Takema Fukatsu

Summary

Affiliation: National Institute of Advanced Industrial Science and Technology
Country: Japan

Publications

  1. pmc An insect-induced novel plant phenotype for sustaining social life in a closed system
    Mayako Kutsukake
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    Nat Commun 3:1187. 2012
  2. pmc Reductive evolution of bacterial genome in insect gut environment
    Naruo Nikoh
    Department of Liberal Arts, The Open University of Japan, Chiba, Japan
    Genome Biol Evol 3:702-14. 2011
  3. pmc Male-killing Spiroplasma induces sex-specific cell death via host apoptotic pathway
    Toshiyuki Harumoto
    Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    PLoS Pathog 10:e1003956. 2014
  4. ncbi request reprint Next-generation sequencing sheds light on intricate regulation of insect gut microbiota
    Takema Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba, 305 8566, Japan
    Mol Ecol 21:5908-10. 2012
  5. pmc Genome fragment of Wolbachia endosymbiont transferred to X chromosome of host insect
    Natsuko Kondo
    Department of Systems Science Biology, and Department of Biological Science at the Graduate School of Arts and Sciences, University of Tokyo, Meguro, Tokyo 153 8902, Japan
    Proc Natl Acad Sci U S A 99:14280-5. 2002
  6. pmc Interspecific symbiont transfection confers a novel ecological trait to the recipient insect
    Tsutomu Tsuchida
    Molecular Entomology Laboratory, RIKEN Advanced Science Institute, Wako, Saitama 351 0198, Japan
    Biol Lett 7:245-8. 2011
  7. pmc Bacterial endosymbiont of the slender pigeon louse, Columbicola columbae, allied to endosymbionts of grain weevils and tsetse flies
    Takema Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 73:6660-8. 2007
  8. pmc Intestinal endocellular symbiotic bacterium of the macaque louse Pedicinus obtusus: Distinct endosymbiont origins in anthropoid primate lice and the old world monkey louse
    Takema Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    Appl Environ Microbiol 75:3796-9. 2009
  9. pmc Rickettsia symbiont in the pea aphid Acyrthosiphon pisum: novel cellular tropism, effect on host fitness, and interaction with the essential symbiont Buchnera
    Makiko Sakurai
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 71:4069-75. 2005
  10. pmc Secondary intracellular symbiotic bacteria in aphids of the genus Yamatocallis (Homoptera: Aphididae: Drepanosiphinae)
    T Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305 8566, Japan
    Appl Environ Microbiol 67:5315-20. 2001

Collaborators

Detail Information

Publications96

  1. pmc An insect-induced novel plant phenotype for sustaining social life in a closed system
    Mayako Kutsukake
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    Nat Commun 3:1187. 2012
    ....
  2. pmc Reductive evolution of bacterial genome in insect gut environment
    Naruo Nikoh
    Department of Liberal Arts, The Open University of Japan, Chiba, Japan
    Genome Biol Evol 3:702-14. 2011
    ..Our data highlight strikingly similar evolutionary patterns that are shared between the extracellular and endocellular insect symbiont genomes...
  3. pmc Male-killing Spiroplasma induces sex-specific cell death via host apoptotic pathway
    Toshiyuki Harumoto
    Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    PLoS Pathog 10:e1003956. 2014
    ..These observations suggest that neither quantity nor proliferation of Spiroplasma cells but some Spiroplasma-derived factor(s) may be responsible for the expression of the male-killing phenotype. ..
  4. ncbi request reprint Next-generation sequencing sheds light on intricate regulation of insect gut microbiota
    Takema Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba, 305 8566, Japan
    Mol Ecol 21:5908-10. 2012
    ....
  5. pmc Genome fragment of Wolbachia endosymbiont transferred to X chromosome of host insect
    Natsuko Kondo
    Department of Systems Science Biology, and Department of Biological Science at the Graduate School of Arts and Sciences, University of Tokyo, Meguro, Tokyo 153 8902, Japan
    Proc Natl Acad Sci U S A 99:14280-5. 2002
    ..These results strongly suggest that wBruAus has no microbial entity but is a genome fragment of Wolbachia endosymbiont transferred to the X chromosome of the host insect...
  6. pmc Interspecific symbiont transfection confers a novel ecological trait to the recipient insect
    Tsutomu Tsuchida
    Molecular Entomology Laboratory, RIKEN Advanced Science Institute, Wako, Saitama 351 0198, Japan
    Biol Lett 7:245-8. 2011
    ..crassicauda but is scarcely found in these aphid populations...
