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https://www.readbyqxmd.com/read/28217646/nocardia-isolation-of-soil
#1
Mehdi Fatahi Bafghi, Seyyed Saeed Eshraghi
No abstract text is available yet for this article.
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28199365/click-chemistry-approach-to-study-mycoloylated-proteins-evidence-for-porb-and-porc-porins-mycoloylation-in-corynebacterium-glutamicum
#2
Hanane Issa, Emilie Huc-Claustre, Thamila Reddad, Nolwenn Bonadé Bottino, Maryelle Tropis, Christine Houssin, Mamadou Daffé, Nicolas Bayan, Nathalie Dautin
Protein mycoloylation is a recently identified, new form of protein acylation. This post-translational modification consists in the covalent attachment of mycolic acids residues to serine. Mycolic acids are long chain, α-branched, β-hydroxylated fatty acids that are exclusively found in the cell envelope of Corynebacteriales, a bacterial order that includes important genera such as Mycobacterium, Nocardia or Corynebacterium. So far, only 3 mycoloylated proteins have been identified: PorA, PorH and ProtX from C...
2017: PloS One
https://www.readbyqxmd.com/read/28192433/review-of-21-cases-of-mycetoma-from-1991-to-2014-in-rio-de-janeiro-brazil
#3
Felipe Maurício Soeiro Sampaio, Bodo Wanke, Dayvison Francis Saraiva Freitas, Janice Mery Chicarino de Oliveira Coelho, Maria Clara Gutierrez Galhardo, Marcelo Rosandiski Lyra, Maria Cristina da Silva Lourenço, Rodrigo de Almeida Paes, Antonio Carlos Francesconi do Valle
Mycetoma is caused by the subcutaneous inoculation of filamentous fungi or aerobic filamentous bacteria that form grains in the tissue. The purpose of this study is to describe the epidemiologic, clinic, laboratory, and therapeutic characteristics of patients with mycetoma at the Oswaldo Cruz Foundation in Rio de Janeiro, Brazil, between 1991 and 2014. Twenty-one cases of mycetoma were included in the study. There was a predominance of male patients (1.3:1) and the average patient age was 46 years. The majority of the cases were from the Southeast region of Brazil and the feet were the most affected anatomical region (80...
February 13, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28176520/-pulmonary-co-infection-due-to-nocardia-cyriacigeorgica-and-aspergillus-fumigatus
#4
R Trastoy, T Manso, X García, G Barbeito, D Navarro, P Rascado, M L Pérez Del Molino
OBJECTIVE: Pulmonary nocardiosis is an uncommon pulmonary infection caused by aerobic gram-positive bacteria of the genus Nocardia. Nocardia sp. are environmental organisms spread worldwide. Approximately 50 Nocardia species have been described to date, about 30 of which are known to cause human disease. Nocardia cyriacigeorgica was first reported in 2001. CASE REPORT: We report a case of infection caused by N. cyriacigeorgica in a patient with B-cells non-Hodgkin lymphoma and diabetes mellitus...
February 8, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28150374/nocardia-liver-abscess-post-liver-transplantation-a-rare-presentation
#5
Pavan Hanchnale, Mayank Jain, Joy Vargese, Jayanthi V, Mohamed Rela
Nocardiosis is usually a disseminated disease seen in immunocompromised individuals. We herein present a rare case of isolated Nocardia liver abscess post liver transplantation. The patient responded well to treatment and is on long-term antibiotics for Nocardia infection. This article is protected by copyright. All rights reserved.
February 1, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28129236/endogenous-nocardia-endophthalmitis-presenting-as-a-mass-lesion-in-a-patient-with-metatstatic-nonsmall-cell-carcinoma-of-the-lung
#6
Brian Lee, Paul Drayna, Amanda C Maltry, Craig M Mason, Sandra R Montezuma, Dara Koozekanani
PURPOSE: To report a case of Nocardia cyriacigeorgica endophthalmitis. METHODS: Case report. RESULTS: A 71-year-old man on long-term steroid therapy for poor respiratory function from lung carcinoma and presumed recent liver metastases presented with a four week history of blurry vision in the left eye. Ophthalmic examination revealed a white elevated mass in the macula with hemorrhage, concerning for metastasis. The patient was treated for presumed ocular metastases but had poor response to radiotherapy and was diagnosed four weeks later with N...
January 26, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28116103/first-case-of-nocardia-amamiensis-pulmonary-infection-in-mexico
#7
A Martinez-Gamboa, M E Cervera-Hernandez, P Torres-Gonzalez, A Rangel-Cordero, A Ponce-de-Leon, J Sifuentes-Osornio
We report a case of Nocardia amamiensis pulmonary infection in a 43-year-old immunocompromised woman. The patient was treated with imipenem/cilastatin and trimethoprim/sulfamethoxazole and had a favourable outcome. It is important that laboratories perform species identification to understand the epidemiology and susceptibility patterns of the different Nocardia spp.
