1
|
Barbosa P, Faria JMS, Cavaco T, Figueiredo AC, Mota M, Vicente CSL. Nematicidal Activity of Phytochemicals against the Root-Lesion Nematode Pratylenchus penetrans. PLANTS (BASEL, SWITZERLAND) 2024; 13:726. [PMID: 38475572 DOI: 10.3390/plants13050726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
Plant-parasitic nematodes (PPNs) are highly damaging pests responsible for heavy losses in worldwide productivity in a significant number of important plant crops. Common pest management strategies rely on the use of synthetic chemical nematicides, which have led to serious concerns regarding their impacts on human health and the environment. Plant natural products, or phytochemicals, can provide a good source of agents for sustainable control of PPNs, due to their intrinsic characteristics such as higher biodegradability, generally low toxicity for mammals, and lower bioaccumulation in the environment. In this work, the nematicidal activity of 39 phytochemicals was determined against the root-lesion nematode (RLN) Pratylenchus penetrans using standard direct and indirect contact methodologies. Overall, the RLN was tolerant to the tested phytochemicals at the highest concentration, 2 mg/mL, seldom reaching full mortality. However, high activities were obtained for benzaldehyde, carvacrol, 3-octanol, and thymol, in comparison to other phytochemicals or the synthetic nematicide oxamyl. These phytochemicals were seen to damage nematode internal tissues but not its cuticle shape. Also, the environmental and (eco)toxicological parameters reported for these compounds suggest lower toxicity and higher safety of use than oxamyl. These compounds appear to be good candidates for the development of biopesticides for a more sustainable pest management strategy.
Collapse
Affiliation(s)
- Pedro Barbosa
- MED-Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal
| | - Jorge M S Faria
- Instituto Nacional de Investigação Agrária e Veterinária (INIAV, I.P.), Quinta do Marquês, 2780-157 Oeiras, Portugal
- GREEN-IT Bioresources for Sustainability, Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa (ITQB NOVA), Av. da República, 2780-157 Oeiras, Portugal
| | - Tomás Cavaco
- Instituto Nacional de Investigação Agrária e Veterinária (INIAV, I.P.), Quinta do Marquês, 2780-157 Oeiras, Portugal
| | - Ana Cristina Figueiredo
- Centro de Estudos do Ambiente e do Mar (CESAM Lisboa), Faculdade de Ciências, Universidade de Lisboa, Biotecnologia Vegetal, DBV, C2, Piso 1, Campo Grande, 1749-016 Lisboa, Portugal
| | - Manuel Mota
- MED-Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal
| | - Cláudia S L Vicente
- MED-Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal
| |
Collapse
|
2
|
Zhang R, Yu Z, Cui H, Ye C, Qiao M. Aspergillus niger produces lethal compounds against nematodes. PEST MANAGEMENT SCIENCE 2023; 79:4617-4625. [PMID: 37440680 DOI: 10.1002/ps.7662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/24/2023] [Accepted: 07/13/2023] [Indexed: 07/15/2023]
Abstract
BACKGROUND Aspergillus niger is generally considered safe and is widely used across a broad range of industries from food to pharmaceuticals. The metabolites of some Aspergillus species are effective in killing nematodes. The active ingredients that play a role are citric acid and oxalic acid. RESULTS The effective nematocidal metabolite in the fermentation broth of the A. niger Ym16 is a calcium oxalate coordination compound (C2 H2 O4 •2(C2 HO4 )•C2 O4 •4(H2 O)•2(Ca)). The mortality of fermentation broth and compound solution to second-stage juveniles (J2s) of Meloidogyne incognita were 94% (8 h) and 95% (2 h), respectively. The hatching inhibition rates of fermentation broth and compound solution to eggs of M. incognita were 86% (24 h) and 87% (12 h), respectively. Furthermore, the Ym16 strain promoted plant growth. CONCLUSION Strain Ym16 and its metabolites should be the first choice for nematode control because it is an effective agent against soil nematodes. © 2023 Society of Chemical Industry.
