5,890 results match your criteria Archives Of Microbiology[Journal]


Expression profile screening and bioinformatics analysis of CircRNA, LncRNA, and mRNA in HeLa cells infected with Chlamydia muridarum.

Arch Microbiol 2022 May 27;204(6):352. Epub 2022 May 27.

NHC Key Laboratory of Hormones and Development, Tianjin Key Laboratory of Metabolic Diseases, Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, 300134, China.

We have previously shown that circRNAs in host cells are involved in the process of Chlamydia trachomatis infection. In this study we aimed to identify significantly altered circRNAs/lncRNAs/mRNAs in Chlamydia muridarum infected cells and investigate their biological functions in the interaction between Chlamydia muridarum and host cells. For this purpose, circRNA, lncRNA and mRNA expression profiles were screened and identified in HeLa cells with or without Chlamydia muridarum infection by microarray. Read More

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New sources of lactic acid bacteria with potential antibacterial properties.

Arch Microbiol 2022 May 26;204(6):349. Epub 2022 May 26.

Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4 Str, 87-100, Toruń, Poland.

In the face of the growing demand for functional food, the search for new sources of lactic acid bacteria (LAB) becomes a priority. In our research, we used multiplied culture conditions followed by identification via the matrix-assisted laser desorption ionization-time of flight mass spectrometry for seeking LAB strains in plant- and animal-derived sources. Furthermore, the selected LAB isolates were examined for their proteolytic activity as well as antimicrobial action against different bacterial pathogens. Read More

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Tumor tissue-specific bacterial biomarker panel for colorectal cancer: Bacteroides massiliensis, Alistipes species, Alistipes onderdonkii, Bifidobacterium pseudocatenulatum, Corynebacterium appendicis.

Arch Microbiol 2022 May 26;204(6):348. Epub 2022 May 26.

Department of Research, Sir Ganga Ram Hospital, New Rajinder Nagar, Delhi, India.

Human microbiome studies have shown diversity to exist among different ethnic populations. However, studies pertaining to the microbial composition of CRC among the Indian population have not been well explored. We aimed to decipher the microbial signature in tumor tissues from North Indian CRC patients. Read More

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Antioxidant potential and molecular docking of bioactive compound of Camellia sinensis and Camellia assamica with cytochrome P450.

Arch Microbiol 2022 May 26;204(6):350. Epub 2022 May 26.

Gurukula Kangri (Deemed to be University), Haridwar, Uttarakhand, India.

Camellia sinensis and Camellia assamica are well known for their medicinal and therapeutic potential. The purpose of this work is to assess the flavonoid content and antioxidant potential of methanol extracts of C. sinensis (MES) and acetone extract of C. Read More

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Paraburkholderia bengalensis sp. nov. isolated from roots of Oryza sativa, IR64.

Arch Microbiol 2022 May 25;204(6):347. Epub 2022 May 25.

Division of Plant Biology, Bose Institute, P/12 C.I.T. Scheme VII M, Kolkata, West Bengal, 700 054, India.

Paraburkholderia bengalensis sp. nov. strain IR64_4_BI was isolated from rice roots cultivated in Madhyamgram field station of Bose Institute, West Bengal, India. Read More

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Lectins ConA and ConM extracted from Canavalia ensiformis (L.) DC and Canavalia rosea (Sw.) DC inhibit planktonic Candida albicans and Candida tropicalis.

Arch Microbiol 2022 May 24;204(6):346. Epub 2022 May 24.

Universidade Regional do Cariri, URCA, Cel Antônio Luis, Pimenta, Crato, CE, 1161, 63105-000, Brazil.

Lectins participate in the defense against microorganisms and in signaling the damage caused by pathogens to the cell surface and/or intracellular in plants. This study aims to analyze the antifungal potential of lectins extracted from seeds of Canavalia ensiformis (L.) DC and Canavalia rosea (Sw. Read More

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Neorhizobium xiangyangii sp. nov., isolated from a highland barley cultivation soil in Qamdo, Tibet.

Arch Microbiol 2022 May 23;204(6):345. Epub 2022 May 23.

College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China.

A novel Gram-negative, aerobic, rod-shaped and non-nitrogen fixing bacterium named T786 was isolated from a highland barley cultivation soil in Qamdo, Tibet Autonomous Region, PR China. Strain T786 grew at 5-30 ℃ and pH 6.0-10. Read More

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The thnI gene is not required for thurincin H biosynthesis or immunity.

Arch Microbiol 2022 May 20;204(6):344. Epub 2022 May 20.