  7. pmc Bacterial endosymbiont of the slender pigeon louse, Columbicola columbae, allied to endosymbionts of grain weevils and tsetse flies
    Takema Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 73:6660-8. 2007
    ..Possible biological roles of the symbiont are discussed in relation to the host nutritional physiology associated with the feather-feeding lifestyle...
  8. pmc Intestinal endocellular symbiotic bacterium of the macaque louse Pedicinus obtusus: Distinct endosymbiont origins in anthropoid primate lice and the old world monkey louse
    Takema Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    Appl Environ Microbiol 75:3796-9. 2009
    ..The designation "Candidatus Puchtella pedicinophila" was proposed for it...
  9. pmc Rickettsia symbiont in the pea aphid Acyrthosiphon pisum: novel cellular tropism, effect on host fitness, and interaction with the essential symbiont Buchnera
    Makiko Sakurai
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 71:4069-75. 2005
    ..On the basis of these results, we discussed the possible mechanisms that enable the prevalence of Rickettsia infection in natural host populations in spite of the negative fitness effects observed in the laboratory...
  10. pmc Secondary intracellular symbiotic bacteria in aphids of the genus Yamatocallis (Homoptera: Aphididae: Drepanosiphinae)
    T Fukatsu
    National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305 8566, Japan
    Appl Environ Microbiol 67:5315-20. 2001
    ..By using the nucleotide substitution rate for 16S rDNA of Buchnera spp., the time of acquisition of YSMS was estimated to be about 13 to 26 million years ago, in the Miocene epoch of the Tertiary period...
  11. pmc Capsule-transmitted gut symbiotic bacterium of the Japanese common plataspid stinkbug, Megacopta punctatissima
    Takema Fukatsu
    Research Institute of Biological Resources, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 68:389-96. 2002
    ....
  12. pmc "Candidatus Curculioniphilus buchneri," a novel clade of bacterial endocellular symbionts from weevils of the genus Curculio
    Hirokazu Toju
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 76:275-82. 2010
    ..We suggest that such Sodalis-allied secondary symbionts in weevils might provide a potential source for symbiont replacements, as has occurred in an ancestor of Sitophilus grain weevils...
  13. pmc Wolbachia as a bacteriocyte-associated nutritional mutualist
    Takahiro Hosokawa
    National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Proc Natl Acad Sci U S A 107:769-74. 2010
    ....
  14. pmc Primary gut symbiont and secondary, Sodalis-allied symbiont of the Scutellerid stinkbug Cantao ocellatus
    Nahomi Kaiwa
    National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    Appl Environ Microbiol 76:3486-94. 2010
    ..Biological aspects of the primary gut symbiont and the secondary Sodalis-allied symbiont are discussed...
  15. pmc Evolution of symbiotic organs and endosymbionts in lygaeid stinkbugs
    Yu Matsuura
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    ISME J 6:397-409. 2012
    ..The designation 'Candidatus Schneideria nysicola' is proposed for the endosymbiont clade...
  16. pmc Host-symbiont co-speciation and reductive genome evolution in gut symbiotic bacteria of acanthosomatid stinkbugs
    Yoshitomo Kikuchi
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    BMC Biol 7:2. 2009
    ..We investigated histological, ecological, phylogenetic, and genomic aspects of the unique gut symbiosis of the acanthosomatid stinkbugs...
  17. pmc Phylogenetic position and peculiar genetic traits of a midgut bacterial symbiont of the stinkbug Parastrachia japonensis
    Takahiro Hosokawa
    National Institute of Advanced Industrial Science and Technology AIST, 1 1 1 Higashi, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 76:4130-5. 2010
    ..The possibility that the symbiont is involved in uric acid recycling is discussed. The designation "Candidatus Benitsuchiphilus tojoi" is proposed for the symbiont...
  18. pmc Strict host-symbiont cospeciation and reductive genome evolution in insect gut bacteria
    Takahiro Hosokawa
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    PLoS Biol 4:e337. 2006
    ..Furthermore, comparative analyses of the sister groups, the endocellular Buchnera and the extracellular Ishikawaella, would lead to insights into how the different symbiotic lifestyles have affected their genomic evolution...
  19. pmc Symbiotic bacteria associated with stomach discs of human lice
    Kayoko Sasaki-Fukatsu
    National Institute of Advanced Industrial Science and Technology AIST, 1 1 1 Higashi, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 72:7349-52. 2006
    ..We propose the designation "Candidatus Riesia pediculicola" for the louse symbionts...
  20. doi request reprint Mealybugs with distinct endosymbiotic systems living on the same host plant
    Ryuichi Koga
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    FEMS Microbiol Ecol 83:93-100. 2013
    ..The findings presented here should be helpful for future functional and comparative genomics toward elucidating evolutionary pathways of mealybugs and their endosymbionts...
