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fungal diseases

Katsuhiko Hirota, Hiromichi Yumoto, Bayarmagnai Sapaar, Takashi Matsuo, Tetsuo Ichikawa, Yoichiro Miyake
Candida albicans is commonly found as a member of the human microflora and a major human opportunistic fungal pathogen. A perturbation of the microbiome can lead to infectious diseases caused by various microorganisms, including C. albicans. Moreover, the interactions between C. albicans and bacteria are considered to play critical roles in human health. The major biological feature of C. albicans, which impacts human health, resides in its ability to form biofilms. In particular, the extracellular matrix (ECM) of Candida biofilm plays a multifaceted role and therefore may be considered as a highly attractive target to combat biofilm-related infectious diseases...
October 21, 2016: Journal of Applied Microbiology
Ricardo Ferrer, Rafael Zaragoza, Alejandro H Rodríguez, Emilio Maseda, Pedro Llinares, Santiago Grau, Francisco Álvarez-Lerma, Guillermo Quindós, Miguel Salavert, Rafael Huarte
BACKGROUND: Although the management of invasive fungal infection (IFI) has improved, a number of controversies persist regarding the approach to invasive fungal infection in non-neutropenic medical ward patients. AIMS: To identify the essential clinical knowledge to elaborate a set of recommendations with a high level of consensus necessary for the management of IFI in non-neutropenic medical ward patients. METHODS: A prospective, Spanish questionnaire, which measures consensus through the Delphi technique, was anonymously answered and e-mailed by 30 multidisciplinary national experts, all specialists (intensivists, anesthesiologists, microbiologists, pharmacologists and specialists in infectious diseases) in IFI and belonging to six scientific national societies...
October 18, 2016: Revista Iberoamericana de Micología
C Garcia-Benitez, P Melgarejo, A De Cal
Brown rot caused by the fungi Monilinia laxa (Aderhold and Ruhland) Honey, M. fructicola (Winter) Honey, or M. fructigena (Aderhold and Ruhland) is a serious fungal disease of peaches. The fungal infection process begins when fungal conidia germinate on the fruit surface to produce germ tubes and/or appressoria, and the incidence of brown rot increases as fruit approaches maturity. The interaction between the fungal infection process, peach maturity, and the environmental conditions is not well understood. Accordingly, the objectives of this investigation were to investigate germ tube and appressorial formation by M...
September 23, 2016: International Journal of Food Microbiology
Dnyaneshwar D Athavale, Robin Jones, Brett A O'Donnell, Martin Forer, Nigel Biggs
PURPOSE: To describe the non-exenteration management of sino-orbital fungal infection, a life-threatening condition for which orbital exenteration is generally considered a first-line treatment. METHODS: A retrospective case series is presented of 7 orbits in 6 consecutive patients admitted and treated at 2 major metropolitan tertiary teaching hospitals in Sydney, New South Wales, Australia. RESULTS: Seven orbits in 6 consecutive patients with sino-orbital fungal infection were treated conservatively with surgical debridement and intravenous antifungal agents...
October 20, 2016: Ophthalmic Plastic and Reconstructive Surgery
Athanasios Tragiannidis, Ioannis Kyriakidis, Ilse Zündorf, Andreas H Groll
Macromolecular immunosuppressive monoclonal antibodies and fusion proteins directed against molecules or cells involved in inflammation and immunity represent a recent and important addition to our therapeutic armamentarium. Tumor necrosis alpha (TNFα) is a cytokine involved in systemic inflammation and clinical utilization of its antagonists has revolutionized treatment of juvenile rheumatoid and psoriatic arthritis, ankylosing spondylitis, Crohn's disease, ulcerative colitis, and plaque psoriasis. Clinical utility has also been demonstrated for use against steroid-refractory graft-vs-host disease and other immune-mediated conditions...
October 21, 2016: Mycoses
Maria Pia Bondioni, Vassilios Lougaris, Giuseppe Di Gaetano, Tiziana Lorenzini, Annarosa Soresina, Francesco Laffranchi, Diego Gatta, Alessandro Plebani
PURPOSE: The purpose of this study is to evaluate the possibility of early detection of pulmonary fungal infections by lung CT scan in chronic granulomatous disease (CGD). METHODS: A retrospective study on 14 patients affected with CGD for a total of 18 infectious episodes was performed. Revision of clinical data and CT scan analysis before and after treatment was performed. RESULTS: The presence of lung nodules <30 mm was evaluated in 18 infectious episodes in 14 patients...
