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https://www.readbyqxmd.com/read/29449166/clinical-characteristics-and-treatment-outcomes-of-pulmonary-invasive-fungal-infection-among-adult-patients-with-hematological-malignancy-in-a-medical-centre-in-taiwan-2008-2013
#1
Chien-Yuan Chen, Wang-Huei Sheng, Feng-Ming Tien, Po-Chu Lee, Shang-Yi Huang, Jih-Luh Tang, Woei Tsay, Hwei-Fang Tien, Po-Ren Hsueh
BACKGROUND/PURPOSE: This study was aimed to investigate clinical characteristics and treatment outcomes of pulmonary invasive fungal infection (IFI) among patients with hematological malignancy. METHODS: All patients with hematological malignancy who were treated at a medical centre from 2008 to 2013 were evaluated. Pulmonary IFI was classified according to the European Organization for Research and Treatment of Cancer 2008 consensus. RESULTS: During the study period, 236 (11...
January 31, 2018: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29448830/pulmonary-mucormycosis-mimicking-an-endobronchial-mass
#2
Muhammet Sayan, Huseyin Arpag, Mahmut Tokur, Abdulkadir Yasir Bahar
Mucormycosis is an opportunistic fungal infection that can infect different regions of the body. This entity may present in rhinocerebral, pulmonary, cutaneous, and disseminated forms. Although pulmonary mucormycosis is usually seen as an invasive parenchymal consolidation or cavitation, it may rarely present as an endobronchial mass. We describe a case of endobronchial mucormycosis in which the fungal mass was completely removed via rigid bronchoscopy before medical therapy.
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29444330/increased-species-assignment-of-filamentous-fungi-using-maldi-tof-ms-coupled-with-a-simplified-sample-processing-and-an-in-house-library
#3
M E Zvezdanova, P Escribano, A Ruiz, M C Martínez-Jiménez, T Peláez, A Collazos, J Guinea, E Bouza, B Rodríguez-Sánchez
In this study we evaluated the capacity of MALDI-TOF MS (Bruker Daltonics, Bremen, Germany) to identify clinical mould isolates. We focused on two aspects of MALDI-TOF MS identification: the sample processing and the database. Direct smearing of the sample was compared with a simplified processing consisting of mechanical lysis of the moulds followed by a protein extraction step. Both methods were applied to all isolates and the Filamentous Fungi Library 1.0 (Bruker Daltonics) was used for their identification...
February 9, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29437814/isolated-splenic-mucormycosis-in-a-case-of-aplastic-anaemia
#4
Shefali K Sharma, Prasanth Balasubramanian, Bishan Radotra, Manphool Singhal
Mucormycosis, a rare opportunistic infection seen in immunocompromised hosts, is caused by fungi of Mucorales family. It may be confined to the organs, such as rhinocerebral and pulmonary mucormycosis, or may cause disseminated infection. A 14-year-old boy presented to our clinic with fever and left upper quadrant abdominal pain, and on evaluation was found to have pancytopaenia, and imaging revealed ill-defined splenic collection with thrombus in the splenic vein. He was started on empirical intravenous antibiotics, followed by antifungals empirically as he did not show any improvement clinically...
February 8, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29436903/understanding-mucor-circinelloides-pathogenesis-by-comparative-genomics-and-phenotypical-studies
#5
Loida López-Fernández, Marta Sanchis, Patricia Navarro-Rodríguez, Francisco E Nicolás, Fátima Silva-Franco, Josep Guarro, Victoriano Garre, María Isabel Navarro-Mendoza, Carlos Pérez-Arques, Javier Capilla
The increasing number of infections by species of Mucorales and their high mortality constitute an important concern for public health. This study aims to decipher the genetic basis of Mucor circinelloides pathogenicity, which displays virulence in a strain dependent manner. Assuming that genetic differences between strains may be linked to different pathotypes, we have conducted a study to explore genes responsible for virulence in M. circinelloides by whole genome sequencing of the avirulent strain NRRL3631 and comparison with the virulent strain CBS277...