  21. pmc Infection dynamics of coexisting beta- and gammaproteobacteria in the nested endosymbiotic system of mealybugs
    Marie Kono
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 74:4175-84. 2008
    ..Possible mechanisms underlying the uncoupled regulation of the beta- and gamma-endosymbiont populations are discussed in relation to the establishment and evolution of this unique prokaryote-prokaryote endosymbiotic system...
  22. pmc Symbiont-mediated insecticide resistance
    Yoshitomo Kikuchi
    Bioproduction Research Institute, Hokkaido Center, National Institute of Advanced Industrial Science and Technology, Sapporo 062 8517, Japan
    Proc Natl Acad Sci U S A 109:8618-22. 2012
    ....
  23. pmc Insect-microbe mutualism without vertical transmission: a stinkbug acquires a beneficial gut symbiont from the environment every generation
    Yoshitomo Kikuchi
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    Appl Environ Microbiol 73:4308-16. 2007
    ....
  24. doi request reprint Bacterial symbionts of the giant jewel stinkbug Eucorysses grandis (Hemiptera: Scutelleridae)
    Nahomi Kaiwa
    Department of General Systems Studies, The University of Tokyo, Tokyo 153 8902, Japan
    Zoolog Sci 28:169-74. 2011
    ..A Sodalis-allied facultative symbiont was also identified in some insects from natural populations. Biological aspects of the primary gut symbiont and the secondary Sodalis-allied symbiont are discussed...
  25. ncbi request reprint Diversity and geographic distribution of secondary endosymbiotic bacteria in natural populations of the pea aphid, Acyrthosiphon pisum
    Tsutomu Tsuchida
    Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo, Tokyo 153 8902, Japan
    Mol Ecol 11:2123-35. 2002
    ..Statistical analyses suggested that the distribution of PAUS infection might be related to host plant species, temperature and precipitation...
  26. pmc Unexpected mechanism of symbiont-induced reversal of insect sex: feminizing Wolbachia continuously acts on the butterfly Eurema hecabe during larval development
    Satoko Narita
    Faculty of Horticulture, Chiba University, Chiba, Japan
    Appl Environ Microbiol 73:4332-41. 2007
    ....
  27. pmc Gene expression in gut symbiotic organ of stinkbug affected by extracellular bacterial symbiont
    Ryo Futahashi
    Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Ibaraki, Japan
    PLoS ONE 8:e64557. 2013
    ....
  28. ncbi request reprint Selective elimination of aphid endosymbionts: effects of antibiotic dose and host genotype, and fitness consequences
    Ryuichi Koga
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    FEMS Microbiol Ecol 60:229-39. 2007
    ..These results provide a basis for the development of new protocols for manipulating insect endosymbiotic microbiota...
  29. pmc Obligate symbiont involved in pest status of host insect
    Takahiro Hosokawa
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Proc Biol Sci 274:1979-84. 2007
    ..Our finding sheds new light on the evolutionary origin of insect pests, potentially leading to novel approaches to pest control and management...
  30. pmc High and low temperatures differently affect infection density and vertical transmission of male-killing Spiroplasma symbionts in Drosophila hosts
    Hisashi Anbutsu
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 74:6053-9. 2008
    ....
  31. pmc Diversity of bacterial endosymbionts associated with Macrosteles leafhoppers vectoring phytopathogenic phytoplasmas
    Yoshiko Ishii
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    Appl Environ Microbiol 79:5013-22. 2013
    ....
  32. pmc Internal spatiotemporal population dynamics of infection with three Wolbachia strains in the adzuki bean beetle, Callosobruchus chinensis (Coleoptera: Bruchidae)
    Nobuyuki Ijichi
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 68:4074-80. 2002
    ..On the basis of our results, we discuss interactions among the three coinfecting Wolbachia types, reproductive strategies of Wolbachia, and factors involved in the different cytoplasmic incompatibility phenotypes...
  33. pmc Cellular mechanism for selective vertical transmission of an obligate insect symbiont at the bacteriocyte-embryo interface
    Ryuichi Koga
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Proc Natl Acad Sci U S A 109:E1230-7. 2012
    ....
  34. pmc Venomous protease of aphid soldier for colony defense
    Mayako Kutsukake
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Proc Natl Acad Sci U S A 101:11338-43. 2004
    ..The soldier-specific cathepsin B gene showed an accelerated molecular evolution probably caused by the action of positive selection, which had been also known from venomous proteins of other animals...