October 21, 2016: Journal of Clinical Immunology
Kazuhiko Umazume, Jun Suzuki, Yoshihiko Usui, Yoshihiro Wakabayashi, Hiroshi Goto
Purpose. Endogenous endophthalmitis (EE) is a rare ocular disease caused by bacterial or fungal infection of intraocular spaces by hematogenous spread of pathogens from distant infectious loci in the body. We investigated the clinical characteristics and management of eyes with EE in ten consecutive patients. Methods. Ten patients (10 eyes) with EE treated at Tokyo Medical University Hospital in 2014 were reviewed. We retrospectively studied the causative organisms, systemic complications, pre/postoperative mean best-corrected visual acuity (BCVA), and status of posterior vitreous detachment (PVD)...
2016: Journal of Ophthalmology
Huy X Ngo, Sylvie Garneau-Tsodikova, Keith D Green
Fungal infections directly affect millions of people each year. In addition to the invasive fungal infections of humans, the plants and animals that comprise our primary food source are also susceptible to diseases caused by these eukaryotic microbes. The need for antifungals, not only for our medical needs, but also for use in agriculture and livestock causes a high demand for novel antimycotics. Herein, we provide an overview of the most commonly used antifungals in medicine and agriculture. We also present a summary of the recent progress (from 2010-2016) in the discovery/development of new agents against fungal strains of medical/agricultural relevance, as well as information related to their biological activity, their mode(s) of action, and their mechanism(s) of resistance...
July 1, 2016: MedChemComm
Kaori Sadakane, Takamichi Ichinose, Masataka Nishikawa, Hirohisa Takano, Takayuki Shibamoto
BACKGROUND: Epidemiological studies have implicated Asian sand dust (ASD) in the increased prevalence of respiratory disorders, including asthma. It has been observed that fungal elements such as β-glucan can be adsorbed onto ASD. In the present study, the exacerbating effect of the combined exposure to zymosan A (ZymA) containing yeast β-glucan and heat-inactivated ASD on ovalbumin (OVA)-induced murine lung eosinophilia was investigated. METHODS: BALB/c mice were repeatedly instilled intratracheally with one of eight immunogenic formulations consisting of various combinations of (1) ZymA, (2) ASD that was briefly heated to remove organic substances (H-ASD), and (3) OVA in normal saline, or each of the above alone...
2016: Allergy, Asthma, and Clinical Immunology
Guigang Li, Jingmin Guo, Rong Liu, Weikun Hu, Lingjuan Xu, Juan Wang, Subo Cai, Hong Zhang, Yingting Zhu
Background: To explore the prevalence of lacrimal duct obstruction in patients with infectious keratitis, and the necessity of lacrimal duct dredge in the treatment of human infectious keratitis. Methodology/Principle Findings: The design is prospective, non-control case series. Thirty-one eyes from twenty-eight continuous patients with infectious keratitis were included in this study. The presence/absence of lacrimal duct obstruction was determined by the lacrimal duct irrigation test. The diagnosis of infectious keratitis was made based on clinical manifestations, cornea scraping microscopic examination and bacterial/fungus culture...
2016: International Journal of Medical Sciences
David R Stather, Alain Tremblay, Elaine Dumoulin, Paul MacEachern, Alex Chee, Christopher Hergott, Jacob Gelberg, Gary A Gelfand, Paul Burrowes, John H MacGregor, Christopher H Mody
BACKGROUND: Intracavitary pulmonary aspergilloma is a chronic, debilitating fungal infection. Without definitive therapy, death can occur from massive hemoptysis, cachexia, or secondary infection. Although surgical resection is the standard therapy, it is not possible for many patients owing to poor pulmonary function or medical comorbidities. Aspergilloma removal through bronchoscopy is an important alternative therapy that may be available in select cases. METHODS: We retrospectively reviewed all cases referred to the University of Calgary Interventional Pulmonary Service for transbronchial removal of intracavitary aspergilloma from January 1, 2009, to January 1, 2014...
October 17, 2016: Annals of Thoracic Surgery
Z Tang, J Q Wang, L J Feng, Z F Tu
No abstract text is available yet for this article.
October 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Jingni Wu, Yiming Wang, Sook-Young Park, Sang Gon Kim, Ju Soon Yoo, Sangryeol Park, Ravi Gupta, Kyu Young Kang, Sun Tae Kim
Rice blast disease caused by Magnaporthe oryzae is one of the most devastating fungal diseases of rice and results in a huge loss of rice productivity worldwide. During the infection process, M. oryzae secretes a large number of glycosyl hydrolase proteins into the host apoplast to digest the cell wall and facilitate fungal ingression into host tissues. In this study, we identified a novel arabinofuranosidase-B (MoAbfB) protein that is secreted by M. oryzae during fungal infection. Deletion of MoAbfB from M...
2016: PloS One
Voon Kin Chin, Tze Yan Lee, Basir Rusliza, Pei Pei Chong
Candida bloodstream infections remain the most frequent life-threatening fungal disease, with Candida albicans accounting for 70% to 80% of the Candida isolates recovered from infected patients. In nature, Candida species are part of the normal commensal flora in mammalian hosts. However, they can transform into pathogens once the host immune system is weakened or breached. More recently, mortality attributed to Candida infections has continued to increase due to both inherent and acquired drug resistance in Candida, the inefficacy of the available antifungal drugs, tedious diagnostic procedures, and a rising number of immunocompromised patients...
