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次生代谢物合成
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  secondary metabolite production
     Puerarin content in hairy roots harboring ags gene was lower than that in those without ags gene, suggesting that the detriment of ags gene to secondary metabolite production.
     含有ags基因的毛状根葛根素含量低于不含ags基因的毛状根葛根素含量 ,表明ags基因不利于次生代谢物合成 .
短句来源
  “次生代谢物合成”译为未确定词的双语例句
     Dynamic changes of secondary metabolites in Eucommia ulmoides male flower
     杜仲雄花中次生代谢物合成积累的动态变化
短句来源
     transcription factor genes involved in plant secondary metabolism, transcriptional control of plant secondary metabolism, and the application of transcription factor gene engineering in genetic improvement of secondary metabolites.
     转录因子可激活次生代谢物合成途径中多个基因协同表达,从而有效启动次生代谢途径。 因此,转录因子为揭示植物次生代谢调控机制提供重要工具,转录因子的基因工程可为植物次生代谢的遗传改良提供有效的手段。
短句来源
     Study on the relation between the dynamic accumulation of secondary metabolites and the phenological period of Eucommia ulmoides Oliv.
     杜仲次生代谢物合成积累与物候期的研究
短句来源
     The secondary metabolites of Eucommia ulmoides were measured with leaves harvested in different months both in north subtropical zone and in south temperature zone.
     通过对南温带和北亚热带生长的杜仲不同月份次生代谢物含量与物候期关系的研究,发现杜仲次生代谢物合成积累的第一次高峰期出现在 芽开绽期 后的70d左右;
短句来源
     This article studied the effects of Tween-80 on the growth of hairy roots and the synthesis and release of second substances,which was added into the Pueraria lobata hairy roots suspension culture medium with different concentrations.
     将不同浓度的吐温 - 80添加到野葛毛状根悬浮培养液中 ,研究在一定的作用时间内其对毛状根生长及次生代谢物合成与分泌的影响。
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  相似匹配句对
     (2) secondary metabolite synthesis;
     (2)次生代谢物合成
短句来源
     Study on the relation between the dynamic accumulation of secondary metabolites and the phenological period of Eucommia ulmoides Oliv.
     杜仲次生代谢物合成积累与物候期的研究
短句来源
     Dynamic changes of secondary metabolites in Eucommia ulmoides male flower
     杜仲雄花中次生代谢物合成积累的动态变化
短句来源
     N,N,N?
     合成了 N,N,N?
短句来源
     Coumarin fluorescent dyes such as C.
     合成了C.
短句来源
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  secondary metabolite production
In many gram-negative bacteria, AHL are the key factors responsible for density-dependent regulation of exoenzyme and secondary metabolite production; they also participate in interaction between bacteria and higher organisms.
      
With the aim of increasing of the secondary metabolite production hairy root cultures were produced (by direct infection of the sterile plants with Agrobacterium rhizogenes strain R1601).
      
The scope of this work is to review the state of the art in bioprocessing technologies pertinent to the secondary metabolite production from suspension cultures of callus cells.
      
Optimization of secondary metabolite production using singular approximation and minimum principle
      
Meyer) hairy root cultures, established by infecting ginseng root discs with Agrobacterium rhizogenes, were used for secondary metabolite production.
      
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An ecological study was carried out on secondary metabolites(bioactive constituents) in the leaves of Eucommia ulmoides through determining the contents of the metabolites and ecological factors in the leaves collected from different regions.The results were as follows:\;The contents of metabolites in the leaves collected from different regions showed significant differences.The leaves collected from Zunyi contained the highest contents of geniposide,chlorogenic acid,aucubin,and flavonoids.Geniposidic acid...

An ecological study was carried out on secondary metabolites(bioactive constituents) in the leaves of Eucommia ulmoides through determining the contents of the metabolites and ecological factors in the leaves collected from different regions.The results were as follows:\;The contents of metabolites in the leaves collected from different regions showed significant differences.The leaves collected from Zunyi contained the highest contents of geniposide,chlorogenic acid,aucubin,and flavonoids.Geniposidic acid reached the highest content in the leaves from Cili.The leaves from Luoyang showed the lowest content of geniposide.The contents of chlorogenic acid,aucubin,geniposidic acid and flavonoids were the lowest in the leaves from Yichang,but hightest gutta percha.These showed that ecological factor was also an improtant one in regulating secondary metabolism.\;Stepwise regression analysis and path analysis indicated that the major factor influencing the synthesis and accumulation of metabolites was the contents of trace elements,meteorological factor however,showed little influence.The relationship between the contents of available trace elements in the soil and in the leaves was not in completely direct correlation.Different results were obtained in stepwise regression analysis and path analyses when the contents of trace elements in the soil and in the leaves were used as the main factors respectively.\;Through systematic cluster and fuzzy complex discrimination,it was concluded that the contents of secondary metabolites were high in the leaves from Zunyi(Guizhou Province),Cili(Hunan Province),Lueyang(Shaanxi Province),Tongjiang(Sichuan Province).

