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At least 19 recordsLinked to original sources

PubMed2026

Complete Genome Sequence of Atractylodes virus A, a Novel Carlavirus Infecting Atractylodes lancea.

Atractylodes lancea is an important medicinal crop, but viral diseases have become increasingly severe in recent years. Viruses in the genus Carlavirus are common plant pathogens that are primarily transmitted by aphids and can cause stunted growth and reduced yields in their host plants. In this study, a novel carlavirus, tentatively named Atractylodes virus A (AVA), was identified from A. lancea plants exhibiting virus-like symptoms. The full-length genome of AVA is 8,817 nt in length and contains six open reading frames, displaying the typical genomic organization of the genus Carlavirus. The replicase and CP exhibit 53.43% and 56.72% amino acid identity, respectively, with those of previously characterized carlaviruses, indicating that AVA represents a novel species in the genus Carlavirus. This study expands our understanding of viral diversity in A. lancea and provides a scientific foundation for the prevention and control of viral diseases as well as for resistance breeding.

Genome, Viral↗

PubMed2026

Molecular diagnostics and integrated management challenges of tobacco streak virus: Current status and future perspectives.

Tobacco streak virus (TSV) is an economically important viral pathogen causing severe yield and quality losses in several agricultural, horticultural and medicinal crops worldwide. Its complex epidemiology involving sap transmission, infected pollen and pollen-feeding thrips, together with symptom similarity to other necrosis-inducing pathogens, frequently results in misdiagnosis and delayed disease management. This review critically evaluates recent advances in TSV diagnostics and integrated disease management strategies. Particular emphasis is placed on the transition from conventional biological and serological assays to advanced molecular diagnostics including reverse transcription polymerase chain reaction (RT-PCR), quantitative real-time PCR, multiplex PCR and emerging isothermal amplification technologies such as recombinase polymerase amplification (RPA) and loop-mediated isothermal amplification (LAMP). The review also highlights emerging innovations including CRISPR/Cas-based diagnostics in addition, integrated management approaches involving phytosanitation, weed reservoir management, vector ecology-based, host resistance breeding, RNA interference (RNAi) and genome editing technologies are critically analysed. Major challenges including inadequate field validation, limited multiplex capability, poor assay standardization and scarcity of resistant cultivars are discussed. Future objectives to develop quick, field-adaptable and durable TSV detection and management methods are additionally discussed.

CRISPR/Cas diagnostics↗

PubMed2025

Transcriptome and metabolome profiling of the medicinal plant Dictamnus dasycarpus reveal key genes involved in quinoline alkaloids biosynthesis and limonoids biosynthesis.

BACKGROUND: As a member of Rutaceae family, Dictamnus dasycarpus Turcz. represents a prominent medicinal plant and economically valuable crop in traditional Chinese medicine, and is renowned for its therapeutic efficacy in treating dermatological conditions. The pharmacological activity of this species primarily stems from quinoline alkaloids and limonoids, which predominantly accumulate in the taproots. These bioactive compounds serve as critical determinants of both medicinal quality and crop yield. Nevertheless, the molecular mechanisms governing their dynamic accumulation patterns in D. dasycarpus taproots remain uncertain, and the fundamental biochemical basis underlying this process has yet to be elucidated. RESULTS: Metabolomic and transcriptomic analyses were carried out to investigate metabolites and gene expression during the development of D. dasycarpus taproots. The differentially accumulated secondary metabolites (DAMs) mainly included quinoline alkaloids and limonoids, and the accumulation of total alkaloids and total limonoids primarily occurred during 2- and 4-year-old. The differentially expressed genes (DEGs) are related to Glycolysis/Gluconeogenesis, Phenylalanine, tyrosine and tryptophan biosynthesis, Tryptophan metabolism, Terpenoid backbone biosynthesis, Sesquiterpenoid and triterpenoid biosynthesis, which had a close relationship with the accumulation of quinoline alkaloids and limonoids. Furthermore, we identified that some CYP450s, acetyltransferase, isomerase, 2-ODDs and others may play an important role in the process of producing quinoline alkaloids and limonoids. CONCLUSION: These results elucidated the molecular mechanisms and metabolic changes underlying the dynamic accumulation process occurring in the taproots of D. dasycarpus. These findings provide a theoretical basis for the planting and harvesting of D. dasycarpus.

Limonins↗

PubMed2025

De novo transcriptome assembly and gene expression analysis of Cnidium officinale under high-temperature conditions.

