Dr. Toshiro Shigaki

Director

Pacific Agriculture Alliance

Japan

Plant Pathology Laboratory

The University of Tokyo

Japan

Email: tshigaki@gmail.com

Qualifications

1991-1996   Ph.D., Plant Pathology, University of Hawaii at Manoa, Honolulu, Hawaii, USA

1989-1991   M.Sc., Plant Pathology, University of Wyoming, Laramie, Wyoming, USA

1976-1980   B.Sc., Physics, University of Toyama, Toyama, Japan

Publications (Selected)

1. 2018. H. Koinuma, A. Miyazaki, R. Wakaki, Y. Fujimoto, N. Iwabuchi, T. Nijo, Y. Kitazawa, T. Shigaki, K. Maejima, Y. Yamaji, and S. Namba. First report of ‘Candidatus Phytoplasma pruni’ infecting cassava in Japan. Journal of General Plant Pathology 84: 300-304.
2. 2017. A. Miyazaki, T. Shigaki, H. Koinuma, N. Iwabuchi, G. B. Rauka, A. Kembu, J. Saul, K. Watanabe, T. Nijo, K. Maejima, Y. Yamaji, and S. Namba. ‘Candidatus Phytoplasma noviguineense’, a novel taxon associated with Bogia coconut syndrome and banana wilt disease on the island of New Guinea. International Journal of Systematic and Evolutionary Microbiology 68: 170-175.
3. 2015. G. B. Rauka and T. Shigaki. Occurrence and distribution of aibika (Abelmoschus manihot (L.) Medik.) collar rot and Fusarium rot in Morobe Province, Papua New Guinea. Fiji Agricultural Journal 55: 4-10.
4. 2014. T. Shigaki. Agriculture and biotechnology in Pacific countries. Recent Patents on Food, Nutrition & Agriculture 6: 33-37.
5. 2014. T. Shigaki and X. Li. Editorial: special issue: genetically modified foods: are they really better? Recent patents on food, nutrition & agriculture 6:2.
6. 2012. Q. Wu, T. Shigaki, J.-S. Han, C. K. Kim, K. D. Hirschi, and S. Park. Ectopic expression of a maize calreticulin mitigates calcium deficiency-like disorders in sCAX1-expressing tobacco and tomato. Plant Molecular Biology 80: 609-619.
7. 2011. M. Manohar*, T. Shigaki*, H. Mei, S. Park, Marshall, J, Aguilar, J., and K. Hirschi. Characterization of Arabidopsis Ca2+/H+ exchanger CAX3. Biochemistry 50: 6189-6195. (*co-first authors)
8. 2011. M. Manohar, T. Shigaki, and K. D. Hirschi. Plant cation/H+ exchangers (CAXs): Biological functions and genetic manipulations. Plant Biology 13: 561-569.
9. 2011. Q. Wu, T. Shigaki, K. A. Williams, J. -S. Han, C. K. Kim, K. D. Hirschi, and S. Park. Expression of an Arabidopsis Ca2+/H+ antiporter CAX1 variant in petunia enhances cadmium tolerance and accumulation. Journal of Plant Physiology 168:167-173.
10. 2010. M. Kunta, H. Miao, T. Shigaki, J. L. Perez, and M. Skaria. Ganoderma infecting citrus in Texas is a unique taxon within G. lucidum complex: evidence from the ITS region. Pest Technology. 4:62-64.
11. 2010. T. Shigaki, H. Mei, J. Marshall, X. Li, M. Manohar, and K. D. Hirschi. The expression of the open reading frame of CAX1, but not its cDNA, confers metal tolerance in yeast. Plant Biology 12:935-939.
12. 2010. M. Manohar, H. Mei, A. J. Franklin, E. M. Sweet, T. Shigaki, B. B. Riley, C. W. MacDiarmid, and K. Hirschi. Zebrafish (Danio rerio) endomembrane antiporter similar to a yeast cation/H+ transporter is required for neural crest development. Biochemistry 49:6557-6566.
13. 2009. J. Zhao, J.M. Connorton, Y. Guo, X. Li, T. Shigaki, K.D. Hirschi, and J.K. Pittman. Functional studies of split Arabidopsis Ca2+/H+ exchangers. Journal of Biological Chemistry 284:34075-34083.
14. 2009. N. Jain, R. Nadgauda, and T. Shigaki. Mining cation (CAX) transporter diversity for nutrition-enhanced crops and phytoremediation. International Journal of Integrative Biology 7:22-25.
