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https://www.readbyqxmd.com/read/29892178/prevalence-of-and-factors-associated-with-minimal-hepatic-encephalopathy-in-patients-with-cirrhosis-of-liver
#1
Abhijith Bale, C Ganesh Pai, Shiran Shetty, Girisha Balaraju, Anurag Shetty
Background/objectives: Minimal hepatic encephalopathy (MHE), though highly prevalent, is a frequently underdiagnosed complication of cirrhosis of the liver. Because lack of time is reported as the major reason for non-testing, identifying patients at high risk of MHE would help in targeting them for screening. We aimed to determine the factors associated with MHE to help identify patient subgroups with a higher risk of MHE for targeted screening. Methods: Patients with cirrhosis of liver presenting between April 2015 and November 2016 were included...
June 2018: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/29886924/influence-of-land-based-kaliningrad-primorsky-amber-mining-on-coastal-zone
#2
Alexander Krek, Marina Ulyanova, Svetlana Koschavets
In this paper, we report on the pollution in the coastal zone of the South-Eastern Baltic Sea (Russian coast). It was studied through a range of methods, including analyses potential water quality indicators (WQIs) and potentially harmful elements (PHEs). A contamination factor and modified degree of contamination were used for describing the contamination of the sediments by toxic substances. Special attention was paid to activity of the Kaliningrad Amber Combine (KAC), the biggest world amber mining company, located onshore close to the coastal zone (Kaliningrad Region)...
June 2018: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/29859216/phes-as-a-counter-selectable-marker-for-marker-free-genetic-manipulations-in-bacillus-anthracis
#3
Yan-Chun Wang, Li-Si Yuan, Hao-Xia Tao, Wei Jiang, Chun-Jie Liu
Several genetic tools have been developed for use in Bacillus anthracis, but there is still a need for a more marker-free gene inactivation protocols. Thus, we report a method to generate unmarked mutations in B. anthracis. This approach was based on the counter-selectable pheS* gene with assistance by the I-SceI homing endonuclease. Using this strategy, the NprR gene, a transcriptional activator of B. anthracis, was deleted at an extremely high efficiency. Our study indicates that mutated pheS is a useful counter-selective marker to design a valuable genetic tool for in-frame and unmarked gene deletions of B...
May 30, 2018: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29846883/aberrant-topological-organization-of-the-functional-brain-network-associated-with-prior-overt-hepatic-encephalopathy-in-cirrhotic-patients
#4
Hua-Jun Chen, Qiu-Feng Chen, Zhe-Ting Yang, Hai-Bin Shi
A higher risk of cognitive impairments has been found after an overt hepatic encephalopathy (OHE) episode in cirrhotic patients. We investigated the effect of prior OHE episodes on the topological organization of the functional brain network and its association with the relevant cognitive impairments. Resting-state functional MRI data were acquired from 41 cirrhotic patients (19 with prior OHE (Prior-OHE) and 22 without (Non-Prior-OHE)) and 21 healthy controls (HC). A Psychometric Hepatic Encephalopathy Score (PHES) assessed cognition...
May 30, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29785348/pollution-of-the-sediments-of-the-coastal-zone-of-the-sambia-peninsula-and-the-curonian-spit-southeastern-baltic-sea
#5
Alexander Krek, Viktor Krechik, Aleksandr Danchenkov, Elena Krek
The detailed environmental survey of the coastal zone of the Kaliningrad Region northern coast was carried out. The pollutants distribution in the silty clay fraction and calculation of ecological indexes allowed the evaluation of distribution of potentially harmful elements (PHEs). The sources of pollution in the most intensively used areas were identified, and transit and accumulation zones were allocated. A large area of anomalous content of PHEs was revealed on the underwater coastal slope of the Curonian Spit National Park, which is situated far from the sources of pollution...