  35. ncbi request reprint Prevailing triple infection with Wolbachia in Callosobruchus chinensis (Coleoptera: Bruchidae)
    Natsuko Kondo
    Department of Systems Sciences Biology, University of Tokyo, Meguro, Tokyo 153 8902, Japan
    Mol Ecol 11:167-80. 2002
    ..Mating experiments suggested that the three Wolbachia cause cytoplasmic incompatibility at different levels of intensity...
  36. pmc Changing partners in an obligate symbiosis: a facultative endosymbiont can compensate for loss of the essential endosymbiont Buchnera in an aphid
    Ryuichi Koga
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Proc Biol Sci 270:2543-50. 2003
    ..These findings illuminate complex symbiont-symbiont and host-symbiont interactions in an endosymbiotic system, and suggest a possible evolutionary route to novel obligate endosymbiosis by way of facultative endosymbiotic associations...
  37. pmc Population dynamics of male-killing and non-male-killing spiroplasmas in Drosophila melanogaster
    Hisashi Anbutsu
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, AIST Tsukuba Central 6, Tsukuba, Ibaraki 305 8566, Japan
    Appl Environ Microbiol 69:1428-34. 2003
    ..The extents of the bottleneck in the vertical transmission through host generations were estimated to be 5 x 10(-5) for NSRO and 3 x 10(-4) for NSRO-A...
  38. pmc Diverse strategies for vertical symbiont transmission among subsocial stinkbugs
    Takahiro Hosokawa
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    PLoS ONE 8:e65081. 2013
    ....
  39. pmc Reductive genome evolution, host-symbiont co-speciation and uterine transmission of endosymbiotic bacteria in bat flies
    Takahiro Hosokawa
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    ISME J 6:577-87. 2012
    ..The designation 'Candidatus Aschnera chinzeii' is proposed for the endosymbiont clade...
  40. pmc An ancient but promiscuous host-symbiont association between Burkholderia gut symbionts and their heteropteran hosts
    Yoshitomo Kikuchi
    Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology AIST, Hokkaido Center, Sapporo, Japan
    ISME J 5:446-60. 2011
    ..Possible mechanisms as to how the environmentally transmitted promiscuous symbiotic association has been stably maintained in the evolutionary course are discussed...
  41. doi request reprint Huge symbiotic organs in giant scale insects of the genus Drosicha (Coccoidea: Monophlebidae) harbor flavobacterial and enterobacterial endosymbionts
    Yu Matsuura
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Zoolog Sci 26:448-56. 2009
    ..The huge bacteriomes of Drosicha giant scales would provide a useful system for investigating biochemical, physiological, and genomic aspects of the host-symbiont and symbiont-symbiont interactions...
  42. ncbi request reprint Live imaging of symbiosis: spatiotemporal infection dynamics of a GFP-labelled Burkholderia symbiont in the bean bug Riptortus pedestris
    Yoshitomo Kikuchi
    Hokkaido Center, Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology AIST, Sapporo, 062 8517, Japan Graduate School of Agriculture, Hokkaido University, Sapporo, 060 8589, Japan
    Mol Ecol 23:1445-56. 2014
    ..These results highlight the stinkbug-Burkholderia gut symbiosis as an unprecedented model for comprehensive understanding of molecular mechanisms underpinning insect symbiosis...
  43. pmc Polyphyly of gut symbionts in stinkbugs of the family Cydnidae
    Takahiro Hosokawa
    National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    Appl Environ Microbiol 78:4758-61. 2012
    ..All of the symbionts were species specific, and constituted at least four distinct lineages in the Gammaproteobacteria, indicating multiple evolutionary origins of the gut symbionts among the burrower bugs...
  44. pmc Novel clade of alphaproteobacterial endosymbionts associated with stinkbugs and other arthropods
    Yu Matsuura
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    Appl Environ Microbiol 78:4149-56. 2012
    ..The designation "Candidatus Lariskella arthropodarum" is proposed for the endosymbiont clade...
  45. doi request reprint Symbiotic bacterium modifies aphid body color
    Tsutomu Tsuchida
    Molecular Entomology Laboratory, RIKEN Advanced Science Institute, Wako 351 0198, Japan
    Science 330:1102-4. 2010
    ..The effect of the endosymbiont on body color is expected to influence prey-predator interactions, as well as interactions with other endosymbionts...
  46. ncbi request reprint How many symbionts are provided by mothers, acquired by offspring, and needed for successful vertical transmission in an obligate insect-bacterium mutualism?
    Takahiro Hosokawa
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Mol Ecol 16:5316-25. 2007
    ..These results illuminate several ecological factors that may be relevant to parental and offspring controls over symbiotic resource allocation through host insect generations...
