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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.1
- 수록면
- 46 - 52 (7page)
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초록· 키워드
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In order to understand the molecular interactions that occur between rice and the rice blast fungus during infection, we previously identified a number of rice blast fungal elicitor-responsive genes from rice (Oryza sativa cv. Milyang 117). Here, we report the cloning and characterization of the rice fungal elicitor-inducible gene Oshin1 (GenBank Accession Number AF039532). Sequence analysis revealed that the Oshin1 cDNA is 1067 bp long and contains an open reading frame encoding 205 amino acid residues. The Oshin1 gene shows considerable sequence similarity to the tobacco hin1 and hin2 genes. The predicted Oshin1 protein has a cysteine-rich domain at the N-terminus and is rich in leucine, serine, and alanine residues. Southern blot analysis suggests that Oshin1 gene is a member of a small gene family in the rice genome. To examine the expression of OsHin1, Northern blot analysis was conducted. Expression of the Oshin1 transcript is rapidly induced in suspension-cultured rice cells treated with fungal elicitor, salicylic acid or hydrogen peroxide. In addition, Oshin1 transcript levels are rapidly increased by treatment with Ca2+/A23187. The expression of Oshin1 was also elevated in 3-week old leaf tissues upon ethephon application or fungal elicitor treatment. Our results suggest that the Oshin1 gene is involved in plant defense responses to environmental stresses.
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참고문헌 (24)
참고문헌 신청
Altschul SF / 1990 / Basic local alignment search tool / J Mol Biol 215 : 403 ~ 410
Church GM / 1984 / Genomic sequencing / Proc Natl Acad Sci USA 81 : 1991 ~ 1995
Dellaporta SL / 1983 / A plant DNA minipreparation: version II / Plant Mol Biol Rep 1 : 19 ~ 21
Dixon RA / 1990 / Molecular communication in interactions between plant and microbial pathogens / Annual Rev Pl Physiol Pl Molec Biol 41 : 339 ~ 367
Doke N / 1982 / Response of protoplasts to hyphal wall components in relationship to resistance of potato to Phytophthora infestans / Plant Pathol 2 : 23 ~ 30
Church GM / 1984 / Genomic sequencing / Proc Natl Acad Sci USA 81 : 1991 ~ 1995
Dellaporta SL / 1983 / A plant DNA minipreparation: version II / Plant Mol Biol Rep 1 : 19 ~ 21
Dixon RA / 1990 / Molecular communication in interactions between plant and microbial pathogens / Annual Rev Pl Physiol Pl Molec Biol 41 : 339 ~ 367
Doke N / 1982 / Response of protoplasts to hyphal wall components in relationship to resistance of potato to Phytophthora infestans / Plant Pathol 2 : 23 ~ 30
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