2018: PeerJ
https://www.readbyqxmd.com/read/29660847/glu-571-of-phet-plays-a-pivotal-role-in-the-thermal-stability-of-escherichia-coli-phers-enzyme
#6
Sridar Ashwin Sri Bala, Irulappan Madhumathi, Sengottuvel Vinodha, M Hussain Munavar
As of date the two temperature sensitive mutations isolated in pheST operon include pheS5 (G293 →A293 ) and pheT354. Recently, we reported that G673 of pheS defines a hot spot for intragenic suppressors of pheS5. In this investigation, in 13 independent experiments, a collection of temperature sensitive mutants were isolated by localized mutagenesis. Complementation using clones bearing pheS+ , pheT+ , and pheS+ T+ indicated that 34 mutants could harbor lesion(s) in pheS and four could be in pheT and one mutant might be a double mutant...
June 2018: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29619504/genetic-diversity-analysis-of-leuconostoc-mesenteroides-from-korean-vegetables-and-food-products-by-multilocus-sequence-typing
#7
Anshul Sharma, Jasmine Kaur, Sulhee Lee, Young-Seo Park
In the present study, 35 Leuconostoc mesenteroides strains isolated from vegetables and food products from South Korea were studied by multilocus sequence typing (MLST) of seven housekeeping genes (atpA, groEL, gyrB, pheS, pyrG, rpoA, and uvrC). The fragment sizes of the seven amplified housekeeping genes ranged in length from 366 to 1414 bp. Sequence analysis indicated 27 different sequence types (STs) with 25 of them being represented by a single strain indicating high genetic diversity, whereas the remaining 2 were characterized by five strains each...
June 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29616891/carnobacterium-antarcticum-sp-nov-a-psychrotolerant-alkaliphilic-bacterium-isolated-from-sandy-soil-in-antarctica
#8
Sidong Zhu, Danqiu Lin, Shangling Xiong, Xing Wang, Zehao Xue, Bingxia Dong, Xudong Shen, Xiangdong Ma, Jigang Chen, Jifang Yang
A novel, alkaliphilic, psychrotolerant, facultative anaerobe, designated CP1T , was isolated from sandy soil near the Davis Station in Antarctica. The short-rod-shaped cells displayed Gram-positive staining and did not form spores. Strain CP1T was able to grow at temperatures between 4 and 36 °C, pH 6.0-9.5, and in the presence of up to 5.0 % (w/v) NaCl. 16S rRNA gene and multilocus (pheS, rpoA, and atpA) sequence analysis revealed Carnobacterium mobile DSM 4848T and Carnobacterium iners LMG 26642T as the closest relatives (97...
May 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29596960/improving-the-selection-efficiency-of-the-counter-selection-marker-phes-for-the-genetic-engineering-of-bacillus-amyloliquefaciens
#9
Maria S Kharchenko, Petr N Teslya, Maria N Babaeva, Natalia P Zakataeva
Bacillus subtilis pheS was genetically modified to obtain a counter-selection marker with high selection efficiency in Bacillus amyloliquefaciens. The application of the new replication-thermosensitive integrative vector pNZTM1, containing this marker, pheSBsT255S/A309G , with a two-step replacement recombination procedure provides an effective tool for the genetic engineering of industrially important Bacillus species.
May 2018: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29570728/at-hatch-administration-of-probiotic-to-chickens-can-introduce-beneficial-changes-in-gut-microbiota
#10
Stephen Baldwin, Robert J Hughes, Thi Thu Hao Van, Robert J Moore, Dragana Stanley
Recent advances in culture-free microbiological techniques bring new understanding of the role of intestinal microbiota in heath and performance. Intestinal microbial communities in chickens assume a near-stable state within the week which leaves a very small window for permanent microbiota remodelling. It is the first colonisers that determine the fate of microbial community in humans and birds alike, and after the microbiota has matured there are very small odds for permanent modification as stable community resists change...
2018: PloS One
https://www.readbyqxmd.com/read/29543150/lactobacillus-metriopterae-sp-nov-a-novel-lactic-acid-bacterium-isolated-from-the-gut-of-grasshopper-metrioptera-engelhardti
#11
Makoto Chiba, Takanori Itabashi, Koujiro Hirai, Mitsuo Sakamoto, Moriya Ohkuma, Taichiro Ishige, Shinji Kawasaki
A strain (Hime 5-1T ) of lactic acid bacterium was isolated from the gut of the grasshopper Metrioptera engelhardti from a mountainous area of Nagano Prefecture, Japan. Strain Hime 5-1T had a low 16S rRNA gene sequence similarity to known lactic acid bacteria, with the closest recognized relatives being Lactobacillus tucceti (96.7 %), Lactobacillus furfuricola (96.5 %), Lactobacillus versmoldensis (96.3 %) and Lactobacillus nodensis (96.1 %). Comparative analyses of the rpoA and pheS gene sequences indicated that Hime 5-1T is not closely related to other Lactobacillus species...
