journal
https://read.qxmd.com/read/38903802/prodigiosin-unveiling-the-crimson-wonder-a-comprehensive-journey-from-diverse-bioactivity-to-synthesis-and-yield-enhancement
#1
REVIEW
Yonglin Lu, Derun Liu, Renhui Jiang, Ziyun Li, Xueyan Gao
Prodigiosin (PG) is a red tripyrrole pigment from the prodiginine family that has attracted widespread attention due to its excellent biological activities, including anticancer, antibacterial and anti-algal activities. The synthesis and production of PG is of particular significance, as it has the potential to be utilized in a number of applications, including those pertaining to clinical drug development, food safety, and environmental management. This paper provides a systematic review of recent research on PG, covering aspects like chemical structure, bioactivity, biosynthesis, gene composition and regulation, and optimization of production conditions, with a particular focus on the biosynthesis and regulation of PG in Serratia marcescens...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903801/editorial-the-role-of-viruses-in-marine-environments
#2
EDITORIAL
Min Jin, Yi Gong, Claire Geslin, Tianliang He, Xiaobo Zhang
No abstract text is available yet for this article.
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903800/the-sweating-process-promotes-toxigenic-fungi-expansion-and-increases-the-risk-of-combined-contamination-of-mycotoxins-in-radix-dipsaci
#3
JOURNAL ARTICLE
Yangyan Ge, Lulu Wang, Dapeng Su, Qingsong Yuan, Chenghong Xiao, Min Hu, Chuanzhi Kang, Lanping Guo, Tao Zhou, Jinqiang Zhang
Sweating is one of the most important processing methods of Chinese medicinal herbs. However, the high temperature and humidity environment required for sweating Chinese medicinal herbs makes it very easy for fungi to breed, especially toxigenic fungi. The mycotoxins produced by these fungi will then contaminate the Chinese medicinal herbs. In this study, we explored the changes in mycobiota, toxigenic fungi, and mycotoxins with and without sweating in Radix Dipsaci (RD), a typical representative of traditional Chinese medicine that requires processing through sweating...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903799/highly-diverse-microbial-community-of-regenerated-seedlings-reveals-the-high-capacity-of-the-bulb-in-lily-lilium-brownii
#4
JOURNAL ARTICLE
Sauban Musa Jibril, Wu Yan, Yi Wang, Xishen Zhu, Zhou Yunying, Jie Wu, Ling Wang, Limin Zhang, Chengyun Li
Lily bulbs, which have both nutrient storage and reproductive functions, are a representative group of plants for studying the maintenance and transfer of plant-associated microbiomes. In this study, a comparison of the microbial composition of bulbs and their regenerated seedlings cultured under aseptic conditions, as well as subcultured seedlings that succeeded five times, was examined by amplicon sequencing. A total of 62 bacterial taxa and 56 fungal taxa were found to be transferred to the 5th generation in seedlings, which are the core microbiome of lily...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903798/epitope-screening-and-self-assembled-nanovaccine-molecule-design-of-pdcov-s-protein-based-on-immunoinformatics
#5
JOURNAL ARTICLE
Yaping Chen, Xinqi Song, Wenshuang Chen, Xinyi Zhao, Li Yang, Dongyu Liu
Based on the whole virus or spike protein of pigs, δ coronavirus (PDCoV) as an immunogen may have unrelated antigenic epitope interference. Therefore, it is essential for screening and identifying advantageous protective antigen epitopes. In addition, immunoinformatic tools are described as an important aid in determining protective antigenic epitopes. In this study, the primary, secondary, and tertiary structures of vaccines were measured using ExPASy, PSIPRED 4.0, and trRosetta servers. Meanwhile, the molecular docking analysis and vector of the candidate nanovaccine were constructed...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903797/cas-oprad-a-one-pot-rpa-pcr-crispr-cas12-assay-for-on-site-phytophthora-root-rot-detection
#6
JOURNAL ARTICLE
Zhiting Li, Wanzhen Feng, Zaobing Zhu, Shengdan Lu, Mingze Lin, Jiali Dong, Zhixin Wang, Fuxiu Liu, Qinghe Chen
