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https://www.readbyqxmd.com/read/28647986/-studies-on-the-serum-types-and-identification-efficiency-on-diarrheagenic-escherichia-coli-isolated-from-diarrhea-patients-in-zhejiang-province
#1
F Yu, R N Wang, X Chen, S F Zheng, Y Y Wang, Y Chen
Objective: To investigate the serotypes of Diarrheagenic Escherichia coli (DEC) isolated from diarrheal patients in Zhejiang province and to explore the identification efficiency of serological screening methods. Methods: Serological agglutination tests were carried out in 696 strains of DEC (through the identification of virulence genes) which were selected from the Infectious Diarrhea Pathogen Monitoring Network Strain Bank of Zhejiang province, from July 2009 to June 2013. Results of virulence genes, serological identification and classification were compared...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28647898/respiratory-diphtheriae-due-to-corynebacterium-ulcerans-transmitted-by-a-companion-dog-italy-2014
#2
Monica Monaco, Anna Rita Sacchi, Marzia Scotti, Fabiola Mancini, Carlo Riccio, Giulia Errico, Giovanna Ratti, Filippo Bondi, Alessandra Ciervo, Annalisa Pantosti
A serious respiratory tract infection due to Corynebacterium ulcerans was observed in a 70-year-old woman. Clinical presentation included pseudomembranes in the upper respiratory tract and lung involvement. C. ulcerans was recovered from the nose of the patient's dog. Both dog's and patient's isolates belonged to Sequence Type 331.
June 24, 2017: Infection
https://www.readbyqxmd.com/read/28647884/fluoxetine-induces-apoptosis-through-endoplasmic-reticulum-stress-via-mitogen-activated-protein-kinase-activation-and-histone-hyperacetylation-in-sk-n-be-2-m17-human-neuroblastoma-cells
#3
Ji Hyun Choi, Yeon Ju Jeong, Ah-Ran Yu, Kyung-Sik Yoon, Wonchae Choe, Joohun Ha, Sung Soo Kim, Eui-Ju Yeo, Insug Kang
Fluoxetine (FLX) is an antidepressant drug that belongs to the class of selective serotonin reuptake inhibitors. FLX is known to induce apoptosis in multiple types of cancer cells. In this study, the molecular mechanisms underlying the anti-cancer effects of FLX were investigated in SK-N-BE(2)-M17 human neuroblastoma cells. FLX induced apoptotic cell death, activation of caspase-4, -9, and -3, and expression of endoplasmic reticulum (ER) stress-associated proteins, including C/EBP homologous protein (CHOP)...
June 24, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28647593/features-of-emotional-and-social-behavioral-phenotypes-of-calsyntenin2-knockout-mice
#4
S V Ranneva, K S Pavlov, A V Gromova, T G Amstislavskaya, T V Lipina
Calsyntenin-2 (Clstn2) is the synaptic protein that belongs to the super family of cadherins, playing an important role in learning and memory. We recently reported that Clstn2 knockout mice (Clstn2-KO) have a deficit of GABAergic interneurons coupled with hyperactivity and deficient spatial memory. Given, that impaired functioning of GABA receptors is linked to several psychopathologies, including anxiety and autism, we sought to further characterize Clstn2-KO mice with respect to emotional and social behavior...
June 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28647531/a-rapid-mass-spectrometric-method-for-the-measurement-of-catalytic-activity-of-ten-eleven-translocation-enzymes
#5
Babu Sudhamalla, Debasis Dey, Megan Breski, Kabirul Islam
Enzymatic methylation at carbon five on cytosine (5mC) in DNA is a hallmark of mammalian epigenetic programming and is critical to gene regulation during early embryonic development. It has recently been shown that dynamic erasure of 5mC by three members of the ten-eleven translocation (TET) family plays a key role in cellular differentiation. TET enzymes belong to Fe (II)- and 2-ketoglutarate (2KG) dependent dioxygenases that successively oxidize 5mC to 5-hydroxymethyl cytosine (5hmC), 5-formylcytosine (5fC) and 5-carboxycytosine (5CaC), thus providing a chemical basis for the removal of 5mC which once was thought to be a permanent mark in mammalian genome...
