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Future Microbiology

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https://www.readbyqxmd.com/read/28492351/mest-a-unique-epoxide-hydrolase-is-essential-for-optimal-growth-of-mycobacterium-tuberculosis-in-the-presence-of-styrene-oxide
#1
Manisha Chownk, Aashish Sharma, Kashmir Singh, Jagdeep Kaur
AIM: mesT of Mycobacterium tuberculosis, a hypothetical/putative epoxide hydrolase, is predicted to convert toxic epoxides to the more water-soluble and less toxic diols. Detailed characterization of the protein was carried out. RESULTS: mesT demonstrated esterase as well as epoxide hydrolase activity. It was membrane bound and was upregulated under hypoxic conditions. The enzyme was able to degrade styrene oxide. The presence of antisense against this gene resulted in the inhibition of in vitro bacterial growth/survival in the presence of styrene oxide...
May 11, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28492340/alterations-of-zinc-homeostasis-in-response-to-cryptococcus-neoformans-in-a-murine-macrophage-cell-line
#2
Francine Melise Dos Santos, Alícia Corbellini Piffer, Rafael de Oliveira Schneider, Nicole Sartori Ribeiro, Ane Wichine Acosta Garcia, Augusto Schrank, Lívia Kmetzsch, Marilene Henning Vainstein, Charley Christian Staats
AIM: To evaluate alterations of zinc homeostasis in macrophages exposed to Cryptococcus neoformans. Materials & methods: Using a fluorescent zinc probe-based flow cytometry and atomic absorption spectrometry, zinc levels were evaluated in J774.A1 cell lines exposed to C. neoformans H99 cells. The transcription profile of macrophage zinc related homeostasis genes - metallothioneins and zinc transporters (ZnTs) of the SLC30 and SLC39 (Zrt-Irt-protein) families - was analyzed by quantitative PCR...
May 11, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28481158/predatory-bacteria-a-new-therapeutic-approach-for-a-post-antibiotic-era
#3
Kenneth Shatzkes, Nancy D Connell, Daniel E Kadouri
No abstract text is available yet for this article.
May 8, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28481142/daptomycin-new-insights-into-an-antibiotic-of-last-resort
#4
Vera Pader, Andrew M Edwards
No abstract text is available yet for this article.
May 8, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28481123/mycobacterium-tuberculosis-what-is-the-role-of-ppe2-during-infection
#5
Sangita Mukhopadhyay, Sudip Ghosh
No abstract text is available yet for this article.
May 8, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28481120/molecular-epidemiology-of-wu-polyomavirus-in-hospitalized-children-with-acute-respiratory-tract-infection-in-china
#6
Teng Zhu, Qing-Bin Lu, Shu-Yan Zhang, Ying Wo, Lu Zhuang, Pan-He Zhang, Xiao-Ai Zhang, Wei Wei, Wei Liu
AIM: To explore the molecular epidemiology and clinical characteristics of Washington University polyomavirus (WUPyV) infection in pediatric patients with acute respiratory tract infections in China. MATERIALS & METHODS: A laboratory surveillance was performed to recruit pediatric patients with acute respiratory tract infections. WUPyV was detected using real-time PCR and complete genome was sequenced for randomly selected positive nasopharyngeal aspirate. RESULTS: Altogether 122 (7...
May 8, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28481119/interleukin-37-a-new-molecular-target-for-host-directed-therapy-of-tuberculosis
#7
Haipeng Liu, Baoxue Ge
No abstract text is available yet for this article.
May 8, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28443341/erratum
#8
(no author information available yet)
No abstract text is available yet for this article.
