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https://www.readbyqxmd.com/read/28736890/insect-frass-in-stored-cereal-products-as-a-potential-source-of-lactobacillus-sanfranciscensis-for-sourdough-ecosystem
#1
Federica Boiocchi, Davide Porcellato, Lidia Limonta, Claudia Picozzi, Ileana Vigentini, Daria Patrizia Locatelli, Roberto Foschino
AIM: Insect frass samples were collected from Drosophila melanogaster, Plodia interpunctella, Rhyzopertha dominica, Sitophilus granarius, S. oryzae, S. zeamais, Tribolium confusum and T. castaneum to elucidate if they can be the origin of Type I sourdough microorganisms (Lactobacillus sanfranciscensis and Candida milleri). METHODS AND RESULTS: Selective enrichments were carried out to isolate Lactic Acid Bacteria and yeast. A metagenetic analysis, targeted on bacterial 16S rRNA gene and fungal ITS region, was performed by using Illumina MiSeq protocol...
July 23, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28734739/serum-levels-of-squamous-cell-carcinoma-antigens-1-and-2-reflect-disease-severity-and-clinical-type-of-atopic-dermatitis-in-adult-patients
#2
Tomoko Okawa, Yukie Yamaguchi, Kenzen Kou, Junya Ono, Yoshinori Azuma, Noriko Komitsu, Yusuke Inoue, Masumi Kohno, Setsuko Matsukura, Takeshi Kambara, Shoichiro Ohta, Kenji Izuhara, Michiko Aihara
BACKGROUND: Recent studies have indicated that serum levels of squamous cell carcinoma antigen (SCCA) 1 and 2 induced by type 2 cytokines such as IL-4 and IL-13, are increased in patients with atopic dermatitis (AD). However, no clinical studies have analyzed serum levels of SCCA2 in larger series of AD patients or their association with various clinical characteristics. This study was performed to clarify whether serum levels of SCCA2 are associated with disease severity and clinical phenotypes of adult AD patients...
July 19, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28734712/-candidemia-in-pediatrics-species-distribution-and-antifungal-susceptibility
#3
Luciana B Guzzetti, Cecilia M Vescina, M Florencia Gil, Blanca M Gatti
Serious infections caused by Candida yeasts are frequent in the hospital population. Due to differences in species distribution and antifungal susceptibility testing depending on the geographic area and the type of patient, it is important to study the epidemiology of each institution. For this purpose, we conducted a retrospective, descriptive study on the occurrence of candidemia in the Children's Hospital "Superiora Sor María Ludovica" of the city of La Plata. In a 6-year period (2010-2015), 177 candidemia episodes were recorded...
July 19, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28733532/cancer-risk-in-patients-with-candidiasis-a-nationwide-population-based-cohort-study
#4
Li-Min Chung, Ji-An Liang, Cheng-Li Lin, Li-Min Sun, Chia-Hung Kao
BACKGROUND: Candidiasis and certain types of cancer are related to immunocompromised status. This study aimed to evaluate whether Candida infection (CI) is associated with subsequent cancer risk in Taiwan. METHODS: Data from the National Health Insurance system of Taiwan were used to evaluate the association between CI and cancer risk. The CI cohort comprised 34,829 patients. Each patient was randomly frequency matched with one person from the general population without CI on the basis of age, sex, year of index date of CI diagnosis, and other characteristics to generate the control group...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732554/microbial-ecology-and-process-technology-of-sourdough-fermentation
#5
Luc De Vuyst, Simon Van Kerrebroeck, Frédéric Leroy
From a microbiological perspective, sourdough is to be considered as a specific and stressful ecosystem, harboring yeasts and lactic acid bacteria (LAB), that is used for the production of baked goods. With respect to the metabolic impact of the sourdough microbiota, acidification (LAB), flavor formation (LAB and yeasts), and leavening (yeasts and heterofermentative LAB species) are most noticeable. Three distinct types of sourdough fermentation processes can be discerned based on the inocula applied, namely backslopped ones (type 1), those initiated with starter cultures (type 2), and those initiated with a starter culture followed by backslopping (type 3)...
