journal
https://read.qxmd.com/read/38809402/biodegradation-of-phthalic-acid-and-terephthalic-acid-by-comamonas-testosteroni-strains
#1
JOURNAL ARTICLE
Caner Vural, Hamza Ettadili
Phthalic acid isomers are the monomers of phthalate molecules, also known as phthalic acid esters, widely employed in the plastics industry. This study aims to investigate the biodegradation of phthalic acid (PA) and terephthalic acid (TPA) by five industry-borne Comamonas testosteroni strains: 3APTOL, 3ABBK, 2B, 3A1, and C8. To assess the ability of C. testosteroni strains to biodegrade phthalic acid isomers in fermentation media, an analytical method was employed, consisting of high-performance liquid chromatography (HPLC) analyses...
May 29, 2024: Folia Microbiologica
https://read.qxmd.com/read/38771555/unveiling-the-microbial-diversity-of-biofilms-on-titanium-surfaces-in-full-scale-water-cooling-plants-using-metagenomics-approach
#2
JOURNAL ARTICLE
Gayathri Rethinavelu, Rajathirajan Siva Dharshini, Ranjani Manickam, Anandkumar Balakrishnan, Mohandass Ramya, Naga Raju Maddela, Ram Prasad
Microbial colonization on the titanium condenser material (TCM) used in the cooling system leads to biofouling and corrosion and influences the water supply. The primary investigation of the titanium condenser was infrequently studied on characterizing biofilm-forming bacterial communities. Different treatment methods like electropotential charge, ultrasonication, and copper coating of titanium condenser material may influence the microbial population over the surface of the titanium condensers. The present study aimed to catalog the primary colonizers and the effect of different treatment methods on the microbial community...
May 21, 2024: Folia Microbiologica
https://read.qxmd.com/read/38771554/biochemical-characterization-of-a-novel-%C3%AE-galactosidase-from-pedobacter-sp-with-strong-transglycosylation-activity-at-low-lactose-concentration
#3
JOURNAL ARTICLE
Miao Miao, Yuchen Yao, Qiaojuan Yan, Zhengqiang Jiang, Guangming He, Shaoqing Yang
A novel β-galactosidase gene (PbBgal35A) from Pedobacter sp. CAUYN2 was cloned and expressed in Escherichia coli. The gene had an open reading frame of 1917 bp, encoding 638 amino acids with a predicted molecular mass of 62.3 kDa. The deduced amino acid sequence of the gene shared the highest identity of 41% with a glycoside hydrolase family 35 β-galactosidase from Xanthomonas campestris pv. campestris (AAP86763.1). The recombinant β-galactosidase (PbBgal35A) was purified to homogeneity with a specific activity of 65...
May 21, 2024: Folia Microbiologica
https://read.qxmd.com/read/38767834/diversity-and-antimicrobial-susceptibility-patterns-of-clinical-and-environmental-salmonella-enterica-serovars-in-western-saudi-arabia
#4
JOURNAL ARTICLE
Hajrah A Khan, Leena A Neyaz, Hesham A Malak, Wafa A Alshehri, Khaled Elbanna, Sameer R Organji, Fatimah H Asiri, Mohammad S Aldosari, Hussein H Abulreesh
The diverse environmental distribution of Salmonella makes it a global source of human gastrointestinal infections. This study aimed to detect Salmonella spp. and explore their diversity and antimicrobial susceptibility patterns in clinical and environmental samples. Pre-enrichment, selective enrichment, and selective plating techniques were adopted for the Salmonella detection whereas the API 20E test and Vitek Compact 2 system were used to confirm the identity of isolates. Salmonella serovars were subjected to molecular confirmation by 16S rDNA gene sequencing...
May 20, 2024: Folia Microbiologica
https://read.qxmd.com/read/38748205/rhizobacterial-community-and-growth-promotion-trait-characteristics-of-zea-mays-l-inoculated-with-pseudomonas-fluorescens-um270-in-three-different-soils
#5
JOURNAL ARTICLE
Gustavo Santoyo, Carlos Urtis-Flores, Ma Del Carmen Orozco-Mosqueda
There is an increasing demand for bioinoculants based on plant growth-promoting rhizobacteria (PGPR) for use in agricultural ecosystems. However, there are still concerns and limited data on their reproducibility in different soil types and their effects on endemic rhizosphere communities. Therefore, this study explored the effects of inoculating the PGPR, Pseudomonas fluorescens strain UM270, on maize growth (Zea mays L.) and its associated rhizosphere bacteriome by sequencing the 16S ribosomal genes under greenhouse conditions...
