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Ma J, Sun L, Zhao H, Wang Z, Zou L, Cao C. Functional identification and characterization of GST genes in the Asian gypsy moth in response to poplar secondary metabolites. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 176:104860. [PMID: 34119211 DOI: 10.1016/j.pestbp.2021.104860] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 03/29/2021] [Accepted: 04/25/2021] [Indexed: 06/12/2023]
Abstract
The Asian gypsy moth, Lymantria dispar, as one of the most important forest pests in the world, can feed on more than 500 species of host plants, causing serious damage to the forests. Poplar is one of the favorite host plants of L. dispar. The present study aimed to explore the effects of poplar secondary metabolites on the growth and detoxification function of L. dispar larvae. We also aimed to study the expression of glutathione S-transferase (GST) genes in different developmental stages and in response to treatment with secondary metabolites. Six kinds of main secondary metabolites and three groups of characteristic mixed secondary metabolites were selected as follows: Caffeic acid, salicin, rutin, quercetin, catechol, flavone, mixture 1 (salicin and flavone), mixture 2 (salicin, caffeic acid and catechol), and mixture 3 (flavone, caffeic acid and catechol) according to the content changes of secondary metabolites in poplar. The thirteen GST genes were selected as candidate genes to study the expression of GST genes in different developmental stages and after treatment with secondary metabolites using quantitative real-time reverse transcription PCR. The LdGSTe4 and LdGSTo1 genes could be induced by secondary metabolites and were screened to explore their detoxification function against secondary metabolites using RNA interference technology. The results showed that salicin and rutin significantly induced the expression of LdGSTe4 and LdGSTo1. Under the stress of secondary metabolites, LdGSTe4 silencing affected the adaptability of L. dispar larvae to salicin and rutin. LdGSTe4 silencing resulted in a significant decrease in the body weight of L. dispar, but had little effect on the relative growth rate, relative consumption rate, efficiency of conversion of ingested food, efficiency of conversion of digested food, and approximate digestibility, as well as the survival rate and development time. These results provide a deeper understanding of the adaptive mechanism of L. dispar to host plants, form the foundation for the further research into the host resistance mechanism, and identify target genes for breeding resistant transgenic poplar.
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Affiliation(s)
- Jingyi Ma
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin 150040, PR China
| | - Lili Sun
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin 150040, PR China
| | - Hongying Zhao
- Institute of Forestry Protection, Heilongjiang Forestry Academy, Harbin 150081, PR China
| | - Zhenyue Wang
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin 150040, PR China
| | - Li Zou
- School of Forestry, Northeast Forestry University, Harbin 150040, PR China.
| | - Chuanwang Cao
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin 150040, PR China.
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Ma S, Ma T, Ren M, Li H, Ma Z. Insecticidal action of the botanical insecticide wilforine on Mythimna separata (Walker) related with the changes of ryanodine receptor expression. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 213:112025. [PMID: 33578098 DOI: 10.1016/j.ecoenv.2021.112025] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 01/29/2021] [Accepted: 02/01/2021] [Indexed: 06/12/2023]
Abstract
The detailed molecular mechanism of wilforine, a novel botanical insecticidal component, remains unclear, except for the knowledge that it affects the calcium signaling pathway. The aim of the current study was to examine the underlying molecular mechanism of wilforine in Mythimna separata (Walker) by transcriptome and RNA interference (RNAi), with chlorantraniliprole as control. RNA sequencing showed that the relative expression of genes related to the calcium signaling pathway and muscle contraction in M. separata treated with wilforine significantly changed and was further validated by qRT-PCR. Interestingly, the expression level of the ryanodine receptor (MsRyR) gene was downregulated by wilforine at relatively high concentrations and long treatment time, contrary to that observed using chlorantraniliprole. Furthermore, a putative MsRyR was cloned using a 16,258-bp contiguous sequence containing a 308-bp 5'-untranslated region and 578-bp 3'-untranslated region by RT-PCR and RACE. The results of the RNAi experiment showed that injection of dsMsRyR significantly reduced MsRyR mRNA levels, and growth and development were inhibited. Importantly, silencing of the MsRyR gene resulted in decreased susceptibility to both wilforine and chlorantraniliprole. Together with the results of our previous studies on toxic symptoms and muscle tissue lesions between wilforine and chlorantraniliprole, we propose that RyR Ca2+ release channel dysfunction is closely related with significant lethal mechanisms of wilforine.