  47. doi request reprint Diversity and infection prevalence of endosymbionts in natural populations of the chestnut weevil: relevance of local climate and host plants
    Hirokazu Toju
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Mol Ecol 20:853-68. 2011
    ..These patterns are discussed in relation to potential host-endosymbiont co-evolution via local adaptation across geographical populations...
  48. pmc Symbiont acquisition alters behaviour of stinkbug nymphs
    Takahiro Hosokawa
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Biol Lett 4:45-8. 2008
    ....
  49. ncbi request reprint Host plant specialization governed by facultative symbiont
    Tsutomu Tsuchida
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Sciences and Technology AIST, Tsukuba 305 8566, Japan
    Science 303:1989. 2004
  50. pmc Specific developmental window for establishment of an insect-microbe gut symbiosis
    Yoshitomo Kikuchi
    Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology AIST, Hokkaido Center, 2 17 2 1 Tsukisamu Higashi, Toyohira, Sapporo 062 8517, Japan
    Appl Environ Microbiol 77:4075-81. 2011
    ..Potential mechanisms involved in infection competence and possible reasons why the infection preferentially occurs in the 2nd instar are discussed...
  51. pmc Asymmetrical interactions between Wolbachia and Spiroplasma endosymbionts coexisting in the same insect host
    Shunsuke Goto
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba Central 6, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 72:4805-10. 2006
    ..These results suggest that different host tissues act as distinct microhabitats for the symbionts and that the lytic process in host metamorphosis might be involved in the asymmetrical interactions between the coinfecting symbionts...
  52. ncbi request reprint Spiroplasma infection causes either early or late male killing in Drosophila, depending on maternal host age
    Daisuke Kageyama
    Department of Systems Sciences, University of Tokyo, Tokyo 153 8902, Japan
    Naturwissenschaften 94:333-7. 2007
    ....
  53. pmc Infection density of Wolbachia endosymbiont affected by co-infection and host genotype
    Natsuko Kondo
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Biol Lett 1:488-91. 2005
    ....
  54. pmc Density triggers soldier production in a social aphid
    Harunobu Shibao
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Proc Biol Sci 271:S71-4. 2004
    ..styraci. This study provides, to our knowledge, the first experimental demonstration of an environmental factor involved in aphid soldier differentiation...
  55. ncbi request reprint The making of symbiont capsule in the plataspid stinkbug Megacopta punctatissima
    Takahiro Hosokawa
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    FEMS Microbiol Ecol 54:471-7. 2005
    ..Ecological and evolutionary implications of the highly developed, female-specific system for symbiont transmission were discussed...
  56. pmc Endosymbiotic microbiota of the bamboo pseudococcid Antonina crawii (Insecta, Homoptera)
    T Fukatsu
    National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Tsukuba, 305 8566, Japan
    Appl Environ Microbiol 66:643-50. 2000
    ..crawii...
  57. pmc Diversification of endosymbiosis: replacements, co-speciation and promiscuity of bacteriocyte symbionts in weevils
    Hirokazu Toju
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    ISME J 7:1378-90. 2013
    ..Comparison of these newcomer bacteriocyte-associated symbiont lineages highlights potential evolutionary trajectories and consequences of novel symbionts after independent replacements of the same ancient symbiont. ..
  58. doi request reprint Altruistic colony defense by menopausal female insects
    Keigo Uematsu
    Department of General Systems Studies, University of Tokyo, Tokyo 153 8902, Japan
    Curr Biol 20:1182-6. 2010
    ..Our results suggest that the presence of an age-related trait for altruistic behavior promotes the evolution of postreproductive altruism in this social insect via kin selection under natural selection imposed by predators...
  59. pmc Prevalence of a non-male-killing spiroplasma in natural populations of Drosophila hydei
    Daisuke Kageyama
    Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan
    Appl Environ Microbiol 72:6667-73. 2006
    ....
  60. pmc Complete WO phage sequences reveal their dynamic evolutionary trajectories and putative functional elements required for integration into the Wolbachia genome
    Kohjiro Tanaka
    National Institute of Advanced Industrial Science and Technology AIST, 1 1 1 Higashi, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 75:5676-86. 2009
    ..We suggest that the active WO prophage genomes and their constituent sequence elements would provide a clue to development of a genetic transformation vector for Wolbachia endosymbionts...
  61. doi request reprint Evolution of soldier-specific venomous protease in social aphids
    Mayako Kutsukake
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    Mol Biol Evol 25:2627-41. 2008
    ....
  62. ncbi request reprint Density-dependent induction and suppression of soldier differentiation in an aphid social system
    Harunobu Shibao
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    J Insect Physiol 50:995-1000. 2004
    ..These results suggested that caste ratio in the colony of T. styraci is controlled by positive and negative feedbacks consisting of density-dependent induction and suppression of soldier differentiation...