BACKGROUND: The medicinal plant Cnidium officinale (CO) is widespread in Northeast Asia and vulnerable to heat stress. The naturally occurring composition of pharmacological ingredients of CO results in overall physiological consequences; therefore, it is crucial to have a comprehensive understanding of metabolic response to ambient heat in terms of acclimation to estimate how much CO is exposed to threatening environmental conditions. RESULTS: Transcriptome analysis is critical for understanding the consequences of long-term physiological adaptation of CO to abiotic stress. However, transcriptome analysis on this species, particularly under prolonged stress conditions, has remained limited. We employed a temperature gradient tunnel (TGT) to subject CO to high-temperature exposure for four months, enabling us to observe the cumulative effects of heat and assess its acclimation mechanisms. In the absence of genome sequencing data, we performed de novo transcriptome assembly and compared DEGs from temperature treatment plots of a TGT and a growth chamber (GC). Since interpreting transcriptomic data can be complex, we employed a sequential analytical approach, including DEG clustering, GO enrichment, KEGG pathway mapping, miRNA-target gene analysis, and multiple rounds of RNA sequencing validation. DEGs were classified into two categories: genes exhibiting significant fold changes and genes showing significant count changes rather than fold changes. Then, we analyzed the functional roles of DEGs to determine which pathways respond to ambient and stressful high temperatures and validated the findings through cross-comparison with GC. Additionally, we conducted miRNA analysis to investigate post-transcriptional regulation under high temperatures. CO grown under higher ambient temperatures exhibited slight upregulation of pathways related to protein stability and turnover, ABA biosynthesis, and energy production, such as photosynthesis and oxidative phosphorylation. However, under extreme heat stress, most metabolic pathways were downregulated except for those involved in transcription, translation, oxidative phosphorylation and the biosynthesis of cutin, suberin, and wax. CONCLUSION: This study demonstrated that proper clustering of genes based on expression levels and fold changes in two different experimental conditions, along with pathway mapping, may provide a comprehensive understanding of CO's response to heat stress. These insights could contribute to future research on heat tolerance and crop improvement.

Gene Expression Profiling↗

PubMed2026

Bacillus subtilis isolated from medicinal plants rhizosphere effectively controls Cercospora leaf spot and improves plant growth in mung bean (Vigna radiata).

BACKGROUND: Mung bean is an important leguminous crop, which is reported to face devastating yield losses of up to 70% due to Cercospora leaf spot (CLS) disease. Traditional methods, such as the application of agrochemicals and fungicides, have been used to control CLS, but their intensive use has toxic effects on edible crops. METHODS: To find out a sustainable alternative, this study characterizes a strain, Bacillus subtilis Medicinal_04, isolated from Cannabis sativa rhizosphere and explores its role as an eco-friendly biofungicide and biostimulant. The species level identification of the isolate was confirmed by Average Nucleotide Identity (ANIb) and a digital DNA-DNA hybridization (dDDH). The antagonistic efficacy of B. subtilis Medicinal_04 against Cercospora canescens was evaluated in vitro as well as in planta assays. RESULTS: ANIb of 97.80% and a dDDH score of 85.90% against the reference B. subtilis str. 168. confirmed this isolate as B. subtilis. The in-vitro results showed that B. subtilis robustly inhibited C. canescens growth by 81.5%, strongly correlated with positive chitinolytic activity and a diverse genomic array of secondary metabolite biosynthetic gene clusters. The in planta results demonstrated that B. subtilis seed priming reduced disease incidence by 80 and 71.4%, while foliar application resulted in reductions of 90 and 85.7% for NM-51 and NM-20-21 varieties, respectively. Furthermore, fungicide application successfully reduced disease, however it caused noticeable phytotoxic reductions in root-shoot architecture and chlorophyll content. In contrast, biological interventions completely bypassed these trade-offs as B. subtilis application displayed improved root-shoot length, pod number, and chlorophyll content, while simultaneously enhancing antioxidative enzyme activities (SOD, POD, and CAT) and PR-1 gene expression. CONCLUSION: These findings demonstrate that B. subtilis Medicinal_04 has the potential to serve as a multifunctional biocontrol agent and is capable of securing high-level disease suppression and optimizing plant productivity, offering a valuable toolkit for climate-smart, sustainable agriculture.

Bacillus subtilis↗

PubMed1977

[The social hygieneic importance of the cooperation of internal medicine and stomatology].

The contents of this paper are divided into three parts: the first points to the health risk for the dentist and his patients which has only been recently recognised to its full extent and seriousness: the transmission of virus hepatitis during dental treatment. The second section tries to enrol the help of oral surgery to detect the large number of unrecognised cases of hypertension through the introduction of blood pressure measurement into dental practice. The subject of the third section is the problem patients and patient problems deriving from medical diseases which crop up almost daily in dental practice and which should lead to interdisciplinary consultation between oral surgery and internal medicine.