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Affiliation(s)
- Shujie Ma
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi Province 712100, China; College of Plant Protection, Hebei Agricultural University, Baoding, Hebei Province 071001, China
| | - Ting Ma
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi Province 712100, China
| | - Meiru Ren
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei Province 071001, China
| | - Hai Li
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi Province 712100, China
| | - Zhiqing Ma
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi Province 712100, China.
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Zhang Y, Mao X, Li W, Chen W, Wang X, Ma Z, Lin N. Tripterygium wilfordii: An inspiring resource for rheumatoid arthritis treatment. Med Res Rev 2020; 41:1337-1374. [PMID: 33296090 DOI: 10.1002/med.21762] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/02/2020] [Accepted: 11/22/2020] [Indexed: 12/22/2022]
Abstract
Tripterygium wilfordii Hook F (TwHF)-based therapy is among the most efficient and crucial therapeutics for the treatment of rheumatoid arthritis (RA), which indicates that TwHF is a potential source of novel anti-RA drugs. However, accumulating studies have observed that TwHF-based therapy induces multi-organ toxicity, which prevents the wide use of this herb in clinical practice, although several recent studies have attempted to reduce the toxicity of TwHF. Notably, our research group developed a "Clinical Practice Guideline for Tripterygium Glycosides/Tripterygium wilfordii Tablets in the Treatment of Rheumatoid Arthritis" (No. T/CACM 1337-2020) approved by the China Association of Chinese Medicine to standardize the clinical application of TwHF-based therapy and thus avoid adverse effects. Although great strides have been made toward the characterization of TwHF-based therapy and revealing its underlying pharmacological and toxicological mechanisms, several crucial gaps in knowledge remain as potential barriers to enhance its therapeutic effects on the premise of safety assurance. This review offers a global view of TwHF, ranging from its chemical constituents, quality control, clinical observations, and underlying pharmacological mechanisms to toxic manifestations and mechanisms. We focus on the important and emerging aspects of this field and highlight the major challenges and strategies for using novel techniques and approaches to gain new insights into unresolved questions. We hope that this review will improve the understanding of TwHF application and draw increasing interdisciplinary attention from clinicians that practice both Chinese and Western medicine, basic researchers, and computer scientists.
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Affiliation(s)
- Yanqiong Zhang
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xia Mao
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Weijie Li
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wenjia Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaoyue Wang
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zhaochen Ma
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Na Lin
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
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Ma S, Liu J, Lu X, Zhang X, Ma Z. Effect of Wilforine on the Calcium Signaling Pathway in Mythimna separata Walker Myocytes Using the Calcium Imaging Technique. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:13751-13757. [PMID: 31721577 DOI: 10.1021/acs.jafc.9b05592] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Although the action site of wilforine is located in the muscle tissue of insects, the insecticidal mechanism of wilforine is not yet clear. This research explored the effects of wilforine on the calcium signaling pathway using the calcium imaging technique to reveal the insecticidal mechanism. It was confirmed that wilforine had strong cytotoxicity to Mythimna separata myocytes with the IC50 values of 25.14 and 19.65 mg/L using CCK-8 and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide methods, respectively. The morphological development of M. separata myocytes was also affected. The calcium imaging technique showed that the intracellular calcium ion concentration ([Ca2+]i) increased by 23.45% of the initial value after being treated with 100 nM wilforine. However, wilforine did not increase [Ca2+]i after the myocytes were preincubated with thapsigargin, and the [Ca2+]i could not be decreased by 50 μM ryanodine after being treated with 100 nM wilforine. These results indicated that the targets of wilforine are located in the sarcoplasmic reticulum, and ryanodine receptor (RyR) is an important action target of wilforine. Furthermore, wilforine can also activate the inositol triphosphate receptor (IP3R), which was confirmed through the use of 2-aminoethyl diphenylborinate, an inhibitor of IP3R. Connected with previous research studies, it can be concluded that wilforine affects the calcium signaling pathway by combining with RyR and IP3R, causing calcium dyshomeostasis, which results in insect paralysis and death.
