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... The present study aimed to produce a biosurfactant from Candida yeast cultivated in a low-cost medium made of sugar-cane molasses (5%), frying oil waste (5%), and corn steep liquor (5%). Initially, the production at the flask-scale was investigated and then scaled up in bioreactors to 1.2, 3.0, and 50 L to simulate a real production scale. The products obtained an excellent reduction in surface te ...
Gabriel Goetten de Lima; Tainá Wilke Sivek; Mailson Matos; Emanoela Lundgren Thá; Ketelen Michele Guilherme de Oliveira; Irisdoris Rodrigues de Souza; Tielidy Angelina de Morais de Lima; Marta Margarete Cestari; Washington Luiz Esteves Magalhães; Fabrício Augusto Hansel; Daniela Morais Leme
... One possible way to reduce the environmental impacts of pesticides is by nanostructuring biocides in nanocarriers because this promotes high and localized biocidal activity and can avoid toxicity to non-target organisms. Neem oil (NO) is a natural pesticide with toxicity concerns to plants, fish, and other organisms. Thus, loading NO in a safe nanocarrier can contribute to minimizing its toxicity. ...
V. Subhiksha; Mohammad K. Okla; Ibrahim A. Alaraidh; Asmaa Mohebaldin; Walid Soufan; Mostafa A. Abdel-Maksoud; Ramadan F. Abdelaziz; Ajith M. Thomas; Lija L. Raju; S. Sudheer Khan
... In account of environmental remediation, an ideal photocatalyst was fabricated for the effective treatment of water systems. Herein, dual heterojunctions framed CuWO₄/Bi₂WO₆/MnS nanocomposite (NCs) was synthesized via simple co-precipitation method followed by ultra-sonicated assisted route. The prepared NCs were investigated its photocatalytic degradation performance using para-chlorophenol (4-CP ...
Allium cepa; biopesticides; biotechnology; cytotoxicity; data collection; ecology; genotoxicity; insecticides; mitosis; mutagens; onions; pollution; research; systematic review; Brazil; India
Abstract:
... Insecticides stand out as the most dangerous pesticides, and many of them can cause cytotoxic and genotoxic effects in organisms. For this reason, a systematic review was performed focusing on the effect of insecticides on Allium cepa system by two ways: (1) a scientometric study to identify trends and gaps in the literature on the evaluation of insecticides to guide future research efforts and (2 ...
... Toxic metals were identified from soil and different edible and non edible parts of Allium cepa and Daucus Carota. Results showed that there is significant metal movement from soil to vegetables. Different vegetables have different mechanism of metal sorption and uptake. Levels of heavy metals in soil were in the order of Zn>Cu>Ni>Sb>Co>Mn>As>Cd>Pb>Cr before the cultivation of vegetables i.e. Alli ...
... Data from the 2020 USDA chemical use survey for onions, Allium cepa L., were combined with survey data collected at industry meetings to estimate expenditure for commonly applied active ingredients used to manage insect pests of dry bulb onions produced in the Pacific Northwest states of Idaho, Oregon, and Washington. The portion of insecticide expenditure used to manage thrips, Thrips tabaci (Lin ...
... Vehicular pollution may end in the bioaccumulation of various toxic metals in soil and consequent genetic changes in roadside plants. To check this hypothesis, the present study was performed to evaluate the seasonal dependence (pre- and post-monsoon) of the genotoxic (Allium cepa root chromosomal aberration assay) and tumorigenic (Potato disc tumor assay) potential; and heavy metals contamination ...
... Azo dyes are used at larger-scale as coloring agent in the textile industry. It generates a huge amount of dye containing wastewater and its toxicity threatens all kinds of life and also impacts human beings. At present, more impetus is being given to the biological treatment of dye effluent because of its azoreductase enzyme action to break down azo bond which leads to decolorization and degradat ...