Dental Care↗

PubMed2026

Comprehensive transcriptomic analysis of BjGL1-knockout Brassica juncea: novel insights into leaf trichome formation.

Brassica juncea is a common cruciferous crop, which can be used not only for oil extraction but also as condiments and medicinal materials. It is regarded by both traditional medicine and modern nutrition science as a food with combined dietary and health promoting value. Leaf trichomes are hair-like structures differentiated from epidermal cells and constitute an important barrier against biotic and abiotic stresses, playing a crucial role in enhancing plant resistance and thus possessing significant scientific relevance. In this study, the phenotype and gene editing site of BjA06.GL1 and BjB02.GL1 knockout mustard T1 generation plants were identified. Then, RNA sequencing was performed to compare the leaf transcriptome profiles between gene-edited lines and wild-type plants, with the aim of elucidating the molecular regulatory mechanisms by which BjGL1 controls leaf trichome development and associated biological processes in mustard. The sequencing data showed that, on average, 90.64% of the reads uniquely aligned to the Brassica juncea (Xuecai) reference genome. A total of 4,604 differentially expressed genes were identified in this study. Compared with the gene knockout mutant, 1,831 genes were significantly upregulated and 2,773 genes were downregulated in mustard leaves with trichomes. The differentially expressed genes were mainly enriched in pathways related to cytochrome P450 (CYP), transporters, environmental adaptation, and plant-pathogen interactions. These pathways are closely associated with secondary metabolite biosynthesis, transmembrane transport, and responses to abiotic stress and pathogen defense. qRT-PCR validation confirmed consistent expression trends of trichome regulatory genes screened from transcriptome data. This study provides an important theoretical basis for elucidating molecular mechanisms potentially contributing to trichome formation in mustard.

Mustard Plant↗

PubMed2025

Harnessing fern stress adaptations: From evolution and ecophysiology to molecular biology.

Ferns are the second most diverse vascular plant lineage after angiosperms and have been a key ecological component of Earth's biodiversity for more than 380 million years. Importantly, ferns are sister to seed plants, providing a critical outgroup for understanding the evolution of seed plant features. Ferns are remarkably resilient to abiotic and biotic stresses due to a long evolutionary history with adaptations to diverse habitats, stresses, and herbivores. As a result, ferns produce a multitude of secondary metabolites with unique bioactivities; these chemicals are potentially linked to the adaptation of ferns to herbivory, various abiotic and biotic stresses, and changing environments. Assembled reference genomes and the identification of key metabolic compounds of multiple ferns have already made significant contributions to human health and well-being. Here, we review the recent scientific advances in fern research, including evolution, stress resistance, metabolites and medicinal utilization, and comparative multi-omics applications. We propose that integrated investigations involving ecological, physiological, and molecular techniques will facilitate the future research translation of fern resources in diverse areas including soil remediation, biopesticides, and medicine. Advances in our understanding of fern molecular biology will provide new insights into the evolution of land plants and promote the utilization of ferns for heightened environmental restoration, crop protection and human health.

Ferns↗

PubMed2026

Complete telomere-to-telomere genome assembly of Guazuma ulmifolia uncovers evolutionary mechanisms, drought adaptation, and flavonoid biosynthesis.

The first T2T reference genome of Guazuma ulmifolia is reported, which serves as a core genomic resource for stress adaptation research and stress-tolerant breeding in cacao wild relatives. Climate change, particularly increased incidence of drought, poses a major threat to food security. Understanding the genomic basis of environmental adaptation in crop wild relatives can provide valuable resources for improving stress resilience. Guazuma ulmifolia, a wild relative of Theobroma cacao with important ecological and medicinal value, lacks high-quality reference genomic resources. Here, we report the first telomere-to-telomere (T2T) chromosome-level genome assembly of G. ulmifolia, with a genome size of 311.31 Mb, contig N50 of 35.19 Mb, and 98.70% BUSCO completeness. Repetitive sequences constitute 27.43% of the G. ulmifolia genome, with LTR retrotransposons as the predominant class. Comparative genomic analyses revealed that genome-size variation among Malvaceae species is associated with differences in polyploidization history and TE dynamics. Ancestral karyotype reconstruction identified five lineage-specific chromosome fusion events distinguishing G. ulmifolia from T. cacao. Comparative analyses further identified tandem duplication-associated expansion of stress-related LEA and GST gene families, suggesting potential genomic features associated with stress responses. Flavonoid biosynthesis genes were largely conserved in copy number but showed tissue-specific expression patterns, providing candidate genes for investigating secondary metabolism. Together, this study establishes a high-quality T2T genome resource for exploring genome evolution, chromosome organization, and stress-related genomic features in Malvaceae.

