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Organochlorine pesticide residue in Chinese herbal medicine 中草药中有机氯农药残留
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2022-02-20 DOI: 10.1584/jpestics.D21-052
M. Chien, Chih-Min Yang, Chao-Hsiang Chen
{"title":"Organochlorine pesticide residue in Chinese herbal medicine","authors":"M. Chien, Chih-Min Yang, Chao-Hsiang Chen","doi":"10.1584/jpestics.D21-052","DOIUrl":"https://doi.org/10.1584/jpestics.D21-052","url":null,"abstract":"Over ten-year routine inspection results on organochlorine pesticide (OCP) residue were summarized, OCPs residues, including BHC isomers (α, β, γ, and δ-BHC), DDT analogs (p,p′-DDD, p,p′-DDE, o,p′-DDT, and p,p′-DDT), and pentachloronitrobenzene (PCNB) and its metabolites (pentachloroaniline and methyl pentachlorophenyl sulfide (MPCPS)), in 1,665 samples for 37 types of Chinese herbal medicine (CHM) using the QuEChERS method coupled with the GC-ECD. Based on the maximal residue levels for OCPs set by Asian pharmacopeias, PCNB contamination in Ginseng radix as well as the total DDT and PCNB contamination in Panacis quinquefolii radix are of concern. OCP residues in different parts of Panax ginseng were also compared. The total BHC residue in leaf and fibrous root, as well as the total DDT and PCNB residue in all parts, exceeded MRL of 0.1 mg/kg. Overall, this study provided meaningful results about OCP residue in CHM for pharmaceutical industries and consumers.","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"47 1","pages":"30 - 34"},"PeriodicalIF":2.4,"publicationDate":"2022-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42931966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Root exudation of prometryn and its metabolites from Chinese celery (Apium graveolens) 芹菜中prometryn及其代谢产物的根分泌物
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2022-02-20 DOI: 10.1584/jpestics.d21-035
Yingai Gui, Wei-Dong Yu, Xiangwu Ge, Haiyan Li, Chengpeng Sun, Xiqin Mao, Kuijing Yuan
{"title":"Root exudation of prometryn and its metabolites from Chinese celery (Apium graveolens)","authors":"Yingai Gui, Wei-Dong Yu, Xiangwu Ge, Haiyan Li, Chengpeng Sun, Xiqin Mao, Kuijing Yuan","doi":"10.1584/jpestics.d21-035","DOIUrl":"https://doi.org/10.1584/jpestics.d21-035","url":null,"abstract":"Root exudates from Chinese celery (Apium graveolens) and Chinese cabbage (pak choi, Brassica chinensis) plants treated by prometryn, an herbicide, were qualitatively and quantitatively investigated and compared under hydroponic cultivation. Prometryn and its metabolites released into the nutrient solution were analyzed by ultra-performance liquid chromatograph coupled with orbitrap mass spectrometer to investigate whether this xylem-mobile herbicide is exuded from the roots. The results showed that celery and pak choi had different root exudation profiles. Celery metabolized prometryn to prometryn sulfoxide and released both compounds from the roots. In contrast, pak choi barely metabolized or actively released prometryn from the roots. The concentration of prometryn sulfoxide released from celery after 96 hr was 21 µg/L, which was nearly one-third that of released prometryn. Our results indicate that the root exudation and translocation of xylem-mobile herbicides could be significant in plants and are highly species dependent compared with phloem-mobile herbicides.","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"47 1","pages":"1 - 7"},"PeriodicalIF":2.4,"publicationDate":"2022-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42343941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Establishing a ready biodegradability test system using OxiTop® to evaluate chemical fate in a realistic environment 使用OxiTop®建立现成的生物降解性测试系统，以评估现实环境中的化学归宿
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2022-02-20 DOI: 10.1584/jpestics.D21-046
Saki Takekoshi, Kotaro Takano, Y. Matoba, Makiko Mukumoto, A. Tachibana
{"title":"Establishing a ready biodegradability test system using OxiTop® to evaluate chemical fate in a realistic environment","authors":"Saki Takekoshi, Kotaro Takano, Y. Matoba, Makiko Mukumoto, A. Tachibana","doi":"10.1584/jpestics.D21-046","DOIUrl":"https://doi.org/10.1584/jpestics.D21-046","url":null,"abstract":"The purpose of this study is to propose the use of OxiTop® for measuring biochemical oxygen demand (BOD) under the Japanese Chemical Substances Control Law in order to properly evaluate chemical fate in a real environment. In our previous study, the biodegradation of test chemicals was accelerated by both adsorbing the chemical to silica gel with chloroform and increasing the medium volume from 300 to 3900 mL in the OECD 301F test using a coulometer. However, the biodegradability of these chemicals could not be evaluated based on BOD due to chloroform residue in the silica gel, or the medium volume could not be increased further due to the oven size of the coulometer. In this study, we established an evaluation system using OxiTop® based on BOD by increasing the medium volume to 9000 mL. Based on triplicate testing, increasing the medium volume accelerated biodegradation and decreased variation in BOD.","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"47 1","pages":"35 - 42"},"PeriodicalIF":2.4,"publicationDate":"2022-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45213636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Criterion of molecular size to evaluate the bioaccumulation potential of chemicals in fish. 评估化学品在鱼类中生物累积潜力的分子大小标准