Phytophthora sojae is a devastating plant pathogen that causes soybean Phytophthora root rot worldwide. Early on-site and accurate detection of the causal pathogen is critical for successful management. In this study, we have developed a novel and specific one-pot RPA/PCR-CRISPR/Cas12 assay for on-site detection (Cas-OPRAD) of Phytophthora root rot ( P. sojae ). Compared to the traditional RPA/PCR detection methods, the Cas-OPRAD assay has significant detection performance. The Cas-OPRAD platform has excellent specificity to distinguish 33 P...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903796/the-peptidoglycan-associated-lipoprotein-gene-mutant-elicits-robust-immunological-defense-in-mice-against-salmonella-enteritidis
#7
JOURNAL ARTICLE
Guixin Zhao, Wenlong Duan, Lu Zhang, Wenchao Sun, Wan Liu, Xiaoyu Zhang, Yanying Zhang, Qiumei Shi, Tonglei Wu
BACKGROUND: Salmonella enteritidis ( S. enteritidis ), a zoonotic pathogen with a broad host range, presents a substantial threat to global public health safety. Vaccination stands as an effective strategy for the prevention and control of S. enteritidis infection, highlighting an immediate clinical need for the creation of safe and efficient attenuated live vaccines. METHODS: In this study, a S. enteritidis peptidoglycan-associated lipoprotein ( pal ) gene deletion strain (Δ pal ), was constructed...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903795/polyextremophile-engineering-a-review-of-organisms-that-push-the-limits-of-life
#8
REVIEW
Joaquin Caro-Astorga, Joseph T Meyerowitz, Devon A Stork, Una Nattermann, Samantha Piszkiewicz, Lara Vimercati, Petra Schwendner, Antoine Hocher, Charles Cockell, Erika DeBenedictis
Nature exhibits an enormous diversity of organisms that thrive in extreme environments. From snow algae that reproduce at sub-zero temperatures to radiotrophic fungi that thrive in nuclear radiation at Chernobyl, extreme organisms raise many questions about the limits of life. Is there any environment where life could not "find a way"? Although many individual extremophilic organisms have been identified and studied, there remain outstanding questions about the limits of life and the extent to which extreme properties can be enhanced, combined or transferred to new organisms...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903794/understanding-the-burden-of-antibiotic-resistance-a-decade-of-carbapenem-resistant-gram-negative-bacterial-infections-in-italian-intensive-care-units
#9
JOURNAL ARTICLE
Giovanni Scaglione, Matilde Perego, Marta Colaneri, Camilla Genovese, Fabio Brivio, Alice Covizzi, Bruno Viaggi, Alessandra Bandera, Andrea Gori, Stefano Finazzi, Emanuele Palomba
INTRODUCTION: In patients admitted to intensive care units (ICUs), Gram-negative bacteria (GNB) infections pose significant challenges due to their contribution to morbidity, mortality, and healthcare costs. During the SARS-CoV-2 pandemic, Italy witnessed a rise in healthcare-associated infections (HAIs), with GNBs involved in a substantial proportion of cases. Concerningly, carbapenem-resistant GNBs (CR-GNBs) have increased worldwide, posing therapeutic challenges. METHODS: Retrospective multicentre study analysing data from over 299,000 patients admitted to Italian ICUs from 2013 to 2022...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903793/genotypic-and-phenotypic-analysis-of-salmonella-enterica-serovar-derby-looking-for-clues-explaining-the-impairment-of-egg-isolates-to-cause-human-disease
#10
JOURNAL ARTICLE
German Matias Traglia, Laura Betancor, Lucia Yim, Andrés Iriarte, José Alejandro Chabalgoity
Salmonella enterica serovar Derby causes foodborne disease (FBD) outbreaks worldwide, mainly from contaminated pork but also from chickens. During a major epidemic of FBD in Uruguay due to S. enteritidis from poultry, we conducted a large survey of commercially available eggs, where we isolated many S. enteritidis strains but surprisingly also a much larger number (ratio 5:1) of S . Derby strains. No single case of S . Derby infection was detected in that period, suggesting that the S . Derby egg strains were impaired for human infection...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903792/the-arginine-transporter-can1-negatively-regulates-biofilm-formation-in-yeasts
#11
JOURNAL ARTICLE
Akira Nishimura, Ryoya Tanahashi, Kazuki Nakagami, Yuto Morioka, Hiroshi Takagi