June 21, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28647525/catalytic-hydrolysis-of-starch-for-biohydrogen-production-by-using-a-newly-identified-amylase-from-a-marine-bacterium-catenovulum-sp-x3
#6
Yi-Rui Wu, Aihua Mao, Chongran Sun, Sabarathinam Shanmugam, Jin Li, Mingqi Zhong, Zhong Hu
An identified cold-adaptive, organic solvents-tolerant alkaline α-amylase (HP664) from Catenovulum sp. strain X3 was heterologously expressed and characterized in E. coli, and it was further applied to starch saccharification for biohydrogen production. The recombinant HP664 belongs to a member of glycoside hydrolase family 13 (GH13), with a molecular weight of 69.6kDa without signal peptides, and also shares a relatively low similarity (49%) to other reported amylases. Biochemical characterization demonstrated that the maximal enzymatic activity of HP664 was observed at 35°C and pH 9...
June 21, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28647192/genetic-diversity-and-phylogenetic-analysis-of-eg95-sequences-of-echinococcus-granulosus-implications-for-eg95-vaccine-application
#7
Wei Pan, De-Sheng Chen, Yun-Juan Lu, Hui-Wen Xu, Wen-Ting Hao, Ya-Wen Zhang, Su-Ping Qin, Kui-Yang Zheng, Ren-Xian Tang
OBJECTIVE: To analyse the genetic variability of EG95 sequences and provide guidance for EG95 vaccine application against Echinococcus granulosus (E. granulosus). METHODS: We analysed EG95 polymorphism by collecting total 97 different E. granulosus isolates from 12 different host species that originated from 10 different countries. Multiple sequence alignments and the homology were performed by Lasergene 1 (DNASTAR Inc., Madison, WI), and the phylogenetic analysis was performed by using MEGA5...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28647122/effect-of-succinate-on-phosphate-solubilization-in-nitrogen-fixing-bacteria-harbouring-chick-pea-and-their-effect-on-plant-growth
#8
Bhagya Iyer, Mahendrapal Singh Rajput, Shalini Rajkumar
Diverse nitrogen fixing bacteria harbouring chick pea rhizosphere and root nodules were tested for multiple plant growth promoting traits like tricalcium phosphate (TCP) and rock phosphate (RP) solubilization, production of ammonia, indole 3-acetic acid, chitinase, phytase and alkaline phosphatase. Isolates belonged to diverse genus like Enterobacter, Acinetobacter, Erwinia, Pseudomonas, Rhizobium, Sinorhizobium, Ensifer, Klebsiella, etc. Most isolates solubilized TCP and RP along with the lowering of media pH, indicating acidification to be the chief mechanism behind this solubilization...
September 2017: Microbiological Research
https://www.readbyqxmd.com/read/28646916/prc1-contributes-to-tumorigenesis-of-lung-adenocarcinoma-in-association-with-the-wnt-%C3%AE-catenin-signaling-pathway
#9
Ping Zhan, Bin Zhang, Guang-Min Xi, Ying Wu, Hong-Bing Liu, Ya-Fang Liu, Wu-Jian Xu, Qing-Qing Zhu, Feng Cai, Ze-Jun Zhou, Ying-Ying Miu, Xiao-Xia Wang, Jia-Jia Jin, Qian Li, Li-Ping Qian, Tang-Feng Lv, Yong Song
BACKGROUND: Protein regulator of cytokinesis-1 (PRC1) belongs to the microtubule-associated proteins (MAPs) family, and is involved in cytokinesis. Recent investigations suggest PRC1 involvement in human carcinogenesis, including breast carcinoma, hepatocellular carcinoma and etc. However, whether PRC1 contributes to lung adenocarcinoma tumorigenesis remains unknown. METHODS: Quantitative reverse-transcription polymerase chain reaction (qRT-PCR), Western blotting and Immunohistochemical staining (IHC) were used to evaluate and contrast the PRC1 expression profile in lung adenocarcinoma and adjacent normal lung tissues...
June 24, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28646907/dimensions-of-social-capital-of-families-with-thalassemia-in-an-indigenous-population-in-tamil-nadu-india-a-qualitative-study
#10
Bharathi Palanisamy, Kalpana Kosalram, Vijayaprasad Gopichandran
BACKGROUND: Studies have shown that social capital is positively associated with health, and the association is context-based. Indigenous populations with poor access to health care largely depend on social capital for their health care needs. This study was conducted to explore the dimensions and types of social capital and its utilization by families with thalassemia for their health and well-being in an indigenous population in Tamil Nadu, India. METHODS: The participants in the study were parents who had children with thalassemia, belonged to an indigenous community in Tamil Nadu, were poor and marginalized, and had poor access to health care...