IF 1.5 4区 农林科学
Journal of Pesticide Science Pub Date : 2022-02-20 DOI: 10.1584/jpestics.D21-030
Chiyoko Miyata, Yoshihide Matoba, Makiko Mukumoto, Yoshiaki Nakagawa, Hisashi Miyagawa
{"title":"Criterion of molecular size to evaluate the bioaccumulation potential of chemicals in fish.","authors":"Chiyoko Miyata, Yoshihide Matoba, Makiko Mukumoto, Yoshiaki Nakagawa, Hisashi Miyagawa","doi":"10.1584/jpestics.D21-030","DOIUrl":"10.1584/jpestics.D21-030","url":null,"abstract":"<p><p>To evaluate the bioaccumulation potential of chemicals in fish, a molecular-size descriptor, D<sub>max aver</sub>, has been used as a weight of evidence under the EU REACH. The D<sub>max aver</sub> value, however, is estimated on the basis of 3-D structures of possible stable conformers in a vacuum using OASIS software that requires expertise upon parameter input. We developed a method to calculate the 3-D conformers in water, which is more suitable for bioaccumulation potential evaluation in an aquatic environment, by introducing MD simulation. By examining the relationship of the calculated molecular size of 1665 chemicals with their reported BCF values, we found that 17.1 Å of D<sub>max aver</sub> or 15.6 Å of D<sub>max min</sub> was a threshold of molecular size in water to predict the low bioaccumulation (<i>i.e.</i>, BCF<5000) of a chemical. Setting this threshold as a new standard would reduce the number of animal tests without compromising the quality of safety evaluation.</p>","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"47 1","pages":"8-16"},"PeriodicalIF":1.5,"publicationDate":"2022-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8931549/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42849516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of propiconazole, a triazole-containing fungicide as an inhibitor of strigolactone production 含三唑的杀菌剂丙环康唑对独角曲内酯生产抑制作用的评价
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2022-01-01 DOI: 10.1584/jpestics.d22-022
I. Takahashi, Hikaru Koishihara, T. Asami
{"title":"Evaluation of propiconazole, a triazole-containing fungicide as an inhibitor of strigolactone production","authors":"I. Takahashi, Hikaru Koishihara, T. Asami","doi":"10.1584/jpestics.d22-022","DOIUrl":"https://doi.org/10.1584/jpestics.d22-022","url":null,"abstract":"The inhibitory effect of propiconazole on strigolactone (SL) production and Striga hermonthica emergence were evaluated using rice plants. A significant reduction in SL levels was detected in root and root exudates after rice was treated with different doses of propiconazole. Propiconazole induced second tiller bud outgrowth in rice seedlings. In accordance with the results of 4-deoxyorobanchol levels in root and root exudates, propiconazole-treated rice attenuated the degree of infestation of the root parasitic weed, S. hermonthica . Overall, these results suggest that propiconazole has potential as a plant growth regulator for agriculture and a new scaffold for developing potent inhibitors of SL production.","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"186 1","pages":""},"PeriodicalIF":2.4,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67101919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Keyword Index to Volume 46, 2021 关键词索引到第46卷，2021年
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2021-11-20 DOI: 10.1584/jpestics.a21-02
{"title":"Keyword Index to Volume 46, 2021","authors":"","doi":"10.1584/jpestics.a21-02","DOIUrl":"https://doi.org/10.1584/jpestics.a21-02","url":null,"abstract":"","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2021-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42645862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ecological effect assessment by species sensitivity distribution for 38 pesticides with various modes of action. 38种不同作用方式农药的物种敏感性分布生态效应评价。
IF 1.5 4区 农林科学
Journal of Pesticide Science Pub Date : 2021-11-20 DOI: 10.1584/jpestics.D21-034
Takashi Nagai