The arginine transporter Can1 is a multifunctional protein of the conventional yeast Saccharomyces cerevisiae . Apart from facilitating arginine uptake, Can1 plays a pivotal role in regulating proline metabolism and maintaining cellular redox balance. Here, we report a novel function of Can1 in the control of yeast biofilm formation. First, the S. cerevisiae CAN1 gene knockout strain displayed a significant growth delay compared to the wild-type strain. Our genetic screening revealed that the slow growth of the CAN1 knockout strain is rescued by a functional deficiency of the FLO8 gene, which encodes the master transcription factor associated with biofilm formation, indicating that Can1 is involved in biofilm formation...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903791/-wolbachia-endosymbionts-in-drosophila-regulate-the-resistance-to-zika-virus-infection-in-a-sex-dependent-manner
#12
JOURNAL ARTICLE
Ghada Tafesh-Edwards, Margarita Kyza Karavioti, Klea Markollari, Dean Bunnell, Stanislava Chtarbanova, Ioannis Eleftherianos
Drosophila melanogaster has been used extensively for dissecting the genetic and functional bases of host innate antiviral immunity and virus-induced pathology. Previous studies have shown that the presence of Wolbachia endosymbionts in D. melanogaster confers resistance to infection by certain viral pathogens. Zika virus is an important vector-borne pathogen that has recently expanded its range due to the wide geographical distribution of the mosquito vector. Here, we describe the effect of Wolbachia on the immune response of D...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903790/advances-in-biosynthesis-and-metabolic-engineering-strategies-of-cordycepin
#13
REVIEW
Ting Peng, Jinlin Guo, Xinxin Tong
Cordyceps militaris , also called as bei-chong-cao, is an insect-pathogenic fungus from the Ascomycota phylum and the Clavicipitaceae family. It is a valuable filamentous fungus with medicinal and edible properties that has been utilized in traditional Chinese medicine (TCM) and as a nutritious food. Cordycepin is the bioactive compound firstly isolated from C. militaris and has a variety of nutraceutical and health-promoting properties, making it widely employed in nutraceutical and pharmaceutical fields. Due to the low composition and paucity of wild resources, its availability from natural sources is limited...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903789/the-zebrafish-model-requires-a-standardized-synthetic-microbial-community-analogous-to-the-oligo-mouse-microbiota-omm12
#14
JOURNAL ARTICLE
Estefania Garibay-Valdez, Marcel Martínez-Porchas, Francisco Vargas-Albores, Diana Medina-Félix, Luis Rafael Martínez-Córdova
No abstract text is available yet for this article.
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903788/investigating-the-effects-of-radiation-t-cell-depletion-and-bone-marrow-transplantation-on-murine-gut-microbiota
#15
JOURNAL ARTICLE
Jakub Kreisinger, James Dooley, Kailash Singh, Dagmar Čížková, Lucie Schmiedová, Barbora Bendová, Adrian Liston, Alena Moudra
Microbiome research has gained much attention in recent years as the importance of gut microbiota in regulating host health becomes increasingly evident. However, the impact of radiation on the microbiota in the murine bone marrow transplantation model is still poorly understood. In this paper, we present key findings from our study on how radiation, followed by bone marrow transplantation with or without T cell depletion, impacts the microbiota in the ileum and caecum. Our findings show that radiation has different effects on the microbiota of the two intestinal regions, with the caecum showing increased interindividual variation, suggesting an impaired ability of the host to regulate microbial symbionts, consistent with the Anna Karenina principle...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903787/deciphering-the-antiviral-nature-of-endophytic-bacillus-spp-against-groundnut-bud-necrosis-virus-in-cowpea-and-tomato
#16
JOURNAL ARTICLE
M Gayathri, R Sharanya, P Renukadevi, S Nakkeeran, N Saranya, S Varanavasiappan, M Raveendran, A Suhail, Saad Alkahtani