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Affiliation(s)
- Shujie Ma
- Research & Development Center of Biorational Pesticide , Northwest A & F University , Yangling 712100 , China
- College of Plant Protection , Hebei Agricultural University , Baoding 071001 , China
| | - Jiahuan Liu
- Research & Development Center of Biorational Pesticide , Northwest A & F University , Yangling 712100 , China
| | - Xiaopeng Lu
- Research & Development Center of Biorational Pesticide , Northwest A & F University , Yangling 712100 , China
| | - Xing Zhang
- Research & Development Center of Biorational Pesticide , Northwest A & F University , Yangling 712100 , China
| | - Zhiqing Ma
- Research & Development Center of Biorational Pesticide , Northwest A & F University , Yangling 712100 , China
- Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau , Ministry of Agriculture , Yangling 712100 , China
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Ma S, Liu L, Dou M, Ma Z, Zhang X. Comparative studies on muscle microstructure and ultrastructure of Mythimna separata Walker treated with wilforgine and chlorantraniliprole. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 147:1023-1034. [PMID: 29976005 DOI: 10.1016/j.ecoenv.2017.09.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 09/18/2017] [Accepted: 09/26/2017] [Indexed: 06/08/2023]
Abstract
We attempted to elucidate the comparative effects between wilforgine and chlorantraniliprole on the microstructure/ultrastructure of muscle tissue in Mythimna separate larvae. The typical toxicity symptoms of M. separata larvae upon wilforgine treatment was feeding cessation and flaccid paralysis, whereas feeding cessation and contraction paralysis were the main poisoning symptoms wrought by chlorantraniliprole. Light-microscopy observations showed that the microstructure of muscle tissue could be damaged by wilforgine and chlorantraniliprole, and the death of insects was associated with muscle lesions. Muscle tissue was loose after wilforgine treatment but constricted muscle tissue was observed upon chlorantraniliprole treatment. Transmission electron microscopy showed that wilforgine and chlorantraniliprole could disrupt endomembranes and plasma membranes. These results suggest that wilforgine can induce microstructural and ultrastructural changes in the muscles of M. separata larvae; the sites of action are proposed to be calcium receptors or channels in the muscular system.
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Affiliation(s)
- Shujie Ma
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, China
| | - Lin Liu
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, China
| | - Minxiang Dou
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, China
| | - Zhiqing Ma
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, China; Research Center of Biopesticide Technology and Engineering, Yangling, Shaanxi Province 712100, China.
| | - Xing Zhang
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, China; Research Center of Biopesticide Technology and Engineering, Yangling, Shaanxi Province 712100, China
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Zhang J, Huo YB, Liu Y, Feng JT, Ma ZQ, Zhu CS, Zhang X. Differential expressed analysis of Tripterygium wilfordii unigenes involved in terpenoid backbone biosynthesis. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2017; 19:823-832. [PMID: 27649810 DOI: 10.1080/10286020.2016.1232713] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Tripterygium wilfordii Hook. f. is the traditional medicinal plants in China. Triptolide, wilforgine, and wilforine are the bioactive compounds in T. wilfordii. In this study, the contents of three metabolites and transcription levels of 21 genes involved in three metabolites biosynthesis in T. wilfordii were examined using high-performance liquid chromatography and reverse transcription PCR after application of methyl jasmonate (MeJA) on hairy roots in time course experiment (3-24 h). The results indicated that application of MeJA inhibited triptolide accumulation and promoted wilforgine and wilforine metabolites biosynthesis. In hairy roots, wilforgine content reached 693.36 μg/g at 6 h after adding MeJA, which was 2.23-fold higher than control. The accumulation of triptolide and wilforine in hairy roots increased the maximum at 9 h, which was 1.3- and 1.6-folds more than the control. Most of the triptolide secretes into the medium, but wilforgine and wilforine cannot secrete into the medium. The expression levels of unigenes which involved terpenoid backbone biosynthesis exist the correlation with marker metabolites (triptolide, wilforgine and wilforine) after induction by MeJA, and can be then used to infer flux bottlenecks in T. wilfordii secondary metabolites accumulation. These results showed that these genes may have potential applications in the metabolic engineering of T. wilfordii metabolites production.