Graduate Program in Biosciences, Life Science Division, University of Guanajuato Campus Irapuato-Salamanca, 36500, Irapuato, Guanajuato, Mexico.

Thurincin H is a bacteriocin produced by Bacillus thuringiensis, it is encoded in a group of ten genes, most of which have been characterized experimentally or by homology. However, the activity of the thnI gene encoding a 95 amino acid ORF remains unknown. In this work, the thnI gene was cloned under the regulation of two promoters and transformed into a sensitive strain to determine if it acts as an immunity protein. Read More

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Enhancing proteolytic activity of Lysobacter enzymogenes using cold atmospheric plasma.

Arch Microbiol 2022 May 20;204(6):343. Epub 2022 May 20.

Department of Nano-Biotechnology, New Technologies Research Group, Pasteur Institute of Iran (IPI), No. 69, Pasteur Ave, Tehran, Iran.

Cold atmospheric plasma (CAP) is being used recently as a modern technique for microbial random mutagenesis. In the present study, CAP was used to induce mutagenesis in L. enzymogenes which is the bacteria known for producing proteolytic enzymes especially lysyl endopeptidase (Lys C). Read More

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Role of gene regulation and inter species interaction as a key factor in gut microbiota adaptation.

Arch Microbiol 2022 May 20;204(6):342. Epub 2022 May 20.

Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China.

Gut microbiota is a class of microbial flora present in various eukaryotic multicellular complex animals such as human beings. Their community's growth and survival are greatly influenced by various factors such as host-pathogen, pathogen-environment and genetic regulation. Modern technologies like metagenomics have particularly extended our capacity to uncover the microbial treasures in challenging conditions like communities surviving at high altitude. Read More

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Seasonal variation and tissues specificity of endophytic fungi of Dillenia indica L. and their extracellular enzymatic activity.

Arch Microbiol 2022 May 20;204(6):341. Epub 2022 May 20.

Mycology and Plant Pathology Lab., Department of Botany, Panjab University Chandigarh, Chandigarh, 160014, India.

Endophytes are microbes that live inside the tissues of plants without causing any disease. Many of these belonging to fungi have been exploited earlier for their biological activities. This study focused on the exploration and characterization of culturable endophytic fungi inhabiting the medicinal plant Dillenia indica L. Read More

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Oceanisphaera pacifica sp. nov., isolated from the intestine of Trichiurus japonicus.

Arch Microbiol 2022 May 19;204(6):338. Epub 2022 May 19.

Marine College, Shandong University, Weihai, 264209, Shandong, People's Republic of China.

A Gram-stain-negative, strictly aerobic, non-flagellated, oxidase- and catalase-positive, rod-shaped marine bacterium, designated strain DM8, was isolated from the intestine of Trichiurus japonicus in Weihai, China. The strain optimally grew at 25-35℃, with 1.0-4. Read More

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Cultured and uncultured microbial community associated with biogas production in anaerobic digestion processes.

Arch Microbiol 2022 May 19;204(6):340. Epub 2022 May 19.

Laboratório de Biotecnologia Ambiental, Universidade Federal da Integração Latino-Americana - Unila., Jd Universitário, Av. Tarquínio Joslin dos Santos, 1000, Foz do Iguaçu, PR, 85870-650, Brazil.

The search for sustainable development has increased interest in the improvement of technologies that use renewable energy sources. One of the alternatives in the production of renewable energy comes from the use of waste including urban solids, animal excrement from livestock, and biomass residues from agro-industrial plants. These materials may be used in the production of biogas, making its production highly sustainable and environmentally friendly. Read More

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Prevalence of Bacillus cereus in dairy powders focusing on its toxigenic genes and antimicrobial resistance.

Arch Microbiol 2022 May 19;204(6):339. Epub 2022 May 19.

Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.

Bacillus cereus is a common environmental foodborne microorganism that is mainly found to harbor toxigenic genes with multiple antibiotic resistances and is linked to threatening the safety of dried milk in concern to powdered infant milk formula. In the current investigation, the mean value of B. cereus in 140 samples of powdered milk was 0. Read More

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Genomic and metabolomic profiling of endolithic Rhodococcus fascians strain S11 isolated from an arid serpentine environment.

Arch Microbiol 2022 May 19;204(6):336. Epub 2022 May 19.

Department of Biology, Sonoma State University, Rohnert Park, CA, USA.

