The Experts below are selected from a list of 3774 Experts worldwide ranked by ideXlab platform

Bo Qin - One of the best experts on this subject based on the ideXlab platform.

  • codonopilate a a triterpenyl ester as main autotoxin in cultivated soil of Codonopsis pilosula franch nannf
    Journal of Agricultural and Food Chemistry, 2017
    Co-Authors: Min Xie, Zhiqiang Yan, Xia Ren, Bo Qin
    Abstract:

    Codonopilate A (1), a triterpenyl ester, was isolated from monocultivated soil of annual Codonopsis pilosula and identified as the main autotoxin. The yield ratio of codonopilate A in dried soil was calculated as 2.04 μg/g. Other two triterpenoids, taraxeryl acetate (2) and 24-methylenecycloartanol (3), were isolated and identified as well showing weaker autotoxity. This was the first time that the potential allelochemicals and autotoxins in the cultivated soil of Codonopsis pilosula were reported. Accumulation of reactive oxygen species (ROS) induced by the autotoxins in the root tips of Codonopsis pilosula was considered as an important factor for the phytotoxic effect. This work systematically investigates the allelopathic and autotoxic effect of Codonopsis pilosula, and the preliminary autotoxic action mode of the three autotoxins. These findings are helpful to understand the molecular mechanism of autotoxicity and conducive to explore proper ways to degrade the autotoxins and eliminate the replanting...

  • Codonopilate A, a Triterpenyl Ester as Main Autotoxin in Cultivated Soil of Codonopsis pilosula (Franch.) Nannf
    2017
    Co-Authors: Min Xie, Zhiqiang Yan, Xia Ren, Bo Qin
    Abstract:

    Codonopilate A (1), a triterpenyl ester, was isolated from monocultivated soil of annual Codonopsis pilosula and identified as the main autotoxin. The yield ratio of codonopilate A in dried soil was calculated as 2.04 μg/g. Other two triterpenoids, taraxeryl acetate (2) and 24-methylenecycloartanol (3), were isolated and identified as well showing weaker autotoxity. This was the first time that the potential allelochemicals and autotoxins in the cultivated soil of Codonopsis pilosula were reported. Accumulation of reactive oxygen species (ROS) induced by the autotoxins in the root tips of Codonopsis pilosula was considered as an important factor for the phytotoxic effect. This work systematically investigates the allelopathic and autotoxic effect of Codonopsis pilosula, and the preliminary autotoxic action mode of the three autotoxins. These findings are helpful to understand the molecular mechanism of autotoxicity and conducive to explore proper ways to degrade the autotoxins and eliminate the replanting problems of Codonopsis pilosula

Jian-ping Gao - One of the best experts on this subject based on the ideXlab platform.

  • Three Inulin-Type Fructans from Codonopsis pilosula (Franch.) Nannf. Roots and Their Prebiotic Activity on Bifidobacterium longum
    MDPI AG, 2018
    Co-Authors: Xin Zhang, Ling-ya Cao, Jian-ping Gao
    Abstract:

    Radix Codonopsis, derived from the roots of Codonopsis pilosula (Franch.) Nannf., Codonopsis pilosula (Franch.) Nannf. Var. modesta (Nannf.) L.T. Shen and Codonopsis tangshen Oliv., has been used as traditional Chinese medicine for improving poor gastrointestinal function, treating gastric ulcers and chronic gastritis in China. Inulin-type fructans are carbohydrates consisting mainly of β (2→1) fructosyl-fructose links in chemical structure and exhibit a range of properties such as prebiotic activity, fat substitutes in low-calorie foods and disease-modifying effects. The prebiotic effects of inulin-type fructans are hypothesized to improve gastrointestinal function through alterations to gut microbiota composition and metabolism. In the present study, three inulin-type fructans with high degree of polymerization (DP = 16, 22, and 31) were isolated from the roots of Codonopsis pilosula (Franch.) Nannf. and their structures were confirmed by MALDI-TOF-MS, 1D- and 2D-NMR. The prebiotic activity of these fructans was evaluated by detecting growth stimulation on Bifidobacterium longum. The results demonstrated that three fructans at a concentration of 2.0 g/L exhibited significant growth stimulation on Bifidobacterium longum in a time-dependent manner (p < 0.01). The data indicated that inulin-type fructans in Radix Codonopsis could be used as potential prebiotics

  • AFLP and HPLC Fingerprints Analysis of Codonopsis Species from Original Areas and the Same Planting Base
    Journal of Chinese medicinal materials, 2016
    Co-Authors: Ling-ya Cao, Lin-jing Guan, Jing Yang, Jian-ping Gao
    Abstract:

