Advanced Agrochem最新文献_第6页

Structural insights of poly(butylene adipate-co-terephthalate) depolymerases 聚（己二酸丁二醇酯-共对苯二甲酸酯）解聚酶的结构研究

Advanced Agrochem Pub Date : 2023-12-11 DOI: 10.1016/j.aac.2023.12.001

Yu Yang , Zhongrui Wang , Yingyu Zheng , Shujing Cheng , Chun-Chi Chen , Rey-Ting Guo

引用次数: 0

Nature: Methyl-salicylate-mediated plant airborne defense and mechanism of interaction and coevolution between plant viruses, vector insects, and host plants 自然水杨酸甲酯介导的植物空气传播防御以及植物病毒、媒介昆虫和寄主植物之间的相互作用和共同进化机制

Advanced Agrochem Pub Date : 2023-12-08 DOI: 10.1016/j.aac.2023.11.007

He Yan , Yue Jiang

引用次数: 0

Recent advances in keratinase production via protein engineering, breeding, and fermentation 通过蛋白质工程、育种和发酵生产角蛋白酶的最新进展

Advanced Agrochem Pub Date : 2023-12-05 DOI: 10.1016/j.aac.2023.11.009

{"title":"Recent advances in keratinase production via protein engineering, breeding, and fermentation","authors":"","doi":"10.1016/j.aac.2023.11.009","DOIUrl":"10.1016/j.aac.2023.11.009","url":null,"abstract":"<div><p>The gene editing and synthetic biological tools have led to the implementation of diverse metabolic engineering approaches to enhance the production of specific enzymes. Microbial keratinases can convert keratin wastes into valuable compounds for mankind. Since the market for keratinases cannot be satisfied by production from wild hosts, it is obligatory to develop hosts with high keratinase yields. The intention of this review is to evaluate microbial keratinase advancement through protein engineering, breeding techniques, and fermentation optimization. The main aim of protein engineering is to improve the heat resistance ability and catalytic activity of keratinases by employing mutagenesis methods. Moreover, modifying the expression elements and host engineering are also two unique ways to augment the keratinase yield. Intending to accelerate the production of modified keratinase, this review attempts to highlight the optimization of expression elements, such as promoter engineering, UTR, signal peptide, and codon optimization. Moreover, the approaches of host engineering including strengthening precursor supply, membrane surface engineering, and optimization of secretion pathways were also explained here. Furthermore, it is also essential to optimize the medium composition and fermentation condition for high keratinase yield. This review also addressed the present advancements, difficulties, and tendencies in the field of microbial keratinase production, along with its potential.</p></div>","PeriodicalId":100027,"journal":{"name":"Advanced Agrochem","volume":"3 3","pages":"Pages 188-196"},"PeriodicalIF":0.0,"publicationDate":"2023-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2773237123001028/pdfft?md5=1e5c8958f2fa19e877e27635106ab2e9&pid=1-s2.0-S2773237123001028-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138620951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Construction and agrochemical efficacy of novel indolo[2,3-b]andrographolide derivatives 新型吲哚[2,3-b]穿心莲内酯衍生物的构建及农化药效研究

Advanced Agrochem Pub Date : 2023-12-01 DOI: 10.1016/j.aac.2023.07.004

Meng Hao, Min Lv, Tianze Li, Hui Xu

{"title":"Construction and agrochemical efficacy of novel indolo[2,3-b]andrographolide derivatives","authors":"Meng Hao, Min Lv, Tianze Li, Hui Xu","doi":"10.1016/j.aac.2023.07.004","DOIUrl":"10.1016/j.aac.2023.07.004","url":null,"abstract":"<div><p>To find new pesticide candidates, by using of a natural product andrographolide as the precursor, a series of novel indolo[2,3-<em>b</em>]andrographolide derivatives were semisynthesized by Fischer-indole rearrangement reaction. Their structures were identified by <sup>1</sup>H NMR, IR, mp, and HRMS, and the steric configuration of compound <strong>Ic</strong> was further determined on single-crystal analysis. Compounds <strong>If</strong> and <strong>IIb</strong> showed 5.9 and 7.0 times potent acaricidal activity compared to andrographolide against <em>Tetranychus cinnabarinus</em>. Compound <strong>Ib</strong> displayed 4.2 folds higher aphicidal activity compared to andrographolide against <em>Eriosoma lanigerum</em>. In addition, the pronounced insecticidal activity of compound <strong>IIc</strong> against <em>Aphis citricola</em> was 4.2 folds of that of andrographolide. Scanning electron microscopy revealed that compound <strong>IIb</strong> can destroy the epidermis of <em>T. cinnabarinus</em>. These results can provide a basis for future research on botanical agrochemicals.</p></div>","PeriodicalId":100027,"journal":{"name":"Advanced Agrochem","volume":"2 4","pages":"Pages 349-355"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2773237123000515/pdfft?md5=8b9561d101275f3efaa105798a678c6d&pid=1-s2.0-S2773237123000515-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73331582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tackling pesticide overusing through foliar deposition and retention: Frontiers and challenges 通过叶面沉积和滞留解决农药过度使用:前沿和挑战