  63. pmc Spiroplasma symbiont of the pea aphid, Acyrthosiphon pisum (Insecta: Homoptera)
    T Fukatsu
    National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Tsukuba 305 8566, Japan
    Appl Environ Microbiol 67:1284-91. 2001
    ..Of 58 clonal strains of A. pisum established from natural populations in central Japan, 4 strains possessed the Spiroplasma organism...
  64. ncbi request reprint The proximate cue of density-dependent soldier production in a social aphid
    Harunobu Shibao
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, 305 8566 Tsukuba, Japan
    J Insect Physiol 50:143-7. 2004
    ..On the basis of these results, we suggest that the soldier-inducing cue might be physical stimulus combined with non-volatile surface chemicals whose properties differ between normal aphids and soldiers...
  65. doi request reprint Wolbachia infections in world populations of bean beetles (Coleoptera: Chrysomelidae: Bruchinae) infesting cultivated and wild legumes
    Natsuko I Kondo
    Environmental Biology, National Institute for Environmental Studies NIES, 16 2 Onogawa, Tsukuba, Ibaraki 305 8506, Japan
    Zoolog Sci 28:501-8. 2011
    ..chinensis, some Taiwanese populations on a wild leguminous plant, Rhynchosia minima, exhibited a peculiar Wolbachia infection pattern, suggesting the possibility that these populations comprise a distinct host race or a cryptic species...
  66. pmc Transcriptome analysis of the aphid bacteriocyte, the symbiotic host cell that harbors an endocellular mutualistic bacterium, Buchnera
    Atsushi Nakabachi
    Environmental Molecular Biology Laboratory and Genome Science Laboratory, RIKEN, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Proc Natl Acad Sci U S A 102:5477-82. 2005
    ..Conspicuously high expression of ii and iii shed light on previously unknown aspects of the host-Buchnera interactions in the symbiotic system...
  67. ncbi request reprint Tissue-specific infection dynamics of male-killing and nonmale-killing spiroplasmas in Drosophila melanogaster
    Hisashi Anbutsu
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
    FEMS Microbiol Ecol 57:40-6. 2006
    ..In the hemolymph and whole body, the infection densities of NSRO were generally higher than those of NSRO-A, which may be related to the different reproductive phenotypes caused by the spiroplasmas...
  68. ncbi request reprint Endosymbiosis as a compact ecosystem with material cycling: parasitism or mutualism?
    Shin Fukui
    Department of General Systems Studies, Graduate School of Arts and Sciences, University of Tokyo, 3 8 1 Komaba, Tokyo, Japan
    J Theor Biol 246:746-54. 2007
    ....
  69. pmc The secondary endosymbiotic bacterium of the pea aphid Acyrthosiphon pisum (Insecta: homoptera)
    T Fukatsu
    National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Tsukuba, 305 8566, Japan
    Appl Environ Microbiol 66:2748-58. 2000
    ..Occasional disordered localization of S-symbionts was also observed in adult aphids, suggesting that there has been imperfect host-symbiont coadaptation over the short history of coevolution of these organisms...
  70. pmc Redox alters yellow dragonflies into red
    Ryo Futahashi
    Bioproduction Research Institute and Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Proc Natl Acad Sci U S A 109:12626-31. 2012
    ..Our finding extends the mechanical repertoire of pigment-based body color change in animals, and highlights an impressively simple molecular mechanism that regulates an ecologically important color trait...
  71. pmc Scab formation and wound healing of plant tissue by soldier aphid
    Mayako Kutsukake
    National Institute of Advanced Industrial Science and Technology, Tsukuba 305 8566, Japan
    Proc Biol Sci 276:1555-63. 2009
    ..We suggest that the novel system may have evolved in the aphid lineage through enhancement and recruitment of the pre-existing capabilities of haemolymph coagulation and gall formation...
  72. ncbi request reprint Trapping of 2,7-dichlorodibenzo-p-dioxin in aqueous solution by enzymatic reaction of fungal manganese peroxidase in the presence of polyunsaturated fatty acids
    Koichi Harazono
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba Central 6, Tsukuba, Ibaraki 305 8566, Japan
    Curr Microbiol 47:250-4. 2003
    ..These results suggest that a DCDD-trapping compound may be produced by peroxidation of the polyunsaturated fatty acids...
  73. doi request reprint Laccase2 is required for cuticular pigmentation in stinkbugs
    Ryo Futahashi
    National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305 8566, Japan
    Insect Biochem Mol Biol 41:191-6. 2011
    ..These results indicate that laccase2 gene is generally required for cuticular pigmentation in different stinkbug families, highlighting its conserved biological function across diverse insect taxa...