Collapse
Affiliation(s)
- Ruizhe Zhang
- Laboratory for Conservation and Utilization of Bio-Resources, Yunnan University, Kunming, China
| | - Zefen Yu
- Laboratory for Conservation and Utilization of Bio-Resources, Yunnan University, Kunming, China
| | - Hexin Cui
- Laboratory for Conservation and Utilization of Bio-Resources, Yunnan University, Kunming, China
| | - Chuwen Ye
- Laboratory for Conservation and Utilization of Bio-Resources, Yunnan University, Kunming, China
| | - Min Qiao
- Laboratory for Conservation and Utilization of Bio-Resources, Yunnan University, Kunming, China
| |
Collapse
|
3
|
Antifungal Effect of Brassica Tissues on the Mycotoxigenic Cereal Pathogen Fusarium graminearum. Antibiotics (Basel) 2022; 11:antibiotics11091249. [PMID: 36140028 PMCID: PMC9495792 DOI: 10.3390/antibiotics11091249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 11/17/2022] Open
Abstract
Fusarium graminearum is a globally important cereal pathogen, causing head blight in wheat, resulting in yield losses and mycotoxin contamination. Currently, triazole fungicides are used to suppress Fusarium graminearum, however, the declining effectiveness of triazoles and concerns over the safety of pesticides have led to the pursuit of safe alternative crop protection strategies such as biofumigation. In the present study, species belonging to Brassicaceae (Brassica juncea, Raphanus sativus, Eruca sativa) were assessed for their biofumigation potential against F. graminearum and the glucosinolate profile of the brassicas was determined. In Petri dishes, mycelial plugs of Fusarium graminearum were exposed to frozen/defrosted leaf discs of brassicas collected at early-leaf, stem-extension, and early-bud stages. Additionally, F. graminearum inoculum was incubated in soil amended with chopped tissues of brassicas in a closed jar experiment. Glucosinolate analysis of the leaf tissue of brassicas revealed that the total glucosinolate concentration of B. juncea ‘Brons’ increased with advancing growth stage (24.5–51.9 µmol g−1). Brassica juncea leaf discs were effective against mycelial growth, while the sinigrin content in the leaf tissue corresponded to the level of suppression. At the stem-extension and early-bud stages, B. juncea ‘Brons’ showed 87–90% suppression with four leaf discs, and 100% suppression with eight leaf discs. Brassica juncea ‘Caliente Rojo’ leaf discs collected at the stem-extension stage showed 94% inhibition with eight discs. In the closed jar experiment, each brassica species significantly suppressed F. graminearum inoculum by 41–55%. The findings suggest that the brassica species investigated in the present study could be effective in reducing the inoculum of F. graminearum in soil prior to cereal production.
Collapse
|
4
|
Mwamula AO, Kabir MF, Lee D. A Review of the Potency of Plant Extracts and Compounds from Key Families as an Alternative to Synthetic Nematicides: History, Efficacy, and Current Developments. THE PLANT PATHOLOGY JOURNAL 2022; 38:53-77. [PMID: 35385913 PMCID: PMC9343895 DOI: 10.5423/ppj.rw.12.2021.0179] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/26/2022] [Accepted: 03/10/2022] [Indexed: 06/02/2023]
Abstract
The global nematicides market is expected to continue growing. With an increasing demand for synthetic chemical-free organic foods, botanical nematicides are taking the lead as replacements. Consequently, in the recent years, there have been vigorous efforts towards identification of the active secondary metabolites from various plants. These include mostly glucosinolates and their hydrolysis products such as isothiocyanates; flavonoids, alkaloids, limonoids, quassinoids, saponins, and the more recently probed essential oils, among others. And despite their overwhelming potential, variabilities in quality, efficacy, potency and composition continue to persist, and commercialization of new botanical nematicides is still lagging. Herein, we have reviewed the history of botanical nematicides and regional progresses, the potency of the identified phytochemicals from the key important plant families, and deciphered some of the impediments involved in standardization of the active compounds in addition to the concerns over the safety of the purified compounds to non-target microbial communities.