2017: Advances in Applied Microbiology
https://www.readbyqxmd.com/read/28728692/magnetic-resonance-in-transthyretin%C3%A2-cardiac-amyloidosis
#6
Ana Martinez-Naharro, Thomas A Treibel, Amna Abdel-Gadir, Heerajnarain Bulluck, Giulia Zumbo, Daniel S Knight, Tushar Kotecha, Rohin Francis, David F Hutt, Tamer Rezk, Stefania Rosmini, Candida C Quarta, Carol J Whelan, Peter Kellman, Julian D Gillmore, James C Moon, Philip N Hawkins, Marianna Fontana
BACKGROUND: Cardiac transthyretin amyloidosis (ATTR) is an increasingly recognized cause of heart failure. Cardiac magnetic resonance (CMR), with late gadolinium enhancement (LGE) and T1 mapping, is emerging as a reference standard for diagnosis and characterization of cardiac amyloidosis. OBJECTIVES: The authors used CMR with extracellular volume fraction (ECV) measurement to characterize cardiac involvement in relation to outcome in ATTR. METHODS: Subjects comprised 263 patients with cardiac ATTR corroborated by grade 2 to 3 (99m)Tc-DPD ((99m)Tc-3,3-diphosphono-1,2-propanodicarboxylic acid) cardiac uptake, 17 with suspected cardiac ATTR (grade 1 (99m)Tc-DPD), and 12 asymptomatic individuals with amyloidogenic transthyretin (TTR) mutations...
July 25, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28713338/investigation-of-och1-in-the-virulence-of-candida-parapsilosis-using-a-new-neonatal-mouse-model
#7
Katalin Csonka, Máté Vadovics, Annamária Marton, Csaba Vágvölgyi, Erik Zajta, Adél Tóth, Renáta Tóth, Csaba Vizler, László Tiszlavicz, Héctor M Mora-Montes, Attila Gácser
Candida parapsilosis is an opportunistic human fungal pathogen that poses a serious threat to low birth weight neonates, particularly at intensive care units. In premature infants, the distinct immune responses to Candida infections are not well understood. Although several in vivo models exist to study systemic candidiasis, only a few are available to investigate dissemination in newborns. In addition, the majority of related studies apply intraperitoneal infection rather than intravenous inoculation of murine infants that may be less efficient when studying systemic invasion...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28712126/evidence-of-an-abnormal-epithelial-barrier-in-active-untreated-and-corticosteroid-treated-eosinophilic-esophagitis
#8
Dagmar Simon, Basile Page, Monique Vogel, Christian Bussmann, Carine Blanchard, Alex Straumann, Hans-Uwe Simon
BACKGROUND: Eosinophilic esophagitis (EoE) is a chronic, immune/antigen-mediated disease characterized by symptoms related to esophageal dysfunction and an eosinophil-predominant inflammation. This study has aimed to investigate whether the recently observed sensitization to Candida albicans in EoE patients is owing to pre-existing disease and its underlying abnormal epithelial barrier or, alternatively, is linked to corticosteroid (CS) therapy. METHODS: Medical histories, as well as serum and tissue samples of 60 EoE patients (15 CS-naive, 45 with current or previous CS therapy) and 20 controls, stored in the Swiss Eosinophilic Esophagitis Database (SEED) and Biobank, were analyzed...
July 16, 2017: Allergy
https://www.readbyqxmd.com/read/28706389/current-mycological-profile-of-onychomycosis-in-kashmir-valley-a-hospital-based-study
#9
Nazir Asifa, Kanth Farhath
INTRODUCTION: Onychomycosis is a common nail ailment associated with significant physical and psychological morbidity. It is caused by dermatophytes, nondermatophytic molds, and yeasts. Increased prevalence in the recent years is attributed to enhanced longevity, comorbid conditions such as diabetes, avid sports participation, and emergence of HIV. AIMS AND OBJECTIVES: This study was undertaken to identify the mycological profile and etiological agents associated with this infection...
July 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28704553/screening-and-characterizing-of-xylanolytic-and-xylose-fermenting-yeasts-isolated-from-the-wood-feeding-termite-reticulitermes-chinensis
#10
Sameh Samir Ali, Jian Wu, Rongrong Xie, Feng Zhou, Jianzhong Sun, Miao Huang
The effective fermentation of xylose remains an intractable challenge in bioethanol industry. The relevant xylanase enzyme is also in a high demand from industry for several biotechnological applications that inevitably in recent times led to many efforts for screening some novel microorganisms for better xylanase production and fermentation performance. Recently, it seems that wood-feeding termites can truly be considered as highly efficient natural bioreactors. The highly specialized gut systems of such insects are not yet fully realized, particularly, in xylose fermentation and xylanase production to advance industrial bioethanol technology as well as industrial applications of xylanases...