... Reactive dyes are extensively used in a plethora of industries, which in turn release toxic wastes into the environment. The textile dye waste remediation is crucial as it may contain several toxic elements. The utilization of bacterial consortium for bioremediation has acquired consideration, over the utilization of single strains. In this study, a microbial consortium containing three bacterial ...
... Antimicrobial resistance is a significant public health problem, and the use of nanotechnology to control bacterial growth has increased, including multidrug-resistant ones. In this context, nanoparticles of different elements, mainly metals, such as silver, gold, and iron, have been extensively researched due to their efficient antimicrobial activity. Another element that stands out is selenium, ...
... This study aimed at investigating the insecticidal, repellent, genotoxic, and cytotoxic effects of Colocasia esculenta leaf extract (CELE). The crude extract obtained by maceration followed by fractionation was screened for the presence of phytochemicals.Insecticidal and repellent testings against colonies of Sitophilus zeamais maintained on Tropical zea Nigerian population B (TZB) Gusau POOL16 in ...
Diana Laura Medina-Melchor; Diego Helman Zapata-Sarmiento; Elvia Becerra-Martínez; Mario Rodríguez-Monroy; L. Gerardo Zepeda Vallejo; Gabriela Sepúlveda-Jiménez
... The Allium cepa L. (onion) crop is affected by leaf blight disease caused by Stemphylium vesicarium; the shifts that S. vesicarium infection causes in the primary metabolism of onion plants are not known. In this study, the profiling of primary metabolites obtained by nuclear magnetic resonance (¹H NMR) spectroscopy of organs from onion plants uninfected (control) and infected with S. vesicarium w ...
... Allium cepa L. remains the most cultivated Allium species in Morocco and around the world. With the purpose of making the first biochemical characterization of Moroccan onions, several biochemical components have been measured in eleven onion ecotypes. Onions were collected as seeds from different geographical origins and cultivated in the same environment, to eliminate the influence of the enviro ...
Allium cepa; Astyanax; aluminum; cytotoxicity; fish; iron; pollution; rivers; toxicology; water quality; Brazil
Abstract:
... In the present study, water physicochemical and microbiological parameters, as well as bioassays using Allium cepa L. seeds and the fish species Astyanax jacuhiensis were used to assess the water quality of two rivers – Ilha River and Paranhana River –, located in southern Brazil. Water samples were collected at the source and mouth of the rivers and then, laboratory experiments were performed. Th ...
... Liquid organic fertilizers are organic solutions that are a valuable choice for sustainable agriculture. In addition, these organic forms play a significant role, in integrated waste management strategies. In this study, a one-way analysis of variance, Pearson correlations and principal component analysis were performed on all traits, to compare the responses of sole application of compost, compos ...
... The present study was carried out on onion cv. Nasik Red in a randomized block design with three replications. The experiment comprised of nine treatments of different nutrient sources including organic manures and inorganic fertilizers. The effects of organic manures (farmyard manure, vermicompost and jeevamrut) alone and in conjugation with inorganic fertilizers on growth, nutrient uptake and yi ...
... Organisms are increasingly exposed to ultraviolet (UV) rays of sunlight, due to the thinning of the ozone layer and its widespread use in sterilization processes, especially against the SARS-CoV-2 virus. The present study was conducted with the purpose of evaluating the damages of UV-A and UV-C radiations in Allium cepa L. roots. The effects of two different types of UV on some physiological, bioc ...
... Considering the cost of two common agriculture inputs, water and nitrogen as well as their effects on the environment, optimum use of them is necessary. In this way, the production functions are applying to achieve maximum profits and environmental protection. Therefore, spilt-plot experiments were conducted on onion (Allium cepa L.) in a completely randomised block design for two years (2014/15-2 ...
... Photocatalysts supported in magnetic nanocomposites for application in environmental remediation processes have been evaluated for removing contaminants due to easy recovery and low toxicity to the ecosystem. In this work, copper oxide (CuO) nanoparticles with photocatalytic properties were decorated on magnetic support constituted by hydroxyapatite (HAP) and ferrite to achieve efficiency in conta ...