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Affiliation(s)
- Jing Zhang
- a Research & Development Center of Biorational Pesticides, Northwest A & F University , Yangling 712100 , China
- b Research Center of Biopesticide Technology & Engineering Center Shaanxi Province , Yangling 712100 , China
| | - Yan-Bo Huo
- a Research & Development Center of Biorational Pesticides, Northwest A & F University , Yangling 712100 , China
| | - Yan Liu
- a Research & Development Center of Biorational Pesticides, Northwest A & F University , Yangling 712100 , China
| | - Jun-Tao Feng
- a Research & Development Center of Biorational Pesticides, Northwest A & F University , Yangling 712100 , China
- b Research Center of Biopesticide Technology & Engineering Center Shaanxi Province , Yangling 712100 , China
| | - Zhi-Qing Ma
- a Research & Development Center of Biorational Pesticides, Northwest A & F University , Yangling 712100 , China
- b Research Center of Biopesticide Technology & Engineering Center Shaanxi Province , Yangling 712100 , China
| | - Chuan-Shu Zhu
- a Research & Development Center of Biorational Pesticides, Northwest A & F University , Yangling 712100 , China
- b Research Center of Biopesticide Technology & Engineering Center Shaanxi Province , Yangling 712100 , China
| | - Xing Zhang
- a Research & Development Center of Biorational Pesticides, Northwest A & F University , Yangling 712100 , China
- b Research Center of Biopesticide Technology & Engineering Center Shaanxi Province , Yangling 712100 , China
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Veloso CC, Soares GL, Perez AC, Rodrigues VG, Silva FC. Pharmacological potential of Maytenus species and isolated constituents, especially tingenone, for treatment of painful inflammatory diseases. REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY 2017. [DOI: 10.1016/j.bjp.2017.02.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ma S, Liu L, Ma Z, Zhang X. Microstructural and ultrastructural changes in the muscle cells of the oriental armyworm Mythimna separata Walker (Lepidoptera: Noctuidae) on treatment with wilforine. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2017; 139:60-67. [PMID: 28595923 DOI: 10.1016/j.pestbp.2017.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 04/26/2017] [Accepted: 05/01/2017] [Indexed: 06/07/2023]
Abstract
This study investigated the mode of action of wilforine, an alkaloid with insecticidal properties, extracted from Tripterygium wilfordii Hook f., on the microstructure and ultrastructure of the muscle cells of larvae and adults of the oriental armyworm Mythimna separata Walker. The bioassay results showed that wilforine had oral toxicity against both M. separata larvae (LC50=63μg/mL) and adults (LC50=36μg/mL). The typical toxicity sign was paralysis leading to death. Both light and electron microscope observations revealed that damage to the muscle cells increased with poisoning time in larvae and adults treated with the LC80 dose of wilforine. Histopathological examinations in the muscle cells of M. separata adults showed that there were large cytoplasmic spaces, disrupted Z-lines and swollen mitochondria in the muscle cells. Further, the sarcoplasmic reticulum was excessively dilated and fragmented; the nuclear membrane was ruptured; nuclear material was overflowing; and the myolemma was damaged. The similar pathological changes in the muscle cells of oriental armyworm larvae were observed, as above. In addition, a medullary sheath structure appeared and crystalline inclusion was also observed in the muscle cells of M. separata larvae. In conclusion, wilforine could induce pathological changes in the muscle cells of oriental armyworm larvae and adults, leading to their death; thus, the active site of action of wilforine maybe located in the muscle tissue of insects.
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Affiliation(s)
- Shujie Ma
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, PR China
| | - Lin Liu
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, PR China
| | - Zhiqing Ma
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, PR China.
