环境科学与生态学最新文献

{"title":"Dose-Dependent Effects of Butachlor Accumulation and Degradation on Amino Acid Metabolism and Lignin Biosynthesis in Rice","authors":"Shuyuan Wang, Jie Chen, Lizhong Zhu","doi":"10.1016/j.envpol.2025.126771","DOIUrl":"https://doi.org/10.1016/j.envpol.2025.126771","url":null,"abstract":"The excessive use of amide herbicides (AHs) poses a substantial environmental threat by disrupting the growth and development of crops. Using butachlor as a representative AH, this study investigated the dose-dependent effects of butachlor's accumulation, subcellular distribution, and degradation on rice metabolism and growth. Employing an untargeted high-throughput mass spectrometry screening technology, we successfully identified 16 degradation products of butachlor, spanning both phase I and phase II metabolism. Biotoxicity of both butachlor and these degradation products was evaluated using the established machine learning models. Transcriptomics and metabolomics analyses revealed that butachlor reallocated the amino acids in rice from phenylpropanoid metabolism and lignin synthesis (at low doses) to antioxidant defenses (at high doses). This dose-dependent response suggested an affinity interaction between butachlor and laccase in cell wall to potentially facilitate its degradation. As doses increased, laccase activity and lignin synthesis were decreased, reducing shoot elongation by up to 76%. The interaction between butachlor and laccase can be extrapolated to a broader range of AHs and crops. This study provides a scientific basis for a more thorough environmental risk assessment of AHs and informs the safety management of agrochemicals.","PeriodicalId":311,"journal":{"name":"Environmental Pollution","volume":"119 1","pages":""},"PeriodicalIF":8.9,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144547343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Periphytic biofilm (PB) in paddy field: A natural cadmium barrier for rice (Oryza sativa L.) safe production through physiological detoxification and gene regulation","authors":"Haiying Lu, Lingyuan Chen, Junzhuo Liu, Xianjin Tang, Chen Chen, Mohamed S. Sheteiwy, Jie Yu, Xukui Wang, Jiangang Han, Yonghong Wu, Dionysios D. Dionysiou","doi":"10.1016/j.jhazmat.2025.139136","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.139136","url":null,"abstract":"Periphytic biofilm (PB) is ubiquitous in paddy fields and has significant impacts on the behavior of cadmium at the soil-water interface. However, its effects on rice growth and Cd accumulation remain largely unknown. Here, we conducted pot and field experiments to explore how PB affects rice growth and Cd migration pathways. Results showed that PB promoted rice growth and alleviated the toxic effects to rice in Cd-polluted soil, reducing Cd accumulation in rice shoot, root, and grain under both pot and field trials. PB treatment reduced the activities of antioxidant enzymes, particularly superoxide dismutase in rice leaves, which indicated less Cd-induced damage in rice leaves. Furthermore, PB enhanced the formation of iron/ manganese plaque around rice roots by 21-34% under Cd-polluted soil, and increased the nitrogen and phosphorus uptake of rice root significantly. These were further verified by transcriptomic analyses that the expression of Cd-uptake associated genes such as <em>OsCDT9</em>, <em>LCT</em>, and <em>HMA5</em> of rice plants in PB treatment was down-regulated, while nutrient uptake-related genes including <em>OsISC12</em>, <em>OsGLU</em>, and <em>OsHAK7</em> were up-regulated. This study not only expands our understanding of Cd biogeochemistry in paddy ecosystem, but also provides a promising in situ approach to reducing Cd migration from soil to rice grain.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"39 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144547596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phylogenetic Relatedness Predicts Extinction Risk of Native Freshwater Fishes From Non-Native Fishes Across a Latitudinal Gradient","authors":"Yingqiu Zhang,&nbsp;Yuefei Li,&nbsp;Fangmin Shuai,&nbsp;J. Robert Britton,&nbsp;Jie Li","doi":"10.1111/gcb.70320","DOIUrl":"https://doi.org/10.1111/gcb.70320","url":null,"abstract":"<div>\u0000 \u0000 <p>The strength of the interspecific interactions between non-native and native species influences the subsequent invasion impacts, with stronger interactions and thus more severe impacts predicted when the species are phylogenetically close and co-exist at lower latitudes. Although work demonstrates non-native fish are more likely to invade areas which have phylogenetically closely related species present, the impacts of these invaders on the native species remain poorly understood. Accordingly, we conducted a comprehensive analysis of global freshwater fish occurrence data to test the phylogenetic niche conservatism hypothesis in co-occurring native and non-native freshwater fishes, assess whether non-native fishes drive extinctions of phylogenetically closely related native species, and evaluate how this varies with latitude. Phylogenetic niche conservatism was evident in co-occurring