June 24, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28646859/comparison-of-different-nat-assays-for-the-detection-of-microorganisms-belonging-to-the-class-mollicutes
#11
O Vega-Orellana, J B Poveda, R S Rosales, J M Bradbury, C G Poveda, L E Mederos-Iriarte, M M Tavío, A S Ramírez
BACKGROUND: Mollicutes detection can be cumbersome due to their slow growth in vitro. For this reason, the use of DNA based on generic molecular tests represents an alternative for rapid, sensitive and specific detection of these microorganism. For this reason, six previously described nucleic acid testing assays were compared to evaluate their ability to detect microorganisms belonging to the class Mollicutes. METHODS: A panel of 61 mollicutes, including representatives from the Mycoplasma, Acholeplasma, Mesoplasma, Spiroplasma and Ureaplasma genus, were selected to evaluate the sensitivity and specificity of these assays...
June 24, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28646846/molecular-epidemiology-of-human-respiratory-syncytial-virus-in-iranian-%C3%A2-60-years-old-hospitalized-patients-with-acute-respiratory-symptoms
#12
Yaser Arjeyni, Ebrahim Faghihloo, Katayoun Samimi Rad, Vahid Salimi, Mahmood Mahmoudi, Talat Mokhtari-Azad
BACKGROUND: Human respiratory syncytial virus (HRSV) is an important cause of acute respiratory infection (ARI) and mortality in ≥60 years old population around the world. The aim of this study was to determine the frequency and circulating genotypes of HRSV in Iranian patients ≥ 60 years old. METHODS: In this cross-sectional molecular epidemiology study, we examined the C-terminal located hypervariable domain of G glycoprotein of HRSV in throat swabs from Tehran, Hormozgan, Boushehr, West Azarbayjan, Ghom and Alborz provinces of Iran which were addressed to national influenza center between October 2013 and March 2015...
June 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28646792/bacterial-profile-in-human-atherosclerotic-plaques
#13
Annika Lindskog Jonsson, Frida Fåk Hållenius, Rozita Akrami, Elias Johansson, Per Wester, Conny Arnerlöv, Fredrik Bäckhed, Göran Bergström
BACKGROUND AND AIMS: Several studies have confirmed the presence of bacterial DNA in atherosclerotic plaques, but its contribution to plaque stability and vulnerability is unclear. In this study, we investigated whether the bacterial plaque-profile differed between patients that were asymptomatic or symptomatic and whether there were local differences in the microbial composition within the plaque. METHODS: Plaques were removed by endarterectomy from asymptomatic and symptomatic patients and divided into three different regions known to show different histological vulnerability: A, upstream of the maximum stenosis; B, site for maximum stenosis; C, downstream of the maximum stenosis...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28646746/variable-spontaneous-mutation-rate-in-clinical-strains-of-multidrug-resistant-acinetobacter-baumannii-and-differentially-expressed-proteins-in-a-hypermutator-strain
#14
Morteza Karami-Zarandi, Masoumeh Douraghi, Behrouz Vaziri, Habibeh Adibhesami, Mohammad Rahbar, Mehdi Yaseri
BACKGROUND: The emergence of multidrug resistant Acinetobacter baumannii within hospitals poses a significant threat to patients. The inherent rate of mutation of these strains has not been described nor has the mechanism by which drug resistance arises. METHODS: Here, we determined the spontaneous mutation rates in 93 clinical strains of A. baumannii using fluctuation analysis. To rule out the clonal relatedness of hypermutator strains, pulsed-field gel electrophoresis (PFGE) was conducted...
June 8, 2017: Mutation Research
https://www.readbyqxmd.com/read/28646669/validation-of-a-commercial-kit-aimed-to-the-detection-of-pathogenic-anisakid-nematodes-in-fish-products
#15
Serena Cavallero, Alessandro Bruno, Enrico Arletti, Monica Caffara, Maria Letizia Fioravanti, Antonella Costa, Gaetano Cammilleri, Stefania Graci, Vincenzo Ferrantelli, Stefano D'Amelio
Anisakids are parasitic nematodes responsible for a zoonosis that occurs following the ingestion of fish and fish products infected with larvae belonging to the genera Anisakis and Pseudoterranova. Rarely Contracaecum is found in association with gastric/intestinal illness, while Hysterothylacium is commonly considered not pathogenic. Although Real Time PCR assays have been recently used with the aim to detect and quantify these parasites in food products, methods applied did not undergo through extensive validation process, a feature highly desirable or mandatory in the case of testing laboratories accredited for the ISO EN 17025:2005...