    Objective To investigate the influence of environment on the genetic structure and chemical ingredients of different Codonopsis species. Methods Amplified fragment length polymorphism( AFLP) molecular markers were used to analyze the genetic polymorphism of Codonopsis species from 24 different populations,and high performance liquid chromatography( HPLC) fingerprints were performed to analyze the chemical ingredients of 10 batches of Codonopsis roots. Results According to species classification,the 24 populations were categorized into three groups by UPGMA cluster method. The samples of Codonopsis pilosula var. modesta introduced from Wenxian( Gansu Province) and Jiuzhaigou County( Sichuan Province) were clustered into Group Ⅰ. The Codonopsis tangshen population introduced from Banqiao( Hubei Province) was clustered into Group Ⅱ. The populations from Codonopsis pilosula introduced to Shanxi Province GAP base,and the wild and cultured populations of Codonopsis pilosula collected from Shanxi Province were into Group Ⅲ. The similarity of HPLC fingerprints among three Codonopsis species introduced into the same environment was over 0. 8. Conclusion Genetic differences of three Codonopsis species from original areas and Codonopsis species introduced into Shanxi Province were caused by their inter-species genetic characteristic. Meanwhile, the similarities of genetic backgrounds in Codonopsis species were related to geographic space, and chemical ingredients of Codonopsis were easily influenced by the cultivation environment.

  • Length distribution of Codonopsis pilosula unigenes.
    2015
    Co-Authors: Jian-ping Gao, Ling-ya Cao, Dong Wang, Hai Feng Sun
    Abstract:

    Length distribution of Codonopsis pilosula unigenes.

  • Predominant unigenes in Codonopsis pilosula transcriptome library.
    2015
    Co-Authors: Jian-ping Gao, Ling-ya Cao, Dong Wang, Hai Feng Sun
    Abstract:

    Predominant unigenes in Codonopsis pilosula transcriptome library.

  • COG functional classification of Codonopsis pilosula transcriptome.
    2015
    Co-Authors: Jian-ping Gao, Ling-ya Cao, Dong Wang, Hai Feng Sun
    Abstract:

    COG functional classification of Codonopsis pilosula transcriptome.

Min Xie - One of the best experts on this subject based on the ideXlab platform.

  • codonopilate a a triterpenyl ester as main autotoxin in cultivated soil of Codonopsis pilosula franch nannf
    Journal of Agricultural and Food Chemistry, 2017
    Co-Authors: Min Xie, Zhiqiang Yan, Xia Ren, Bo Qin
    Abstract:

    Codonopilate A (1), a triterpenyl ester, was isolated from monocultivated soil of annual Codonopsis pilosula and identified as the main autotoxin. The yield ratio of codonopilate A in dried soil was calculated as 2.04 μg/g. Other two triterpenoids, taraxeryl acetate (2) and 24-methylenecycloartanol (3), were isolated and identified as well showing weaker autotoxity. This was the first time that the potential allelochemicals and autotoxins in the cultivated soil of Codonopsis pilosula were reported. Accumulation of reactive oxygen species (ROS) induced by the autotoxins in the root tips of Codonopsis pilosula was considered as an important factor for the phytotoxic effect. This work systematically investigates the allelopathic and autotoxic effect of Codonopsis pilosula, and the preliminary autotoxic action mode of the three autotoxins. These findings are helpful to understand the molecular mechanism of autotoxicity and conducive to explore proper ways to degrade the autotoxins and eliminate the replanting...

  • Codonopilate A, a Triterpenyl Ester as Main Autotoxin in Cultivated Soil of Codonopsis pilosula (Franch.) Nannf
    2017
    Co-Authors: Min Xie, Zhiqiang Yan, Xia Ren, Bo Qin
    Abstract:

    Codonopilate A (1), a triterpenyl ester, was isolated from monocultivated soil of annual Codonopsis pilosula and identified as the main autotoxin. The yield ratio of codonopilate A in dried soil was calculated as 2.04 μg/g. Other two triterpenoids, taraxeryl acetate (2) and 24-methylenecycloartanol (3), were isolated and identified as well showing weaker autotoxity. This was the first time that the potential allelochemicals and autotoxins in the cultivated soil of Codonopsis pilosula were reported. Accumulation of reactive oxygen species (ROS) induced by the autotoxins in the root tips of Codonopsis pilosula was considered as an important factor for the phytotoxic effect. This work systematically investigates the allelopathic and autotoxic effect of Codonopsis pilosula, and the preliminary autotoxic action mode of the three autotoxins. These findings are helpful to understand the molecular mechanism of autotoxicity and conducive to explore proper ways to degrade the autotoxins and eliminate the replanting problems of Codonopsis pilosula

Hai Feng Sun - One of the best experts on this subject based on the ideXlab platform.

