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Journals World Journal of Microbiology ...

World Journal of Microbiology & Biotechnology

https://read.qxmd.com/read/38459287/evaluation-of-the-antifungal-properties-of-nanoliposomes-containing-rhinacanthin-c-isolated-from-the-leaves-of-rhinacanthus-nasutus
#21
JOURNAL ARTICLE
Jirasak Paosupap, Abdul Basit, Warayuth Sajomsang, Sirinporn Nalinbejapun, Sasikarn Sripetthong, Chitchamai Ovatlarnporn
Fungal infections represent a challenging threat to the human health. Microsporum gypseum and Trichophyton rubrum are pathogenic fungi causing various topical mycoses in humans. The globally emerging issue of resistance to fungi demands the development of novel therapeutic strategies. In this context, the application of nanoliposomes as vehicles for carrying active therapeutic agents can be a suitable alternative. In this study, rhinacanthin-C was isolated from Rhinacanthus naustus and encapsulated in nano-liposomal formulations, which were prepared by the modified ethanol injection method...
March 9, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38451356/exploring-fungal-bioemulsifiers-insights-into-chemical-composition-microbial-sources-and-cross-field-applications
#22
REVIEW
Rádamis Barbosa Castor, Maria Helena do Nascimento, Krystyna Gorlach-Lira
The demand for emulsion-based products is crucial for economic development and societal well-being, spanning diverse industries such as food, cosmetics, pharmaceuticals, and oil extraction. Formulating these products relies on emulsifiers, a distinct class of surfactants. However, many conventional emulsifiers are derived from petrochemicals or synthetic sources, posing potential environmental and human health risks. In this context, fungal bioemulsifiers emerge as a compelling and sustainable alternative, demonstrating superior performance, enhanced biodegradability, and safety for human consumption...
March 7, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38451353/dauer-juvenile-recovery-transcriptome-of-two-contrasting-ems-mutants-of-the-entomopathogenic-nematode-heterorhabditis-bacteriophora
#23
JOURNAL ARTICLE
Zhen Wang, Francisco Garcia, Ralf-Udo Ehlers, Carlos Molina
The entomopathogenic nematode Heterorhabditis bacteriophora, symbiotically associated with enterobacteria of the genus Photorhabdus, is a biological control agent against many insect pests. Dauer Juveniles (DJ) of this nematode are produced in industrial-scale bioreactors up to 100 m3 in liquid culture processes lasting approximately 11 days. A high DJ yield (> 200,000 DJ·mL-1 ) determines the success of the process. To start the mass production, a DJ inoculum proceeding from a previous monoxenic culture is added to pre-cultured (24 h) Photorhabdus bacteria...
March 7, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38446232/strategies-to-enhance-stress-tolerance-in-lactic-acid-bacteria-across-diverse-stress-conditions
#24
REVIEW
A S Derunets, A I Selimzyanova, S V Rykov, A E Kuznetsov, O V Berezina
Lactic acid bacteria (LAB) hold significant importance in diverse fields, including food technology, industrial biotechnology, and medicine. As basic components of starter cultures, probiotics, immunomodulators, and live vaccines, LAB cells resist a variety of stressors, including temperature fluctuations, osmotic and pH shocks, exposure to oxidants and ultraviolet radiation, substrate deprivation, mechanical damage, and more. To stay alive in these adversities, LAB employ a wide range of stress response strategies supported by various mechanisms, for example rearrangement of metabolism, expression of specialized biomolecules (e...
March 6, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38441818/evaluation-of-molecular-typing-methods-for-some-scab-causing-streptomyces-strains-from-turkey
#25
JOURNAL ARTICLE
Kenan Karagoz, Fatih Dadasoglu, Burak Alaylar, Recep Kotan
This study was conducted for identifying phylogenetic relationships between 15 scab-causing Streptomyces species including S. bottropensis, S. europaeiscabiei, S. scabiei, S. stelliscabiei and, other 11 Streptomyces sp. All of the strains were originally isolated from symptomatic potatoes in Erzurum Province, The Eastern Anatolia Region of Turkey. Some morphological and biochemical properties of the strains were defined in our former research. Then, 16 s rRNA regions of them were sequenced. After the sequence data assembly, phylogenetic analyzes were performed...