... Studies assessing the toxicity of glyphosate and 2,4-dichlorophenoxyacetic acid mixture are scarce. The aim of this study was to evaluate the cytotoxicity and genotoxicity of the mixture of these herbicides using Allium cepa. Roots were exposed to glyphosate (1.56 and 11.66 mg mL⁻¹), 2,4-D (0.28 and 17.5 mg mL⁻¹) and mixture for 24 h, based on the average concentration applied in the field and the ...
... Distillery industry generates a huge amount of wastewater, which contains a high strength of organic and inorganic load. Accordingly, this study aims to analyze the physico-chemical pollution parameters and the occurrence of phytotoxic, cytotoxic and genotoxic pollutants in wastewater. The result revealed that values of wastewater parameters were recorded as 13268 mg l⁻¹ (BOD), 25144 mg l⁻¹ (COD), ...
... Food safety laboratories rely on validated methods that detect hidden allergens in food to ensure the safety and health of allergic consumers. Here we present test results for the validation and accreditation of a real-time PCR assay for the detection of peanut traces in food products. The method was tested on five classes of food matrices: bakery and pastry products, meats, ready-to-eat and dairy ...
V. Subhiksha; Abdulrahman A. Alatar; Mohammad K. Okla; Ibrahim A. Alaraidh; Asmaa Mohebaldin; Mohammed Aufy; Mostafa A. Abdel-Maksoud; Lija L. Raju; Ajith M. Thomas; S. Sudheer Khan
... The present work highlights the preparation of double Z-scheme ZnCo₂O₄/MnO₂/FeS₂ nanocomposite (NCs) and investigated its photocatalytic activity against methyl orange (MO) dye degradation under visible light. An array of techniques was carried out to characterize the nanoparticles (NPs) in order to evaluate their morphological, structural, optical, and photocatalytic properties using FE-SEM, TEM, ...
... Nanoplastics are widespread in the environment, and their increased persistence is an indisputable and severe threat. The impacts of these nanoplastic particles on the soil system and terrestrial plant growth, as well as how the EPS secreted by soil microbes would influence their toxic effects remain largely unexplored. This study focuses on the toxic effects of polystyrene nanoplastics (PSNPs) of ...
... Preservative treatments increase the durability of wood, and one of the alternative treatments involves the use of chromated copper arsenate (CCA). Due to the toxicity of CCA, the disposal of CCA-treated wood residues is problematic, and burning is considered to provide a solution. The ecotoxicological potential of ash can be high when these components are toxic and mutagenic. The aim of this stud ...
... Cadmium (Cd), one of the most toxic heavy metals, seriously impairs plant and animal physiology and is a potent mutagen. Effect of a cadmium salt on chromosome integrity was studied for increasing concentrations and for different exposure time in root tips of onion A. cepa. Cd had cytostatic effect in higher concentration (100 µM). It showed chromosome damage, which was most pronounced at 100 µM a ...
... Biochar has widely been utilized as an agricultural soil amendment owing to its enhanced surface properties and cost-effectiveness. In the present work, the influence of tea waste biochar (TWBC) upon acid modification on Allium cepa L. (red onion) growth has been studied. Its effect as a soil amendment has also been studied by assessing the nutrient retention, microbial population growth and immob ...
... An ethnobotanical survey was conducted among herbalists in the north-central region of Morocco using a questionnaire in order to highlight knowledge and know-how and to establish an inventory of herbal remedies used in the treatment of diseases common in the region and rarely cited in the bibliography: in this case, it is insomnia, asthenia, and oral-gum infections. The results showed that 120 her ...
... The present study assessed the utility of Allium cepa based cyto-genotoxicity bioassays in evaluating the arsenic toxicity and remediation potential of Pteris vittata on contaminated soil of Lakhimpur-Kheri district. Untreated and P. vittata treated soil extracts were used for cyto-genotoxicity tests in A. cepa. Results showed that P. vittata extracted high concentration of arsenic, which ranged f ...
