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https://www.readbyqxmd.com/read/29166272/in-vitro-activity-of-some-essential-oils-alone-and-in-combination-against-the-fish-pathogen-nocardia-seriolae
#1
T F Ismail, T Yoshida
Microplate resazurin assay was applied to investigate the in vitro activity of four essential oils (EOs); cinnamon (Cinnamomum zeylanicum), thyme (Thymus vulgaris), lemongrass (Cymbopogon flexuosus) and tea tree (Melaleuca alternifolia) oils against 80 clinical isolates of the fish pathogen Nocardia seriolae. The checkerboard test was then used to determine the possible synergistic effect of EOs combination against reference type strains of fish nocardiosis. All tested EOs had antibacterial activity against N...
September 26, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29165305/abdominal-actinomycetoma-with-double-aetiology-due-to-nocardia-brasiliensis-and-actinomadura-madurae
#2
Alexandro Bonifaz, María Del Carmen Padilla, Denisse Vázquez-González, Marco A Hernández, Mariana Saldaña, Rigoberto Hernández-Castro, Andrés Tirado-Sánchez
No abstract text is available yet for this article.
November 22, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29146850/first-insight-into-the-genome-sequences-of-two-linezolid-resistant-nocardia-farcinica-strains-isolated-from-patients-with-cystic-fibrosis
#3
Sylvia Valdezate, Sara Monzón, Noelia Garrido, Angel Zaballos, María J Medina-Pascual, José M Azcona-Gutiérrez, Begoña Vilar, Isabel Cuesta
The draft genome sequences of two Nocardia farcinica strains isolated from two patients with cystic fibrosis (CF), resistant to trimethoprim/sulfamethoxazole and linezolid, are reported here. The estimated genome sizes were 5.8 Mb with a 70.63% G+C content. Transposases from Tn916 were detected, but not 23S rRNA mutation (G2576T) related to linezolid resistance.
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146497/nocardiosis-from-1888-to-2017
#4
REVIEW
Mehdi Fatahi-Bafghi
The genus Nocardia is an aerobic bacterium, Gram-positive and catalase positive that is in Nocardiaceae family. This bacterium first described by Edmond Nocard in 1888 and is not in human commensal bacteria. To date, nocardiosis incidence is increasing due to increase population growth rate, increase in patients with immune disorder diseases and immunocompromised patients. We surveyed taxonomic position, isolation methods, phenotypic and molecular identification at the genus and species levels, antibiogram, treatment and epidemiology in the world from 1888 to 2017...
November 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29127539/biotreatment-of-effluent-from-adire-textile-factories-in-ibadan-nigeria
#5
Oladapo T Okareh, Tuntunlade F Ademodi, Etinosa O Igbinosa
In this present study, bacteria were isolated from wastewater and polluted soil collected from two cottage textile factories in Ibadan. These bacteria isolates were used for the biotreatment of textile mill effluent. The physicochemical parameters of the textile mill effluent before treatment were carried out and percentage decolourisation of the effluent was analysed using ultraviolet-visible spectroscopy (UV-vis technique). The degradation products of the textile mill effluent characterised by Fourier transform infrared spectroscopy (FTIR)...
November 10, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29125460/nocardia-rhizosphaerihabitans-sp-nov-a-novel-actinomycete-isolated-from-a-coastal-soil
#6
Peng Ding, Juan-Luan Bai, Tian-Tian Wang, Yong Sun, Cheng-Liang Cao, Ji-Hong Jiang, Sheng Qin
An actinomycete strain, designated KLBMP S0039(T), was isolated from the rhizosphere soil of Lycium Linn., collected from the coastal region in Lianyungang, Jiangsu Province, eastern PR China, and was studied to determine its taxonomic position. The isolate showed a combination of morphological and chemotaxonomic properties typical of the members of the genus Nocardia. The cell wall contained meso-diaminopimelic acid as the diagnostic diamino acid and the whole-cell sugars were galactose, arabinose, glucose and ribose...
November 10, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29121190/bleb-associated-exogenous-nocardia-endophthalmitis
#7
Parker J Williams, Joshua Robinson, G Baker Hubbard
No abstract text is available yet for this article.
November 9, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29118169/the-complexities-of-nocardia-taxonomy-and-identification
#8
Patricia S Conville, Barbara A Brown-Elliott, Terry Smith, Adrian M Zelazny
Nocardia species are a complex group of organisms considered to belong to the aerobic actinomycetes. Of the validly described species, many have been implicated as the cause of serious human infections, especially in immunocompromised patients. The genus has a complicated taxonomic history; this is especially true for Nocardia asteroides, the type species of the genus and previously the most frequently reported nocardial taxon from human specimens. We provide background on the current taxonomy of Nocardia with a focus on clinically relevant species and discuss the currently available methods used to accurately identify isolates to the species, complex or group level...