March 5, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38441817/peptide-recovery-from-chicken-feather-keratin-and-their-anti-biofilm-properties-against-methicillin-resistant-staphylococcus-aureus-mrsa
#26
JOURNAL ARTICLE
Samira Alahyaribeik, Madineh Nazarpour
Bacteria have the potential to adhere to abiotic surfaces, which has an undesirable effect in the food industry because they can survive for sustained periods through biofilm formation. In this study, an antibacterial peptide (ABP), with a molecular mass of 3861 Da, was purified from hydrolyzed chicken feathers using a locally isolated keratinolytic bacterium, namely Rhodococcus erythropolis, and its antibacterial and antibiofilm potential were investigated against planktonic and biofilm cells of Methicillin-Resistant Staphylococcus Aureus (MRSA)...
March 5, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38441804/antimicrobial-activity-of-cationic-water-soluble-porphyrin-against-multidrug-resistant-bacteria-in-biofilms-and-canine-skin-samples
#27
JOURNAL ARTICLE
Mayara Rosa Bernicker, Caroline Arend Birrer, Marlane Geribone Seeger, Bernardo Almeida Iglesias, Fernanda Silveira Flôres Vogel, Juliana Felipetto Cargnelutti
Multidrug-resistant (MDR) microorganisms pose a threat to animal health, particularly in integumentary diseases, which can be caused by multiple organisms and often manifest as biofilms, hindering treatment effectiveness. We evaluated the antimicrobial activity of antimicrobial photodynamic therapy (aPDT) using a water-soluble tetra-cationic porphyrin (4-H2 TMeP) against MDR bacteria cultured in biofilm and in mono and polyculture grown on canine skin samples. We utilized 4-H2 TMeP porphyrin against MDR Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus pseudintermedius...
March 5, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38441800/bacillus-safensis-filtrate-based-zno-nanoparticles-control-black-heart-rot-disease-of-apricot-fruits-by-maintaining-its-soluble-sugars-and-carotenoids
#28
JOURNAL ARTICLE
Farhana, Abu Bakr Umer Farooq, Urooj Haroon, Hira Saleem, Mahnoor Akbar, Maryam Anar, Muhammad Nawaz, Hassaan Ateeb Ahmad, Junaid Ahmed, Hassan Javed Chaudhary, Muhammad Farooq Hussain Munis
Black heart rot is a serious disease of apricot and it has been reported to be caused by Alternaria solani, around the world. The present research was designed to control this disastrous disease using zinc oxide nanoparticles (b-ZnO NPs). These NPs were synthesized in the filtrate of a useful bacterium (Bacillus safensis) and applied to control black heart rot of apricot. After synthesis, the reduction of b-ZnO NPs was confirmed by UV-visible spectroscopy, at 330 nm. Fourier transform infrared (FTIR) spectra ensured the presence of multiple functional groups (alcohols, phenols, carboxylic acids, nitro compounds and amines) on the surface of b-ZnO NPs...
March 5, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38441729/crispri-induced-transcriptional-regulation-of-iah1-gene-and-its-influence-on-volatile-compounds-profile-in-kluyveromyces-marxianus-du3
#29
JOURNAL ARTICLE
Luis A Muñoz-Miranda, Andrea Catalina Zepeda-Peña, Leticia Casas-Godoy, Alejandro Pereira-Santana, Andrés Méndez-Zamora, Iliana Barrera-Martínez, Luis Rodríguez-Zapata, Anne Christine Gschaedler-Mathis, Luis J Figueroa-Yáñez
Mezcal is a traditional Mexican distilled beverage, known for its marked organoleptic profile, which is influenced by several factors, such as the fermentation process, where a wide variety of microorganisms are present. Kluyveromyces marxianus is one of the main yeasts isolated from mezcal fermentations and has been associated with ester synthesis, contributing to the flavors and aromas of the beverage. In this study, we employed CRISPR interference (CRISPRi) technology, using dCas9 fused to the Mxi1 repressor factor domain, to down-regulate the expression of the IAH1 gene, encoding for an isoamyl acetate-hydrolyzing esterase, in K...
March 5, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38433170/bioprospecting-photosynthetic-microorganisms-for-the-removal-of-endocrine-disruptor-compounds
#30
REVIEW
Birgitta Narindri Rara Winayu, Feng-Jen Chu, Christoper Caesar Yudho Sutopo, Hsin Chu
Endocrine disruption compounds can be found in various daily products, like pesticides, along with cosmetic and pharmaceutical commodities. Moreover, occurrence of EDCs in the wastewater alarms the urgency for their removal before discharge owing to the harmful effect for the environment and human health. Compared to implementation of physical and chemical strategies, cultivation of photosynthetic microorganisms has been acknowledged for their high efficiency and eco-friendly process in EDCs removal along with accumulation of valuable byproducts...