Genome, Plant↗

PubMed2026

Genetically Modified and Gene-Edited Organisms-Objectives, Public Perception and Applications.

Genetic modification and genome editing have become important tools in agriculture, animal production, biotechnology, and human medicine, but their safety and societal acceptance remain subjects of debate. This review examines genetically modified (GM) and gene-edited organisms, distinguishing transgenesis from precision genome editing technologies, including CRISPR/Cas9, base editing, and prime editing. Representative applications in crops, livestock, pharmaceutical production, and xenotransplantation are discussed, together with their regulatory framework and public perception. Current scientific assessments indicate that approved GM foods are not inherently more hazardous to human health than their conventional counterparts when evaluated case by case. Potential benefits include improved nutritional quality, biofortification, disease resistance, increased agricultural efficiency, production of therapeutic proteins, and applications in animal health and medicine. Possible concerns include allergenicity, toxicity, unintended genetic or phenotypic effects, altered nutritional composition, environmental consequences, animal welfare issues, and uncertainties associated with long-term or large-scale deployment. Public acceptance varies substantially according to geographical region, application, cultural and ethical considerations, regulatory environment, scientific literacy, and institutional trust. Overall, GM and gene-edited organisms should not be considered a homogeneous category. Their benefits, risks, and societal acceptability depend on the specific organism, genetic modification, intended trait, and context of use, supporting a balanced, evidence-based, and case-specific approach.

acceptance↗

PubMed2026

Advances in the Application of Adenine Base Editor (ABE) in Biology and Medicine: Prospects and Challenges.

Adenine base editors (ABEs), which achieve A·T to G·C conversions in the genome precisely, symbolize a groundbreaking development in genetic engineering across animal, plant, and microbial systems. This review systematically summed up the research progress and current challenges of ABE in medical and biological applications: it outlined the historical context and pivotal milestones of its technological development; it emphasized major therapeutic advances for genetic diseases including spinal muscular atrophy, mitochondrial genetic disorders, and hyperlipidemia; it provided a comprehensive overview of its prospective uses for enhancing genetic traits in agricultural crops, including grains and fruits; this review conducted a multidimensional assessment of ABE performance through systematic comparison with other base editing technologies, comprehensively evaluating both editing efficiency and inherent limitations. It specifically addresses biosecurity risks such as off-target effects and genomic instability. Finally, safety concerns were proposed as the central challenge hindering its clinical translation, although ABE holds immense promise for precision medicine and agricultural breeding. Unlike previous reviews that mainly summarized early ABE development and general applications, this review particularly emphasizes recently engineered ABE systems, translational bottlenecks, delivery strategies, comparative clinical feasibility, and unresolved biosafety challenges that currently limit broader therapeutic and agricultural applications.

Adenine base editors↗

PubMed1978

Hazardous solid waste from agriculture.

Large quantities of food processing, crop, forestry, and animal solid wastes are generated in the United States each year. The major components of these wastes are biodegradable. However, they also contain components such as nitrogen, human and animal pathogens, medicinals, feed additives, salts, and certain metals, that under uncontrolled conditions can be detrimental to aquatic, plant, animal, or human life. The most common method of disposal of these wastes is application to the land. Thus the major pathways for transmission of hazards are from and through the soil. Use of these wastes as animal feed also can be a pathway. While at this time there are no crises associated with hazardous materials in agricultural solid wastes, the potential for problems should not be underestimated. Manpower and financial support should be provided to obtain more detailed information in this area, esepcially to better delineate transport and dispersal and to determine and evaluate risks.

Agriculture↗

PubMed2026

Complete genome sequence of Bacillus subtilis strain S-LA1, a potential plant probiotic endophyte from the medicinal plant Leucas aspera.

Bacillus subtilis strain S-LA1 is an endophytic bacterium isolated from Leucas aspera roots that harbors a 4.2 Mbp genome predicted to encode several traits for nutrient acquisition, plant growth promotion, and plant probiotic efficacy. Genomic characterization underscores its potential as a microbial resource supporting sustainable agriculture and crop disease management strategies.

Bacillus↗

PubMed2026

Addressing the dual-use of antifungals and fungal antimicrobial resistance (fAMR) through a One Health approach.

