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https://www.readbyqxmd.com/read/29785613/neuroinfections-caused-by-fungi
#1
REVIEW
Katarzyna Góralska, Joanna Blaszkowska, Magdalena Dzikowiec
BACKGROUND: Fungal infections of the central nervous system (FIs-CNS) have become significantly more common over the past 2 decades. Invasion of the CNS largely depends on the immune status of the host and the virulence of the fungal strain. Infections with fungi cause a significant morbidity in immunocompromised hosts, and the involvement of the CNS may lead to fatal consequences. METHODS: One hundred and thirty-five articles on fungal neuroinfection in PubMed, Google Scholar, and Cochrane databases were selected for review using the following search words: "fungi and CNS mycoses", CNS fungal infections", "fungal brain infections", " fungal cerebritis", fungal meningitis", "diagnostics of fungal infections", and "treatment of CNS fungal infections"...
May 21, 2018: Infection
https://www.readbyqxmd.com/read/29762763/yeasts-isolated-from-cloacal-swabs-feces-and-eggs-of-laying-hens
#2
Claudia Cafarchia, Roberta Iatta, Patrizia Danesi, Antonio Camarda, Gioia Capelli, Domenico Otranto
Domestic and wild birds may act as carriers of human pathogenic fungi, although the role of laying hens in spreading yeasts has never been investigated. We evaluated the presence of yeasts in the cloaca (Group I, n = 364), feces (Group II, n = 96), and eggs (Group III, n = 270) of laying hens. The occurrence and the population size of yeasts on the eggshell, as well as in the yolks and albumens, were assessed at the oviposition time and during storage of eggs at 22 ± 1°C and 4 ± 1°C. A statistically higher prevalence and population size of yeasts were recorded in Group I (49...
May 11, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29729017/risk-assessment-for-the-spread-of-candida-sp-in-dental-chair-unit-waterlines-using-molecular-techniques
#3
Wissame Mazari, Zahia Boucherit-Otmani, Imad Abdelhamid El Haci, Amine Ilahi, Kebir Boucherit
AIMS: The aim of this study was to evaluate the presence of yeasts in dental chair unit waterlines (DCUWLs) and to test their ability to form biofilms. MATERIALS AND METHODS: Eighteen dental waterlines were analysed by culture in liquid Sabouraud in order to allow the quantification and the purification of isolated yeasts from their internal surfaces. All isolates were identified by standard laboratory procedures, including CHROMagar Candida medium for orientation, commercial yeast identification system Api Candida, MALDI-TOF MS and DNA sequencing...
May 4, 2018: International Dental Journal
https://www.readbyqxmd.com/read/29709895/importance-of-soil-temperature-for-the-growth-of-temperate-crops-under-a-tropical-climate-and-functional-role-of-soil-microbial-diversity
#4
Nurul Syazwani Ahmad Sabri, Zuriati Zakaria, Shaza Eva Mohamad, A Bakar Jaafar, Hirofumi Hara
A soil cooling system that prepares soil for temperate soil temperatures for the growth of temperate crops under a tropical climate is described herein. Temperate agriculture has been threatened by the negative impact of temperature increases caused by climate change. Soil temperature closely correlates with the growth of temperate crops, and affects plant processes and soil microbial diversity. The present study focuses on the effects of soil temperatures on lettuce growth and soil microbial diversity that maintains the growth of lettuce at low soil temperatures...
April 28, 2018: Microbes and Environments
https://www.readbyqxmd.com/read/29676766/yeast-isolation-and-identification-in-water-used-in-a-brazilian-hemodialysis-unit-by-classic-microbiological-techniques-and-raman-spectroscopy
#5
Lilian Bueno Montanari, Flávio Garcia Sartori, Diórginis Bueno Montrazi Ribeiro, Luís Fernando Leandro, Regina Helena Pires, Márcia de Souza Carvalho Melhem, César Alexandre de Mello, Carlos Henrique Gomes Martins
The use of poorly treated water in hemodialysis centers may lead to fungal contamination, which poses a serious threat to immunologically debilitated hemodialysis patients. This study aimed to isolate and identify yeast species in the water of a Brazilian hemodialysis center by using classic microbiological techniques and Raman spectroscopy. For 12 months, a total of 288 water samples were collected from different points of the hemodialysis treatment distribution center. One hundred and forty-six yeast species were isolated and identified in the samples that tested positive for the presence of yeasts such as Candida parapsilosis (100 isolates, or 68...