15. 2009. J. Han, S. Park, T. Shigaki, K. D. Hirschi, and C. K. Kim. Improved watermelon quality using bottle gourd rootstock expressing a Ca2+/H+ antiporter. Molecular Breeding 24:201-211.
16. 2009. J. Zhao, T. Shigaki, H. Mei, Y. Guo, N. Cheng, and K. D. Hirschi. Interaction between Arabidopsis Ca2+/H+ exchangers CAX1 and CAX3. Journal of Biological Chemistry 284:4605-4615.
17. 2009. C. Edmond, T. Shigaki, S. Ewert, M. Nelson, J. Connorton, V. Chalova, Z. Noordally, and J. K. Pittman. Comparative analysis of CAX2-like cation transporters indicates functional and regulatory diversity. Biochemical Journal 418:145-154.
18. 2008. H. Mei, T. Shigaki, and K. D. Hirschi. Yeast as a tool for plant Ca2+ transporter research. Current Topics in Plant Biology 9:79-86.
19. 2006. T. Shigaki, I. Rees, L. Nakhleh, and K. D. Hirschi. Identification of three distinct phylogenetic groups of CAX cation/proton antiporters. Journal of Molecular Evolution 63:815-825.
20. 2006. C. K. Kim, J. -S. Han, H. S. Lee, J. Y. Oh, T. Shigaki, S. H. Park, and K. D. Hirschi. Expression of an Arabidopsis CAX2 variant in potato tubers increases calcium levels with no accumulation of manganese. Plant Cell Reports 25:1226-1232.
21. 2006. T. Shigaki and K. D. Hirschi. Diverse functions and molecular properties emerging for CAX cation/H+ exchangers in plants. Plant Biology 8:419-429.
22. 2006. F. A. Gray, T. Shigaki, D. W. Koch, R. D. Delaney, F. Hruby, A. M. Gray, M. E. Majerus, D. Cash, R. L. Ditterline, and D. M. Wichman. Registration of ‘Shoshone’ sainfoin. Crop Science 46:988.
23. 2005. T. Shigaki, M. Kole, J. M. Ward, H. Sze, and K. D. Hirschi. Cre-loxP recombination vectors for the expression of Riken Arabidopsis full-length cDNAs in plants. BioTechniques 39:301-304.
24. 2005. T. Shigaki, B. J. Barkla, M. C. M. Vergara, J. Zhao, O. Pantoja, and K. D. Hirschi. Identification of a crucial histidine involved in metal transport activity in the Arabidopsis cation/proton exchanger CAX1. Journal of Biological Chemistry 280:30136-30142.
25. 2005. N. -H. Cheng, J. K. Pittman, T. Shigaki, J. Lachmansingh, S. LeClere, B. Lahner, D. E. Salt, and K. D. Hirschi. Functional association of Arabidopsis CAX1 and CAX3 is required for normal growth and ion homeostasis. Plant Physiology 138:2048-2060.
26. 2005. T. Shigaki, R. R. Vyzasatya, A. B. Sivitz, J. M. Ward, H. Sze, and K. D. Hirschi. The Cre-loxP recombination-based reporter system for plant transcriptional expression studies. Plant Molecular Biology 58:65-73.
27. 2005. J. K. Pittman, T. Shigaki, and K. D. Hirschi. Evidence of differential pH regulation of the Arabidopsis vacuolar Ca2+/H+ antiporters CAX1 and CAX2. FEBS Letters 579:2648-2656.

BOOK CHAPTERS

1. T. Shigaki. Gut Remediation of Environmental Pollutants: Chapter 1, Health Effects of Environmental Pollutants. X. Li and P. Liu, ed. Springer, 2020.
2. T. Shigaki. Climate Change and Food Security in the 21st Century: Chapter 17, Application of biotechnologies in the conservation and utilization of plant genetic resources for food security. S. S. Yadav, R. Redden, J. L. Hatfield, A. W. Ebert, and D. Hunter, ed. Wiley-Blackwell International, 2019.
3. T. Shigaki. Encyclopedia of Food and Health: Chapter 124, Cassava-the nature and uses. B. Caballero, P. Finglas, and F. Toldrá, ed. Elsevier, 2015.

POPULAR ARTICLES

1. Development of diagnostic technologies for phytoplasma diseases. Agricultural Biotechnology 3:27-32 (In Japanese, 2019)
2. 2011-2015, Regular contributor for the Papua New Guinean national newspaper The National.

Profile Details
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