April 26, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28434234/phages-and-immunomodulation
#9
Andrzej Górski, Krystyna Dąbrowska, Ryszard Międzybrodzki, Beata Weber-Dąbrowska, Marzanna Łusiak-Szelachowska, Ewa Jończyk-Matysiak, Jan Borysowski
In the past years, the microbiome and its role in the pathophysiology of diseases have gained great interest. The progress of our knowledge in this field opens completely novel prospects for treating disorders, including those which are most challenging to medicine today. Of special interest are studies on the interactions of the microbiome with the immune system. Only recently has the presence of bacteriophages in the microbiome been highlighted, and their potential role in maintaining normal immunity has gained increasing attention...
April 24, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28391724/usp19-suppresses-cellular-type-i-interferon-signaling-by-targeting-traf3-for-deubiquitination
#10
Zhiwen Gu, Weifeng Shi, Li Zhang, Zhilin Hu, Chao Xu
AIM: To investigate host factors that mediate the immune escape of enterovirus 71 (EV71) in the context of deubiquitinating enzymes. MATERIALS & METHODS: Utilize PCR array to screen candidate genes that may be involved in EV71-induced cellular antiviral immune responses, and utilize protein mass spectrometry analysis to identify the functional targets of the candidate regulator. RESULTS: EV71 infection induces the upregulation of ubiquitin-specific protease 19 (USP19) gene expression, which negatively regulates cellular antiviral type I interferon signaling...
April 10, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28361554/molecular-antibiogram-in-diagnostic-clinical-microbiology-advantages-and-challenges
#11
Fabio Arena, Tommaso Giani, Simona Pollini, Bruno Viaggi, Patrizia Pecile, Gian Maria Rossolini
No abstract text is available yet for this article.
March 31, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28345957/xyloglucan-hibiscus-and-propolis-for-the-prevention-of-urinary-tract-infections-results-of-in-vitro-studies
#12
Benito Fraile, Javier Alcover, Mar Royuela, David Rodríguez, Concepción Chaves, Ricardo Palacios, Núria Piqué
AIM: To assess the properties of a medical device containing xyloglucan, propolis and hibiscus to create a bioprotective barrier to avoid the contact of uropathogenic Escherichia coli strains on cell walls in models of intestinal (CacoGoblet) and uroepithelial (RWPE-1) cells (derived from normal human prostate epithelium). MATERIALS & METHODS: Two uropathogenic E. coli strains (expressing type 1 fimbriae and P fimbriae) were used to assess, by electronic microscopy and ELISA, the barrier properties of the medical device...
March 27, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28343421/in-vitro-and-in-vivo-fitness-costs-associated-with-mycobacterium-tuberculosis-rpob-mutation-h526d
#13
Dalin Rifat, Victoria L Campodónico, Jing Tao, James A Miller, Alpaslan Alp, Yufeng Yao, Petros C Karakousis
AIM: There is controversy regarding the potential fitness costs of rifampicin (RIF) resistance-conferring mutations in the Mycobacterium tuberculosis (Mtb) rpoB gene. We characterized the pathogenicity of an Mtb RpoB H526D mutant. MATERIALS & METHODS: A mutant containing the RpoB H526D mutation was isolated from wild-type Mtb grown on RIF-containing plates and complemented for determination of in vitro and in vivo fitness costs. RESULTS: The RpoB H526D mutant showed reduced survival relative to control strains during progressive hypoxia and delayed growth following resuscitation from nutrient starvation (p < 0...
March 27, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28339290/preventing-the-spread-of-infectious-diseases-antivirulents-versus-antibiotics
#14
Menachem Shoham, Michael Greenberg
No abstract text is available yet for this article.
March 24, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28338347/ceftazidime-avibactam-novel-antimicrobial-combination-for-the-treatment-of-complicated-urinary-tract-infections
#15
Jakhongir F Alidjanov, Moritz Fritzenwanker, Ivan Hoffman, Florian M Wagenlehner
Ceftazidime-avibactam is a combination of a third-generation cephalosporin and a novel non-beta-lactam beta-lactamase inhibitor. This combination was recently recommended for the treatment of complicated urinary tract infections, including acute pyelonephritis, in adults with limited or no alternative treatment options. The current review is aimed to determine activity, efficacy and safety of ceftazidime-avibactam in the treatment of patients with complicated urinary tract infections.