Collapse
Affiliation(s)
- Abraham Okki Mwamula
- Department of Ecological Science, Kyungpook National University, Sangju 37224, Korea
- Department of Plant Protection and Quarantine, Graduate School of Plant Protection and Quarantine, Kyungpook National University, Daegu 41566, Korea
| | - Md. Faisal Kabir
- Agriculture and Natural Resources, Research and Knowledge Management Division, DM WATCH, Dhaka-1216, Bangladesh
| | - DongWoon Lee
- Department of Ecological Science, Kyungpook National University, Sangju 37224, Korea
- Department of Plant Protection and Quarantine, Graduate School of Plant Protection and Quarantine, Kyungpook National University, Daegu 41566, Korea
| |
Collapse
|
5
|
Improvement of glucosinolates by metabolic engineering in Brassica crops. ABIOTECH 2021; 2:314-329. [PMID: 36303883 PMCID: PMC9590530 DOI: 10.1007/s42994-021-00057-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 07/07/2021] [Indexed: 02/08/2023]
Abstract
Glucosinolates (GSLs) are a class of sulfur- and nitrogen-containing, and amino acid-derived important secondary metabolites, which mainly present in plants of Brassicaceae family, including Brassica crops, such as broccoli, cabbage, and oilseed rape. The bioactive GSL metabolites confer benefits to plant defense, human health, and the unique flavor of some Brassica crops. However, certain GSL profiles have adverse effects and are known as anti-nutritional factors. This has attracted mounting attempts to increase beneficial GSLs and reduce detrimental ones in the most commonly consumed Brassica crops. We provide a comprehensive overview of metabolic engineering applied in Brassica crops to achieve this purpose, including modulation of GSL biosynthesis, ablation of GSL hydrolysis, inhibition of GSL transport processes, and redirection of metabolic flux to GSL. Moreover, advances in omics approaches, i.e., genomics, transcriptome, and metabolome, applied in the elucidation of GSL metabolism in Brassica crops, as well as promising and potential genome-editing technologies are also discussed.
Collapse
|
6
|
Nadeem H, Malan P, Khan A, Asif M, Ahmad Siddiqui M, Tuhafeni Angombe S, Ahmad F. New insights on the utilization of ultrasonicated mustard seed cake: chemical composition and antagonistic potential for root-knot nematode, Meloidogyne javanica. J Zhejiang Univ Sci B 2021; 22:563-574. [PMID: 34269009 DOI: 10.1631/jzus.b2000746] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This study focused, for the first time, on the effect of ultrasonic features on the extraction efficiency of secondary metabolites in mustard seed cake (MSC). The nematostatic potential of sonicated seed cake was examined against the second-stage juveniles (J2s) of root-knot nematode, Meloidogyne javanica. The results show that a 35 ppm (parts per million) concentration of a sonicated extract (SE) sample of MSC caused 65% J2s mortality at 18 h exposure period in vitro. It also significantly suppressed the root-knot index (RKI=0.94) in tomato roots. The lethal concentration values for SE were 51.76, 29.79, and 13.34 ppm, respectively, at 6, 12, and 18 h of the exposure period, and the lethal concentration values for the non-sonicated extract (NSE) sample were 116.95, 76.38, and 55.59 ppm, respectively, at similar exposure time. Sinapine and gluconapin were identified as the major compounds in ultrasonic-assisted MSC. Because of the high extraction efficiency of metabolites in the SE, all treatments of SE were shown to be antagonistic to J2s. Thus, this study of ultrasonication activity-based profiling of MSC may help generate target-based compounds at a scale relevant to the control of disease caused by nematodes in economic crops.
