Effect of Harpin from Four Pathovars of Pseudomonas syringae on Pea Defense Responses (Short Communication) :
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- TANAKA,Rui
- Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University
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- TAGUCHI,Fumiko
- Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University
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- ICHINOSE,Yuki
- Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University:Corresponding author
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- TOYODA,Kazuhiro
- Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University
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- SHIRAISHI,Tomonori
- Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University
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- YAMADA,Tetsuji
- Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University:Deceased on April 23, 2000
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抄録
To investigate the role of the proteinaceous elicitor, harpin, on host and nonhost plants, we isolated the harpin-coding gene, hrpZ, from Pseudomonas syringae pvs. pisi, glycinea, tabaci and tomato. Effects of the recombinant harpin proteins on pea plants were analyzed and compared with the effects of the corresponding bacterial treatment. After inoculation of pea with pea pathogen P. syringae pv. pisi, the bacterial population increased and the accumulation of PAL-mRNA and pisatin was inhibited. The nonpathogenic pathovars, glycinea, tabaci and tomato induced both defense responses in pea. However, none of the harpins induced the hypersensitive reaction or accumulation of PAL-mRNA and pisatin in pea. Harpins from P. syringae pvs. glycinea, tomato and pisi did induce these defense responses in tobacco, however, suggesting that externally applied harpins either are not recognized or are nonfunctional in pea plants. (Received July 27, 2000 ; Accepted February 21, 2001)
収録刊行物
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- Journal of general plant pathology : JGPP
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Journal of general plant pathology : JGPP 67 (2), 148-151, 2001-05-25
Phytopathological Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1542824520174987264
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- NII論文ID
- 110002682953
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- NII書誌ID
- AA11449093
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- 本文言語コード
- en
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- データソース種別
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- NDL-Digital
- CiNii Articles