Results 11 to 20 of about 109,212 (148)
【目的】 探讨番茄红素对脂多糖(LPS)所诱导的RAW264.7巨噬细胞炎症因子生成的影响及其作用的分子机制【方法】 分别用1510 μmol/L 的番茄红素孵育细胞1 h,再用1 μg/mL LPS 处理细胞不同时间,分别用Griess法和ELISA法检测RAW264.7巨噬细胞培养基中NO及IL-6的含量,用Western-blot检测核因子-κB(NF-κB) p65磷酸化和非磷酸化I-κBα丝裂原活化蛋白激酶(MAPKs)的蛋白表达量【结果】 番茄红素能有效地降低炎性因子NO和IL-6分泌 ...
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Effect of Low-Voltage Electrostatic Field Treatment on Postharvest Quality and Mitochondrial Redox Metabolism of Cherry Tomatoes(低压静电场处理对樱桃番茄采后品质及线粒体氧化还原代谢的影响) [PDF]
Low-voltage electrostatic field technology is a technique that can prolong the shelf life of fruits and vegetables. To explore its impact on the postharvest quality of fruits and vegetables, the effects of low-voltage electrostatic field (200mV and 300mV)
NIU Peirong(牛培荣) +5 more
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Regulatory Mechanism of bHLH47 on Jasmonic Acid Biosynthesis in Tomato Fruit(bHLH47对番茄果实茉莉酸合成的调控机制) [PDF]
Jasmonic acid (JA) is one of the key pathways through which plants resist pathogenic fungi such as Botrytis cinerea, however, the changes and regulatory mechanisms of JA during the ripening of tomato fruit remain poorly understood.
SHI Ruixi(师瑞茜) +4 more
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Radioprotective Effects of Black Tomato Powder in Mice After Whole Body Irradiation(黑番茄冻干粉对小鼠辐射防护作用的研究) [PDF]
The radioprotective effects and molecular mechanisms of black tomato powder (BTP) in mice were investigated in this study. ICR mice irradiated by 5Gy 60Coγ were treated with BTP (1.5,3.0, and 4.5g/kg body weight).
HAN Xiaolong(韩晓龙) +4 more
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腐植酸对肥料具有改性增效的作用,以番茄为供试材料,研究腐植酸增效剂不同添加量对番茄苗期生长及氮素代谢酶活性的影响,为腐植酸的开发应用提供参考依据。采用砂培试验方法,设置了向霍格兰营养液分别加入腐植酸增效剂0(HA0),1(HA1),2(HA2),5(HA3),10(HA4) mL/L处理。培养30天后,测定番茄的生长指标、植株养分含量、硝酸还原酶活性、谷氨酰胺合成酶和谷氨酸脱氢酶活性。添加适量腐植酸增效剂能促进番茄苗期生长,HA3处理番茄根系干重比HA0提高了31.68%,HA1处理番茄地上部干重最大 ...
刘敏 +4 more
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Research Progress on Extraction Techniques of Natural Lycopene(天然番茄红素提取工艺研究进展) [PDF]
Lycopene is a food coloring agent and the outstanding antioxidant and anticancer properties of lycopene make it an ideal component for daily food supplements.
LIN Zehua(林泽华) +1 more
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以传统水氮管理为对照,分别采用氮素实时监控技术对保护地番茄主要生育期进行氮素追施优化管理,同时结合小管出流的灌溉方式及夏季休闲季添加小麦秸秆-氰氨化钙的优化水氮管理处理并根据课题组同一地区多年的番茄氮素优化管理经验得出的推荐水氮管理处理,即将氮素追施量定为N 300 kg/hm2,在番茄第一、三、五穗果实膨大期各追施N100 kg/hm2,比较研究了不同水氮管理措施对保护地番茄产量及土壤无机氮的影响。结果表明:与传统水氮管理相比,在保证番茄产量的前提下,优化水氮管理和推荐水氮管理两季番茄分别减少了63 ...
GAO, LI, CHEN, LIU, HE
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将乙肝病毒表面抗原 (HBs Ag)基因与 Ca MV3 5 s启动子及 nos终止子构建植物表达载体 p1 3 0 1 HBs,直接法转入根癌农杆菌 EHA1 0 5 (Agrobacterium tumefaciens) ,以该菌株介导叶盘法转化番茄 ,得到抗潮霉素的再生植株 .抗性苗总 DNA经 PCR、Southern斑点杂交证实目的基因已整合到番茄基因组中 ,EILSA检测证明在番茄中正确表达了乙肝表面抗原蛋白
张军 +5 more
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克隆番茄SlWRKY1基因,构建植物过量表达载体pBI121-35S∷SlWRKY1并通过农杆菌介导的遗传转化法转化番茄,成功获得3株过量表达的转基因植株.研究发现:转基因植株对丁香假单胞菌番茄变种(Pst DC3000)的感染表现出敏感性,表明SlWRKY1基因可以减弱由Pst DC3000引起的植物防御反应,在相关信号通路中起到负调控作用.同时SlWRKY1转基因植株对盐胁迫表现出抗逆性,在胁迫条件下转基因植物中积累了大量的脯氨酸.推测SlWRKY1基因可能参与番茄脯氨酸代谢调控.
张凝, 高永峰, 孙晓春, 刘永胜
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