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2篇 您的检索式:作者名="Zhaoqun Li"
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1(E)-Nerolidol is a volatile signal that induces defenses against insects and pathogens in tea plants显示文摘Plants release large amounts of volatile organic compounds(VOCs)in response to attackers.Several VOCs can serve as volatile signals to elicit defense responses in undamaged tissues and neighboring plants,but many questions about the ecological functions of VOCs remain unanswered.Tea plants are impacted by two harmful invaders,the piercing herbivore Empoasca(Matsumurasca)onukii Matsuda and the pathogen Colletotrichum fructicola.To determine the VOC signals in tea,we confirmed CsOPR3 as a marker gene and set up a rapid screening method based on a 1.51 kb CsOPR3 promoter fused with aβ-glucuronidase(GUS)reporter construct(OPR3p::GUS)in Arabidopsis.Using this screening system,a terpenoid volatile(E)-nerolidol was identified as a potent signal that elicits plant defenses.The early responses triggered by(E)-nerolidol included the activation of a mitogen-activated protein kinase and WRKY,an H2O2 burst,and the induction of jasmonic acid and abscisic acid signaling.The induced plants accumulated high levels of defenserelated chemicals,which possessed broad-spectrum anti-herbivore or anti-pathogen properties,and ultimately triggered resistance against Empoasca onukii and Colletotrichum fructicola in tea.We propose that these findings can supply an environmentally friendly management strategy for controlling an insect pest and a disease of tea plants.Shenglong Chen Liping Zhang Xiaoming Cai Xin Li Lei Bian Zongxiu Luo Zhaoqun Li Zongmao Chen Zhaojun Xin 2020Horticulture Research2020,7,1:12
2FMT:A Potential Therapeutic and Rehabilitative Intervention for COVID-19显示文摘Coronavirus disease 2019(COVID-19),which was outbreak in December 2019 Wuhan,China,has spread to more than 100 countries.In addition to respiratory symptoms,COVID-19 can also cause some digestive symptoms such as nausea and diarrhea.As a variety of respiratory diseases which are associated with a dysbiosis in both airway microbiota and the intestinal microbiota,COVID-19 may cause digestive symptoms through a constant cross-talk between the system which is known as the Gut_Lung Axis.Additionally,lymphopenia and hypercytokinemia were also common in COVID-19 patients which suggest that COVID-19 could compromise the immune system.Given the fact that gut microbiota not only could maintain immune homeostasis and immune responses at local mucosal surfaces,but also has distal protective effects and protect against respiratory virus.FMT is an effective way to enhance immunity and would be a potential therapy for individuals with viral infection.However,currently no direct clinical evidence proved that modulation of gut microbiota has the therapeutic role in treatment of COVID-19,from the perspective of microbiota and immunity after viral infection,we speculate that targeting gut microbiota might be a new therapeutic option or at least adjuvant therapeutic choice.In this Personal View,we describe the five aspects:COVID-19 and compromised immunity system,Microbiota,immune system and viral infection,FMT,immunity and virus infection,potential application of FMT in the treatment of COVID-19.Fengqiong Liu Shanliang Ye Jingsu Wang Xin Zhu Yuanfei Liu Yong Li Zhaoqun Deng 2020Journal of Clinical and Nursing Research2020,4,6:0
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