| | - Xing Zhang
- Research & Development Center of Biorational Pesticide, Northwest A & F University, Yangling 712100, PR China
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Pan Y, Meng M, Zheng N, Cao Z, Yang P, Xi X, Zhou Q. Targeting of multiple senescence-promoting genes and signaling pathways by triptonide induces complete senescence of acute myeloid leukemia cells. Biochem Pharmacol 2017; 126:34-50. [DOI: 10.1016/j.bcp.2016.11.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Accepted: 11/26/2016] [Indexed: 01/08/2023]
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Wang T, Shen F, Su S, Bai Y, Guo S, Yan H, Ji T, Wang Y, Qian D, Duan JA. Comparative analysis of four terpenoids in root and cortex of Tripterygium wilfordii Radix by different drying methods. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:476. [PMID: 27881165 PMCID: PMC5120441 DOI: 10.1186/s12906-016-1453-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 11/09/2016] [Indexed: 11/26/2022]
Abstract
Background Tripterygium wilfordii Radix, a well-known traditional medicine in china which is used for treatment of inflammation, pain, tumor and immune regulation for centuries in china, accompany with the serious toxic side effects. This study was carried out for simultaneously analyzing the four main components (triptolide, triptophenolide, demethylzeylasteral and celastrol) in Tripterygium wilfordii Radix under different drying processes, which was important for reducing the toxicity and quality control of Tripterygium wilfordii Radix in future. Methods The terpenes were extracted by using ultrasonic method with ethyl acetate from root or cortex of Tripterygium wilfordii Radix, and the sensitive and rapid HPLC-PDA method was developed for simultaneous quantification of triptolide, triptophenolide, demethylzeylasteral and celastrol in root and cortex of Tripterygium wilfordii Radix for evaluation of the impacts by different drying processes. Results The four compounds in their respective determined arrange had good linearity of 0.9998≦R2≦0.9999 and the average recoveries were range from 94.69 to 100.28%, RSDs were within 0.27 to 2.42%, respectively. The contents of triptolide, triptophenolide, demethylzeylasteral and celastrol in different Tripterygium wilfordii Radix individuals were varied greatly at different drying temperatures. Under different temperatures, the contents of triptolide, triptophenolide, demethylzeylasteral, and celastrol were 37.94–70.31 mg/g, 0–1.807 mg/g, 0.3513–9.205 mg/g, 3.202–15.31 mg/g, respectively. The suitable drying temperature of terpenoids in root of wild and cultivate are 80 °C and 60 °C, the suitable drying temperature of terpenoids in cortex is 40 °C. Conclusions The method established is high sensitivity, accuracy, reliability and suitable for the simultaneous analysis of terpenoids in Tripterygium wilfordii Radix. The data provide a scientific basis and reference for the quality control of herb and preparations related to Tripterygium wilfordii Radix.
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Khan A, Islam MS, Rahman M, Zaman T, Haque ME. Pesticidal and pest repellency activities of a plant derived triterpenoid 2α,3β,21β,23,28-penta hydroxyl 12-oleanene against Tribolium castaneum. Biol Res 2014; 47:68. [PMID: 25723319 PMCID: PMC4289592 DOI: 10.1186/0717-6287-47-68] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2014] [Accepted: 12/06/2014] [Indexed: 11/30/2022] Open
Abstract
Background Tribolium castaneum (Herbst) is a major pest of stored grain-based products, and cause severe damage to cereal grains throughout the world. The present investigation was aimed to determine the pesticidal and pest repellent activities of 2α,3β,21β,23,28-penta hydroxyl 12-oleanene against T. castaneum. The compound 2α,3β,21β,23,28-penta hydroxyl 12-oleanene is a triterpenoid which was isolated from the roots of Laportea crenulata Gaud. Surface film technique was used for pesticidal screening, whereas, pest repellency property of the triterpenoid was determined by filter paper disc method. Results At 24 hours of exposure duration, significant mortality records (80% and 86%) were observed at doses 0.88 and 1.77 mg/cm2. No significant change in mortality records was observed when duration of exposure was increased up to 48 hours. The triterpenoid showed significant repellency activity at doses 0.47 and 0.94 mg/cm2. Conclusion These data suggest that the triterpenoid 2α,3β,21β,23,28-penta hydroxyl 12-oleanene possess both pesticidal and pest repellency activities against T. castaneum and can be used in controlling the pest of grain-based products. Electronic supplementary material The online version of this article (doi:10.1186/0717-6287-47-68) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alam Khan
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh.
| | - Md Shariful Islam
- Department of Animal Husbandry and Veterinary Science, University of Rajshahi, Rajshahi, 6205, Bangladesh.
| | - Moizur Rahman
- Department of Animal Husbandry and Veterinary Science, University of Rajshahi, Rajshahi, 6205, Bangladesh.
| | - Tanjeena Zaman
- Department of Fisheries, University of Rajshahi, Rajshahi, 6205, Bangladesh.
| | - Md Ekramul Haque
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh.