May 15, 2024: Folia Microbiologica
https://read.qxmd.com/read/38700831/construction-of-pseudomonas-aeruginosa-sdk-6-with-synthetic-lipase-gene-cassette-and-optimization-of-different-parameters-using-response-surface-methodology-for-over-expression-of-recombinant-lipase
#6
JOURNAL ARTICLE
Damanjeet Kaur, Rupinder Pal Singh, Saurabh Gupta
Lipases are industrially important enzymes having vast applications in various fields. Cloning and expression of lipase enzyme-encoding genes in suitable host lead to their widespread use in different fields. The present study represents the first attempt towards the expression of the synthetic lipase gene in Pseudomonas aeruginosa. An alkalophilic lipase gene (GenBank accession number: NP_388152) from Bacillus subtilis was synthetically designed and introduced in the pJN105 vector and subsequently cloned in Pseudomonas aeruginosa SDK-6...
May 3, 2024: Folia Microbiologica
https://read.qxmd.com/read/38683262/the-use-of-bacillus-subtilis-as-a-cost-effective-expression-system-for-production-of-cholera-toxin-b-fused-factor-viii-epitope-regions-applicable-for-inducing-oral-immune-tolerance
#7
JOURNAL ARTICLE
Vijay Elakkya Vijayakumar, Mookambeswaran A Vijayalakshmi, Sebastien Lacroix-Desmazes, Krishnan Venkataraman
Coagulation factor replacement therapy for the X-linked bleeding disorder Haemophilia, characterized by a deficiency of coagulation protein factor VIII (FVIII), is severely complicated by antibody (inhibitors) formation. The development of FVIII inhibitors drastically alters the quality of life of the patients and is associated with a tremendous increase in morbidity as well as treatment costs. The ultimate goal of inhibitor control is antibody elimination. Immune tolerance induction (ITI) is the only clinically established approach for developing antigen-specific tolerance to FVIII...
April 29, 2024: Folia Microbiologica
https://read.qxmd.com/read/38668814/microbial-consortium-with-multifunctional-attributes-for-the-plant-growth-of-eggplant-solanum-melongena-l
#8
JOURNAL ARTICLE
Tanvir Kaur, Rubee Devi, Rajeshwari Negi, Sanjeev Kumar, Sangram Singh, Sarvesh Rustagi, Sheikh Shreaz, Ashutosh Kumar Rai, Divjot Kour, Ajar Nath Yadav
In the past few decades, the pressure of higher food production to satisfy the demand of ever rising population has inevitably increased the use synthetic agrochemicals which have deterioration effects. Biostimulants containing beneficial microbes (single inoculants and microbial consortium) were found as an ideal substitute of synthetic chemical fertilizers. In recent years, microbial consortium is known as a better bioinoculant in comparison to single inoculant bioformulation because of multifarious plant growth-promoting advantages...
April 26, 2024: Folia Microbiologica
https://read.qxmd.com/read/38652436/antifungal-and-antibiofilm-effect-of-duloxetine-hydrochloride-against-cryptococcus-neoformans-and-cryptococcus-gattii
#9
JOURNAL ARTICLE
Amanda Rodrigues Rehem, Letícia Rampazzo da Gama Viveiro, Evelyn Luzia De Souza Santos, Paulo Henrique Fonseca do Carmo, Newton Soares da Silva, Juliana Campos Junqueira, Liliana Scorzoni
Cryptococcosis is an invasive mycosis caused mainly by Cryptococcus gattii and C. neoformans and is treated with amphotericin B (AMB), fluconazole and 5-fluorocytosine. However, antifungal resistance, limited and toxic antifungal arsenal stimulate the search for therapeutic strategies such as drug repurposing. Among the repurposed drugs studied, the selective serotonin reuptake inhibitors (SSRIs) have shown activity against Cryptococcus spp. However, little is known about the antifungal effect of duloxetine hydrochloride (DH), a selective serotonin and norepinephrine reuptake inhibitor (SSNRI), against C...
April 23, 2024: Folia Microbiologica
https://read.qxmd.com/read/38652435/anti-candida-activity-and-biocompatibility-of-silver-nanoparticles-associated-with-denture-glaze-a-new-approach-to-the-management-of-denture-stomatitis
#10
JOURNAL ARTICLE
Nara Lígia Martins Almeida, Laura Catalí Ferreira Peralta, Fenelon Martinho Lima Pontes, Daniel Rinaldo, Vinicius Carvalho Porto, Vanessa Soares Lara
The association of silver nanoparticles (AgNps) to sealant agent Palaseal® can be a promising alternative for complete denture wearers who may develop denture stomatitis (DS). The study aimed to evaluate the anti-Candida and biocompatible potential of silver nanoparticles synthesized by three routes associated with denture glaze to prevent and/or treat oral candidiasis. Surface acrylic resin specimens were treated with different associations of glaze with AgNps (VER+AgUV, VER+AgTurk and VER+AgGm). As controls, specimens were treated with glaze+nystatin (VER+Nyst), glaze only (VER) or submerged in PBS (PBS)...