Fungal antimicrobial resistance (fAMR) is accelerating, driven in part by the dual-use of antifungal modes of action in agriculture and medicine, threatening therapy. Addressing this challenge requires a unified One Health response that balances agricultural productivity, economic stability, and human and animal health. By focusing on the United Kingdom's policy approach, we argue that current efforts are constrained by fragmented governance, surveillance and regulation. To resolve this, we propose three policy recommendations: 1. a cross-government fAMR body, 2. mandatory environmental and clinical surveillance, and 3. for fungicide approvals to look beyond crop pathogens and integrate risk assessments for potential hotspots of resistance selection in human fungal pathogens. These measures will safeguard current and future antifungals while providing much-needed regulatory clarity and will be translatable to other national and regional contexts.

Journal Article↗

PubMed1979

Large animal hepatotoxic and nephrotoxic plants.

The hepatotoxic and nephrotoxic plants of large domestic animals have been reviewed. The most important ones are those widely distributed as weeds over pastures, negelcted forests and grasslands, those used as ornamentals, the nitrate concentrating forage crops, and the cyanophoric plants. Crotolaria spp, the ragwort (Senecia jacobaea), the lantana spp. and heliotopum are common hepatoxic plants. Amaranthus retroflexus, Datura stramonium, Solanum rostratum, and the castor oil plant (Ricinus communis) are nephrotoxic plants.

Animals↗

PubMed1977

The impact of colonialism on health and health services in Tanzania.

This article is about the problems of malnutrition and disease in a rural area of an underdeveloped country, Tanzania. The particular way in which health problems were conceptualized during the colonial era, the structure of the medical services established, and the effects of health care on the health status and size of the rural population of Songea District in Tanzania are shown in the article to have been determined by the economic, social, and political requirements of German and British colonial rulers rather than by the health needs of the African population. Colonial economic policy emphasized the production of cash crops for export, whether by African peasant farmers or by European plantation owners. To provide workers for the plantations, a system of labor migration was instituted. Songea District became an area that supplied male workers to other parts of the country, with grave consequences to the health and nutrition of the women and children left behind. Domestic food production was neglected by Africans forced to migrate in search of cash to pay taxes and by those enganged in the cultivation of cash crops. Extensive malnutrition and persistent ill health related to poor diet are thus traced directly to capitalist underdevelopment of th Tanzanian economy and the structural distortions of a dependent relationship between Tanzania and the metropolitan power.

Adolescent↗

PubMed1976

Occupational protein contact dermatitis in food handlers.

The preparation of food in restaurant kitchens carries a high risk of occupational dermatoses. Analysis of 33 cases revealed four different etiological types. Simple irritant dermatitis was rare (2 cases), plain contact dermatitis was more common (6 cases). Fifteen patients had relevant patch tests and scratch tests; ten had positive scratch tests only to explain the cause of their dermatitis. The last type was termed protein contact dermatitis. The major type IV allergens incriminated were metals, onion and garlic. The major proteinaceous allergens indicated by history and test results were fish and shell-fish. Open patch tests with the incriminated foods may cause erythema or oedema on normal skin after 20 minutes. Previously eczematous, now normal looking, skin often responds with a crop of dyshidrotic vesicles preceded by erythema and itching 30 minutes after the application of an open test. Examination for specific IgE is not always positive in such cases. Inhalant allergy was rare. The results indicate that food handlers are sensitized by the protein they touch, and then react to later contact with the proteins. Protein contact dermatitis is similarly common among veterinary surgeons, while the importance in other occupational groups remains to be studied.

Adolescent↗

PubMed1978

Absence of plant uptake and translocation of polybrominated biphenyls (PBBs).

Studies of polybrominated biphenyl (PBB) uptake by plants have been conducted in hydroponic solutions and in greenhouse experiments with soil. Autoradiograms of corn and soybean seedlings grown in hydroponic solutions showed no translocation of 14C-PBB from 14C-PBB-treated solutions to plant tops or within the leaf from 14C-PBB-treated spots on the upper leaf surface. A significant portion of the 14C-PBB associated with the roots was removed when the roots were dipped in acetone. Three root crops (radishes, carrots, and onions) were grown in two soils, each treated with a mixture of FireMaster BP-6 (PBB) and 14C-PBB to achieve final concentrations of 100 ppm and 100 ppb. All roots showed more PBB when grown in the soil with the lower clay and organic matter content than they did when grown in the soil with more clay and organic matter. In the latter soil (clay loam) no PBB was detected in any roots from the 100 ppb treatment. More PBB was associated with roots of carrot than of radish or onion. Corn leaf whorls containing dust from a PBB contamination soil and washed radishes from a heavily contaminated garden showed no PBB.

Biphenyl Compounds↗