April 2018: Journal of Water and Health
https://www.readbyqxmd.com/read/29665954/candida-species-in-tchapalo-and-bangui-two-traditional-alcoholic-beverages-from-c%C3%A3-te-d-ivoire
#6
Laurence A N Egue, Florent K N'guessan, Solange Aka-Gbezo, Jean-Paul K M Bouatenin, Marina Koussemon-Camara
The increase of infections due to non-Candida albicans species made it very necessary to conduct adequate characterization to be able to identify the species of Candida isolated from traditional fermented foods. In this study, based on their hue on Candida Chromogenic Agar medium, a total of 136 yeast strains were isolated from tchapalo and bangui. Molecular identification based on PCR-RFLP of internal transcribed spacers of rDNA (ITS) and sequencing of the ITS and the D1/D2 regions allowed us to assign these isolates to seven species: Candida tropicalis, Candida inconspicua, Candida rugosa, Saccharomyces cerevisiae, Kluyveromyces marxianus, Hanseniaspora guilliermondii, Trichosporon asahii...
May 2018: Fungal Biology
https://www.readbyqxmd.com/read/29649828/risk-analysis-for-invasive-fungal-infection-after-living-donor-liver-transplantation-which-patient-needs-potent-prophylaxis
#7
Masashi Utsumi, Yuzo Umeda, Takahito Yagi, Takeshi Nagasaka, Susumu Shinoura, Ryuich Yoshida, Daisuke Nobuoka, Takashi Kuise, Tomokazu Fuji, Kosei Takagi, Akinobu Takaki, Toshiyoshi Fujiwara
BACKGROUND: Invasive fungal infection (IFI) is associated with high mortality after living donor liver transplant (LDLT). The aim of this study was to identify the risk factors for post-LDLT IFI for early diagnosis and improvement of antifungal treatment outcome. METHODS: Risk analysis data were available for all 153 patients who underwent LDLT between January 2005 and April 2012. RESULTS: During the follow-up period (1,553 ± 73 days, range 20-2,946 days), 15 patients (9...
April 12, 2018: Digestive Surgery
https://www.readbyqxmd.com/read/29602635/yeasts-and-filamentous-fungi-associated-with-some-dairy-products-in-egypt
#8
A-A H Moubasher, M A Abdel-Sater, Z S M Soliman
This work aimed to identify and evaluate the diversity of yeasts and filamentous fungi that contaminate some dairy products (fresh buffalo milk, plain yoghurt, butter and Kareisk cheese) in Assiut city, Egypt. The identification was based on phenotypic characteristics, and genotypically in case of yeasts. The pHs of all dairy products lie within the acidic range, but yoghurt registered the highest value. A total of 41 genera and 89 species+3 varieties were recovered from all dairy products investigated on DRBC (26 genera representing 59 species+1 variety), DG18 (32 genera, 56 species+2 varieties) and MY50G (31 genera, 64 species+2 varieties)...
March 27, 2018: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29567595/the-ph-based-fed-batch-for-lipid-production-from-trichosporon-oleaginosus-with-crude-glycerol
#9
Jiaxin Chen, Xiaolei Zhang, Patrick Drogui, Rajeshwar Dayal Tyagi
In this study, it was found that the optimal pH for the growth of Trichosporon oleaginosus was related to the fermentation medium. A neutral or weak acid pH condition was optimal for the growth of Trichosporon oleaginosus in the extract-peptone-dextrose and wastewater sludge medium. Significant inhibition was observed at neutral pH in the wastewater sludge + crude glycerol medium due to the high soap content of the crude glycerol. By converting the soap to free fatty acid (FFA) at pH 5, the soap inhibition could be prevented...
March 13, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29560729/inhibitory-effect-of-a-lipopeptide-biosurfactant-produced-by-bacillus-subtilis-on-planktonic-and-sessile-cells-of-trichosporon-spp
#10
Rossana de Aguiar Cordeiro, Ewerton Weslley Caracas Cedro, Ana Raquel Colares Andrade, Rosana Serpa, Antonio José de Jesus Evangelista, Jonathas Sales de Oliveira, Vandbergue Santos Pereira, Lucas Pereira Alencar, Patrícia Bruna Leite Mendes, Bárbara Cibelle Soares Farias, Vânia Maria Maciel Melo, Zoilo Pires de Camargo, Débora de Souza Collares Maia Castelo-Branco, Raimunda Sâmia Nogueira Brilhante, José Júlio Costa Sidrim, Marcos Fábio Gadelha Rocha
The present study aimed to investigate the inhibitory effect of a bacterial biosurfactant (TIM96) on clinical strains of Trichosporon. Additionally, the effect of TIM96 on the ergosterol content, cell membrane integrity, and the hydrophobicity of planktonic cells was assessed. The inhibitory activity of TIM96 against Trichosporon biofilms was evaluated by analyzing metabolic activity, biomass and morphology. MIC values ranged from 78.125 to 312.5 μg ml-1 for TIM96; time-kill curves revealed that the decline in the number of fungal cells started after incubation for 6 h with TIM96 at both MIC and 2×MIC...