Collapse
Affiliation(s)
- Hera Nadeem
- Department of Botany, Aligarh Muslim University, Aligarh- 202002, U.P., India
| | - Pieter Malan
- Department of Botany, School of Biological Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa
| | - Amir Khan
- Department of Botany, Aligarh Muslim University, Aligarh- 202002, U.P., India
| | - Mohd Asif
- Pharmacopoeia Commission for Indian Medicine and Homeopathy, Ghaziabad- 201002, U.P., India
| | | | - Simon Tuhafeni Angombe
- Faculty of Agriculture and Natural Resources, University of Namibia, Windhoek 10026, Namibia
| | - Faheem Ahmad
- Department of Botany, Aligarh Muslim University, Aligarh- 202002, U.P., India
| |
Collapse
|
7
|
Rahaman MM, Zwart RS, Rupasinghe TWT, Hayden HL, Thompson JP. Metabolomic profiling of wheat genotypes resistant and susceptible to root-lesion nematode Pratylenchus thornei. PLANT MOLECULAR BIOLOGY 2021; 106:381-406. [PMID: 33973100 DOI: 10.1007/s11103-021-01156-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 04/28/2021] [Indexed: 05/05/2023]
Affiliation(s)
- Md Motiur Rahaman
- University of Southern Queensland, Centre for Crop Health, Toowoomba, QLD, 4350, Australia
| | - Rebecca S Zwart
- University of Southern Queensland, Centre for Crop Health, Toowoomba, QLD, 4350, Australia.
| | | | - Helen L Hayden
- Agriculture Victoria, Department of Jobs, Precincts and Regions, Bundoora, VIC, 3083, Australia
| | - John P Thompson
- University of Southern Queensland, Centre for Crop Health, Toowoomba, QLD, 4350, Australia
| |
Collapse
|
8
|
Eder R, Consoli E, Krauss J, Dahlin P. Polysulfides Applied as Formulated Garlic Extract to Protect Tomato Plants against the Root-Knot Nematode Meloidogyne incognita. PLANTS (BASEL, SWITZERLAND) 2021; 10:394. [PMID: 33670802 PMCID: PMC7922410 DOI: 10.3390/plants10020394] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/09/2021] [Accepted: 02/13/2021] [Indexed: 02/06/2023]
Abstract
The devastating root-knot nematode Meloidogyne incognita can cause severe damage to field and greenhouse crops. Due to high economic losses, alternative products are essential to replace banned or strictly regulated nematicides that affect human health and/or the environment. Garlic based products have been previously investigated as environmentally friendly nematicides and their active substances, diallyl polysulfides exist as formulated nematicides on the market. We tested the garlic-based nematicide NEMguard® DE as protective of tomato roots. In vitro evaluation of the lethal concentration (LC) showed strong nematicidal activity with LC50 of 0.8 mg/mL after 96 h and LC90 of 1.5 mg/mL. NEMguard® DE showed protective effect against M. incognita as a single application in small pots and a second application further reduced root galling, significantly. Large greenhouse trials were carried out in two consecutive years to test single and monthly applications of NEMguard® DE. In both years, no controlling effect could be observed on M.incognita. We assume that the silt content of the loamy sandy soil used had an effect on the polysulfides, inhibiting their nematicidal effect. We conclude that further experiments are necessary to investigate the nematicidal potential of NEMguard® DE under different soil compositions or as a different formulation.