non-native and native fishes, with their morphometric trait dissimilarity significantly correlated with their phylogenetic distance. Extinct freshwater fishes were found to be more closely related to co-occurred non-native species than were species of other conservation statuses. However, the relationship between the extinction probability of native freshwater fishes and their phylogenetic relatedness to non-native species was context-dependent, varying with latitude and across biogeographical realms. At higher latitudes, native fishes closely related to non-native species had a higher probability of extinction, whereas at lower latitudes, closely related native species were less likely to become extinct. Thus, the extinction risks posed by non-native fish vary spatially and depend on their phylogenetic relatedness to native species, both of which are recommended for consideration in invasion risk management programmes.</p>\u0000 </div>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"31 7","pages":""},"PeriodicalIF":10.8,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144537169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identifying the Substrate and Vegetation Characteristics Driving Population Densities in the Buckspoor Spider, Seothyra schreineri","authors":"Charles R. Haddad,&nbsp;Daryl Codron,&nbsp;Ruan Booysen","doi":"10.1111/aje.70074","DOIUrl":"https://doi.org/10.1111/aje.70074","url":null,"abstract":"<p>Buckspoor spiders (Araneae: Eresidae: <i>Seothyra</i> Purcell) are a distinct lineage of burrow-inhabiting web-building spiders endemic to the arid and semi-arid parts of southern Africa. We investigated the role of substrate and vegetation characteristics on site selection in <i>Seothyra schreineri</i> Purcell in the xeric Nama Karoo of the western Free State Province, South Africa. We studied web densities in two 0.5 ha plots in an open habitat grazed by sheep and found declining web densities with increasing distance from the border fence. Web densities in the 1 m² plots were negatively correlated with increasing grass density, positively correlated with increasing percentage fine gravel, whereas shrub cover, litter, hard soil and stones had a very weak effect. Our results indicate that the spatial distribution of fine gravel in Nama Karoo landscapes is a key factor determining the occurrence of <i>S. schreineri</i>, a finding that can guide future sampling efforts, leading to a more complete prediction of the species' distribution and, ultimately, its overall conservation status.</p>","PeriodicalId":7844,"journal":{"name":"African Journal of Ecology","volume":"63 5","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aje.70074","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144537174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Deciphering low-dose radiation-induced cytotoxic effects:The application of integrative transcriptomics and metabolomics analysis in lung organoid-based 3D in vitro model","authors":"Lihui Xuan ,&nbsp;Jinhua Luo ,&nbsp;Huiji Pan ,&nbsp;Dafei Xie ,&nbsp;Xin Huang ,&nbsp;Yang Han ,&nbsp;Chenjun Bai ,&nbsp;Hua Guan ,&nbsp;Ruixue Huang ,&nbsp;Ping-Kun Zhou","doi":"10.1016/j.ecoenv.2025.118530","DOIUrl":"10.1016/j.ecoenv.2025.118530","url":null,"abstract":"<div><div>Although the adverse effects induced by acute high-dose radiation from nuclear accidents have been intensively explored, the biological effects of low-dose radiation remain unclear. This study aimed to identify the role of low-dose radiation in three-dimensional (3D) lung organoids using transcriptomic and metabolomic analyses. An irradiation dose of 0 01 Gy was utilized to simulate environmental radiation exposure. Lung organoids were included in the study. Through metabolomic analysis, compared to the control, 290, 284, and 492 metabolites were significantly up-regulated, while 150, 605, and 310 metabolites were significantly down-regulated in the 0.01 Gy, 0.05 Gy, and 2 Gy groups, respectively. However, only the metabolites in the glycerophospholipid metabolism pathway increased significantly in the group treated with 0. 01 Gy radiation, with the lipid substances Carnitine C18:0(Car (18: 0)), palmitoylcarnitine, and PE (18: 3 (9 Z, 12 Z, 15 Z)/P- 16: 0) showing the most significant increase. Significantly, compared to the control, lipid metabolism can be affected by 0.01 Gy radiation. Furthermore, these altered lipid metabolites, such as triglycerides and sterols, were enriched in pathways related to cell signaling and affected cell proliferation, differentiation, and death after bioinformatics analysis. Through transcriptomic analysis, compared with the 0 Gy group, the expression of 19 genes in the 0.01 Gy group was up-regulated, while the expression of 6 genes was down-regulated. The 0.01 Gy irradiation affects the cardiac muscle contraction pathway and glycerolipid metabolism pathway. Moreover, using lung epithelial cells, we further identified that compared with the control group, there was no significant change in cystine uptake capacity, lipid peroxide levels, or mitochondrial membrane potential under irradiation conditions of 0.01 Gy and 0.05 Gy. In summary, our combined transcriptomic and metabolomic analysis of lung organoids provides an effective approach to understanding the biological effects of low-dose radiation exposure.