Advanced Agrochem Pub Date : 2023-12-01 DOI: 10.1016/j.aac.2023.05.005

Hao Su , Ying Liang , Aiting Gao , Peng Yang

引用次数: 0

Anthranilic diamide compounds: Discovery of tetrachlorantraniliprole 蒽酰二胺化合物：四氯萘醌的发现

Advanced Agrochem Pub Date : 2023-12-01 DOI: 10.1016/j.aac.2023.10.001

Huibin Yang, Haibo Yu, Yunbo Cong, Xuegeng Shi, Zhinan Hu, Junfeng Wang, Yuquan Song, Bin Li

引用次数: 0

Spatiotemporal visualization of the synthesis and accumulation of rotenone in Derris elliptica roots using mass spectrometry imaging 利用质谱成像技术研究黑参根鱼藤酮合成和积累的时空可视化

Advanced Agrochem Pub Date : 2023-12-01 DOI: 10.1016/j.aac.2023.07.002

Ping Li , Yingying Chen , Qingrong Xie , Yizhu Xu , Zhen Li , Yuan Li , Zhibin Yin , Xinhai Zhu , Hanhong Xu , Xinzhou Wu

{"title":"Spatiotemporal visualization of the synthesis and accumulation of rotenone in Derris elliptica roots using mass spectrometry imaging","authors":"Ping Li , Yingying Chen , Qingrong Xie , Yizhu Xu , Zhen Li , Yuan Li , Zhibin Yin , Xinhai Zhu , Hanhong Xu , Xinzhou Wu","doi":"10.1016/j.aac.2023.07.002","DOIUrl":"10.1016/j.aac.2023.07.002","url":null,"abstract":"<div><p>The discovery of novel botanical pesticides as a preferred alternative to synthetic pesticides is regarded as an environmentally friendly strategy, yet it remains a great challenge due to limited insights into the synthesis and accumulation of active ingredient intermediates. Herein, we demonstrate the use of gold nanoparticle (AuNP)-assisted laser desorption/ionization mass spectrometry imaging (LDI-MSI) for the tissue-specific distribution and spatiotemporal accumulation effect of rotenone and active ingredient intermediates in its biosynthetic pathway within the roots of <em>Derris elliptica.</em> The MSI results revealed that rotenone was mainly concentrated in the epidermis, cortex, and xylem in the first two years and began to accumulate in the phloem since the 3rd year. Meanwhile, the rotenone contents increased in the epidermis, cortex, and xylem in the 4th year and finally decreased in the 5th year. The ultra-performance liquid chromatography (UPLC) results revealed that there was a significant difference in rotenone content between the root and non-root bark (<em>p</em> < 0.05) except for the 1st year. It reached its maximum value at 9.71% in the root bark in the 4th year and 7.98% in the non-root bark in the 1st year, which was in accordance with the MSI results. Additionally, the active ingredient intermediates in the Hydroxylation/Methylation and Rotenoid Phases of the biosynthetic pathway of rotenone were concentrated in the root region. Taken together, the collective results provide the scientific guidance for the scientific cultivation of <em>D. elliptica</em> and the efficient extraction of botanical pesticides.</p></div>","PeriodicalId":100027,"journal":{"name":"Advanced Agrochem","volume":"2 4","pages":"Pages 340-348"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2773237123000497/pdfft?md5=444ef98a87d780fe18a300fe78c4f79a&pid=1-s2.0-S2773237123000497-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74108586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Silver nanoparticles: From in vitro green synthesis to in vivo biological effects in plants 银纳米粒子：从体外绿色合成到植物体内的生物效应

Advanced Agrochem Pub Date : 2023-12-01 DOI: 10.1016/j.aac.2023.08.004

Na Zhang , Juzhi Sun , Liyan Yin , Junli Liu , Chunli Chen

{"title":"Silver nanoparticles: From in vitro green synthesis to in vivo biological effects in plants","authors":"Na Zhang , Juzhi Sun , Liyan Yin , Junli Liu , Chunli Chen","doi":"10.1016/j.aac.2023.08.004","DOIUrl":"10.1016/j.aac.2023.08.004","url":null,"abstract":"<div><p>Silver nanoparticles (AgNPs) are extensively utilized in industrial, biotechnological and medical fields because of their specific physical and chemical properties, which shown small size effects, surface and interface effects, quantum scale effects. Inevitably, wastewater containing AgNPs is leached into the soil. AgNPs in soil may be absorbed by plant roots and they affect plant growth. Understanding the complex interactions between AgNPs and plants is of crucial significance since plants are essential to the ecological environment as key players in ecosystems. Most previous reports have focused on AgNP phytotoxicity rather than positive effects in the plant field. This article reviews recent studies on the important aspects about nanoparticles including the green synthesis, absorption, migration, accumulation, biotransformation, biological effects, and the underlying molecular mechanisms of AgNPs affecting plants. We provide insights into the interactions between AgNPs and plants, helping to further understand AgNP-related effects and biosafety in agricultural production, as well as the practical application of various nanomaterials in agriculture.</p></div>","PeriodicalId":100027,"journal":{"name":"Advanced Agrochem","volume":"2 4","pages":"Pages 313-323"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S277323712300059X/pdfft?md5=eca79e7c64acaaa24744ad7505291eab&pid=1-s2.0-S277323712300059X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136136968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