Genomic and metabolomic studies of endolithic bacteria are essential for understanding their adaptations to extreme conditions of the rock environment and their contributions to mineralization and weathering processes. The endoliths of arid serpentine rocks are exposed to different environmental stresses, including desiccation and re-hydration, temperature fluctuations, oligotrophy, and high concentrations of heavy metals. Bacteria of the genus Rhodococcus commonly inhabit endolithic environments. Read More

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Purification and characterization of a Metschnikowia pulcherrima killer toxin with antagonistic activity against pathogenic microorganisms.

Arch Microbiol 2022 May 19;204(6):337. Epub 2022 May 19.

Department of Food Engineering, Faculty of Engineering, Süleyman Demirel University, Isparta, Turkey.

Yeasts can produce toxins in protein or glycoprotein structures that can act as an inhibitor on some bacteria and yeast species. The effects of those toxins on the growth of pathogenic and food spoilage microorganisms are subject to various studies. Metschnikowia pulcherrima was determined to be a killer toxin-producing yeast that was tested against three selected microorganisms, namely Escherichia coli Type-I, Micrococcus luteus and Candida albicans. Read More

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Examining the genomic features of human and plant-associated Burkholderia strains.

Authors:
Louis Berrios

Arch Microbiol 2022 May 19;204(6):335. Epub 2022 May 19.

Department of Biology, Stanford University, Stanford, CA, 94305, USA.

Humans and plants have evolved in the near omnipresence of a microbial milieu, and the factors that govern host-microbe interactions continue to require scientific exploration. To better understand if and to what degree patterns between microbial genomic features and host association (i.e. Read More

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Characteristics of a capnophilic small colony variant of Escherichia coli co-isolated with two other strains from a patient with bacteremia in China.

Arch Microbiol 2022 May 18;204(6):333. Epub 2022 May 18.

Department of Laboratory Medicine, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China.

Small colony variants (SCVs) are a slow-growing subpopulation of bacteria characterized by their atypical colony morphology and distinct biochemical properties, which are known to cause chronic persistent infections. Here, we investigated the characteristics of three phenotypes of Escherichia coli, including a capnophilic SCV, co-isolated from a 64-year-old patient with bacteremia in China. The three strains were identified as a capnophilic strain (EC1), a capnophilic SCV (EC2), and a normal colony strain (EC3). Read More

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Genomic characterization of three bacteriophages targeting multidrug resistant clinical isolates of Escherichia, Klebsiella and Salmonella.

Arch Microbiol 2022 May 19;204(6):334. Epub 2022 May 19.

Central Department of Biotechnology, Tribhuvan University, Kirtipur, Nepal.

Application of bacteriophages (phages) to treat complex multidrug-resistant bacterial infection is gaining traction because of its efficacy and universal availability. However, as phages are specific to their host, a diverse collection of locally isolated phage from various geographical locations is required to formulate a wide host range phage cocktail. Here, we report morphological and genomic features of three newly isolated phages from river water of the urban region in Kathmandu, Nepal, targeting three different bacteria (Escherichia coli, Klebsiella pneumoniae and Salmonella enterica. Read More

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Phosphate solubilizing epilithic and endolithic bacteria isolated from clastic sedimentary rocks, Murree lower Himalaya, Pakistan.

Arch Microbiol 2022 May 18;204(6):332. Epub 2022 May 18.

Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan.

Rock microbes are capable to solubilize phosphate present in the rocks.. In this study, we focused on the isolation of phosphate solubilizing bacteria from rocks of Murree, Pakistan. Read More

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Tapioca starch and skim milk support probiotic efficacy of Lactiplantibacillus plantarum post-fermentation medium against pathogens and cancer cells.

Arch Microbiol 2022 May 17;204(6):331. Epub 2022 May 17.

Department of Bioengineering, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey.

The production of functional foods containing prebiotic ingredients is an area of particular interest and a very promising market with the potential to dominate the food industry. This study aims to explore the potential of starch-based prebiotic tapioca and skim milk, as low-cost and easily accessible food sources and as natural and "clean label" food ingredients on the probiotic activities of Lactiplantibacillus plantarum (formerly Lactobacillus plantarum). The results show that concomitant use of the modified tapioca starch and skim milk promotes the antibacterial and anti-cancer properties of L. Read More

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Antifungal activity screening of fractions from Annona cherimola Mill. leaf extract against Fusarium oxysporum.

Arch Microbiol 2022 May 17;204(6):330. Epub 2022 May 17.

Tecnológico Nacional de México/Instituto Tecnológico de Veracruz, Unidad de Investigación y Desarrollo en Alimentos, Miguel Ángel de Quevedo 2779, Colonia Formando Hogar, 91897, Veracruz, VER, México.