June 15, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28646525/preliminary-characterization-of-putative-structural-cuticular-proteins-in-the-malaria-vector-anopheles-sinensis
#16
Dan Zhou, Baiyun Duan, Yan Sun, Lei Ma, Changliang Zhu, Bo Shen
BACKGROUND: The insect cuticle protects against environmental stresses such as insecticides, physical injury, dehydration and pathogenic microorganisms. Structural cuticular proteins (CPs) are the primary components, and are of interest for physiology-based pest management methods. Anopheles sinensis CPs are poorly characterised at present, therefore we performed whole genome sequence analysis and re-analysed available transcriptome data to identify potential insecticide resistance-associated CPs...
June 23, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28646496/unmet-belongingness-needs-but-not-high-belongingness-needs-alone-predict-adverse-well-being-a-response-surface-modeling-approach
#17
Maaike Verhagen, Gerine M A Lodder, Roy F Baumeister
OBJECTIVE: Previous work has linked high levels of belongingness needs to low well-being, suggesting that high desire for social connection causes problems. Against that view, we hypothesized that problems stem especially from unmet belongingness needs. To examine this, discrepancies between belongingness needs and relationship satisfaction were measured. METHOD: 1,342 adolescents (Mage = 13.94 years, 48.6% boys) completed questionnaires about belongingness needs, relationship satisfaction, loneliness, depressive symptoms and self-esteem...
June 23, 2017: Journal of Personality
https://www.readbyqxmd.com/read/28646425/hydroxylamine-induced-oxidation-of-ferrous-carbonylated-truncated-hemoglobins-from-mycobacterium-tuberculosis-and-campylobacter-jejuni-is-limited-by-carbon-monoxide-dissociation
#18
Paolo Ascenzi, Chiara Ciaccio, Tecla Gasperi, Alessandra Pesce, Lucia Caporaso, Massimo Coletta
Hydroxylamine (HA) is an oxidant of ferrous globins and its action has been reported to be inhibited by CO, even though this mechanism has not been clarified. Here, kinetics of the HA-mediated oxidation of ferrous carbonylated Mycobacterium tuberculosis truncated hemoglobin N and O (Mt-trHbN(II)-CO and Mt-trHbO(II)-CO, respectively) and Campylobacter jejuni truncated hemoglobin P (Cj-trHbP(II)-CO), at pH 7.2 and 20.0 °C, are reported. Mixing Mt-trHbN(II)-CO, Mt-trHbO(II)-CO, and Cj-trHbP(II)-CO solution with the HA solution brings about absorption spectral changes reflecting the disappearance of the ferrous carbonylated derivatives with the concomitant formation of the ferric species...
June 23, 2017: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/28646301/random-initialisation-of-the-spectral-variables-an-alternate-approach-for-initiating-multivariate-curve-resolution-alternating-least-square-mcr-als-analysis
#19
Keshav Kumar
Multivariate curve resolution alternating least square (MCR-ALS) analysis is the most commonly used curve resolution technique. The MCR-ALS model is fitted using the alternate least square (ALS) algorithm that needs initialisation of either contribution profiles or spectral profiles of each of the factor. The contribution profiles can be initialised using the evolve factor analysis; however, in principle, this approach requires that data must belong to the sequential process. The initialisation of the spectral profiles are usually carried out using the pure variable approach such as SIMPLISMA algorithm, this approach demands that each factor must have the pure variables in the data sets...
June 23, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28646223/regular-exercise-participation-improves-genomic-stability-in-diabetic-patients-an-exploratory-study-to-analyse-telomere-length-and-dna-damage
#20
Ivan Dimauro, Antonella Sgura, Monica Pittaluga, Fiorenza Magi, Cristina Fantini, Rosa Mancinelli, Antonio Sgadari, Stefania Fulle, Daniela Caporossi
Physical activity has been demonstrated to be effective in the prevention and treatment of different chronic conditions, including type 2 diabetes (T2D). In particular, several studies highlighted how the beneficial effects of physical activity may be related to the stability of the DNA molecule, such as longer telomeric ends. Here we analyze the effect of exercise training on telomere length, spontaneous and H2O2-induced DNA damage, as well as the apoptosis level in leukocytes from untrained or trained T2D patients vs...
June 23, 2017: Scientific Reports
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