March 21, 2018: Biofouling
https://www.readbyqxmd.com/read/29560391/periprosthetic-fungal-infection-of-a-hip-caused-by-trichosporon-inkin
#11
Federico José Burgo, Diego Edmundo Mengelle, Agustín Abraham, Guillermina Kremer, Carlos María Autorino
An immunocompromised patient with a history of multiple hip implant revisions extended courses of empiric antibiotic treatment, and a retained metallic rod in the femoral medullary canal was transferred for diagnostic studies and treatment. A high suspicion of fungal infection and utilization of extended and specific fungal cultures were the diagnostic keys for infection with Trichosporon inkin . The treatment consisted in a debridement surgery with the use of a functional spacer with cement supplemented with voriconazole and vancomycin plus a 6-month systemic treatment with voriconazole...
March 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29530846/micafungin-breakthrough-fungemia-in-patients-with-hematological-disorders
#12
Muneyoshi Kimura, Hideki Araoka, Hisashi Yamamoto, Shigeki Nakamura, Minoru Nagi, Satoshi Yamagoe, Yoshitsugu Miyazaki, Sho Ogura, Takashi Mitsuki, Mitsuhiro Yuasa, Daisuke Kaji, Kosei Kageyama, Aya Nishida, Yuki Taya, Hiroshi Shimazu, Kazuya Ishiwata, Shinsuke Takagi, Go Yamamoto, Yuki Asano-Mori, Naoyuki Uchida, Atsushi Wake, Shuichi Taniguchi, Akiko Yoneyama
Limited data are available on micafungin breakthrough fungemia (MBF), fungemia that develops on administration of micafungin, in patients with hematological disorders. We reviewed medical and microbiological records of patients with hematological disorders who developed MBF between January 2008 and June 2015. A total of 39 patients with MBF were identified, and Candida (30 strains) and non- Candida (9 strains) fungal species were recognized as causative strains. Among 35 stored strains, Candida parapsilosis (14 strains), Trichosporon asahii (7 strains), Candida glabrata (5 strains), and other fungal species (9 strains) were identified by sequencing...
May 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29500851/detection-of-some-new-trichosporon-species-from-the-dystrophied-nails-of-three-female-members-of-a-family-from-north-indian-state-of-jammu-and-kashmir
#13
Sandeep Kotwal, Geeta Sumbali, Supriya Sharma, Sanjana Kaul
Dermatophytes are considered as the main pathogens responsible for onychomycosis, but recently successive isolations of yeast-like fungi from the infected nails has led to consider these also as primary agents of nail infections. Trichosporon species which are non-candidal, basidiomycetous, yeast-like, anamorphic fungi are commonly isolated from soil but they are also emerging as important etiological agents of onychomycosis. Three species of Trichosporon viz., T. asahii, T. asteroides and T. faecale were isolated from the infected nails of three female members of a family from district Doda of Jammu and Kashmir State...
March 3, 2018: Mycoses
https://www.readbyqxmd.com/read/29500590/comparison-of-gold-nanoparticles-biosynthesized-by-cell-free-extracts-of-labrys-trichosporon-montevideense-and-aspergillus
#14
Wenli Shen, Yuanyuan Qu, Xuanying Li, Xiaofang Pei, Shengnan You, Qingxin Yin, Jingwei Wang, Qiao Ma
Biosynthesis of gold nanoparticles (AuNPs) by microbes has received much attention as an efficient and eco-friendly process. However, the characteristics of AuNPs biosynthesized by different microbial cell-free extracts are rarely comparatively studied. In this study, three locally isolated strains, i.e., bacteria Labrys sp. WJW, yeast Trichosporon montevideense WIN, and filamentous fungus Aspergillus sp. WL-Au, were selected for AuNPs biosynthesis. UV-Vis absorption bands at 538, 539, and 543 nm confirmed the formation of AuNPs by these strains...