{"title":"Ecological effect assessment by species sensitivity distribution for 38 pesticides with various modes of action.","authors":"Takashi Nagai","doi":"10.1584/jpestics.D21-034","DOIUrl":"10.1584/jpestics.D21-034","url":null,"abstract":"<p><p>Species sensitivity distributions (SSDs) of 38 pesticides with various modes of action were analyzed as a higher-tier ecological effect assessment based on collected acute toxicity data. Then the 5% hazardous concentrations (HC<sub>5</sub>) based on each SSD were calculated as the predicted no-effect concentrations for aquatic ecosystems. The differences between HC<sub>5</sub> and registration criteria were small (within ten-fold) for 35 of the 38 pesticides. However, there were more than ten-fold differences for a fungicide and two herbicides. These results suggest that the current effect assessment scheme could underestimate the effect of such pesticides. This could be caused by differences in sensitivity of specific properties of the mode of action.</p>","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"46 4","pages":"366-372"},"PeriodicalIF":1.5,"publicationDate":"2021-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/07/b3/jps-46-4-D21-034.PMC8640677.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39727797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanisms of aerobic dechlorination of hexachlorobenzene and pentachlorophenol by Nocardioides sp. PD653. Nocardioides sp. PD653对六氯苯和五氯酚的好氧脱氯机理
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2021-11-20 DOI: 10.1584/jpestics.J21-04
Koji Ito
{"title":"Mechanisms of aerobic dechlorination of hexachlorobenzene and pentachlorophenol by <i>Nocardioides</i> sp. PD653.","authors":"Koji Ito","doi":"10.1584/jpestics.J21-04","DOIUrl":"https://doi.org/10.1584/jpestics.J21-04","url":null,"abstract":"<p><p>We sought to elucidate the mechanisms underlying the aerobic dechlorination of the persistent organic pollutants hexachlorobenzene (HCB) and pentachlorophenol (PCP). We performed genomic and heterologous expression analyses of dehalogenase genes in <i>Nocardioides</i> sp. PD653, the first bacterium found to be capable of mineralizing HCB <i>via</i> PCP under aerobic conditions. The <i>hcbA1A2A3</i> and <i>hcbB1B2B3</i> genes, which were involved in catalysing the aerobic dechlorination of HCB and PCP, respectively, were identified and characterized; they were classified as members of the two-component flavin-diffusible monooxygenase family. This was subsequently verified by biochemical analysis; aerobic dechlorination activity was successfully reconstituted <i>in vitro</i> in the presence of flavin, NADH, the flavin reductase HcbA3, and the HCB monooxygenase HcbA1. These findings will contribute to the implementation of <i>in situ</i> bioremediation of HCB- or PCP-contaminated sites, as well as to a better understanding of bacterial evolution apropos their ability to degrade heavily chlorinated anthropogenic compounds under aerobic conditions.</p>","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"46 4","pages":"373-381"},"PeriodicalIF":2.4,"publicationDate":"2021-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7a/e1/jps-46-4-J21-04.PMC8640678.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39727798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Contents of Volume 46, 2021 2021年第46卷目录
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2021-11-20 DOI: 10.1584/jpestics.a21-01
{"title":"Contents of Volume 46, 2021","authors":"","doi":"10.1584/jpestics.a21-01","DOIUrl":"https://doi.org/10.1584/jpestics.a21-01","url":null,"abstract":"","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2021-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48607271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sodium channel mutations (T929I and F1534S) found in pyrethroid-resistant strains of the cigarette beetle, Lasioderma serricorne (Coleoptera: Anobiidae). 在拟除虫菊酯抗性烟甲虫株中发现钠通道突变(T929I和F1534S)。
IF 2.4 4区 农林科学
Journal of Pesticide Science Pub Date : 2021-11-20 DOI: 10.1584/jpestics.D21-033
Naoto Fukazawa, Ryota Takahashi, Hinako Matsuda, Yuya Mikawa, Toshiyuki Suzuki, Tomohiro Suzuki, Shoji Sonoda
{"title":"Sodium channel mutations (T929I and F1534S) found in pyrethroid-resistant strains of the cigarette beetle, <i>Lasioderma serricorne</i> (Coleoptera: Anobiidae).","authors":"Naoto Fukazawa,&nbsp;Ryota Takahashi,&nbsp;Hinako Matsuda,&nbsp;Yuya Mikawa,&nbsp;Toshiyuki Suzuki,&nbsp;Tomohiro Suzuki,&nbsp;Shoji Sonoda","doi":"10.1584/jpestics.D21-033","DOIUrl":"https://doi.org/10.1584/jpestics.D21-033","url":null,"abstract":"<p><p>RNA-seq data analysis of cigarette beetle (<i>Lasioderma serricorne</i>) strains having different sensitivities to pyrethroids identified sodium channel mutations in strains showing pyrethroid resistance: the T929I and F1534S mutations. These results suggest that reduced sensitivity of the sodium channel confers the pyrethroid resistance of <i>L. serricorne</i>. Results also showed that the F1534S mutation mostly occurred concurrently with the T929I mutation. The functional relation between both mutations for pyrethroid resistance is discussed.</p>","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":"46 4","pages":"360-365"},"PeriodicalIF":2.4,"publicationDate":"2021-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/2a/6a/jps-46-4-D21-033.PMC8640701.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39727796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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