</div></div>","PeriodicalId":303,"journal":{"name":"Ecotoxicology and Environmental Safety","volume":"302 ","pages":"Article 118530"},"PeriodicalIF":6.2,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144534737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acid value reduction of waste edible oil via two-step catalysis for effective asphalt rejuvenation","authors":"Zhi Zheng ,&nbsp;Naisheng Guo ,&nbsp;Yiqiu Tan ,&nbsp;Chenze Fang","doi":"10.1016/j.jclepro.2025.146112","DOIUrl":"10.1016/j.jclepro.2025.146112","url":null,"abstract":"<div><div>This study addresses the poor rejuvenation efficiency of waste edible oil (WEO) with high acid value (AV) by developing a two-step catalytic modification method. The process involves acid-catalyzed esterification followed by base-catalyzed transesterification. The chemical characteristics of WEO before and after modification were systematically characterized using gel permeation chromatography, gas chromatography-mass spectrometry, Fourier-transform infrared spectroscopy, and nuclear magnetic resonance. The rejuvenation potential of modified WEO was then evaluated through comprehensive performance tests, including penetration, softening point, temperature sweep, frequency sweep, and bending beam rheometer measurements. Finally, comparative spectroscopic analysis of different binders was performed to elucidate the rejuvenation mechanism. The results showed that the optimum conditions were a methanol-to-WEO ratio of 8:1, and a concentrated sulfuric acid dosage of 0.75 wt%, at 52 °C for 1.5 h; followed by a methanol-to-oil ratio of 9:1, 1 wt% potassium hydroxide, at 55 °C for 1 h. The process reduced AV from 2.06 to 0.16 mg KOH/g, achieving &gt;91.77 % fatty acid methyl ester conversion. Comprehensive characterization confirmed the chemical transformation. The modified WEO effectively restored the rheological properties and chemical structure of aged asphalt compared to WEO. The rejuvenation mechanism was identified as primarily physical blending. Overall, this method provides an effective solution for recycling high-AV WEO in asphalt pavement rehabilitation.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"520 ","pages":"Article 146112"},"PeriodicalIF":9.7,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144535909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microalgae and livestock wastewater - A synergistic approach to environmental management","authors":"Sankaran Krishnamoorthy ,&nbsp;Ricky Rajamanickam ,&nbsp;Rangabhashiyam Selvasembian","doi":"10.1016/j.scitotenv.2025.179997","DOIUrl":"10.1016/j.scitotenv.2025.179997","url":null,"abstract":"<div><div>Livestock wastewater (LW) contains nutrients, pharmaceuticals, heavy metals, and pathogens, significantly contributing to the degradation of water quality. Effective regulation of untreated LW outflows is critical for safeguarding ecosystems and ensuring water security, especially as pollution-induced scarcity intensifies. LW pollution endangers drinking water sources and soil ecology and triggers zoonotic disease risks. Traditional treatment methods often depend on physical and chemical processes that can be expensive, generate carbon emissions, lead to unstable outcomes, and contribute to the waste of recyclable materials, contradicting the principles of sustainable development. Advanced technologies like membrane filtration and oxidation processes, though effective, face economic and operational barriers, particularly for smallholder farmers. Phycoremediation can be effective in treating LW, as it has shown its ability to remove nutrients, heavy metals, and pharmaceuticals from wastewater, and it is feasible to operate in farms with the potential of value-added biomass generation. This review synthesizes recent advancements in microalgae-based LW treatment, focusing on mechanistic pollutant removal pathways, pilot-scale studies, and biomass valorization. It highlights the critical role of microalgae in nutrient recovery, heavy metal and pharmaceutical removal and explores sustainable deployment models, contributing to both environmental protection and bioeconomy growth.</div></div>","PeriodicalId":422,"journal":{"name":"Science of the Total Environment","volume":"993 ","pages":"Article 179997"},"PeriodicalIF":8.2,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144536141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Scoping Review of Changing Climate and Weather Connections to Waterborne Pathogens in Coastal Environments","authors":"Bailey M. Magers,&nbsp;Kyle D. Brumfield,&nbsp;Moiz Usmani,&nbsp;Rita R. Colwell,&nbsp;Antarpreet S. Jutla","doi":"10.1111/gcb.70322","DOIUrl":"https://doi.org/10.1111/gcb.70322","url":null,"abstract":"<div>\u0000 \u0000 <p>Correlation of climate and infectious disease has been noted for millennia and recorded in the writings of Hippocrates. Given recent technological advances in both pathogen detection and monitoring of infectious