March 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/28112922/nabscessins-a-and-b-aminocyclitol-derivatives-from-nocardia-abscessus-ifm-10029-t
#8
Shoko Hara, Naoki Ishikawa, Yasumasa Hara, Tatsuo Nehira, Kanae Sakai, Tohru Gonoi, Masami Ishibashi
Two new aminocyclitol amide derivatives, nabscessins A (1) and B (2), were isolated from the culture broth of a pathogenic actinomycete species, Nocardia abscessus IFM 10029(T). The structures of nabscessins A and B were elucidated by spectral studies, and the compounds showed antifungal activity against Cryptococcus neoformans, with IC50 values of 32 and 16 μg/mL, respectively.
January 23, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28112090/pulmonary-nocardiosis-caused-by-nocardia-otitidiscaviarum-in-an-adult-asthmatic-female-patient-the-presence-of-acid-fast-branching-filaments-is-always-significant
#9
A Mahgoub, S A Gumaa, M R P Joseph, M S Saleh, A H A Elsheikh, A I Elkhalifa, E Elhaj, R R M Salih, M E Hamid
We report a case of pulmonary nocardiosis in a 41-year-old asthma patient. Chest radiographs showed bilateral air space and consolidations.Acid-fast branching filaments were demonstrated in sputum, and the grown organism was identified phenotypically and confirmed using16S rDNA sequencing (accession no. KX500116). The patient received a combination of medical treatments, but developed complications,which were managed over the next 3 months, after which she was discharged. Pulmonary nocardiosis should be considered in patientsundergoing steroid therapy or when a chronic infection does not respond to first-line treatment...
December 21, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28109291/systemic-nocardiosis-in-a-dog-caused-by-nocardia-cyriacigeorgica
#10
Yesari Eroksuz, Nafia Canan Gursoy, Tolga Karapinar, Burak Karabulut, Canan Akdeniz Incili, Zeynep Yerlikaya, Zulal Asci Toraman, Mehmet Ozkan Timurkan, Hatice Eroksuz
BACKGROUND: Systemic nocardiosis due to Nocardia cyriacigeorgica has not been reported in dogs. CASE PRESENTATION: Light and electron microscopy, microbiological culture and molecular identification (PCR) were used to diagnose systemic nocardiosis caused by Nocardia cyriacigeorgica in a 3-month-old husky dog. The postmortem changes included multifocal to coalescing, sharply circumscribed pyogranulomatous inflammation and abscess formation in lungs, liver, myocardium, spleen, kidneys, brain, and hilar lymph nodes...
January 21, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28105096/nocardiosis-in-ectopic-acth-syndrome-a-case-report-and-review-of-11-cases-from-the-literature
#11
Lichen Xu, Qiaomai Xu, Meifang Yang, Hainv Gao, Mingzhi Xu, Weihang Ma
Ectopic adrenocorticotropic hormone (ACTH) syndrome (EAS) associated with nocardiosis is rare, and little information is available regarding its clinical characteristics. In this study, the case of a 35-year-old male patient who showed significant cushingoid features and had a cough with yellow phlegm for 1 month is described. Pulmonary computed tomography (CT) scanning and (18)F-fluorodeoxyglucose positron emission tomography combined with CT identified two different lesions in the mediastinum and pulmonary region, respectively...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100300/molecular-analysis-and-species-diversity-of-nocardia-in-hospital-environment-of-a-developing-country-a-potential-health-hazard
#12
Hossein Ali Rahdar, Davood Azadi, Hasan Shojaei, Abbas Daei Naser
BACKGROUND: Despite hundreds of reports on the isolation of Nocardia from clinical samples, the presence and diversity of Nocardia species capable of survival in a harsh and adverse condition such as hospital environment have not been comprehensively studied. The aim of this study was to assess the Nocardia species diversity in the hospital environment to provide a better insight on their potential threat as a reservoir for the development of nosocomial infections. MATERIALS AND METHODS: A total of 90 hospital water, dust and soil samples collected from 30 hospitals were analyzed for the presence of Nocardia using standard protocols for isolation and characterization of the isolates...
January 17, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28088585/nocardiosis-in-the-south-of-france-over-a-10-years-period-2004-2014
#13
Delphine Haussaire, Pierre-Edouard Fournier, Karamoko Djiguiba, Valerie Moal, Tristan Legris, Rajsingh Purgus, Jeremy Bismuth, Xavier Elharrar, Martine Reynaud-Gaubert, Henri Vacher-Coponat
BACKGROUND: Nocardiosis is a rare disease with polymorphic presentations. The epidemiology and clinical presentation could change with the increasing number of immunocompromised patients. METHODS: The medical records and microbiological data of patients affected by nocardiosis and treated at the university hospitals of Marseille between 2004 and 2014 were analyzed retrospectively. RESULTS: The cases of 34 patients infected by Nocardia spp during this period were analyzed...