... Environmental pollution caused by the discharge of raw and partly treated distillery effluent has become a serious and threatening problem due to its high pollution load. The aim of the present study was to assess the physicochemical load in alcohol distillery effluent before and after biomethanation treatment and the cyto- and genotoxicity effects of refractory pollutants emanated in raw/untreate ...
... Packaging made with thermoplastic starch (TPS) foams is a great alternative to replace non-biodegradable single-use packaging. TPS foams are of great interest, as they are biodegradable and from renewable sources. Although these foams are hydrophilic, chemical modifications to the starch used to make the foams can make them more resistant to the action of water and moisture. These modifications ma ...
... Species in the genus Erwinia cause diseases in many economically important plants. In May 2021, celery plants (Apium graveolens var. dulce ‘Queen of France’) showing soft rot symptoms were observed in greenhouses in Boye County, Baoding, Hebei Province (North China). Disease symptoms began with pinkish, water-soaked lesions on the midrib of stalks, but at the same time the leaves and roots were as ...
... Muskmelon (Cucumis melo L.) is an economically important crop worldwide, especially in China, the largest producer of muskmelon with an annual output up to 12.7 million tons (Gómez-García et al. 2021). Since 2018, fruit rot has been observed on muskmelon in Malianzhuang Base, the main muskmelon-producing area in Shandong Province, where disease incidence was ∼25 to 30%. Water-soaked dark-brown spo ...
... Onion (Allium cepa L.) is one of the most cultivated vegetables throughout the world. With an average annual production quantity of 18 million kilograms over a recent 21 years, China is the world’s biggest onion producer (Hanci 2018). Among them, onion is mainly cultivated in the provinces of Gansu, Shandong, Yunnan, Jiangsu, Zhejiang, and Henan. A survey in Gansu Province in the last several year ...
... Species in the genus Erwinia cause diseases in many economically important plants (Mansfield et al. 2012). In May 2021, celery plants (Apium graveolens var. dulce ‘Queen of France’) showing soft rot symptoms were observed in greenhouses in Boye County, Baoding, Hebei Province (North China). Disease symptoms began with pinkish, water-soaked lesions on the midrib of celery stalks, but at the same ti ...
... The harmful effects of textile wastewater irrigation practices on the crop productivity and soil nutrient levels are primarily related with the accumulation of recalcitrant azo dyes in the soil. Therefore, toxicity assessment of the textile waste contaminated soil along with the development of a powerful soil bioremediation strategy is a challenging task for the researchers. Present study aimed to ...
Allium cepa; fertigation; irrigation scheduling; irrigation water; microirrigation; nutrient management; onions; soil; soil treatment; water conservation; India
Abstract:
... The production, productivity and quality of produce are greatly influenced by the method of irrigation and fertilizer application. Being a shallow rooted crop, onion also prefers a light but frequent irrigation and also prefers a heavy nutrient. Keeping this in view, experiments were conducted for three consecutive years in randomized block design with ten treatments replicated thrice at Bhubanesw ...
... KEY MESSAGE: A gene encoding a laccase responsible for chartreuse onion bulb color was identified. Markers tagging this gene showed perfect linkage with bulb colors among diverse germplasm. To identify a casual gene for the G locus determining chartreuse bulb color in onion (Allium cepa L.), bulked segregant RNA-Seq (BSR-Seq) was performed using yellow and chartreuse individuals of a segregating p ...
... The study was conducted to evaluate the suitability of different weed management practices under influence of varying levels of N doses to test their effects on the various soil microflora and dehydrogenase enzyme activity in the winter onion field during 2016–2017 and 2017–2018. There were a total of twenty eight treatments replicated three times under the split-plot design (SPD). The treatments ...
... Contamination of agricultural land and surface water by personal care products and pharmaceutical constituents is a potential environmental threat. The active ingredients of personal care products are life-threatening for users. Present work highlighted the efficacy of the different components of two commercially available hair dyes (synthetic and herbal) on germination, morpho-physiological, bioc ...