November 8, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29105868/successful-treatment-of-disseminated-nocardiosis-caused-by-nocardia-veterana-in-a-dog
#9
S Yaemsiri, J E Sykes
A 5-year-old male castrated Lhasa Apso cross was evaluated for a 1-month history of inappetence, lethargy, gagging, and progressive right thoracic limb lameness. Synovial fluid analysis revealed nonseptic suppurative inflammation, and a diagnosis of immune-mediated polyarthritis (IMPA) was made. After 3 months of treatment with prednisone and later cyclosporine, the dog developed multiple firm cutaneous and subcutaneous masses and a focal mass within the jejunum. Cultures of blood, urine, skin lesions, and the jejunal mass identified Nocardia veterana by matrix-absorption laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS) and allowed for earlier identification of the organism compared to more traditional secA1 gene sequencing...
November 4, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29102124/transparent-tiger-barb-puntius-tetrazona-a-fish-model-for-in-vivo-analysis-of-nocardial-infection
#10
F Wang, X G Wang, C Liu, O Q Chang, Y Y Feng, L Jiang, K B Li
Nocardiosis afflicts multiple species of cultured fish, resulting in substantial economic losses to the aquaculture industry, however, lack of detailed knowledge on disease pathogenesis has hampered the development of effective prevention and control strategies. In this study, we injected a green fluorescent protein (GFP)-labeled Nocardia seriolae strain into a transparent mutant strain of Tiger barb (Puntius tetrazona) to monitor tissue pathogen accumulation and tissue damage in vivo, and to clarify the relationship between pathogenic processes and overt symptoms...
November 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29066492/granulomatous-thyroiditis-a-case-report-and-literature-review
#11
Darshan P Trivedi, Ramesh Bhagat, Yukihiro Nakanishi, Alun Wang, Krzysztof Moroz, Nadja K Falk
BACKGROUND: Granulomatous disease in the thyroid gland has been linked to viral, bacterial and autoimmune etiologies. The most common granulomatous disease of the thyroid is subacute granulomatous thyroiditis, which is presumed to have a viral or post-viral inflammatory cause. Bacterial etiologies include tuberculosis, actinomycosis, and nocardiosis, but are extremely rare. Disseminated actinomycosis and nocardiosis more commonly affect organ-transplant patients with the highest susceptibility within the first year after transplant surgery...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29059035/nocardia-beijingensis-pericarditis-presenting-with-cardiac-tamponade-a-case-report
#12
Nattinee Laksananun, Parichat Salee, Quanhathai Kaewpoowat
We report the first case of Nocardia beijingensis pericarditis in a 32-year-old HIV-infected patient. He presented with cardiac tamponade after failing to respond to treatment for smear-negative pulmonary and pericardial tuberculosis (TB). The pericardial fluid was examined several times before it eventually revealed filamentous branching organisms in Gram and modified acid-fast bacilli stain. The culture grew Nocardia spp. and was identified by 16s rRNA sequencing as N. beijingensis. Eight previously reported cases of Nocardia pericarditis in HIV-infected patients were caused by Nocardia asteroides...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29045029/the-immunosuppressant-brasilicardin-determination-of-the-biosynthetic-gene-cluster-in-the-heterologous-host-amycolatopsis-japonicum
#13
Paul N Schwarz, Anina Buchmann, Luisa Roller, Andreas Kulik, Harald Gross, Wolfgang Wohlleben, Evi Stegmann
Nocardia terpenica IFM 0406 is the producer of the immunosuppressants brasilicardins A-D. Brasilicardin is a promising compound because of its unique mode of action and its higher potency and reduced toxicity compared to today's standard drugs. However, production of brasilicardin was so far hampered since N. terpenica IFM 0406 synthesizes brasilicardin in only low amounts and represents a human pathogen (biosafety level 2 BSL2). In order to achieve a safe and high yield production of brasilicardin A (BraA) we heterologously expressed the brasilicardin gene cluster in the nocardioform actinomycete Amycolatopsis japonicum (A...