March 2, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29497926/antifungal-activity-of-chitosan-coated-poly-lactic-co-glycolic-acid-nanoparticles-containing-amphotericin-b
#15
Daniel Brustolin Ludwig, Luciana Erzinger Alves de Camargo, Najeh Maissar Khalil, Marcos Ereno Auler, Rubiana Mara Mainardes
Amphotericin B (AmB) is one of the most used drugs for the treatment of systemic fungal infections; however, the treatment causes several toxic manifestations, including nephrotoxicity and hemolytic anemia. Chitosan-coated poly(lactide-co-glycolide) (PLGA) nanoparticles containing AmB were developed with the aim to decrease AmB toxicity and propose the oral route for AmB delivery. In this work, the antifungal efficacy of chitosan-coated PLGA nanoparticles containing AmB was evaluated in 20 strains of fungus isolates from patients with vulvovaginal candidiasis (01 Candida glabrata and 03 Candida albicans), bloodstream infections (04 C...
March 1, 2018: Mycopathologia
https://www.readbyqxmd.com/read/29492640/a-lab-scale-model-system-for-cocoa-bean-fermentation
#16
Edwina Romanens, Rebecca Näf, Tobias Lobmaier, Vasilisa Pedan, Susette Freimüller Leischtfeld, Leo Meile, Susanne Miescher Schwenninger
Lab-scale systems modelling the spontaneous cocoa bean fermentation process are useful tools to research the influence of process parameters on the fermentation and the final bean quality. In this study in Honduras, a 1-kg lab-scale fermentation (LS-F) was compared to a 300-kg on-farm fermentation (OF-F) in a multiphasic approach, analysing microbial counts, microbial species diversity, physico-chemical parameters, and final dried bean quality. Yeast and total aerobic counts of up to 8 log CFU/g during the LS-F were comparable to the OF-F, while counts for lactic acid bacteria and acetic acid bacteria were up to 3 log CFU/g lower during the LS-F than during the OF-F...
April 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29491339/-histopathological-diagnosis-of-invasive-fungal-infections-in-formalin-fixed-and-paraffin-embedded-tissues-in-conjunction-with-molecular-methods
#17
COMPARATIVE STUDY
Minoru Shinozaki, Naobumi Tochigi, Sota Sadamoto, Somay Yamagata Murayama, Megumi Wakayama, Tetsuo Nemoto
The main objective of this study was to evaluate the relationship between histopathology, polymerase chain reaction (PCR), and in situ hybridization (ISH) for the identification of causative fungi in formalin-fixed and paraffin-embedded (FFPE) tissue specimens. Since pathogenic fungi in tissue specimens can be difficult to identify morphologically, PCR and ISH have been usually employed as auxiliary procedures. However, little comparison has been made on the sensitivity and specificity of PCR and ISH using FFPE specimens...
2018: Medical Mycology Journal
https://www.readbyqxmd.com/read/29459527/-a-case-of-summer-type-hypersensitivity-pneumonitis-accompanied-by-the-syndrome-of-inappropriate-secretion-of-antidiuretic-hormone
#18
Yukiko Abe, Tsutomu Kawasaki, Kazuhiro Shimaya, Toshihisa Ishikawa, Yuki Kata, Kaori Okayasu, Koji Unoura, Yoichi Nakamura
A 47-year old man presented to our hospital with a 6-month history of malaise, cough and dyspnea on exertion. Laboratory testing revealed the severe hyponatremia. A chest X-ray showed bilateral diffuse micronodules. Anti-Trichosporon asahii antibody and environmental provocation test were positive. Bronchoalveolar lavage fluid showed lymphocytosis and low CD4/8 ratio. The specimens obtained by transbronchial lung biopsy revealed alveolitis. Based on these findings, the patient was diagnosed as having summer-type hypersensitivity pneumonitis (SHP)...
2018: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/29428610/performance-and-microbial-community-structure-of-a-polar-arctic-circle-aerobic-granular-sludge-system-operating-at-low-temperature
#19
Alejandro Gonzalez-Martinez, Barbara Muñoz-Palazon, Paula Maza-Márquez, Alejandro Rodriguez-Sanchez, Jesus Gonzalez-Lopez, Riku Vahala
The aim of this work was to study the performance and microbial community structure of a polar Arctic Circle aerobic granular sludge (AGS) system operating at low temperature. Thus, an AGS bioreactor was operated at 7, 5 and 3 °C of temperature using a cold-adapted sludge from Lapland. At 5 °C, it yielded acceptable conversion rates, in terms of nitrogen, phosphorous, and organic matter. However, under 3 °C a negligible nitrogen and phosphorous removal performance was observed. Below 5 °C, scanning electron microscopy studies showed a wispy, non-dense and irregular granular structure with a strong outgrowth of filamentous...
May 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29372610/hepatobiliary-and-pancreatic-rare-cause-of-obstructive-jaundice-by-trichosporon-asahii
#20
L H Zhang, Y Tai, H Tong, X J Lei, C W Tang
No abstract text is available yet for this article.
February 2018: Journal of Gastroenterology and Hepatology
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