2017: PloS One
https://www.readbyqxmd.com/read/28700656/unexpected-effects-of-azole-transporter-inhibitors-on-antifungal-susceptibility-in-candida-glabrata-and-other-pathogenic-candida-species
#11
Yohsuke Nagayoshi, Taiga Miyazaki, Shintaro Shimamura, Hironobu Nakayama, Asuka Minematsu, Shunsuke Yamauchi, Takahiro Takazono, Shigeki Nakamura, Katsunori Yanagihara, Shigeru Kohno, Hiroshi Mukae, Koichi Izumikawa
The pathogenic fungus Candida glabrata is often resistant to azole antifungal agents. Drug efflux through azole transporters, such as Cdr1 and Cdr2, is a key mechanism of azole resistance and these genes are under the control of the transcription factor Pdr1. Recently, the monoamine oxidase A (MAO-A) inhibitor clorgyline was shown to inhibit the azole efflux pumps, leading to increased azole susceptibility in C. glabrata. In the present study, we have evaluated the effects of clorgyline on susceptibility of C...
2017: PloS One
https://www.readbyqxmd.com/read/28689871/cd101-a-long-acting-echinocandin-and-comparator-antifungal-agents-tested-against-a-global-collection-of-invasive-fungal-isolates-in-the-sentry-2015-antifungal-surveillance-program
#12
Michael A Pfaller, Shawn A Messer, Paul R Rhomberg, Mariana Castanheira
CD101 is a novel echinocandin with exceptional chemical stability and long-acting pharmacokinetics. The activity of CD101 and comparators was evaluated using CLSI broth microdilution methods against 713 invasive fungal isolates, including 589 Candida spp. (6 species), 14 C. neoformans, 97 A. fumigatus and 13 A. flavus species complex collected worldwide during 2015. All C. tropicalis, C. krusei and C. dubliniensis, 99.7% of C. albicans and 98.3% of C. glabrata were inhibited by ≤0.12 µg/mL of CD101, and these isolates were susceptible/wild type to other echinocandins using CLSI clinical breakpoint and epidemiological cutoff value (ECV) interpretive criteria...
July 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28684792/fungus-derived-hydroxyl-radicals-kill-hepatic-cells-by-enhancing-nuclear-transglutaminase
#13
Ronak Shrestha, Rajan Shrestha, Xian-Yang Qin, Ting-Fang Kuo, Yugo Oshima, Shun Iwatani, Ryutaro Teraoka, Keisuke Fujii, Mitsuko Hara, Mengqian Li, Azusa Takahashi-Nakaguchi, Hiroji Chibana, Jun Lu, Muyi Cai, Susumu Kajiwara, Soichi Kojima
We previously reported the importance of induced nuclear transglutaminase (TG) 2 activity, which results in hepatic cell death, in ethanol-induced liver injury. Here, we show that co-incubation of either human hepatic cells or mouse primary hepatocytes derived from wild-type but not TG2(-/-) mice with pathogenic fungi Candida albicans and C. glabrata, but not baker's yeast Saccharomyces cerevisiae, induced cell death in host cells by enhancing cellular, particularly nuclear, TG activity. Further pharmacological and genetic approaches demonstrated that this phenomenon was mediated partly by the production of reactive oxygen species (ROS) such as hydroxyl radicals, as detected by a fluorescent probe and electron spin resonance...
July 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28681024/is-human-dectin-1-y238x-gene-polymorphism-related-to-susceptibility-to-recurrent-vulvovaginal-candidiasis
#14
N Zahedi, S Abedian Kenari, S Mohseni, N Aslani, S Ansari, H Badali
BACKGROUND AND PURPOSE: Vulvovaginal candidiasis is a frequent disease affecting approximately more than %75 of all childbearing women at least once in their lifetime by overgrowth of opportunistic Candida species. Recurrent vulvovaginal candidiasis (RVVC) is common in otherwise healthy individuals. Several risk factors were reported to contribute to RVVC susceptibility. A polymorphism in Dectin-1 (Y238X, rs16910526 ) was identified in patients with RVVC and hypothesized that genetic factors play an important role in susceptibility to RVVC...
September 2016: Advances in Medical Mycology (Iran)
https://www.readbyqxmd.com/read/28678946/investigations-of-the-prevalence-and-virulence-of-candida-albicans-in-periodontal-and-endodontic-lesions-in-diabetic-and-normoglycemic-patients
#15
Cinthya Cristina Gomes, Ludmila Silva Guimarães, Larissa Christina Costa Pinto, Gabriela Alessandra da Cruz Galhardo Camargo, Maria Isabel Bastos Valente, Maria Inêz de Moura Sarquis
Objective: The aim of this study was to investigate the prevalence of isolated Candida albicans from periodontal endodontic lesions in diabetic and normoglycemic patients, and the fungi's virulence in different atmospheric conditions. Material and Methods: A case-control study was conducted on 15 patients with type 2 diabetes mellitus (G1) and 15 non-diabetics (G2) with periodontal endodontic lesions. Samples of root canals and periodontal pockets were plated on CHROMagar for later identification by polymerase chain reaction (PCR) and virulence test...