April 23, 2024: Folia Microbiologica
https://read.qxmd.com/read/38647991/rare-multi-fungal-sepsis-a-case-of-triple-impact-immunoparalysis
#11
JOURNAL ARTICLE
Bretislav Lipovy, Martin Hladik, Katerina Vyklicka, Iva Kocmanova, Martina Lengerova, Leos Kren, Michal Srnik, Jan Bohm, Petr Andrla, Petra Borilova Linhartova
Patients with burn injury and inhalation injury are highly susceptible to infectious complications, including opportunistic pathogens, due to the loss of skin cover and mucosal damage of respiratory tract as well as the disruption of homeostasis. This case report, a 34-year-old man suffered critical burns, provides the first literature description of triple-impact immunoparalysis (critical burns, inhalation injury, and SARS-CoV-2 infection), leading to a lethal multifocal infection caused by several fungi including very rare environmental representatives Metschnikowia pulcherrima and Wickerhamomyces anomalus...
April 22, 2024: Folia Microbiologica
https://read.qxmd.com/read/38625660/a-rare-case-of-postoperative-metamycoplasma-hominis-surgical-site-infection-in-a-patient-after-bilateral-lung-transplantation
#12
JOURNAL ARTICLE
Jakub Kantor, Jan Tkadlec, Jakub Hurych, Markéta Vaculová, Milena Antušková, Daniela Lžičařová, Vanda Chrenková, Pavel Dřevínek, Oto Melter
Following the COVID-19 infection, the sternum dislocation and wound dehiscence resulted in an infection complicating the recovery of an immunosuppressed patient after bilateral lung transplantation. Anaerobic culture (96 h) of milky cloudy wound secretion resulted in the growth of pinpoint haemolytic colonies identified as Metamycoplasma hominis (formerly Mycoplasma hominis). The search for the endogenous source of the infection found the bacterium exclusively in the patient's sputum, making a possible link to donor lung M...
April 16, 2024: Folia Microbiologica
https://read.qxmd.com/read/38592347/influence-of-a-nanoscale-coating-on-plucking-fingers-and-stainless-steel-on-attachment-and-detachment-of-salmonella-enteritidis-escherichia-coli-and-campylobacter-jejuni
#13
JOURNAL ARTICLE
Victoria Blaeske, Felicitas Maria Schumann-Muck, Ahmad Hamedy, Peggy G Braun, Martin Koethe
Gastroenteritis caused by Campylobacter represents the most common reported foodborne bacterial illness worldwide, followed by salmonellosis. Both diseases are often caused by the consumption of contaminated, insufficiently heated poultry meat. This can result from contamination of the meat during the slaughtering processes. Food contact surfaces like stainless steel or plucking fingers contribute significantly to cross-contamination of poultry carcasses. Modification of these surfaces could lead to a reduction of the bacterial burden, as already proven by successful application in various food industry sectors, such as packaging...
April 9, 2024: Folia Microbiologica
https://read.qxmd.com/read/38581537/optimizing-recombinant-production-of-l-asparaginase-1-from-saccharomyces-cerevisiae-using-response-surface-methodology
#14
JOURNAL ARTICLE
Vida Ebrahimi, Atieh Hashemi
L-asparaginase is an essential enzyme used in cancer treatment, but its production faces challenges like low yield, high cost, and immunogenicity. Recombinant production is a promising method to overcome these limitations. In this study, response surface methodology (RSM) was used to optimize the production of L-asparaginase 1 from Saccharomyces cerevisiae in Escherichia coli K-12 BW25113. The Box-Behnken design (BBD) was utilized for the RSM modeling, and a total of 29 experiments were conducted. These experiments aimed to examine the impact of different factors, including the concentration of isopropyl-b-LD-thiogalactopyranoside (IPTG), the cell density prior to induction, the duration of induction, and the temperature, on the expression level of L-asparaginase 1...
April 6, 2024: Folia Microbiologica
https://read.qxmd.com/read/38568394/type-1-fimbrial-phase-variation-in-multidrug-resistant-asymptomatic-uropathogenic-escherichia-coli-clinical-isolates-upon-adherence-to-htb-4-cells
#15
JOURNAL ARTICLE
Arunita Ghosh, Mandira Mukherjee
The adherence of bladder uroepithelial cells, subsequent expression, and regulation of type 1 fimbrial genes (key mediator of attachment) in clinical multidrug-resistant uropathogenic Escherichia coli (MDR-UPECs) isolated from individuals with asymptomatic bacteriuria (ABU) remain unexplored till date. Therefore, this study aimed to investigate the underlying molecular mechanisms associated with the adherence of clinical MDR-ABU-UPECs to human a uroepithelial cell line (HTB-4), both in the absence and presence of D-Mannose...