October 18, 2016: International Journal of Molecular Sciences
Andrés Núñez, Guillermo Amo de Paz, Alberto Rastrojo, Ana M García, Antonio Alcamí, A Montserrat Gutiérrez-Bustillo, Diego A Moreno
The first part of this review ("Monitoring of airborne biological particles in outdoor atmosphere. Part 1: Importance, variability and ratios") describes the current knowledge on the major biological particles present in the air regarding their global distribution, concentrations, ratios and influence of meteorological factors in an attempt to provide a framework for monitoring their biodiversity and variability in such a singular environment as the atmosphere. Viruses, bacteria, fungi, pollen and fragments thereof are the most abundant microscopic biological particles in the air outdoors...
March 2016: International Microbiology: the Official Journal of the Spanish Society for Microbiology
Gillian Hertlein, Marlene Seiffert, Sebastian Gensel, Eva Garcia-Gonzalez, Julia Ebeling, Ranko Skobalj, Anja Kuthning, Roderich D Süssmuth, Elke Genersch
The Gram-positive bacterium Paenibacillus larvae (P. larvae) is the causative agent of a deadly honey bee brood disease called American Foulbrood (AFB). AFB is a notifiable epizootic in most countries and, hence, P. larvae is of considerable relevance for veterinarians and apiculturists alike. Over the last decade, much progress has been made in the understanding of the (patho)biology of P. larvae. Recently, several non-ribosomally produced peptides (NRP) and peptide/polyketide (NRP/PK) hybrids produced by P...
2016: PloS One
Micheline N Ngaki, Bing Wang, Binod B Sahu, Subodh K Srivastava, Mohammad S Farooqi, Sekhar Kambakam, Sivakumar Swaminathan, Madan K Bhattacharyya
Fusarium virguliforme causes the serious disease sudden death syndrome (SDS) in soybean. Host resistance to this pathogen is partial and is encoded by a large number of quantitative trait loci, each conditioning small effects. Breeding SDS resistance is therefore challenging and identification of single-gene encoded novel resistance mechanisms is becoming a priority to fight this devastating this fungal pathogen. In this transcriptomic study we identified a few putative soybean defense genes, expression of which is suppressed during F...
2016: PloS One
A Pandey, Keshri S Yadav, Gaurav Singh, M Chaturvedi
Kyrle's disease is a rare skin disorder which is characterized by hyperkeratotic papules and nodules with a central keratotic plug mostly located in lower limbs. Exact etiology of Kyrle's disease is unknown, but its association has been reported sparsely with renal disorders, uremic patients on dialysis, diabetes mellitus, liver disease and paraneoplastic syndromes, tuberculosis and some fungal diseases. We report Kyrle's disease in a middle aged female suffering from diabetes mellitus with diabetic nephropathy on hemodialysis...
July 2016: Journal of the Association of Physicians of India
Selwyn Arlington Headley, Lucienne Garcia Pretto-Giordano, Giovana Wingeter Di Santis, Lucas Alécio Gomes, Rafaela Macagnan, Daniela Farias da Nóbrega, Katherine Moura Leite, Brígida Kussumoto de Alcântara, Eiko Nakagawa Itano, Amauri Alcindo Alfieri, Mario Augusto Ono
Paracoccidioidomycosis (PCM) is an endemic disease of humans from Latin America that is caused by Paracoccidioides brasiliensis and P. lutzii, with most cases of PCM in domestic animals being associated with P. brasiliensis. This study presents the clinical, cytological, mycological, serological, and molecular findings associated with P. brasiliensis in a dog from Southern Brazil. Fine needle biopsies were collected from the skin and several lymph nodes of a 5-year-old female Labrador dog that had enlargement of most superficial lymph nodes...
October 18, 2016: Mycopathologia
Hanan R Shehata, Cassandra L Ettinger, Jonathan A Eisen, Manish N Raizada
Endophytes are microbes that inhabit internal plant tissues without causing disease. Some endophytes are known to combat pathogens. The corn (maize) landrace Chapalote has been grown continuously by subsistence farmers in the Americas since 1000 BC, without the use of fungicides, and the crop remains highly valued by farmers, in part for its natural tolerance to pests. We hypothesized that the pathogen tolerance of Chapalote may, in part, be due to assistance from its endophytes. We previously identified a bacterial endophyte from Chapalote seeds, Burkholderia gladioli strain 3A12, for its ability to combat a diversity of crop pathogens, including Sclerotinia homoeocarpa, the most important fungal disease of creeping bentgrass, a relative of maize used here as a model system...
2016: Frontiers in Microbiology
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