February 13, 2018: Virulence
https://www.readbyqxmd.com/read/29436422/species-identification-and-delineation-of-pathogenic-mucorales-by-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry
#6
Jin Shao, Zhe Wan, Ruoyu Li, Jin Yu
This study aimed to validate the effectiveness of matrix-assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS)-based identification of filamentous fungi of the order Mucorales. A total of 111 isolates covering 6 genera preserved at the Research Center for Medical Mycology of Peking University were selected for MALDI-TOF MS analysis. We emphasized the study of 23 strains of Mucor irregularis predominantly isolated from patients in China. We first used the Bruker Filamentous Fungi library v1...
February 7, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29432820/qpcr-detection-of-lichtheimia-species-in-bandages-associated-with-cutaneous-mucormycosis-in-burn-patients
#7
E Fréalle, S Rocchi, M Bacus, H Bachelet, L Pasquesoone, B Tavernier, D Mathieu, L Millon, M Jeanne
BACKGROUND: Cutaneous mucormycoses, mainly due to Lichtheimia (Absidia), have occurred on several occasions in the Burn Unit of the University Hospital of Lille, France. AIM: To investigate the potential vector role of non-sterile bandages used to hold in place sterile gauze used for wound dressing. METHODS: Mycological analysis by conventional culture, Mucorales qPCR, and Lichtheimia species-specific qPCR were performed on 8 crepe and 6 elasticized bandages that were sampled on two independent soccasions in March 2014 and July 2016...
February 9, 2018: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29420826/transcriptional-profile-of-the-human-skin-pathogenic-fungus-mucor-irregularis-in-response-to-low-oxygen
#8
Wenqi Xu, Jingwen Peng, Dongmei Li, Clement K M Tsui, Zhimin Long, Qiong Wang, Huan Mei, Weida Liu
Mucormycosis is one of the most invasive mycosis and has caused global concern in public health. Cutaneous mucormycosis caused by Mucor irregularis (formerly Rhizomucor variabilis) is an emerging disease in China. To survive in the human body, M. irregularis must overcome the hypoxic (low oxygen) host microenvironment. However, the exact molecular mechanism of its pathogenicity and adaptation to low oxygen stress environment is relatively unexplored. In this study, we used Illumina HiSeq technology (RNA-Seq) to determine and compare the transcriptome profile of M...
October 9, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29397501/detoxification-of-textile-effluent-by-fungal-treatment-and-its-performance-in-agronomic-usages
#9
Abul Hossain Molla, Haider Iqbal Khan
Globally, scarcity of contaminant free water usages is increasing gradually; it might be solved after generation of any sustainable technology to detoxify contaminated waters. An attempt was undertaken to detoxify textile effluent with fungal strains Trichoderma harzianum and Mucor hiemalis. Fungal detoxified effluent and its performance on three crops (wheat, mungbean, and mustard) seed germination in petri dishes and seedlings establishment of mustard in polythene bag were evaluated. Fungal strains significantly detoxified textile effluent by removal of 76% total solids, 91...
February 3, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29391149/surgical-treatment-of-multifocal-pulmonary-mucormycosis
#10
Sara E A Mills, Anjana V Yeldandi, David D Odell
Mucormycosis is a devastating opportunistic fungal infection to which the immunosuppressed are particularly vulnerable. We report the case of a 60 year-old man who was found to have multifocal pulmonary mucormycosis ten weeks after concomitant heart and kidney transplantation. Despite appropriate antifungal therapy, the infection progressed rapidly and soon involved critical pulmonary vasculature. He successfully underwent staged operative resection of his pulmonary mucormycosis without recurrence of infection...
January 29, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29387377/mycofloral-profile-and-the-radiation-sensitivity-d10-values-of-solar-dried-and-gamma-irradiated-pleurotus-ostreatus-jacq-ex-fr-kummer-fruitbodies-stored-in-two-different-packaging-materials
#11
Nii Korley Kortei, George Tawia Odamtten, Mary Obodai, Michael Wiafe-Kwagyan
The presence of fungi in our foods poses serious health risks as some genera of fungi may produce certain mycotoxins which have carcinogenic, mutagenic, teratogenic, and immunosuppressive effect on humans and animals alike. Fruitbodies of Pleurotus ostreatus were solar dried at a moisture content of 12.5 ± 0.2% and stored in polythene and polypropylene packs, gamma irradiated at doses of 0 (control), 1, 2, 3, 4, and 5 kGy at a dose rate of 1.7 kGy/hr from a Cobalt 60 source (SLL, 515, Hungary) and stored at room temperature 28-30°C for a period of 12 months...