March 4, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38429597/lactobacillus-derived-components-for-inhibiting-biofilm-formation-in-the-food-industry
#31
REVIEW
Jiaxun Li, Qiuxiang Zhang, Jianxin Zhao, Hao Zhang, Wei Chen
Biofilm, a microbial community formed by especially pathogenic and spoilage bacterial species, is a critical problem in the food industries. It is an important cause of continued contamination by foodborne pathogenic bacteria. Therefore, removing biofilm is the key to solving the high pollution caused by foodborne pathogenic bacteria in the food industry. Lactobacillus, a commonly recognized probiotic that is healthy for consumer, have been proven useful for isolating the potential biofilm inhibitors. However, the addition of surface components and metabolites of Lactobacillus is not a current widely adopted biofilm control strategy at present...
March 2, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38429532/organic-farming-promotes-the-abundance-of-fungi-keystone-taxa-in-bacteria-fungi-interkingdom-networks
#32
JOURNAL ARTICLE
Filipe Pereira Matteoli, Antonio M M Silva, Victor L V P de Araújo, Henrique P Feiler, Elke J B N Cardoso
Soil bacteria-fungi interactions are essential in the biogeochemical cycles of several nutrients, making these microbes major players in agroecosystems. While the impact of the farming system on microbial community composition has been extensively reported in the literature, whether sustainable farming approaches can promote associations between bacteria and fungi is still unclear. To study this, we employed 16S, ITS, and 18S DNA sequencing to uncover how microbial interactions were affected by conventional and organic farming systems on maize crops...
March 2, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38429465/study-and-characterization-of-a-product-based-on-a-vegetable-extract-of-quinoa-fermented-with-water-kefir-grains
#33
JOURNAL ARTICLE
Flavia Leticia Sanches, Cláudia Moreira Santa Catharina Weis, Giovanna Camile Vaz Gonçalves, Gessica Suiany Andrade, Luan Gabriel Techi Diniz, Aline Frumi Camargo, Simone Kubeneck, Gabriel Henrique Klein, Larissa Capeletti Romani, Vitoria Dassoler Longo, Monize Bürck, Luciano Tormen, Anna Rafaela Cavalcante Braga, Catia Tavares Dos Passos Francisco, Helen Treichel, Larissa Canhadas Bertan
This work aimed to study and characterize a product based on vegetable extract of quinoa (WVEQ) fermented with water kefir grains. The effect of sucrose concentration (SC), inulin concentration (IC), and xanthan gum (XG) concentration were evaluated using a central composite design (CCD) 23 . They were subsequently characterized regarding cellular growth of the grains, beverage yield, pH, soluble solids, carbon dioxide (CO2 ) production, lactic acid, and ethanol production. Therefore, for the final stage, two formulations (F1 and F8) of the CCD were chosen to be characterized in terms of proximate composition, microbiological composition of the kefir culture, analysis of organic compounds, sensory analysis, and enzymatic and microbiological characterization before and after simulation of in vitro gastrointestinal digestion...
March 2, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38418714/improvement-of-the-production-and-quality-of-cordyceps-javanica-conidia-for-the-control-of-diaphorina-citri-adults
#34
JOURNAL ARTICLE
Armando Ordaz-Hernández, Roberto Montesinos-Matías, Marco A Mellín-Rosas, Teresa Pérez-Aguirre, Octavio Loera, Alejandro Angel-Cuapio
This study aimed to evaluate the use of palm kernel meal (PKM) in the traditional solid-state fermentation system to improve the production and quality of Cordyceps javanica conidia. The impact of PKM was determined by measuring conidia yield, viability, hydrophobicity, shelf life, and conidia pathogenicity against Diaphorina citri adults. By supplementing rice grains with 5% palm kernel meal increased the conidial yield by up to 40%, without compromising conidia viability and hydrophobicity. In addition, conidia caused higher levels of mortality by mycosis against D...
February 29, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38418710/leuconostoc-mesenteroides-and-liquorilactobacillus-mali-strains-isolated-from-algerian-food-products-are-producers-of-the-postbiotic-compounds-dextran-oligosaccharides-and-mannitol
#35
JOURNAL ARTICLE
Kenza Zarour, Ahmed Fouad Zeid, Mari Luz Mohedano, Alicia Prieto, Mebrouk Kihal, Paloma López
Six lactic acid bacteria (LAB) isolated from Algerian sheep's milk, traditional butter, date palm sap and barley, which produce dextran, mannitol, oligosaccharides and vitamin B2 have been characterized. They were identified as Leuconostoc mesenteroides (A4X, Z36P, B12 and O9) and Liquorilactobacillus mali (BR201 and FR123). Their exopolysaccharides synthesized from sucrose by dextransucrase (Dsr) were characterized as dextrans with (1,6)-D-glucopyranose units in the main backbone and branched at positions O-4, O-2 and/or O-3, with D-glucopyranose units in the side chain...
