2010 Fiscal Year Final Research Report
Analysis of molecular binding interactions for development of citrus canker caused by Xanthomonas axonopodis pv.citri.
| Project/Area Number |
20780031
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Plant pathology
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| Research Institution | Shizuoka University |
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Principal Investigator |
HIRATA Hisae Shizuoka University, 農学部, 准教授 (00432196)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 植物病原細菌 / 病原性因子 / カンキツかいよう病 / カンキツ |
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| Research Abstract |
Apl1 (a PthA homologue) of Xanthomonas axonopodis pv. citri (Xac) is one of the AvrBs3/PthA effectors secreted via type III secretion system and a major virulence factor responsible for canker formation. The enzyme activity of pectin methylesterase (PME) that was isolated as the Apl1-binding protein from citrus was affected by binding with Apl1. The symptoms observed in the silencing area of TERT (telomerase reverse transcriptase), whose translational product is one of the components of telomerase, were more attenuated compared to those observed in the nonsilencing control area. These results suggest that PME and telomerase activity play important roles in infection and virulence of Xac.
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[Journal Article] Pseudo-polyprotein translated from the full-length ORF1 of capillovirus is important for pathogenicity, but a truncated ORF1 protein without variable and CP regions is sufficient for replication.2010
Author(s)
Hirata, H., Yamaji, Y., Komatsu, K., Kagiwada, S., Oshima, K., Okano, Y., Takahashi, S., Ugaki, M., Namba, S.
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Journal Title
Virus Res. 152
Pages: 1-9
Peer Reviewed
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[Journal Article] SlyA, a MarR Family Transcriptional Regulator, Is Essential for Virulence in Dickeya dadantii 3937.2009
Author(s)
Manjurul Haque, M.M., Kabir, S., Qurata A.L., Hirata, H., Tsuyumu, S.
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Journal Title
J.Bac. 191
Pages: 5409-5418
Peer Reviewed
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[Journal Article] A leucine-rich protein, LrpX, is a new regulator of hrp genes in Xanthomonas oryzae pv.oryzae.2009
Author(s)
Islam, Md.R., Kabir, Md.S., Hirata, H., Tsuge, S., Tsuyumu, S.
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Journal Title
J.Gen.Plant Pathol. 75
Pages: 66-71
Peer Reviewed
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[Presentation] Transient suppression of TERT gene attenuates development of citrus canker caused by Xanthomoans axonopodis pv.citri2009
Author(s)
Hirata, H., Ishiyama, Y., Matsukura, A., Sekiya, T., Ishihara, H., Tamura, K., Tsuyumu, S.
Organizer
第25回植物細菌病談話会
Place of Presentation
静岡市(男女共同参画センターあざれあ) 招待講演
Year and Date
20091126-20091127
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[Presentation] A Role of Citrus Telomerase on Canker Formation Caused by Xanthomonas axonopodis pv.citri.2009
Author(s)
Ishiyama, Y., Sekiya, T., Matsukura, A., Hirata, H., Tsuyumu, S.
Organizer
The First Japan-Korea Joint Symposium
Place of Presentation
Jeju, Korea
Year and Date
20091028-20091101
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[Presentation] Transient suppression of TERT gene attenuates development of citrus canker caused by Xanthomoans axonopodis pv.citri2009
Author(s)
Hirata, H., Ishiyama, Y., Matsukura, A., Sekiya, T., Ishihara, H., Tamura, K. , Tsuyumu, S.
Organizer
XIV International Congress on Molecular Plant-Microbe Interactions
Place of Presentation
Quebec, Canada
Year and Date
20090719-20090724
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