January 11, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28087615/microbial-catabolism-of-sterols-focus-on-the-enzymes-that-transform-the-sterol-3%C3%AE-hydroxy-5-en-into-3-keto-4-en
#14
Joseph Kreit
An overview on the microbial sterol catabolism is described with a focus on the catabolic step of the 3β-hydroxy-5-en structure. Cholesterol oxidase transforms this structure into the corresponding 3-keto-4-en feature, and thus initiates the sterol molecule catabolism. The oxidase has been found in a large number of microorganisms, especially in actinobacteria as species of Rhodococcus and Streptomyces Other actinobacteria as species of Mycobacterium and Nocardia possess NAD(P)-dependent dehydrogenase for this catabolic step...
January 12, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28077813/nocardia-identification-at-the-genus-level%C3%A3-reply
#15
Akira Takashima, Shusuke Yagi, Hiroyuki Ito, Masataka Sata
No abstract text is available yet for this article.
January 25, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28077812/nocardia-identification-at-the-genus-level
#16
Mehdi Fatahi-Bafghi
No abstract text is available yet for this article.
January 25, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28075574/visualization-of-mycobacterial-membrane-dynamics-in-live-cells
#17
Frances P Rodriguez-Rivera, Xiaoxue Zhou, Julie A Theriot, Carolyn R Bertozzi
Mycobacteria are endowed with a highly impermeable mycomembrane that confers intrinsic resistance to many antibiotics. Several unique mycomembrane glycolipids have been isolated and structurally characterized, but the underlying organization and dynamics of glycolipids within the cell envelope remain poorly understood. We report here a study of mycomembrane dynamics that was enabled by trehalose-fluorophore conjugates capable of labeling trehalose glycolipids in live actinomycetes. We identified fluorescein-trehalose analogs that are metabolically incorporated into the trehalose mycolates of representative Mycobacterium, Corynebacterium, Nocardia and Rhodococcus species...
January 11, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28065456/characterization-and-functional-expression-of-a-rubber-degradation-gene-of-a-nocardia-degrader-from-a-rubber-processing-factory
#18
Dao Viet Linh, Nguyen Lan Huong, Michiro Tabata, Shunsuke Imai, Sou Iijima, Daisuke Kasai, To Kim Anh, Masao Fukuda
A rubber-degrading bacterial consortium named H2DA was obtained from an enrichment culture with natural rubber latex and rubber-processing factory waste in Vietnam. Gel permeation chromatography analysis revealed that only the strain NVL3 degraded synthetic poly(cis-1,4-isoprene) into low-molecular-weight intermediates among the three strains found in the H2DA. The 16S-rRNA gene sequence of NVL3 showed the highest identity with that of Nocardia farcinica DSM 43665(T). NVL3 accumulated aldehyde intermediates from synthetic poly(cis-1,4-isoprene) on a rubber-overlay plate as indicated by Schiff's staining...
January 3, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28062425/first-reported-case-of-disseminated-nocardia-kroppenstedtii-sp-nov-infection-presenting-with-brain-abscess-and-endocarditis-in-an-immunocompromised-patient-with-mantle-cell-lymphoma-challenges-in-diagnosis-and-treatment
#19
Aneela Majeed, Hafez Mohammad Ammar Abdullah, Waqas Ullah, Mayar Al Mohajer
A 72-year-old man with a history of blastoid variant stage IV relapsed refractory mantle cell lymphoma presented with new central nervous system (CNS) symptoms. Brain imaging was positive for rim-enhancing lesions along with a mitral valve mass on the echocardiogram. It was a challenge to establish the exact aetiology of these lesions in this patient. He was empirically treated with chemotherapy on the presumption that the brain lesions were secondary to progressive malignancy. However, brain biopsy was negative for malignancy and blood cultures were found positive for Nocardia kroppenstedtii sp nov...
January 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28043546/molecular-identification-of-mycobacterium-tuberculosis-complex-by-region-of-differentiation-typing-and-polymerase-chain-reaction-restriction-fragment-length-polymorphism-method
#20
Seydeh Zeinab Mirzaki, Nader Mosavari, Razieh Nazari, Morteza Akbarian
Tuberculosis (TB) is one of the most common zoonotic infectious diseases in the world. Identification of Mycobacterium isolates is essential for proper treatment of TB. The aim of this study was to identify Mycobacterium isolates collected from TB patients in Alborz Province, Iran, by region of differentiation (RD)-typing. Fifty samples from tuberculosis patients were cultured in pyruvate and glycerinated Lowenstein-Jensen medium. DNA was extracted from the isolates by the van Solingen method and subjected to polymerase chain reaction (PCR)-16SrRNA, PCR-IS6110, and RD-typing with primers RD1, RD4, RD9, and RD12, respectively...
December 2016: International Journal of Mycobacteriology
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