diseases in a time of climate change, a detailed study of their link is now possible. In the aquatic environment, climate change has had an impact on ocean, estuary, and freshwater ecosystems that coincides with increased frequency of waterborne disease outbreaks. With climate change, elevated water temperature, acidification, alteration of salinity, and deoxygenation have been observed, all of which are conditions that influence microbial pathogen growth and multiplication. This review examines 11 waterborne microbial pathogens and the conditions optimal for their growth and proliferation, namely temperature, pH, salinity, and dissolved oxygen. Our findings suggest environmental thresholds for optimal growth of waterborne microbial pathogens that include a temperature range of ~30°C–37°C, pH ~7–8, salinity ~5–25 ppt, and dissolved oxygen levels indicative of eutrophication and hypoxia, ~2 mg L⁻¹. As conditions optimal for waterborne microbial pathogens become global and more frequent, a predictive capability will be essential to mitigate increased risk of severe outbreaks of waterborne diseases.</p>\u0000 </div>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"31 7","pages":""},"PeriodicalIF":10.8,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144537172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Towards a broadly applicable soil algal bioassay using the paper-disc method: Influence of pH and clay fraction in natural soils","authors":"Sun-Hwa Nam, Yubeen Song, Youn-Joo An","doi":"10.1016/j.jhazmat.2025.139128","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.139128","url":null,"abstract":"Long-term soil contamination poses significant ecological risks, necessitating practical tools for comprehensive soil quality assessment. This study introduces the paper-disc method utilizing the soil alga <em>Chlorococcum infusionum</em> to evaluate both natural and historically contaminated soils. This innovative method employs a paper disc interface, facilitating the diffusion of bioavailable contaminants from soil to algae, thereby enabling non-destructive toxicity assessments. In controlled experiments, algal growth responses were analyzed across a gradient of pH levels and clay fraction. Results indicated optimal growth in soils with slightly acidic to near-neutral pH (4.88–5.70) and clay fraction below 50%. Comparative analyses with traditional soil-based assays demonstrated that the paper-disc method effectively mirrors contaminant bioavailability, as evidenced by consistent algal growth inhibition patterns. Furthermore, the method's alignment with global soil pH and texture distributions underscores its broad applicability. By providing a non-invasive, ecologically relevant tool, the paper-disc method enhances current soil quality monitoring techniques and supports sustainable soil management and restoration efforts.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"5 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144547598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A turn-on near-infrared fluorescent probe for monitoring carbon monoxide in bacterial pneumonia and cadmium ion induced abiotic stress responses in plants","authors":"Heshu Zhai, Yueyuan Zhang, Dihua Tian, Zhuye Shang, Miaomiao Wu, Zhiqiang Zhang, Qingtao Meng, Run Zhang","doi":"10.1016/j.jhazmat.2025.139135","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.139135","url":null,"abstract":"Carbon monoxide (CO) is known as a highly toxic gas being emitted during industrial activities. Recent studies confirmed the roles of CO in various biological processes, such as bacterial pneumonia and plants response to abiotic stresses, that can be evaluated <em>in situ</em> using fluorescence probe technology. In this work, a Nile Red-based near-infrared fluorescence probe (<strong>Z1CO</strong>) is developed to evaluate CO production in animal and plant systems. The probe <strong>Z1CO</strong> is designed by conjugating allyl formate moiety that responds to CO specifically to Nile Red fluorophore. In the presence of CO with palladium chloride (PdCl₂), Tsuji–Trost reaction facilitates the cleavage of the allyl formate moiety, resulting in bathochromic-shift of absorption spectra and enhancement of the emission at 665<!-- --> <!-- -->nm within 60<!-- --> <!-- -->min. <strong>Z1CO</strong> features several advantages, including near-infrared emission, large Stokes shift (75<!-- --> <!-- -->nm), high selectivity, low detection limit (0.84<!-- --> <!-- -->μM) and low cytotoxicity <em>in vitro</em>, enabling its applications in monitoring CO production in animal and plant systems. Visualization of CO production in lipopolysaccharide (LPS)-induced acute pneumonia mouse model, monitoring of CO-mediated inflammatory treatment responses and CO functions in plants response to cadmium ion (Cd²⁺)-induced abiotic stress are then demonstrated. This work thus provides a new tool for evaluating the roles of CO in animal and plant systems.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"638 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144547599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}