 1994. 107(1087): p.349-354.
  • M. Mizuno, M. Kato, M. Iinuma, T. Tanaka, A. Kimura, H. Ohashi, H. Sakai and T. Kajita.  1991.  Further study on two chemical races of Salix sachalinensis Fr. Schmidt.  Chem. Pharm. Bull. 39 (3): 803 - 804.
  • M. Mizuno, M. Kato, M. Iinuma, T. Tanaka, A. Kimura, H. Ohashi, H. Sakai and T. Kajita.  1990.  Phenolic compounds from Salix sachalinensis.  Heterocycles.  31: 1409-1412.
  • M. Mizuno, M. Kato, M. Iinuma, T. Tanaka, A. Kimura, H. Ohashi, H. Sakai and T. Kajita.  1989.  Two chemical races in Salix sachalinensis Fr. Schmidt (Salicaceae).  Botanical Magazine Tokyo.  102: 403-411.