Yoshitomo Kikuchi, PhD

Researcher, AIST (2010-present)
AIST Fellow (2009)
JSPS Fellow (2006-2008)

  
Photos
Kikuchi; the acanthosomatid stinkbug Acanthosoma giganteum; the glossiphpniid leech Placobdelloides siamensis.

Projects
† Environmental acquisition of gut symbiotic bacteria in alydid stinkbugs.
† Diversity and phylogeny of gut symbiotic bacteria of stinkbugs.
† Host-symbiont co-speciation and reductive genome evolution in gut symbiotic bacteria of acathosomatid stinkbugs.
† Isolation, cultivation and transformation of gut symbiotic bacteria of stinkbugs.
† Endosymbiotic bacteria of leeches.

Publications

Kikuchi Y., Hosokawa T., Nikoh N., Fukatsu T.(2012) Gut symbiotic bacteria in the cabbage bugs Eurydema rugosa and Eurydema dominulus (Heteroptera: Pentatomidae). Applied Entomology and Zoology 47: 1-8.

Matsuura Y., Kikuchi Y., Hosokawa T., Koga R., Meng X. Y., Kamagata Y., Nikoh N., Fukatsu T. (2012) Evolution of symbiotic organs and endosymbionts in lygaeid stinkbugs. The ISME Journal 6: 397-409.

Tada A., Kikuchi Y., Hosokawa T., Musolin D. L., Fujisaki K., Fukatsu T. (2011) Obligate association with gut bacterial symbiont in Japanese populations of southern green stinkbug Nezara viridula (Heteroptera: Pentatomidae). Applied Entomology and Zoology 46: 483-488.

Kikuchi Y., Hosokawa T., Fukatsu T. (2011) Specific developmental window for establishment of an insect-microbe gut symbiosis. Applied and Environmental Microbiology 77: 4075-4081.

Kaiwa N., Hosokawa T., Kikuchi Y., Nikoh N., Meng X. Y., Kimura N., Ito M., Fukatsu T. (2011) Bacterial symbionts of the giant jewel stinkbug Eucoryssus grandis (Hemiptera: Scutelleridae). Zoological Science 28: 169-174.

Kikuchi Y., Hosokawa T., Fukatsu T. (2011) An ancient but promiscuous host-symbiont association between Burkholderia gut symbionts and their heteropteran hosts. The ISME Journal 5: 446-460.

*Futahashi R., *Tanaka K., Matsuura Y., Tanahashi M., Kikuchi Y., Fukatsu T. (2011) Laccase2 is required for cuticular pigmentation in stinkbugs. Insect Biochemistry and Molecular Biology 41: 191-196. (*Equal contributions)

Hosokawa T., Kikuchi Y., Nikoh N., Mou X. Y., Hironaka M., Fukatsu T. (2010) Phylogenetic position and peculiar genetic traits of a midgut bacterial symbiont of the stinkbug Parastrachia japonensis. Applied and Environmental Microbiology 76: 4130-4135.

Kaiwa N., Hosokawa T., Kikuchi Y., Nikoh N., Mou X. Y., Kimura N., Ito M., Fukatsu T. (2010) Primary gut symbiont and secondary, Sodalis-allied symbiont in the scutellerid stinkbug Cantao ocellatus. Applied and Environmental Microbiology 76: 3486-3494.

Hosokawa T., Koga R., Kikuchi Y., Meng X.-Y., Fukatsu T. (2010) Wolbachia as a bacteriocyte-associated nutritional mutualist. Proceedings of the National Academy of Sciences of the United States of America 107: 769-774.

Kikuchi Y., Hosokawa T., Nikoh N., Meng X. Y., Kamagata Y., Fukatsu T. (2009) Host-symbiont co-speciation and reductive genome evolution in gut symbiotic bacteria of acanthosomatid stinkbugs. BMC Biology 7: 2.

Hosokawa T., Kikuchi Y., Shimada M., Fukatsu T. (2008) Symbiont acquisition alters behaviour of stinkbug nymphs. Biology Letters 4: 45-48.

Hosokawa T., Kikuchi Y., Fukatsu T. (2007) How many symbionts are provided by mothers, acquired by offspring, and needed for successful vertical transmission in an obligate insect-bacterium mutualism? Molecular Ecology 16: 5316-5325.



Kikuchi Y., Hosokawa T., Fukatsu T. (2007) Insect-microbe mutualism without vertical transmission: a stinkbug acquires a beneficial symbiont from the environment every generation. Applied and Environmental Microbiology 73: 4308-4316.



Hosokawa T., Kikuchi Y., Shimada M., Fukatsu T. (2007) Obligate symbiont involved in pest status of host insect. Proceedings of the Royal Society B: Biological Sciences 274: 1979-1984.



Hosokawa T., Kikuchi Y., Nikoh, N., Shimada, M., Fukatsu T. (2006) Strict host-symbiont cospeciation and reductive genome evolution in insect gut bacteria. PLoS Biology 4: e337.



Kikuchi Y., Meng X. Y., Fukatsu T. (2005) Gut symbiotic bacteria of the genus Burkholderia in the broad-headed bugs, Riptortus clavatus and Leptochorisa chinensis (Heteroptera: Alydidae). Applied and Environmental Microbiology 71: 4035-4043.



Kikuchi Y., Fukatsu T. (2005) Rickettsia infection in natural leech populations. Microbial Ecology 49: 265-271.



Hosokawa T., Kikuchi Y., Meng X. Y., Fukatsu T. (2005) The making of symbiont capsule in the plataspid stinkbug Megacopta punctatissima. FEMS Microbiology Ecology 54: 471-477.


Suharna N., Kikuchi Y., Fukatsu T. (2005) Molecular phylogenetic analysis of Monascus fungi based on internal transcribed spacer region. Biotropia 24: 62-68. 



Kikuchi Y., Fukatsu T. (2003) Diversity of Wolbachia endosymbionts in heteropteran bugs. Applied and Environmental Microbiology 69: 6082-6090.



Kikuchi Y., Fukatsu T. (2002) Endosymbiotic bacteria in esophageal organ of glossiphoniid leeches. Applied and Environmental Microbiology 68: 4637-4641. 


Kikuchi Y., Sameshima S., Kitade O. Kojima J., Fukatsu T. (2002) Novel clade of Rickettsia spp. from leeches. Applied and Environmental Microbiology 68: 999-1004.

Kikuchi Y., Fukatsu T. (2008) Insect-bacterium mutualism without vertical transmission. In Insect Symbiosis Volume 3 (eds. K. Bourtzis and T. A. Miller), pp. 143-161. CRC Press, Boca Raton, USA.

Kikuchi Y., Hosokawa T., Fukatsu T. (2008) Diversity of bacterial symbiosis in stinkbugs. In Microbial Ecology Research Trends (ed. T. V. Dijk), pp. 39-63. Nova Science Publishers Inc., N. Y.