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Gutiérrez-Nicolás F, Oberti JC, Ravelo ÁG, Estévez-Braun A. β-Agarofurans and Sesquiterpene Pyridine Alkaloids from Maytenus spinosa. JOURNAL OF NATURAL PRODUCTS 2014; 77:1853-1863. [PMID: 25057904 DOI: 10.1021/np500317t] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Nine new β-dihydroagarofurans (1-9) and four new sesquiterpene pyridine alkaloids (10-13) were isolated from the leaves of Maytenus spinosa. Their structures were determined mainly by 1D- and 2D-NMR spectroscopic studies. The absolute configuration of compound 6 was established using CD spectroscopy. Several derivatives (14-20) were prepared from the sesquiterpene 13. Most of the sesquiterpenoids were tested for anti-HIV activity, but only compound 1 was found to be active.
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Affiliation(s)
- Fátima Gutiérrez-Nicolás
- Instituto Universitario de Bio-Orgánica Antonio González (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna , La Laguna 38206, Tenerife, Spain
- Facultad de Ciencias Químicas, Universidad Nacional de Córdoba , Córdoba X5000HUA, Argentina
| | - Juan C Oberti
- Facultad de Ciencias Químicas, Universidad Nacional de Córdoba , Córdoba X5000HUA, Argentina
- Instituto Multidisciplinar de Biología Vegetal (IMBIV; CONICET-UNC ), Casilla de Correo 495, Córdoba X5000HUA, Argentina
| | - Ángel G Ravelo
- Instituto Universitario de Bio-Orgánica Antonio González (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna , La Laguna 38206, Tenerife, Spain
| | - Ana Estévez-Braun
- Instituto Universitario de Bio-Orgánica Antonio González (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna , La Laguna 38206, Tenerife, Spain
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Miao GP, Zhu CS, Yang YQ, Feng MX, Ma ZQ, Feng JT, Zhang X. Elicitation and in situ adsorption enhanced secondary metabolites production of Tripterygium wilfordii Hook. f. adventitious root fragment liquid cultures in shake flask and a modified bubble column bioreactor. Bioprocess Biosyst Eng 2013; 37:641-50. [PMID: 23943048 DOI: 10.1007/s00449-013-1033-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Accepted: 07/31/2013] [Indexed: 11/24/2022]
Abstract
The experiments of elicitation and in situ adsorption were conducted in shake flasks and then tested in a modified bubble column bioreactor for enhancing the productions of three active metabolites in Tripterygium wilfordii Hook. f., triptolide, wilforgine and wilforine. Methyl jasmonate was screened out as the elicitor and the non-ionic polymeric ion-exchange resin of Amberlite(®) XAD-7 was used for in situ product removal and protecting the alkaloids from degradation in the medium. In shake flask experiments, 3.55-fold, 49.11-fold, and 10.40-fold of triptolide, wilforgine, and wilforine, respectively, could be recovered from the medium and XAD-7 resin by elicitation and in situ product removal, compared with the control. The modified 10 L bubble column bioreactor had similar productions of the three active metabolites but needed a further optimization of parameters for better growth of adventitious roots.
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Affiliation(s)
- G P Miao
- Research and Development Center of Biorational Pesticides, Northwest A&F University, Yangling, 712100, Shaanxi, China
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Abstract
Dihydro-Beta-agarofuran sesquiterpenoids are a structurally diverse class of natural products based on tricyclic 5,11-epoxy-5Beta,10alpha-eudesman-4-(14)-ene skeleton. Between January 1990 and June 2006, 462 new dihydro-Beta-agarofuran sesquiterpenoids of 74 structural types have been isolated from about 64 species of Celastraceae, 3 species of Hippocrateaceae and one species of Lamiaceae. The present review covers the chemical and biological activity research of dihydro-Beta-agarofuran sesquiterpenoids in the past 16 years. The chemical research includes structural classification into sesquiterpene polyesters and macrolide sesquiterpene pyridine alkaloids, synthesis of dihydro-Beta-agarofuran as well as extraction, isolation and purification methods. The biological activity research includes activities such as multidrug resistance (MDR) reversal activity, HIV inhibition, cytotoxicity, antitumor activity, antifeedant activity and insecticidal activity with some insights to their modes of actions.
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Affiliation(s)
- Jin-Ming Gao
- College of Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China.
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Chapter 8 Opportunities and potentials of botanical extracts and products for management of insect pests in cruciferous vegetables. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/s1572-557x(06)03008-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
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