Collapse
Affiliation(s)
- Reinhard Eder
- Agroscope, Research Division Plant Protection, Phytopathology and Zoology in Fruit and Vegetable Production, 8820 Wädenswil, Switzerland; (R.E.); (E.C.)
| | - Erika Consoli
- Agroscope, Research Division Plant Protection, Phytopathology and Zoology in Fruit and Vegetable Production, 8820 Wädenswil, Switzerland; (R.E.); (E.C.)
| | - Jürgen Krauss
- Agroscope, Research Division Plants and Plant Products, Vegetable-Production Extension, 8820 Wädenswil, Switzerland;
| | - Paul Dahlin
- Agroscope, Research Division Plant Protection, Phytopathology and Zoology in Fruit and Vegetable Production, 8820 Wädenswil, Switzerland; (R.E.); (E.C.)
| |
Collapse
|
9
|
Changes in the Plant β-Sitosterol/Stigmasterol Ratio Caused by the Plant Parasitic Nematode Meloidogyne incognita. PLANTS 2021; 10:plants10020292. [PMID: 33557005 PMCID: PMC7913658 DOI: 10.3390/plants10020292] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/27/2021] [Accepted: 01/29/2021] [Indexed: 11/17/2022]
Abstract
Sterols play a key role in various physiological processes of plants. Commonly, stigmasterol, β-sitosterol and campesterol represent the main plant sterols, and cholesterol is often reported as a trace sterol. Changes in plant sterols, especially in β-sitosterol/stigmasterol levels, can be induced by different biotic and abiotic factors. Plant parasitic nematodes, such as the root-knot nematode Meloidogyne incognita, are devastating pathogens known to circumvent plant defense mechanisms. In this study, we investigated the changes in sterols of agricultural important crops, Brassica juncea (brown mustard), Cucumis sativus (cucumber), Glycine max (soybean), Solanum lycopersicum (tomato) and Zea mays (corn), 21 days post inoculation (dpi) with M. incognita. The main changes affected the β-sitosterol/stigmasterol ratio, with an increase of β-sitosterol and a decrease of stigmasterol in S. lycopersicum, G. max, C. sativus and Z. mays. Furthermore, cholesterol levels increased in tomato, cucumber and corn, while cholesterol levels often were below the detection limit in the respective uninfected plants. To better understand the changes in the β-sitosterol/stigmasterol ratio, gene expression analysis was conducted in tomato cv. Moneymaker for the sterol 22C-desaturase gene CYP710A11, responsible for the conversion of β-sitosterol to stigmasterol. Our results showed that the expression of CYP710A11 was in line with the sterol profile of tomato after M. incognita infection. Since sterols play a key role in plant-pathogen interactions, this finding opens novel insights in plant nematode interactions.
Collapse
|
10
|
Dutta A, Mandal A, Kundu A, Malik M, Chaudhary A, Khan MR, Shanmugam V, Rao U, Saha S, Patanjali N, Kumar R, Kumar A, Dash S, Singh PK, Singh A. Deciphering the Behavioral Response of Meloidogyne incognita and Fusarium oxysporum Toward Mustard Essential Oil. FRONTIERS IN PLANT SCIENCE 2021; 12:714730. [PMID: 34512695 PMCID: PMC8427441 DOI: 10.3389/fpls.2021.714730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 07/29/2021] [Indexed: 05/17/2023]
Abstract
Environmental concerns related to synthetic pesticides and the emphasis on the adoption of an integrated pest management concept as a cardinal principle have strengthened the focus of global research and development on botanical pesticides. A scientific understanding of the mode of action of biomolecules over a range of pests is key to the successful development of biopesticides. The present investigation focuses on the in silico protein-ligand interactions of allyl isothiocyanate (AITC), a major constituent of black mustard (Brassica nigra) essential oil (MEO) against two pests, namely, Meloidogyne incognita (Mi) and Fusarium oxysporum f. sp. lycopersici (Fol), that cause severe yield losses in agricultural crops, especially in vegetables. The in vitro bioassay results of MEO against Mi exhibited an exposure time dependent on the lethal concentration causing 50% mortality (LC50) values of 47.7, 30.3, and 20.4 μg ml-1 at 24, 48, and 72 h of exposure, respectively. The study revealed short-term nematostatic activity at lower concentrations, with nematicidal activity at higher concentrations upon prolonged exposure. Black mustard essential oil displayed excellent in vitro Fol mycelial growth inhibition, with an effective concentration to cause 50% inhibition (EC50) value of 6.42 μg ml-1. In order to decipher the mechanism of action of MEO, its major component, AITC (87.6%), which was identified by gas chromatography-mass spectrometry (GC-MS), was subjected to in silico docking and simulation studies against seven and eight putative target proteins of Mi and Fol, respectively. Allyl isothiocyanate exhibited the highest binding affinity with the binding sites of acetyl cholinesterase (AChE), followed by odorant response gene-1 (ODR1) and neuropeptide G-protein coupled receptor (nGPCR) in Mi, suggesting the possible suppression of neurotransmission and chemosensing functions. Among the target proteins of Fol, AITC was the most effective protein in blocking chitin synthase (CS), followed by 2,3-dihydroxy benzoic acid decarboxylase (6m53) and trypsinase (1try), thus inferring these as the principal molecular targets of fungal growth. Taken together, the study establishes the potential of MEO as a novel biopesticide lead, which will be utilized further to manage the Mi-Fol disease complex.