Ling-ya Cao - One of the best experts on this subject based on the ideXlab platform.

  • Three Inulin-Type Fructans from Codonopsis pilosula (Franch.) Nannf. Roots and Their Prebiotic Activity on Bifidobacterium longum
    MDPI AG, 2018
    Co-Authors: Xin Zhang, Ling-ya Cao, Jian-ping Gao
    Abstract:

    Radix Codonopsis, derived from the roots of Codonopsis pilosula (Franch.) Nannf., Codonopsis pilosula (Franch.) Nannf. Var. modesta (Nannf.) L.T. Shen and Codonopsis tangshen Oliv., has been used as traditional Chinese medicine for improving poor gastrointestinal function, treating gastric ulcers and chronic gastritis in China. Inulin-type fructans are carbohydrates consisting mainly of β (2→1) fructosyl-fructose links in chemical structure and exhibit a range of properties such as prebiotic activity, fat substitutes in low-calorie foods and disease-modifying effects. The prebiotic effects of inulin-type fructans are hypothesized to improve gastrointestinal function through alterations to gut microbiota composition and metabolism. In the present study, three inulin-type fructans with high degree of polymerization (DP = 16, 22, and 31) were isolated from the roots of Codonopsis pilosula (Franch.) Nannf. and their structures were confirmed by MALDI-TOF-MS, 1D- and 2D-NMR. The prebiotic activity of these fructans was evaluated by detecting growth stimulation on Bifidobacterium longum. The results demonstrated that three fructans at a concentration of 2.0 g/L exhibited significant growth stimulation on Bifidobacterium longum in a time-dependent manner (p < 0.01). The data indicated that inulin-type fructans in Radix Codonopsis could be used as potential prebiotics

  • AFLP and HPLC Fingerprints Analysis of Codonopsis Species from Original Areas and the Same Planting Base
    Journal of Chinese medicinal materials, 2016
    Co-Authors: Ling-ya Cao, Lin-jing Guan, Jing Yang, Jian-ping Gao
    Abstract:

    Objective To investigate the influence of environment on the genetic structure and chemical ingredients of different Codonopsis species. Methods Amplified fragment length polymorphism( AFLP) molecular markers were used to analyze the genetic polymorphism of Codonopsis species from 24 different populations,and high performance liquid chromatography( HPLC) fingerprints were performed to analyze the chemical ingredients of 10 batches of Codonopsis roots. Results According to species classification,the 24 populations were categorized into three groups by UPGMA cluster method. The samples of Codonopsis pilosula var. modesta introduced from Wenxian( Gansu Province) and Jiuzhaigou County( Sichuan Province) were clustered into Group Ⅰ. The Codonopsis tangshen population introduced from Banqiao( Hubei Province) was clustered into Group Ⅱ. The populations from Codonopsis pilosula introduced to Shanxi Province GAP base,and the wild and cultured populations of Codonopsis pilosula collected from Shanxi Province were into Group Ⅲ. The similarity of HPLC fingerprints among three Codonopsis species introduced into the same environment was over 0. 8. Conclusion Genetic differences of three Codonopsis species from original areas and Codonopsis species introduced into Shanxi Province were caused by their inter-species genetic characteristic. Meanwhile, the similarities of genetic backgrounds in Codonopsis species were related to geographic space, and chemical ingredients of Codonopsis were easily influenced by the cultivation environment.

  • Length distribution of Codonopsis pilosula unigenes.
    2015
    Co-Authors: Jian-ping Gao, Ling-ya Cao, Dong Wang, Hai Feng Sun
    Abstract:

    Length distribution of Codonopsis pilosula unigenes.

  • Predominant unigenes in Codonopsis pilosula transcriptome library.
    2015
    Co-Authors: Jian-ping Gao, Ling-ya Cao, Dong Wang, Hai Feng Sun
    Abstract:

    Predominant unigenes in Codonopsis pilosula transcriptome library.

  • COG functional classification of Codonopsis pilosula transcriptome.
    2015
    Co-Authors: Jian-ping Gao, Ling-ya Cao, Dong Wang, Hai Feng Sun
    Abstract:

    COG functional classification of Codonopsis pilosula transcriptome.