Tomato, the important vegetable crop, is severely affected by Orthotospovirus arachinecrosis which impacts heavy economic losses. The application of insecticide to manage viral diseases is not an environmentally safe approach. In view of these issues, we investigated the antiviral efficacy of 21 bacterial endophytes against GBNV in local lesion host (Cowpea-VBN3). Based on the reduction in lesion number and virus titer as estimated through both DAC ELISA and qPCR in cowpea, the bacterial endophytes viz., Bacillus licheniformis Soya1, Bacillus tequilensis NBL6, and Bacillus velezensis VB7 were selected and further tested in tomato...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903786/metabarcoding-reveals-a-high-diversity-and-complex-eukaryotic-microalgal-community-in-coastal-waters-of-the-northern-beibu-gulf-china
#17
JOURNAL ARTICLE
Chaofan Wang, Junning Gu, Weiguo Li, Jian Wang, Zhaohui Wang, Qiuqi Lin
Beibu Gulf is an important semi-enclosed bay located in the northwestern South China Sea, and is famous for its high bio-productivity and rich bio-diversity. The fast development along the Beibu Gulf Economical Rim has brought pressure to the environment, and algal blooms occurred frequently in the gulf. In this study, surface water samples and micro-plankton samples (20-200 μm) were collected in the northern Beibu Gulf coast. Diversity and distribution of eukaryotic planktonic microalgae were analyzed by both metabarcoding and microscopic analyses...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903785/removal-of-metals-and-emergent-contaminants-from-liquid-digestates-in-constructed-wetlands-for-agricultural-reuse
#18
JOURNAL ARTICLE
Pau Porras-Socias, Maria Paola Tomasino, Joana P Fernandes, Alexandre B De Menezes, Belén Fernández, Gavin Collins, Maria João Alves, Ricardo Castro, Carlos R Gomes, C Marisa R Almeida, Ana Paula Mucha
Given the increasing pressure on water bodies, it is imperative to explore sustainable methodologies for wastewater treatment and reuse. The simultaneous presence of multiples contaminants in complex wastewater, such as the liquid effluents from biogas plants, can compromise biological treatment effectiveness for reclaiming water. Vertical subsurface flow constructed wetlands were established as low-cost decentralized wastewater treatment technologies to treat the liquid fraction of digestate from municipal organic waste with metals, antibiotics, and antibiotic resistance genes, to allow its reuse in irrigation...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903784/effect-of-thermal-treatment-of-illite-on-the-bioavailability-of-copper-and-zinc-in-the-aerobic-composting-of-pig-manure-with-corn-straw
#19
JOURNAL ARTICLE
Maia Escobar, Jiaoyang Ji, Yueru Wang, Meiqin Feng, Changjie Bao, Jianxun Ma, Shijia Cui, Sihan Zang, Jinpeng Zhang, Wei Zhang, Guang Chen, Huan Chen
The large amount of various types of heavy metals in animal manure applied to agricultural field has caused severe threat to the ecosystems of soil environments. In this study, the effect of thermal treatment of illite on the bioavailability of copper (Cu) and zinc (Zn) in the aerobic composting of pig manure with corn straw biochar was investigated. The objectives of this study were to characterize the variations in the bioavailability of Cu and Zn in the aerobic composting of pig manure added with illite treated with high temperatures and to identify the relatively dominant microbes involved in the formation of humus and passivation of heavy metals in pig manure composting based on 16S rRNA high-throughput sequencing analysis...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38903783/utilisation-of-lactiplantibacillus-plantarum-and-propionic-acid-to-improve-silage-quality-of-amaranth-before-and-after-wilting-fermentation-quality-microbial-communities-and-their-metabolic-pathway
#20
JOURNAL ARTICLE
Muqier Zhao, Jian Bao, Zhijun Wang, Pengbo Sun, Jingyi Liu, Yuting Yan, Gentu Ge
OBJECTIVE: The aim of this study was to investigate the effects of Lactiplantibacillus plantarum ( L. plantarum ) and propionic acid (PA) on fermentation characteristics and microbial community of amaranth ( Amaranthus hypochondriaus ) silage with different moisture contents. METHODS: Amaranth was harvested at maturity stage and prepared for ensiling. There were two moisture content gradients (80%: AhG, 70%: AhS; fresh material: FM) and three treatments (control: CK, L...
2024: Frontiers in Microbiology
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