A fluorescent probe based on BODIPY for hydrogen sulfide imaging in living cells and zebrafish 基于BODIPY的荧光探针用于活细胞和斑马鱼的硫化氢成像

Advanced Agrochem Pub Date : 2023-12-01 DOI: 10.1016/j.aac.2023.08.002

Xiaolong Ding , Qi Wang , Degen Chen , Yiliang Chen , Wenwen Pan , Qi Sun , Qian Chen , Xinya Han

{"title":"A fluorescent probe based on BODIPY for hydrogen sulfide imaging in living cells and zebrafish","authors":"Xiaolong Ding , Qi Wang , Degen Chen , Yiliang Chen , Wenwen Pan , Qi Sun , Qian Chen , Xinya Han","doi":"10.1016/j.aac.2023.08.002","DOIUrl":"10.1016/j.aac.2023.08.002","url":null,"abstract":"<div><p>A novel fluorescent probe based on 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) structure as fluorophore with 7-nitro-1,2,3-benzoxadiazole (NBD) served as detection unit was designed for specific and sensitive detection of H<sub>2</sub>S in living cells and zebrafish. In this work, we prepared a novel fluorescent probe for detection of hydrogen sulfide with strong fluorescent enhancement, good biocompatible and excellent specifically detection. The probe <strong>1</strong> displayed emission at 580 nm with excited wavelength at 530 nm in aqueous solution which organic proportion was only 10%. This probe exhibits highly selectively and specifically to detect H<sub>2</sub>S compared with other related interferences including sulphur-amino acids, sulfite ion and cations. In the addition of H<sub>2</sub>S into the detection system, the fluorescent intensity was sharply increased about 170-fold with the limitation detection as low as 16.8 nM. The sensing mechanism was through the cleave reaction between analyte and NBD unit which was characterized by high resolution mass spectrum (HRMS). This platform also permits low biotoxicity which can successfully be utilized to evaluate the concentration level of H<sub>2</sub>S and imaging in living cells and zebrafish.</p></div>","PeriodicalId":100027,"journal":{"name":"Advanced Agrochem","volume":"2 4","pages":"Pages 364-370"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2773237123000576/pdfft?md5=b2e16bf04b563566e4b842c9f66f08a6&pid=1-s2.0-S2773237123000576-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83569625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Agarose hydrogel doped with soluble Se-chitosan for Se-enriched cultivation of sprouts 可溶性硒壳聚糖掺杂琼脂糖水凝胶用于豆芽富硒培养

Advanced Agrochem Pub Date : 2023-12-01 DOI: 10.1016/j.aac.2023.09.001

Yun Wang , Wei Yang , Jian Zhu , Qifei Chen , Na Li

{"title":"Agarose hydrogel doped with soluble Se-chitosan for Se-enriched cultivation of sprouts","authors":"Yun Wang , Wei Yang , Jian Zhu , Qifei Chen , Na Li","doi":"10.1016/j.aac.2023.09.001","DOIUrl":"10.1016/j.aac.2023.09.001","url":null,"abstract":"<div><p>Se-chitosan with a high Se content of 139 mg/g was successfully synthesized using the glacial acetic acid-sodium selenite (HAc-Na<sub>2</sub>SeO<sub>3</sub>) method. The chemical structure of Se-chitosan was characterized by FTIR, XRD, TGA, UV–vis and <sup>13</sup>C NMR, confirming that selenite acid was introduced into chitosan via the esterification reaction of the hydroxyl group at C6 and the electrostatic interaction of the amino group at C2 of chitosan. Agarose hydrogels were designed as an efficient carrier of Se-chitosan for Se-enriched cultivation of sprouts. The hydrogels exhibited a porous structure, which is beneficial for Se diffusion in hydrogels. The growth indexes of sprouts grown in Agar/Se-chitosan composite hydrogels with different Se concentrations, including plant weight, plant height and Se content, were investigated. The results showed that in the Se-enriched cultivation of sprouts, Se-chitosan possessed an excellent Se enrichment effect. As the Se concentration in Agar/Se-chitosan composite hydrogels increases from 0 to 1600 μg/L, the Se content of the sprouts will also increase from 0.92 mg/kg to 6.79 mg/kg accordingly. Moreover, it is necessary to control the amount of Se-chitosan added to the hydrogels; otherwise, the growth of sprouts will be inhibited. This research provided a simple and effective method for the fabrication of Se-containing hydrogels for Se-enriched cultivation of sprouts.</p></div>","PeriodicalId":100027,"journal":{"name":"Advanced Agrochem","volume":"2 4","pages":"Pages 356-363"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S277323712300076X/pdfft?md5=f64faab7ec353a7a35e01b7e47867192&pid=1-s2.0-S277323712300076X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84540986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0