The antifungal effect of ethanolic extract fractions of Annona cherimola leaves against the mycelial growth of Fusarium oxysporum was studied. The ethanolic crude extract was solvent partitioned and the ethyl acetate phase was fractionated by column or preparative thin-layer chromatography. All fractions were developed on TLC and analyzed for acetogenins (ACG) with Kedde reagent. Read More

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Ibuprofen involves with the reduced expression of pelD and pelF in pathogenic Pseudomonas aeruginosa strains.

Arch Microbiol 2022 May 16;204(6):329. Epub 2022 May 16.

Department of Biology, University of Guilan, Rasht, Iran.

Biofilm formation is an important factor in disease development by Pseudomonas aeruginosa. Similar to many bacterial species, biofilm formation in P. aeruginosa is regulated by the bacterial quorum sensing system. Read More

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Inter-cluster competition and resource partitioning may govern the ecology of Frankia.

Arch Microbiol 2022 May 16;204(6):326. Epub 2022 May 16.

Bioinformatics Facility, University of North Bengal, Siliguri, West Bengal, India.

Microbes live in a complex communal ecosystem. The structural complexity of microbial community reflects diversity, functionality, as well as habitat type. Delineation of ecologically important microbial populations along with exploration of their roles in environmental adaptation or host-microbe interaction has a crucial role in modern microbiology. Read More

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Whole-genome sequence analysis of Clostridium chauvoei isolated from clinical case of black quarter (BQ) from India.

Arch Microbiol 2022 May 16;204(6):328. Epub 2022 May 16.

ICAR-National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI), Yelahanka, Karnataka, 560064, Bengaluru, India.

Black quarter (BQ) is an infectious disease affecting cattle and small ruminants worldwide caused by Gram-positive anaerobic bacterium Clostridium chauvoei. In this study, a draft genome sequence of C. chauvoei NIVEDIBQ1 strain isolated from clinical case of black quarter was analyzed. Read More

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Molecular analysis of dominant paranasal sinus bacteria in patients with and without chronic rhinosinusitis.

Arch Microbiol 2022 May 16;204(6):327. Epub 2022 May 16.

Microbial Biotechnology Research Center, Iran University of Medical Sciences, Tehran, Iran.

Recent studies have established the possible role of microbiota in developing various diseases. In this regard, attention has shifted to the evaluation of microbiota changes in the paranasal sinuses and its relationship to chronic rhinosinusitis (CRS), especially CRS with nasal polyposis (CRSwNP). This study aimed to examine the bacterial communities of the sphenoidal sinus in Iranian patients with and without CRS. Read More

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Alteromonas oceanisediminis sp. nov., isolated from deep-sea sediment.

Arch Microbiol 2022 May 16;204(6):325. Epub 2022 May 16.

State Key Laboratory of Microbial Technology, Marine Biotechnology Research Center, Shandong University, Qingdao, 266237, China.

A Gram-stain-negative, aerobic and rod-shaped bacterium, designated strain SM 2104, was isolated from a deep-sea sediment sample collected from the Southwest Indian Ocean. Strain SM 2104 grew at 10-37 °C (optimum at 25 °C), and with 1.0-9. Read More

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Degradation and detoxification of reactive yellow dyes by Scedosporium apiospermum: a mycoremedial approach.

Arch Microbiol 2022 May 16;204(6):324. Epub 2022 May 16.

Geobiotechnology Laboratory, National College (Autonomous), (Affiliated to Bharathidasan University), Tiruchirapalli, Tamil Nadu, 620001, India.

Textile industrial effluents have long enunciated the essentiality of ascertaining an efficient wastewater treatment for the removal of azo dyes given their potential disturbances on the ecosystem. Our study investigated the efficiency of the strain SKF2 among 14 other isolates, molecularly identified to be Scedosporium apiospermum, isolated by our research group from the textile effluent sludge in the degradation of two azo dyes, Reactive Yellow 145 and Remazol Yellow RR. Kinetic profiling of the degradation process revealed the decolourisation efficiency to be 94. Read More

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Correction to: The dysbiosis gut microbiota induces the alternation of metabolism and imbalance of Th17/Treg in OSA patients.

Arch Microbiol 2022 May 14;204(6):319. Epub 2022 May 14.

Department of Respiratory Medicine, Zhejiang Hospital, 1229 Gudun Road, Xihu District, Hangzhou, 310012, Zhejiang Province, China.

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