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- 저자 : Jing-Nuo Wu (검색결과 2 건)
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Coherent Coupling Between a Three-Level Atom and a Structured Reservoir
Jing-Nuo Wu,Tzong-Jer Yang,Szu-Cheng Cheng 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.6
We study the spontaneous emission (SE) spectra of a three-level -type atom in photonic crystals. The air-band, the dielectric-band and the free-space vacuum reservoirs coupled with the atom are considered. With the consideration of the phase difference between the air-band and the dielectricband fields, two band reservoirs become coherent and can interfere with each other. This interference effect depends on the embedded position of the atom and the band-gap width and can affect the SE spectrum. The effect of this interference on the SE spectrum is shown.
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Wang Wanwan,Jin Nuo,Mo Xiaochang,Wu Jun,Lu Jing,Lou Yonggen 한국식물학회 2021 Journal of Plant Biology Vol.64 No.5
Applying chemical elicitors is considered a promising approach for controlling pests in the field. Our previous studies have shown that gibberellin (GA) signaling positively regulates the resistance of rice (Oryza sativa) to the brown planthopper (BPH) Nilaparvata lugens (Stål). Yet, whether the exogenous application of GAs can enhance the resistance of rice to BPH remains unknown. Here, we investigated the influence of exogenous GA3 on both defense responses in rice and BPH performance. We found that pretreating rice with GA3 decreased transcript levels of a mitogen-activated protein kinase (MAPK) and three WRKY transcription factors, as well as levels of BPH-elicited jasmonic acid (JA) and three phenolic acids but increased the release of ethylene. Moreover, GA3 treatment negatively affected the survival and development of BPH nymphs as well as the fecundity of BPH female adults. These findings suggest that GA3 promotes the resistance of rice to BPH and may, thus, be used to improve pest management in rice.
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