February 29, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38418624/metagenomics-analysis-of-water-samples-collected-from-the-yamuna-river-of-agra-city-india
#36
JOURNAL ARTICLE
Nupur Raghav, Pooja Saraswat, Sunil Kumar, Anurag Chaurasia, Rajiv Ranjan
Yamuna River water in Agra city of India is contaminated with toxic pollutants, including heavy metals that cause damage to the environment and human health. At present, the direct use of river water for drinking purposes and household activities lead to the direct exposure of society to the contaminants. In this study, Yamuna River water samples were collected from three different sites in Agra city during the monsoon, summer, and winter seasons. The physico-chemical parameters were estimated along with heavy metals...
February 29, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38418617/establishing-a-pulmonary-aspergillus-fumigatus-infection-diagnostic-platform-based-on-rpa-crispr-cas12a
#37
JOURNAL ARTICLE
Chunhui Lin, Jing Zhou, Nana Gao, Runde Liu, Ge Li, Jinyu Wang, Guoping Lu, Jilu Shen
In this study, we devised a diagnostic platform harnessing a combination of recombinase polymerase amplification (RPA) and the clustered regularly interspaced short palindromic repeats (CRISPR)/Cas12a system. Notably, this platform obviates the need for intricate equipment and finds utility in diverse settings. Two result display methods were incorporated in this investigation: the RPA-Cas12a-fluorescence method and the RPA-Cas12a-LFS (lateral flow strip). Upon validation, both display platforms exhibited no instances of cross-reactivity, with seven additional types of fungal pathogens responsible for respiratory infections...
February 29, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38416247/habitat-shapes-the-gut-microbiome-diversity-of-malayan-tigers-panthera-tigris-jacksoni-as-revealed-through-metabarcoding-16s-rrna-profiling
#38
JOURNAL ARTICLE
Millawati Gani, Abd Rahman Mohd-Ridwan, Frankie Thomas Sitam, Zubaidah Kamarudin, Siti Suzana Selamat, Nik Mohd Zamani Awang, Kayal Vizi Karuppannan, Badrul Munir Md-Zain
The gut microbiome refers to the microorganism community living within the digestive tract. The environment plays a crucial role in shaping the gut microbiome composition of animals. The gut microbiome influences the health and behavior of animals, including the critically endangered Malayan tiger (Panthera tigris jacksoni). However, the gut microbiome composition of Malayan tigers, especially those living in their natural habitats, remains poorly understood. To address this knowledge gap, we used next-generation sequencing DNA metabarcoding techniques to analyze the gut microbiome of wild Malayan tigers using fecal samples collected from their natural habitats and in captivity...
February 28, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38416182/transplantation-of-soil-from-organic-field-confers-disease-suppressive-ability-to-conducive-soil
#39
JOURNAL ARTICLE
Shivani Khatri, Annapurna Bhattacharjee, Yashbir S Shivay, Shilpi Sharma
Organic agriculture is a sustainable method of farming, and confers disease-suppressing abilities to disease-conducive soils via specialized soil microbiomes. This study aimed at transforming a disease-conducive soil from a conventional field into disease-suppressive soil by inoculating soil from an organic field previously established as "disease-suppressive". The effectiveness of the transformed soil was established with the model plant wheat (Triticum aestivum) grown under natural conditions, with regard to its potential in inhibiting fungal phytopathogens, Rhizoctonia solani and Fusarium oxysporum...
February 28, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38411743/bacillus-species-as-tools-for-biocontrol-of-plant-diseases-a-meta-analysis-of-twenty-two-years-of-research-2000-2021
#40
JOURNAL ARTICLE
Cleyson Pantoja Serrão, Jean Carlo Gonçalves Ortega, Paulo Canas Rodrigues, Cláudia Regina Batista de Souza
The traditional way of dealing with plant diseases has been the use of chemical products, but these harm the environment and are incompatible with the global effort for sustainable development. The use of Bacillus and related species in the biological control of plant diseases is a trend in green agriculture. Many studies report the positive effect of these bacteria, but a synthesis is still necessary. So, the objective of this work is to perform a meta-analysis of Bacillus biocontrol potential and identify factors that drive its efficacy...
February 27, 2024: World Journal of Microbiology & Biotechnology
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