查詢結果分析
來源資料
相關文獻
- Nitric Oxide Is Involved in Methyl Jasmonate-induced Lateral Root Formation in Rice
- 水稻穀粒比重之研究
- Nitric Oxide Counteracts the Senescence of Rice Leaves Induced by Hydrogen Peroxide
- Role of Nitric Oxide in Rice Plants
- The Effect of Auxin and Nitric Oxide on Root Hair Formation in Rice
- Hydrogen Peroxide, Calcium, and Leaf Senescence in Rice
- Nitro変-L-Arginine Methyl Ester Decreases Minimum Alveolar Concentration of Isoflurane and Reduces Brain Nitric Oxide Synthase Activity in Rats
- 有效熱單位對水稻葉齡表現之影響
- 秈稻新品種--臺秈2號之育成
- 水稻臺農67號胚癒合組織之誘導及再生力研究
頁籤選單縮合
題 名 | Nitric Oxide Is Involved in Methyl Jasmonate-induced Lateral Root Formation in Rice=水稻中一氧化氮參與甲基茉莉酸鹽所誘導的側根形成 |
---|---|
作 者 | 許雲雁; 高景輝; | 書刊名 | 作物、環境與生物資訊 |
卷 期 | 9:3 2012.09[民101.09] |
頁 次 | 頁160-167 |
分類號 | 434.111 |
關鍵詞 | 側根; 甲基茉莉酸鹽; 一氧化氮; 水稻; Lateral roots; Methyl jasmonate; Nitric oxide; Oryza sativa L.; |
語 文 | 英文(English) |
中文摘要 | 本研究主要是探討甲基茉莉酸鹽(methyl jasmonae; MJ)對水稻側根形成之影響。處理甲基茉莉酸鹽會誘導側根形成,一氧化氮清除劑2-(4-carboxyphenyl)-4,4,5,5-tetrathylimidazoline-1-oxyl-3-oxide(cPTIO)可抑制此影響。利用螢光探針4-amino-5-methylamino-2',7'-difluoroflorescein diacetate來偵測一氧化氮(NO),cPTIO會降低MJ所誘導NO之螢光亮度。利用NR抑制劑sodium tungstate可完全抑制MJ誘導水稻側根與NO之形成,而NOS抑制劑NG-nitro-L-arginine methyl ester hydrochloride則無法完全抑制MJ誘導側根與NO形成之影響,顯示MJ促進NO形成是與NR活性有關。再者,MJ誘導NO產生與側根根原基形成的位置一致。我們的結果顯示MJ是藉由NO傳遞訊息促進水稻側根形成。 |
英文摘要 | In this study, we examined the effect of methyl jasmonate (MJ) on lateral root (LR) formation in rice. Application of MJ to rice seedlings induced LR formation. This effect was blocked by the nitric oxide (NO) scavenger 2-(4carboxyphenyl)-4,4,5,5- tetramethyl-imidazoline-1-oxyl-3-oxide (cPTIO). Nitric oxide was detected by the specific fluorescence probe 4-amino-5-methylamino-2',7'-difluoroflorescein diacetate. Methyl jasmonateinduced NO fluorescence was specifically suppressed by cPTIO. Nitrate reductase (NR) inhibitor sodium tungstate completely inhibited MJ-induced LR formation and NO fluorescence. However, NO synthase inhibitor NG-nitro-L-arginine methyl ester hydrochloride partially reduced MJ-promoted LR formation and NO generation, indicating that the MJ-induced NO generation was related to the NR activity. Moreover, NO generation induced by MJ was localized in root area corresponding to LR emergence. Our results suggest that MJ-promoted LR formation in rice is mediated by the NO signaling pathway. |
本系統中英文摘要資訊取自各篇刊載內容。