  74. pmc Diversity of Wolbachia endosymbionts in heteropteran bugs
    Yoshitomo Kikuchi
    Natural History Laboratory, Faculty of Science, Ibaraki University, Mito 310 8512, Japan
    Appl Environ Microbiol 69:6082-90. 2003
    ....
  75. ncbi request reprint Evasion, suppression and tolerance of Drosophila innate immunity by a male-killing Spiroplasma endosymbiont
    H Anbutsu
    National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Ibaraki, Japan
    Insect Mol Biol 19:481-8. 2010
    ..These findings suggest that not only immune evasion but also immune suppression and tolerance are involved in the establishment and maintenance of the insect-microbe symbiotic association...
  76. pmc Two intracellular symbiotic bacteria from the mulberry psyllid Anomoneura mori (Insecta, Homoptera)
    T Fukatsu
    National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, 1 1 Higashi, Tsukuba, Ibaraki 305 8566, Japan
    Appl Environ Microbiol 64:3599-606. 1998
    ..The nucleotide compositions of the 16S rDNAs of the X- and Y-symbionts were highly AT biased, and the sequence of the X-symbiont was the most AT-rich bacterial 16S rDNA sequence reported so far...
  77. ncbi request reprint Aphid soldier differentiation: density acts on both embryos and newborn nymphs
    Harunobu Shibao
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, 305 8566, Tsukuba, Japan
    Naturwissenschaften 90:501-4. 2003
    ..This study first throws light on the developmental aspects of caste differentiation in a social aphid...
  78. ncbi request reprint Studies on biological function and evolutionary origin of symbiotic microorganisms in insects
    Takema Fukatsu
    Biological Interactions and Symbiosis Research Group Institute for Biological Resources and Functions National Institute of Advanced Industrial Science and Technology AIST, Tsukuba, Japan
    Zoolog Sci 21:1194. 2004
  79. ncbi request reprint Isolation and characterization of aromatics-degrading microorganisms from the gut of the lower termite Coptotermes formosanus
    Koichi Harazono
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial, Science and Technology AIST, Tsukuba, Ibaraki 305 8566, Japan
    Biosci Biotechnol Biochem 67:889-92. 2003
    ..Two species, Burkholderia sp. strain VE22 and Citrobacter sp. strain VA53, were isolated by aerobic enrichment culture with veratraldehyde and vanillin, respectively. Strain VA53 could also grow and metabolize vanillin anaerobically...
  80. ncbi request reprint Characterization of a facultative endosymbiotic bacterium of the pea aphid Acyrthosiphon pisum
    T Tsuchida
    Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology AIST, Tsukuba 305 8566, Japan
    Microb Ecol 49:126-33. 2005
    ..The sporadic incidences of PAUS infection without reflecting the aphid phylogeny can be best explained by occasional horizontal transfers of the symbiont across aphid lineages...
  81. ncbi request reprint Acetone preservation: a practical technique for molecular analysis
    T Fukatsu
    National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Tsukuba, Ibaraki, Japan
    Mol Ecol 8:1935-45. 1999
    ....
  82. ncbi request reprint Genetically distinct populations in an Asian soldier-producing aphid, Pseudoregma bambucicola (Homoptera: Aphididae), identified by DNA fingerprinting and molecular phylogenetic analysis
    T Fukatsu
    National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Tsukuba, Ibaraki, 305-8566, Japan
    Mol Phylogenet Evol 18:423-33. 2001
    ..The morphological resemblance between P. bambucicola and P. carolinensis might be due to shared ancestral characters of the genus Pseudoregma...
  83. ncbi request reprint Screening for basidiomycetous fungi capable of degrading 2,7-dichlorodibenzo-p-dioxin
    Akira Sato
    Bioconsortia Program Laboratory, National Institute of Advanced Industrial Science and Technology, Tsukuba Central 6, 1 1 1 Higashi, Ibaraki, Japan
    FEMS Microbiol Lett 213:213-7. 2002
    ..The detection of a metabolic intermediate (1-chloro-3,4-dihydroxybenzene) by gas chromatography-mass spectrometry analysis supported the ability of this strain to degrade 2,7-DCDD...
  84. ncbi request reprint Evolutionary dynamics of multiple group I introns in nuclear ribosomal RNA genes of endoparasitic fungi of the genus Cordyceps
    N Nikoh
    National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Tsukuba, Japan
    Mol Biol Evol 18:1631-42. 2001
    ..Losses of group I introns in SSU rDNA have occurred at least 27 times in the evolutionary course of the 28 Cordyceps members...