January 2018: Food Science & Nutrition
https://www.readbyqxmd.com/read/29373689/central-line-associated-mucor-velutinosus-bloodstream-infection-in-an-immunocompetent-pediatric-patient
#12
Madan Kumar, Barbara Jantausch, Clarivet Torres, Joseph Campos, Adrian Zelazny
We report here the isolation of Mucor velutinosus from multiple blood cultures performed on samples from Broviac catheters and culture of a Broviac insertion-site wound sample from a 6-year-old boy with a history of intestinal failure secondary to chronic intestinal pseudo-obstruction, parenteral nutrition, and jejunostomy tube dependence. Examination of a slide from the culture revealed the presence of wide nonseptate hyphae with sporangiophores, columella, and chlamydospores. The fungal isolate was sent to the National Institutes of Health for further evaluation and was identified as Mucor velutinosus by matrix-assisted laser desorption ionization-time-of-flight mass spectrometry and genomic sequencing...
January 24, 2018: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29371802/phylogenetic-status-of-two-undescribed-zygomycete-species-from-korea-actinomucor-elegans-and-mucor-minutus
#13
Thuong T T Nguyen, Hee-Young Jung, Youn Su Lee, Kerstin Voigt, Hyang Burm Lee
During a survey of fungal diversity of the order Mucorales, three zygomycete isolates, CNUFC-YR113-1, CNUFC-KNU16-7, and CNUFC-BS1-1 were isolated from freshwater and soil samples in Korea. The strains were analyzed both morphologically and phylogenetically based on internal transcribed spacer and 28S rDNA gene sequences. Based on their morphology and phylogeny, the CNUFC-YR113-1 and CNUFC-KNU16-7 isolates were identified as Actinomucor elegans, and CNUFC-BS1-1 was identified as Mucor minutus. To the best of our knowledge, the species A...
December 2017: Mycobiology
https://www.readbyqxmd.com/read/29371565/innate-and-adaptive-immunity-to-mucorales
#14
REVIEW
Harlene Ghuman, Kerstin Voelz
Mucormycosis is an invasive fungal infection characterised by rapid filamentous growth, which leads to angioinvasion, thrombosis, and tissue necrosis. The high mortality rates (50-100%) associated with mucormycosis are reflective of not only the aggressive nature of the infection and the poor therapeutics currently employed, but also the failure of the human immune system to successfully clear the infection. Immune effector interaction with Mucorales is influenced by the developmental stage of the mucormycete spore...
September 5, 2017: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29371547/isolation-of-ovicidal-fungi-from-fecal-samples-of-captive-animals-maintained-in-a-zoological-park
#15
José A Hernández, Rosa A Vázquez-Ruiz, Cristiana F Cazapal-Monteiro, Esther Valderrábano, Fabián L Arroyo, Iván Francisco, Silvia Miguélez, Rita Sánchez-Andrade, Adolfo Paz-Silva, María S Arias
Abstract: There are certain saprophytic fungi in the soil able to develop an antagonistic effect against eggs of parasites. Some of these fungal species are ingested by animals during grazing, and survive in their feces after passing through the digestive tract. To identify and isolate ovicidal fungi in the feces of wild captive animals, a total of 60 fecal samples were taken from different wild animals kept captive in the Marcelle Natureza Zoological Park (Lugo, Spain). After the serial culture of the feces onto Petri dishes with different media, their parasicitide activity was assayed against eggs of trematodes (Calicophoron daubneyi) and ascarids (Parascaris equorum)...