October 16, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/29038748/virulence-test-using-nematodes-to-prescreen-nocardia-species-capable-of-inducing-neurodegeneration-and-behavioral-disorders
#14
Claire Bernardin Souibgui, Anthony Zoropogui, Jeremy Voisin, Sebastien Ribun, Valentin Vasselon, Petar Pujic, Veronica Rodriguez-Nava, Patrick Belly, Benoit Cournoyer, Didier Blaha
BACKGROUND: Parkinson's disease (PD) is a disorder characterized by dopaminergic neuron programmed cell death. The etiology of PD remains uncertain-some cases are due to selected genes associated with familial heredity, others are due to environmental exposure to toxic components, but over 90% of cases have a sporadic origin. Nocardia are Actinobacteria that can cause human diseases like nocardiosis. This illness can lead to lung infection or central nervous system (CNS) invasion in both immunocompromised and immunocompetent individuals...
2017: PeerJ
https://www.readbyqxmd.com/read/29033815/cutaneous-nocardiosis-simulating-cutaneous-lymphatic-sporotrichosis
#15
Pedro Secchin, Beatriz Moritz Trope, Larissa Araujo Fernandes, Glória Barreiros, Marcia Ramos-E-Silva
Sporotrichosis is the subcutaneous mycosis caused by several species of the Sporothrix genus. With worldwide occurrence, the State of Rio de Janeiro is presently undergoing a zoonotic sporotrichosis epidemic. The form of lymphocutaneous nocardiosis is rare, being caused especially by Nocardia brasiliensis. It appears as a nodular or ulcerated lesion, with multiple painful erythematous nodules or satellite pustules distributed along the lymphatic tract, similar to the lymphocutaneous variant of sporotrichosis...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29022964/nocardia-arthritidis-keratitis-case-report-and-review-of-the-literature
#16
Andrew Gieger, Stephen Waller, Joseph Pasternak
INTRODUCTION: Keratitis due to Nocardia infection is not commonly encountered in clinical practice and may therefore be mistaken for fungal or viral keratitis leading to delayed treatment and increased risk of permanent visual impairment. CASE: An otherwise healthy 27 years old Caucasian Active Duty military member presented to the clinic with three days of light sensitivity and irritation of his right eye. He carried a history of PRK in both eyes six years prior and admitted to recent contact lens overuse...
January 2017: Nepalese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28989907/comments-on-phenotypic-and-molecular-identification-of-nocardia-in-brain-abscess
#17
Kiana Shirani, Atousa Hakamifard, Asger Nyborg Poulsen
No abstract text is available yet for this article.
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28969125/unfolding-of-a-clinically-suspected-case-of-pulmonary-tuberculosis
#18
Savitha Thirouvengadame, Swapna Muthusamy, Vignesh Kanna Balaji, Joshy Maducolil Easow
Pulmonary nocardiosis caused by Nocardia mimics pulmonary tuberculosis in many aspects. Here, we report a case of suspected pulmonary tuberculosis turning into pulmonary nocardiosis following microbiological evaluation. Sputum sample of the patient grew Nocardia otitidiscaviarum. Identification was done by conventional methods and matrix assisted laser desorption ionization-time of flight. He was given co-trimoxazole based on susceptibility reports. Even though Nocardia is a rare entity, pulmonary nocardiosis should be ruled out before starting antitubercular treatment to avoid unnecessary burden to the patient and community...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28966493/clinical-manifestations-of-nocardiosis-study-of-risk-factors-and-outcomes-in-a-tertiary-care-hospital
#19
Teena Wadhwa, Usha Baveja, Navin Kumar, Deepak Govil, Sharmila Sengupta
PURPOSE: The aim of this study is to evaluate the predisposing risk factors, clinical presentations, laboratory parameters, and treatments taken and outcomes in patients of nocardiosis in the span of 5 years in a tertiary care hospital. MATERIALS AND METHODS: The patients whose specimens showed Nocardia like organism in Gram-staining, Kinyoun staining and characteristic colonies in culture were included in the retrospective analysis study. Retrospective analysis of associated risk factors, clinical presentations, and radiological findings was performed...
October 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28963198/first-draft-genome-sequence-of-a-clinical-strain-of-nocardia-cerradoensis
#20
Gema Carrasco, Sara Monzón, Pilar Jiménez, Isabel Cuesta, Joaquín Bartolomé-Alvarez, Sylvia Valdezate
This paper reports the first draft genome sequence for a strain of Nocardia cerradoensis obtained from an immunocompetent patient with a knee infection. The 8.2-Mb genome has 8,329 coding sequences, including intrinsic resistance genes, biosynthetic gene clusters for polyketide synthase and nonribosomal peptide synthase, virulence genes, and prophages.
September 28, 2017: Genome Announcements
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