... A high-auxin medium, usually used for callus induction, was not effective for Indian short-day onion cv. Bhima super. In this study, we found that the onion seedling radicle was a better explant than shoot tip for embryogenic callus induction, and induction efficiency up to 85.33% along with high embryogenic calli weight was obtained in routinely used medium containing 1.0 mg/L 2,4-D, but specific ...
... Bacillus cereus is a major food poisoning pathogen that generates spores and biofilms, allowing it to survive in varied food systems. This study revealed the incidence, virulence toxin gene profiling, multi-drug resistance of B. cereus from traditional fermented millet-based porridge foods. The antibacterial activity of onion bulbs (Allium parvum and Allium cepa) against B. cereus isolates was als ...
... In this study, effect of water shortage on onion growth and quality was evaluated under soil humic acid (HA) application. Three levels of irrigation namely: a1; 80%, a2; 70% and a3; 60% of field capacity (FC) were supplied to plants in combination with two levels of HA namely: b1; 0 and b2; 100 mg/kg soil, in a factorial and completely randomized design with four replications. The interaction of i ...
... Allium cepa L. is a well-known traditional medicinal plant with different biological activities distributed worldwide. In the present study, the efficacy of Allium cepa ethanolic extract (EAC) is investigated on biological activity, virulence factors and ERG11 gene expression in C. albicans. EAC was tested against C. albicans growth at the concentrations of 0.125–32 mg/mL. Proteinase and phospholi ...
... Lectins are important for plant defence against various insect and viral invasions. Allium species are rich source of lectins, but till date no lectin is reported to have insecticidal activity against the onion thrips. In the present study, wild Allium species were mined for potential lectins against onion thrips. The full-length lectin genes were amplified and cloned from four wild Allium species ...
... Pasta is a commonly consumed food; adding some ingredients, maybe turn it into a functional food with health benefits. These ingredients consist of dietary fiber, antioxidant molecules, and enzyme inhibitor compounds, related to a reduced risk for some diseases. Onion (Allium cepa L.) is a rich source of bioactive compounds rendering it a relevant candidate for the production of functional foods. ...
... Mercury (Hg) is a highly toxic heavy metal for all organisms. In the present study, the mitigative role of 190 mg/L and 380 mg/L doses of green tea extract (GTex) against mercury(II) chloride (HgCI₂)-induced toxicity was evaluated in Allium cepa L. For this aim, selected physiological, genotoxicity, and biochemical parameters as well as meristematic cell injuries in the roots were investigated. Ra ...
... The molecular determinants of Foc (Fusarium oxysporum f. sp. cepae) pathogenicity are highly underexplored. The Zn(II)₂Cys₆ (C6) subclass of zinc finger proteins are an exclusive group of transcriptional regulators associated with multiple physiological processes including development and pathogenicity in fungi. In the present study, we used a genome-wide approach and detected 398C6-type genes (FO ...
Allium cepa; bulbs; chlorophyll; cultivars; drought; gas exchange; greenhouses; homeostasis; leaves; malondialdehyde; onions; plant growth; salt stress; temperature; toxicity; water stress
Abstract:
... Abiotic stresses deteriorate plant growth resulting in devastating yield losses. Salt stress solely cause ionic toxicity and disturbed homeostasis, whereas combined salt and drought stress has more pronounced effects on plants. This study aimed to screen 32 Turkish onion breeding lines and commercial cultivars based on their morpho-physiological and biochemical responses after exposure to drought, ...
... Onion (Allium cepa) is an important globally cultivated crop and is known to be susceptible to purple blotch caused by Alternaria porri. The causal pathogens of blight symptoms from onion in Myanmar were isolated and identified. In addition to Stemphylium vesicarium, a large-spored Alternaria with unique morphology as well as a small-spored Alternaria were obtained. To identify the two Alternaria ...