May 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28674706/the-effect-of-treatment-of-denture-related-stomatitis-on-peripheral-t-cells-and-monocytes
#16
Joanna Maciąg, Tomasz Mikołajczyk, Paweł Matusik, Daniel Nowakowski, Douglas Robertson, Anna Maciąg, Grzegorz Osmenda, Marta Cześnikiewicz-Guzik
PURPOSE: Systemic immune activation has been recently linked to chronic inflammatory disorders of the oral cavity, particularly to periodontitis. The purpose of this study was to determine whether treatment of a fungus-induced oral inflammation, namely denture-related stomatitis (DRS), can affect the activation of the systemic immune response. MATERIALS AND METHODS: Peripheral blood from patients with denture-related stomatitis caused by Candida albicans infection (n = 15) was collected at three time points: before treatment with nystatin, at the end of therapy and 2 months after finishing therapy...
2017: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/28674314/candida-tropicalis-biofilm-formation-and-efficacy-of-liposomal-amphotericin-b-using-time-lapse-images
#17
Akira Kawai, Yuka Yamagishi, Hiroshige Mikamo
Candida species bloodstream infection such as candidemia remains a significant with high morbidity and mortality. Bloodstream infections caused by Candida species is often associated with the ability of Candida to form biofilms by using medical devices, such as central venous catheters. Non-albicans Candida species are increasing gradually in recent clinical practices. One of the Candida species, C. tropicalis, is likely to form biofilms and is also an independent risk factor with high morbidity and mortality in hospitalized patients...
July 1, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28671690/skewing-of-the-population-balance-of-lymphoid-and-myeloid-cells-by-secreted-and-intracellular-osteopontin
#18
Masashi Kanayama, Shengjie Xu, Keiko Danzaki, Jason R Gibson, Makoto Inoue, Simon G Gregory, Mari L Shinohara
The balance of myeloid populations and lymphoid populations must be well controlled. Here we found that osteopontin (OPN) skewed this balance during pathogenic conditions such as infection and autoimmunity. Notably, two isoforms of OPN exerted distinct effects in shifting this balance through cell-type-specific regulation of apoptosis. Intracellular OPN (iOPN) diminished the population size of myeloid progenitor cells and myeloid cells, and secreted OPN (sOPN) increase the population size of lymphoid cells...
July 3, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28667115/cgmed3-changes-membrane-sterol-composition-to-help-candida-glabrata-tolerate-low-ph-stress
#19
Xiaobao Lin, Yanli Qi, Dongni Yan, Hui Liu, Xiulai Chen, Liming Liu
Candida glabrata is a promising microorganism for organic acid production. The present study aimed to investigate the role of Mediator complex subunit 3 (CgMed3p) in protecting C. glabrata at low pH conditions. To this end, the genes CgMED3A and CgMED3B were deleted, resulting in the double deletion Cgmed3ABΔ strain. Final biomass and cell viability of Cgmed3ABΔ decreased by 64.5% and 35.8%, respectively, compared to the wild-type at pH 2.0. In addition, lack of CgMed3ABp resulted in selective repression of a subset of genes in the lipid biosynthesis and metabolism pathways...
June 30, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28665598/isolation-and-characterization-of-sesquiterpenoids-from-cassia-buds-and-their-antimicrobial-activities
#20
Yindengzhi Guoruoluo, Haofeng Zhou, Junfei Zhou, Haiqing Zhao, Haji Akber Aisa, Guangmin Yao
Cassia buds, the immature fruits of Cinnamomum cassia (Lauraceae), are widely consumed as a food spice, dietary supplements, flavoring agents, and preservatives. In this study, cassia buds were phytochemically investigated for the first time, leading to the isolation of 2 new sesquiterpenoids (1 and 2) and 10 known sesquiterpenoids (3-12). Their structures were determined by spectrometric and spectroscopic analyses, including nuclear magnetic resonance, high-resolution electrospray ionization mass spectrometry, and circular dichroism...
June 30, 2017: Journal of Agricultural and Food Chemistry
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