  85. doi request reprint Effects of host genotype against the expression of spiroplasma-induced male killing in Drosophila melanogaster
    D Kageyama
    Department of General Systems Studies, Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan
    Heredity (Edinb) 102:475-82. 2009
    ....
  86. ncbi request reprint Genetic structure of sibling butterfly species affected by Wolbachia infection sweep: evolutionary and biogeographical implications
    Satoko Narita
    Faculty of Horticulture, Chiba University, Matsudo, Chiba 271 8510, Japan
    Mol Ecol 15:1095-108. 2006
    ..hecabe...
  87. pmc Evolutionary relationships of three new species of Enterobacteriaceae living as symbionts of aphids and other insects
    Nancy A Moran
    Department of Ecology and Evolutionary Biology, Biological Sciences West 310, University of Arizona, Tucson, Arizona 85721, USA
    Appl Environ Microbiol 71:3302-10. 2005
    ..The other two symbionts, here designated "Candidatus Hamiltonella defensa" and "Candidatus Regiella insecticola," are sister groups to one another and together show a relationship to species of Photorhabdus...
  88. pmc Endosymbiotic bacteria in the esophageal organ of glossiphoniid leeches
    Yoshitomo Kikuchi
    Natural History Laboratory, Faculty of Science, Ibaraki University, Mito 310 8512, Japan
    Appl Environ Microbiol 68:4637-41. 2002
    ..The nucleotide compositions of the 16S rRNA gene from the leech symbionts were highly AT biased (53.7%)...
  89. pmc Wolbachia genome integrated in an insect chromosome: evolution and fate of laterally transferred endosymbiont genes
    Naruo Nikoh
    Division of Natural Sciences, The University of the Air, Chiba 261 8586, Japan
    Genome Res 18:272-80. 2008
    ..These features of the laterally transferred endosymbiont genes are compared with the evolutionary patterns of mitochondrial and plastid genome fragments acquired by nuclear genomes through recent endosymbiotic gene transfers...
  90. ncbi request reprint Large gene family expansion and variable selective pressures for cathepsin B in aphids
    Claude Rispe
    Institut National de la Recherche Agronomique, Unité Mixte de Recherche 1099 BiO3P, Le Rheu, France
    Mol Biol Evol 25:5-17. 2008
    ..pisum. Putative biological roles of the diversified cathepsin B-like gene copies in aphids are discussed in relation to their nutritional physiology specialized for plant sap feeding lifestyle...
  91. ncbi request reprint Isolation of actinomycetes from termites' guts
    Yoshio Watanabe
    Bioresource Laboratories, Mercian Corporation, 1808 Nakaizumi, Iwata, Shizuoka 438 0078, Japan
    Biosci Biotechnol Biochem 67:1797-801. 2003
    ..Some actinomycetes isolated from termites' guts grew satisfactorily on lignin-related media, and the others grew on cellulose-related media...
  92. pmc Novel clade of Rickettsia spp. from leeches
    Yoshitomo Kikuchi
    Natural History Laboratory, Faculty of Science, Ibaraki University, Mito 310 8512, Japan
    Appl Environ Microbiol 68:999-1004. 2002
    ..7% (43 of 44) of T. tagoi leeches and 100% (9 of 9) of H. marginata leeches carried Rickettsia, suggesting that infection with Rickettsia is prevalent in these leeches. This is the first report of Rickettsia found in annelids...
  93. pmc Gut symbiotic bacteria of the genus Burkholderia in the broad-headed bugs Riptortus clavatus and Leptocorisa chinensis (Heteroptera: Alydidae)
    Yoshitomo Kikuchi
    Natural History Laboratory, Faculty of Science, Ibaraki University, Mito 310 8512, Japan
    Appl Environ Microbiol 71:4035-43. 2005
    ..chinensis did not form clades but were intermingled in the phylogeny, suggesting that horizontal transmission of the symbiont might have occasionally occurred between populations and species of the bugs...
  94. pmc Self-sacrificing gall repair by aphid nymphs
    Utako Kurosu
    Laboratory of Insect Resources, Tokyo University of Agriculture, Funako 1737, Atsugi, Kanagawa 243 0034, Japan
    Proc Biol Sci 270:S12-4. 2003
    ..Several nymphs were buried in the plaster, like 'aphid sacrifices'. This is the most elaborate social behaviour so far known among aphids...
  95. ncbi request reprint Hidden from the host: Spiroplasma bacteria infecting Drosophila do not cause an immune response, but are suppressed by ectopic immune activation
    Gregory D D Hurst
    Department of Biology, University College London, UK
    Insect Mol Biol 12:93-7. 2003
    ..We therefore conclude that this bacterium has a novel form of interaction with its host, being hidden from the host immune system, but potentially suppressible by it...