March 24, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28326813/breakthrough-candidemia-in-children-clinical-and-microbiological-characteristics-therapeutic-strategies-and-impact-on-outcomes
#16
Mei-Yin Lai, Jen-Fu Hsu, Shih-Ming Chu, I-Hsyuan Wu, Hsuan-Rong Huang, Chun-Chih Lin, I-Ta Lee, Ming-Chou Chiang, Ren-Huei Fu, Ming-Horng Tsai
AIM: To assess the characteristics, treatments, risk factors and outcomes of breakthrough candidemia in children. MATERIALS & METHODS: Episodes of breakthrough candidemia in children were compared with the remaining episodes in a 13-year cohort study. RESULTS: Out of 319 episodes, 45 (14.1%) were breakthrough candidemia. Breakthrough candidemia occurred in patients with more acutely ill conditions, and the majority was caused by non-albicans Candida species (73...
March 13, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28326810/corrigendum
#17
(no author information available yet)
No abstract text is available yet for this article.
March 9, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28326812/evaluation-of-reticulated-gelatin-hibiscus-propolis-against-intestinal-commensal-species-commonly-associated-with-urinary-tract-infections
#18
Maïwenn Olier, Soraya Sekkal, Cherryl Harkat, Hélène Eutamene, Vassilia Theodorou
AIM: Reticulated gelatin (RG), hibiscus and propolis (RGHP) is a medical device that can reduce the bacterial adherence to epithelial cultured cells and invasion by enteropathogens, thus gathering relevant properties to decrease the risk of urinary tract infections (UTIs). We aimed at evaluating in Wistar rats the efficacy of RGHP, RG and vehicle against intestinal commensals commonly involved in UTIs. METHODS: Animals received orally (with supplemental Na2CO3): RGHP 1540 mg/day/rat; RG 500 mg/day/rat or vehicle...
March 3, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28361556/fungicide-xylaria-sp-bcc-1067-extract-induces-reactive-oxygen-species-and-activates-multidrug-resistance-system-in-saccharomyces-cerevisiae
#19
Pichayada Somboon, Attaporn Poonsawad, Songsak Wattanachaisaereekul, Laran T Jensen, Masakazu Niimi, Supapon Cheevadhanarak, Nitnipa Soontorngun
AIM: To investigate antifungal potential of Xylaria sp. BIOTEC culture collection (BCC) 1067 extract against the model yeast Saccharomyces cerevisiae. MATERIALS & METHODS: Antifungal property of extract, reactive oxygen species levels and cell survival were determined, using selected deletion strains. RESULTS: Extract showed promising antifungal effect with minimal inhibitory concentration100 and minimal fungicidal concentration of 500 and 1000 mg/l, respectively...
April 2017: Future Microbiology
https://www.readbyqxmd.com/read/28339296/synthetic-parasites-a-successful-mucosal-nanoparticle-vaccine-against-toxoplasma-congenital-infection-in-mice
#20
Céline Ducournau, Thi Tl Nguyen, Rodolphe Carpentier, Isabelle Lantier, Stéphanie Germon, Flavien Précausta, Pierre-Jean Pisella, Hervé Leroux, Nathalie Van Langendonck, Didier Betbeder, Isabelle Dimier-Poisson
AIM: Development of protein vaccine to prevent congenital infection is a major public health priority. Our goal is the design of mucosal synthetic pathogen inducing protective immune responses against congenital toxoplasmosis. MATERIALS & METHODS: Mice were immunized intranasally, establishing pregnancy and challenging orally. Placental immune response, congenital infection, pup growth, parasitic load rates were studied. RESULTS: Pups born to vaccinated infected dams had significantly fewer brain cysts, no intraocular inflammation and normal growth...
April 2017: Future Microbiology
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