April 3, 2024: Folia Microbiologica
https://read.qxmd.com/read/38564153/zno-nanoparticles-induced-biofilm-formation-in-klebsiella-pneumoniae-and-staphylococcus-aureus-at-sub-inhibitory-concentrations
#16
JOURNAL ARTICLE
Sreekanth K, Safa Nechikkadan, Mary Theresa, Radhakrishnan Edayileveettil Krishnankutty
Biofilm formation by the pathogenic bacteria generates a serious threat to the public health as it can increase the virulence potential, resistance to drugs, and escape from the host immune response mechanisms. Among the environmental factors that influence the biofilm formation, there are only limited reports available on the role of antimicrobial agents. During the antimicrobial drug administration or application for any purpose, the microbial population can expect to get exposed to the sub-minimum inhibitory concentration (sub-MIC) of the drug which will have an unprecedented impact on microbial responses...
April 2, 2024: Folia Microbiologica
https://read.qxmd.com/read/38536641/gut-microbiota-dynamics-in-kk-ay-mice-restoration-following-antibiotic-treatment
#17
JOURNAL ARTICLE
Jinni Hong, Tingting Fu, Weizhen Liu, Miao Yu, Yanshan Lin, Cunyun Min, Datao Lin
The primary aim of this study was to investigate the alterations in the microbial community of KK-Ay mice following antibiotic treatment. A comparative analysis of the gut microbiota was conducted between KK-Ay mice treated with antibiotics and those without treatment. The microbial community dynamics in antibiotic-treated KK-Ay mice were meticulously assessed over an eight-week period using 16S rDNA sequencing analysis. Simultaneously, dynamic renal function measurements were performed. The results demonstrated a marked decrease in bacterial DNA abundance following antibiotic intervention, coupled with a substantial reduction in bacterial diversity and a profound alteration in microbial composition...
March 27, 2024: Folia Microbiologica
https://read.qxmd.com/read/38532057/mechanisms-of-medicinal-pharmaceutical-and-immunomodulatory-action-of-probiotics-bacteria-and-their-secondary-metabolites-against-disease-management-an-overview
#18
REVIEW
Sundas Nasreen, Shaukat Ali, Saiqa Andleeb, Muhammad Summer, Tauqeer Hussain, Kaleem Imdad, Chaman Ara, Hafiz Muhammad Tahir
Probiotics or bacteriotherapy is today's hot issue for public entities (Food and Agriculture Organization, and World Health Organization) as well as health and food industries since Metchnikoff and his colleagues hypothesized the correlation between probiotic consumption and human's health. They contribute to the newest and highly efficient arena of promising biotherapeutics. These are usually attractive in biomedical applications such as gut-related diseases like irritable bowel disease, diarrhea, gastrointestinal disorders, fungal infections, various allergies, parasitic and bacterial infections, viral diseases, and intestinal inflammation, and are also worth immunomodulation...
March 27, 2024: Folia Microbiologica
https://read.qxmd.com/read/38526677/phenotypic-and-genotypic-diversity-of-root-nodule-bacteria-from-wild-lathyrus-and-vicia-species-in-gaziantep-turkey
#19
JOURNAL ARTICLE
Sevil Basbuga, Selcuk Basbuga, Canan Can, Fatih Yayla
This study identified the phenotypic and genotypic characteristics of the bacteria that nodulate wild Lathyrus and Vicia species natural distribution in the Gaziantep province of Turkey. Principle component analysis of phenotypic features revealed that rhizobial isolates were highly resistant to stress factors such as high salt, pH and temperature. They were found to be highly sensitive to the concentrations (mg/mL) of the antibiotics neomycin 10, kanamycin, and tetracycline 5, as well as the heavy metals Ni 10, and Cu 10, and 5...
March 25, 2024: Folia Microbiologica
https://read.qxmd.com/read/38512632/optimization-of-production-conditions-isolation-purification-and-characterization-of-tannase-from-filamentous-fungi
#20
JOURNAL ARTICLE
Nisha Thakur, Amarjit K Nath, Amit Sharma
Tannase-producing filamentous fungi residing alongside tannin-rich ambient in the Northwest Himalayas were isolated at laboratory conditions and further identified by 18S ribosomal RNA gene sequencing. Five most potent tannase producing strains (EI ≥ 2.0), designated Aspergillus fumigatus AN1, Fusarium redolens AN2, Penicillium crustosum AN3, Penicillium restrictum AN4, and Penicillium commune AN5, were characterized. The strain Penicillium crustosum AN3 exhibited a maximum zone dia (25...
March 21, 2024: Folia Microbiologica
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