May 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29532380/potential-harmful-elements-in-coal-dust-and-human-health-risk-assessment-near-the-mining-areas-in-cherat-pakistan
#12
Muhammad Ishtiaq, Noor Jehan, Said Akbar Khan, Said Muhammad, Umar Saddique, Bushra Iftikhar, Zahidullah
This study was aimed to investigate the potential harmful element (PHE) concentrations in coal dust and evaluate the human risk assessment and health effects near coal mining areas. For this purpose, dust samples were collected near various coal mines in Cherat, Pakistan, and analyzed for the PHE concentrations. Determined PHE concentrations were evaluated for the health risk assessment. Results revealed that ingestion was the major pathway as compared to others for PHE exposure. Individual chronic daily intake (CDI) of PHEs was higher than their respective permissible exposure limits set for oral exposure routes by the Agency for Toxic Substances and Disease Registry (ATSDR)...
March 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29487732/isolation-and-identification-of-komagataeibacter-xylinus-from-iranian-traditional-vinegars-and-molecular-analyses
#13
Paria Sadat Lavasani, Elahe Motevaseli, Mahdieh Shirzad, Mohammad Hossein Modarressi
Background and Objectives: Acetic acid bacteria (AAB) are one of the major interests of researchers. Traditional vinegars are suitable sources of AAB because they are not undergone industrial process like filtering and adding preservatives. Komagataeibacter xylinus as a member of AAB is known as the main cellulose producer among other bacteria. The purpose of the current study was to isolate the bacteria from traditional vinegars and its molecular analyses. Materials and Methods: Vinegar samples were collected...
December 2017: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/29477918/tracing-source-distribution-and-health-risk-of-potentially-harmful-elements-phes-in-street-dust-of-durgapur-india
#14
Manash Gope, Reginald Ebhin Masto, Joshy George, Srinivasan Balachandran
Street dust samples from Durgapur, the steel city of eastern India, were collected from five different land use patterns, i.e., national highways, urban residential area, sensitive area, industrial area and busy traffic zone during summer, monsoon, and winter to analyze the pollution characteristics, chemical fractionation, source apportionment and health risk of heavy metals (HMs). The samples were fractionated into ≤ 53 µm and analyzed for potentially harmful elements (PHEs) viz. Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn...
June 15, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29458462/lactobacillus-panisapium-sp-nov-from-honeybee-apis-cerana-bee-bread
#15
Cong Wang, Yan Huang, Li Li, Jun Guo, Zhengyun Wu, Yu Deng, Lirong Dai, Shichun Ma
A novel facultatively anaerobic, Gram-stain-positive, non-motile, non-spore-forming, catalase-negative bacterium of the genus Lactobacillus, designated strain Bb 2-3T , was isolated from bee bread of Apis cerana collected from a hive in Kunming, China. The strain was regular rod-shaped. Optimal growth occurred at 37 °C, pH 6.5 with 5.0 g l-1 NaCl. The predominant fatty acids were C18 : 1ω9c, C16 : 0 and C19 : 0 iso. Respiratory quinones were not detected. Seven glycolipids, three lipids, phosphatidylglycerol and diphosphatidylglycerol were detected...