June 2, 2017: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29368026/fungal-diversity-of-human-gut-microbiota-among-eutrophic-overweight-and-obese-individuals-based-on-aerobic-culture-dependent-approach
#16
Francis M Borges, Thaís O de Paula, Marjorie R A Sarmiento, Maycon G de Oliveira, Maria L M Pereira, Isabela V Toledo, Thiago C Nascimento, Alessandra B Ferreira-Machado, Vânia L Silva, Cláudio G Diniz
Fungi have a complex role in the intestinal tract, influencing health and disease, with dysbiosis contributing to obesity. Our objectives were to investigate fungal diversity in human gut microbiota among eutrophic, overweight, and obese. Epidemiological and nutritional information were collected from adult individuals, as well as stool samples processed for selective fungi isolation and identification by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (yeasts) or microculture (filamentous fungi)...
January 24, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29367872/photoletter-to-the-editor-atypical-primary-cutaneous-mucormycosis-of-the-scalp
#17
Ricardo García-Sepúlveda, Josefina Navarrete-Solís, Hiram Villanueva-Lozano, Rogelio de J Treviño-Rangel, Gloria M González, Jorge Enríquez-Rojas, Javier Molina-Durazo, Roberto Arenas-Guzmán
Mucormycosis of the scalp is a rare cutaneous presentation of the disease. It is also an unusual infection in children. We present the case of a 4-year-old girl with acute lymphoblastic leukemia, who presented with atypical cutaneous mucormycosis simulating an ecthyma gangrenosum lesion. Risk factors for the infection are diabetes, neoplastic diseases, immunosuppression in organ transplant recipients, and neutropenia. The cutaneos forms have been associated with trauma, burns and surgical wounds. First line treatment is amphotericin B...
December 1, 2017: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/29365030/practical-diagnostic-approach-to-the-presence-of-hyphae-in-neuropathology-specimens-with-three-illustrative-cases
#18
Jesus A Chavez, Daniel J Brat, Steven B Hunter, Jose Velazquez Vega, Jeannette Guarner
Objectives: Early and accurate diagnosis remains crucial in the therapeutic management of invasive central nervous system fungal infections. Different molds have intrinsic resistance to antifungal agents; thus, morphologic differentiation is helpful to clinicians. Methods: Using three examples, we present a guide on how to approach neuropathology specimens where hyphae are identified on initial histologic examination. Results: Hyphae can be classified into three basic groups: hyaline pauciseptated, hyaline septated, and pigmented or dematiaceous...
January 20, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29359253/does-co-inoculation-of-lactuca-serriola-with-endophytic-and-arbuscular-mycorrhizal-fungi-improve-plant-growth-in-a-polluted-environment
#19
Rafał Ważny, Piotr Rozpądek, Roman J Jędrzejczyk, Marta Śliwa, Anna Stojakowska, Teresa Anielska, Katarzyna Turnau
Phytoremediation of polluted sites can be improved by co-inoculation with mycorrhizal and endophytic fungi. In this study, the effects of single- and co-inoculation of Lactuca serriola with an arbuscular mycorrhizal (AM) fungus, Rhizoglomus intraradices, and endophytic fungi, Mucor sp. or Trichoderma asperellum, on plant growth, vitality, toxic metal accumulation, sesquiterpene lactone production and flavonoid concentration in the presence of toxic metals were evaluated. Inoculation with the AM fungus increased biomass yield of the plants grown on non-polluted and polluted substrate...
January 23, 2018: Mycorrhiza
https://www.readbyqxmd.com/read/29348987/rhino-orbital-cerebral-mucormycosis-a-fatal-complication-of-uncontrolled-diabetes-mellitus
#20
Purva Bavikar, Varshil Mehta
Mucormycosis is a progressively invasive disease, with a fatal outcome, on late presentation. A 38-year-old female presented with diabetic ketoacidosis with right eye ptosis and a frozen globe without any signs of inflammation, externally. She underwent transnasal endoscopic debridement of paranasal sinuses and exenteration of the right eye. The histopathology specimen revealed the growth of mucormycosis. She was treated with intravenous (IV) amphotericin B, IV insulin, and extensive debridement surgery, but had an unfavorable outcome due to rapid mucor invasion to the brain...
November 13, 2017: Curēus
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