Results 71 to 80 of about 27,293 (208)

The actinobacterial transcription factor RbpA binds to the principal sigma subunit of RNA polymerase [PDF]

open access: yes, 2013
RbpA is a small non-DNA-binding transcription factor that associates with RNA polymerase holoenzyme and stimulates transcription in actinobacteria, including Streptomyces coelicolor and Mycobacterium tuberculosis.
Aline Tabib-Salazar   +82 more
core   +1 more source

Exploring the Potential and Evaluating Hydrocarbon Degradation by Novel Antarctic Dietzia and Pusillimonas Isolates From a Pristine Environment

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 1, February 2026.
The Antarctic Dietzia and Pusillimonas isolates were tested for bioremediation applications. Genomic analyses revealed the potential to degrade complex organic compounds, potential virulence factors and resistance genes. Physiological assays showed a wide range of adaptation to abiotic factors and sensitivity to different groups of antibiotics ...
Tomasz Krucoń   +4 more
wiley   +1 more source

Scleritis Caused by In Vitro Linezolid-Resistant Nocardia asteroides

open access: yesCase Reports in Ophthalmological Medicine, 2014
Purpose. To describe a case of postoperative scleritis caused by a novel strain of Nocardia resistant to linezolid and trimethoprim-sulfamethoxazole (TMP-SMX). Methods.
Andres Gonzalez   +3 more
doaj   +1 more source

The Incidence of Nocardiosis at Pulmonary and Extra – Pulmonary Sites [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2013
Nocardiosis is a rare but well-established opportunistic infection. We are presenting two cases of Nocardiosis diagnosed in the microbiology laboratory, one in an immuno-competent elderly patient and the other in a immunocompromised patient with AIDS.
Ayan Kumar Das   +4 more
doaj   +1 more source

Brain Abscesses Complicating Bacterial Meningitis—A Nationwide Cohort Study From the Netherlands

open access: yesEuropean Journal of Neurology, Volume 33, Issue 2, February 2026.
Prevalence, pathogen distribution, clinical characteristics, and outcomes of brain abscess in bacterial meningitis was assessed in this study. ABSTRACT Background Brain abscesses rarely complicate bacterial meningitis while their clinical characteristics and outcomes have not been systematically assessed.
Fabian D. Liechti   +4 more
wiley   +1 more source

Report of Nocardia species isolated from soil by 16S rRNA gene sequencing method in Isfahan, Iran

open access: yesBiological Journal of Microorganism, 2016
Introduction: The genus Nocardia belongs to aerobic Actinomycetes. They are a large group of soil-dwelling bacteria that are distributed worldwide. Using various key conventional and molecular diagnostic tests, several Nocardia isolates were identified ...
samane bourbour   +2 more
doaj  

DIFFERENTIATION BETWEEN Nocardia spp. AND Mycobacterium spp.: CRITICAL ASPECTS FOR BACTERIOLOGICAL DIAGNOSIS

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 2014
New methodologies were developed for the identification of Nocardia but the initial diagnosis still requires a fast and accurate method, mainly due to the similarity to Mycobacterium, both clinical and bacteriologically.
Edna Cleide Mendes Muricy   +4 more
doaj   +1 more source

Preparation and some properties of cholesterol oxidase from Rhodococcus sp. R14-2 [PDF]

open access: yes, 2008
Rhodococcus sp. R14-2, isolated from Chinese Jin-hua ham, produces a novel extracellular cholesterol oxidase (COX). The enzyme was extracted from fermentation broth and purified 53.1-fold based on specific activity.
Cao, Y.P.   +6 more
core   +2 more sources

A Modular Biosensor Platform for the Detection of Plastic Monomers and the Engineering of Promiscuous Amidases Toward Challenging Substrates

open access: yesAdvanced Science, Volume 13, Issue 6, 30 January 2026.
A luciferase is used as biosensor for aldehydes, produced enzymatically from different monomeric building blocks of plastics like polyurethanes (PUs). The screening platform is used to monitor esterase, amidase, and urethanase activity and to guide the selection of enzyme variants with improved hydrolytic activities toward difficult to hydrolyze ...
Ina Somvilla   +12 more
wiley   +1 more source

Identification of a new strain of Actinomadura isolated from Saharan soil and partial characterization of its antifungal compounds [PDF]

open access: yes, 2011
One promising strain Actinomadura sp. AC170, isolated from Algerian Saharan soil, with strong antifungal activity against pathogenic and toxinogenic fungi, was selected for further studies. The 16S rRNA results showed a distinct phylogenetic lineage from
Badji, Boubekeur   +4 more
core   +2 more sources

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