通过对不同产地杜仲叶中次生代谢物( 有效成分)含量的测定及其生态因素分析,对杜仲叶次生代谢物进行了生态学研究,结果表明:不同产地杜仲叶次生代谢物含量差异显著:遵义地区的京尼平甙、绿原酸、桃叶栅瑚甙、总黄酮含量最高,慈利地区的京尼平甙酸含量最高;洛阳地区的京尼平甙含量最低,宜昌地区的绿原酸、桃叶珊瑚甙、总黄酮、京尼平甙酸含量最低,但杜仲胶含量最高,从而说明了生态因素也是调控次生代谢物的重要因素。对各生态因子进行逐步回归分析和通径分析的结果表明:影响杜仲叶次生代谢物合成与积累的主要因素是微量元素;土壤中微量元素( 有效态) 与杜仲( 叶) 中微量元素( 植物吸收) 不完全呈正相关关系;以两者为主因素各进行的逐步回归分析和通径分析的结果不一致。通过系统聚类分析和模糊综合评判得出:贵州遵义、湖南慈利、陕西略阳、四川通江4 个地区杜仲叶中次生代谢物含量较高

Direct in vitro infection of leaves in vitro of three puerarae plants, Pueraria lobata (Willd.) Ohwi.,P. lobata var. montana (Lour.) van der Maesen. and P.phaseoloides (Roxb.) Benth.,with R1601 strain of Agrobacterium rhizogenes induced hairy roots with the capacity to produce puerarin. Hair roots cultured in vitro showed two morphologies: One was typical hairy roots with high puerarin content, and the other was callus-like hairy roots with low puerarin content and fast growth. Rol B gene in all typical and...

Direct in vitro infection of leaves in vitro of three puerarae plants, Pueraria lobata (Willd.) Ohwi.,P. lobata var. montana (Lour.) van der Maesen. and P.phaseoloides (Roxb.) Benth.,with R1601 strain of Agrobacterium rhizogenes induced hairy roots with the capacity to produce puerarin. Hair roots cultured in vitro showed two morphologies: One was typical hairy roots with high puerarin content, and the other was callus-like hairy roots with low puerarin content and fast growth. Rol B gene in all typical and callus-like hairy roots indicted that rol genes were necessary for induction of all transformed roots showing typical hairy root and callus-like morphologies. Aux1 gene, existed in all callus-like hairy roots but only in 20%~50% typical hairy roots, suggested a significant role of aux genes in induction of callus on transformed roots. Puerarin content in hairy roots harboring ags gene was lower than that in those without ags gene, suggesting that the detriment of ags gene to secondary metabolite production. Tab 3, Ref 12

野葛、山葛和三裂叶葛的离体叶片与发根农杆菌R16 0 1直接感染诱导出毛状根并能够合成葛根素 ,毛状根离体培养后均出现两种形态 :一种是有较高的葛根素含量的典型毛状根 ,另一种是葛根素含量低但生长速率较快的愈伤组织化毛状根 .两类毛状根均有rolB基因存在 ,表明rolB基因对所有毛状根的诱导和生长是必需的 .aux1存在于所有愈伤组织化毛状根 ,而在典型毛状根中的检出率为 2 0 %~ 5 0 % ,表明aux1基因有诱导毛状根产生愈伤组织的作用 .含有ags基因的毛状根葛根素含量低于不含ags基因的毛状根葛根素含量 ,表明ags基因不利于次生代谢物合成 .表3参 12

Through determining the contents of secondary metabolites (bioactive constituents) and 6 mineral elements in the leaves of 40 different clones growing in the same site type, we have studied the differences of the active absorbtion of the elements and their relationship with the contents of metabolites. It has been found that great differences exist among the individuals in the ability of actively absorbing mineral elements,indicating that the growth features of individuals (genetic factors) are important factors...

Through determining the contents of secondary metabolites (bioactive constituents) and 6 mineral elements in the leaves of 40 different clones growing in the same site type, we have studied the differences of the active absorbtion of the elements and their relationship with the contents of metabolites. It has been found that great differences exist among the individuals in the ability of actively absorbing mineral elements,indicating that the growth features of individuals (genetic factors) are important factors in regulating the absorbtion of mineral elements. Path analysis on the mineral elements and the contents of metabolites shows that Mg can promote the synthesis and accumulation of metabolites.Mn plays a negative function in the metabolism process.

通过对同一立地条件下生长的 40个杜仲无性系叶中次生代谢物 (有效成分 )及吸收的 6种矿质元素的测定 ,初步研究了矿质元素主动吸收的差异性及其与次生代谢物含量的关系。结果发现 ,不同个体对矿质元素的吸收差异极显著 ,从而说明个体生长发育特性 (遗传因素 )是调控树木吸收矿质元素的重要因素 ;对 6种矿质元素与次生代谢物含量的通径分析结果显示 ,镁 (Mg)对杜仲叶中 6种次生代谢物的合成和积累有一定的促进作用 ,而锰 (Mn)则有负影响作用。

 
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