Collapse
Affiliation(s)
- Anirban Dutta
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Abhishek Mandal
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Aditi Kundu
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Monika Malik
- Division of Nematology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Amrendra Chaudhary
- Division of Plant Pathology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Matiyar Rahaman Khan
- Division of Nematology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Veerubommu Shanmugam
- Division of Plant Pathology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Uma Rao
- Division of Nematology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Supradip Saha
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Neeraj Patanjali
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Anil Kumar
- Division of Design of Experiments, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistical Research Institute, New Delhi, India
| | - Sukanta Dash
- Division of Design of Experiments, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistical Research Institute, New Delhi, India
| | - Pradeep Kumar Singh
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Anupama Singh
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
- *Correspondence: Anupama Singh ;
| |
Collapse
|
11
|
Glucosinolate Biosynthesis and the Glucosinolate–Myrosinase System in Plant Defense. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10111786] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Insect pests represent a major global challenge to important agricultural crops. Insecticides are often applied to combat such pests, but their use has caused additional challenges such as environmental contamination and human health issues. Over millions of years, plants have evolved natural defense mechanisms to overcome insect pests and pathogens. One such mechanism is the production of natural repellents or specialized metabolites like glucosinolates. There are three types of glucosinolates produced in the order Brassicales: aliphatic, indole, and benzenic glucosinolates. Upon insect herbivory, a “mustard oil bomb” consisting of glucosinolates and their hydrolyzing enzymes (myrosinases) is triggered to release toxic degradation products that act as insect deterrents. This review aims to provide a comprehensive summary of glucosinolate biosynthesis, the “mustard oil bomb”, and how these metabolites function in plant defense against pathogens and insects. Understanding these defense mechanisms will not only allow us to harness the benefits of this group of natural metabolites for enhancing pest control in Brassicales crops but also to transfer the “mustard oil bomb” to non-glucosinolate producing crops to boost their defense and thereby reduce the use of chemical pesticides.
Collapse
|
12
|
Xie J, Liao B, Tang RY. Functional Application of Sulfur-Containing Spice Compounds. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:12505-12526. [PMID: 33138361 DOI: 10.1021/acs.jafc.0c05002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Sulfur-containing spice compounds possess diverse biological functions and play an important role in food, chemicals, pharmaceuticals, and agriculture. The development of functional spices has become increasingly popular, especially for medicinal functions for dietary health. Thus, this review focuses on the properties and functions of sulfur-containing spice compounds, including antioxidant, anti-inflammatory, antiobesity, anticancer, antibacterial, and insecticidal functions, among others. Developments over the last five years concerning the properties of sulfur-containing spice compounds are summarized and discussed.
Collapse
Affiliation(s)
- Jinxin Xie
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Benjian Liao
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Ri-Yuan Tang
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Natural Pesticide & Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
- Lingnan Guangdong Laboratory of Modern Agriculture, South China Agricultural University, Guangzhou 510642, China
| |
Collapse
|