March 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29456028/polyphasic-characterization-of-a-novel-species-in-the-lactobacillus-casei-group-from-cow-manure-of-taiwan-description-of-l-chiayiensis-sp-nov
#16
Chien-Hsun Huang, Jong-Shian Liou, Ai-Yun Lee, Min Tseng, Mika Miyashita, Lina Huang, Koichi Watanabe
Two Gram-stain-positive, rod-shaped, non-motile, catalase-negative and facultative anaerobic strains, NCYUAST and BCRC 18859 (=NRIC 1947), were isolated from cow manure of Taiwan and coconut juice of Philippines, respectively. Comparative sequence analysis of 16S rRNA gene revealed that the novel strains were members of the genus Lactobacillus. These two strains had 100% of 16S rRNA gene sequence similarity and 98.6% of average nucleotide identity (ANI) value based on whole genome sequences. On the basis of 16S rRNA gene sequence similarity, the type strains of Lactobacillus casei (99...
February 7, 2018: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/29406432/pseudomyogenic-hemangioendothelioma-case-report-and-review-of-the-literature
#17
Emily Raftopoulos, Michael Royer, Mildred Warren, Jin Zhao, Walter Rush
Pseudomyogenic hemangioendothelioma (PHE; epithelioid sarcoma-like hemangioendothelioma) is a rare entity, with 129 reported cases. It is a rarely metastasizing, low-grade vascular tumor that can histologically mimic epithelioid sarcoma and often presents as multiple discontinuous nodules in the extremities. PHEs characteristically and consistently show immunoreactivity for cytokeratins and endothelial markers. We present a case in the thigh of a 65-year-old-man with a 3-month history of painful lesions in the dermis and review the published literature...
February 2, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29313245/effect-of-post-traumatic-stress-disorder-on-cognitive-function-and-covert-hepatic-encephalopathy-diagnosis-in-cirrhotic-veterans
#18
Thomas K Burroughs, James B Wade, Michael S Ellwood, Andrew Fagan, Douglas M Heuman, Michael Fuchs, Jasmohan S Bajaj
BACKGROUND: In veterans, post-traumatic stress disorder (PTSD) is often associated with substance abuse, which in turn can lead to cirrhosis. Cirrhotic patients are prone to cognitive impairment, which is typically due to covert hepatic encephalopathy (CHE), but can also be affected by PTSD. The aim was to define the impact of PTSD on cognitive performance and the diagnosis of CHE in cirrhotic patients. METHODS: Outpatient veterans with cirrhosis underwent two separate modalities for CHE cognitive testing [Psychometric Hepatic Encephalopathy Scale (PHES) and Inhibitory Control Test (ICT)]...
February 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29104110/pseudomyogenic-hemangioendothelioma-of-skin-bone-and-soft-tissue-a-clinicopathological-immunohistochemical-and-fluorescence-in-situ-hybridization-study
#19
Dinesh Pradhan, Karen Schoedel, Richard L McGough, Sarangarajan Ranganathan, Uma N M Rao
Pseudomyogenic hemangioendothelioma (PHE) is an uncommon neoplasm with propensity for local recurrence. The tumor mimics epithelioid hemangioendothelioma and epithelioid sarcoma, representing a possible diagnostic pitfall. We investigated the clinicopathological, immunohistochemical, and fluorescence in situ hybridization features of PHEs. Eight cases of PHE were retrieved from our pathology archives. The clinical and outcome information was available in 6 patients. In 6 cases, the tumors were located in the lower limb, whereas the upper limb was involved in 2 cases...
January 2018: Human Pathology
https://www.readbyqxmd.com/read/29072561/enterococcus-wangshanyuanii-sp-nov-isolated-from-faeces-of-yaks-bos-grunniens
#20
Dong Jin, Jing Yang, Shan Lu, Xin-He Lai, YanWen Xiong, Jianguo Xu
The taxonomic position of four phenotypically closely related strains isolated from faecal samples of yaks (Bos grunniens) collected from the Qinghai-Tibetan plateau, China, was determined by a polyphasic approach. The strains were non-spore-forming, non-motile Gram-stain-positive, ovoid cocci, occurring predominantly in pairs and short chains or in irregular clusters. The 16S rRNA gene of strain MN05T was related phylogenetically to those of Enterococcushaemoperoxidus, Enterococcusrotai, Enterococcusquebecensis, Enterococcusplantarum, Enterococcuscrotali, Enterococcusmoraviensis, Enterococcussilesiacus, Enterococcuscaccae, Enterococcustermitis, Enterococcusureasiticus and Enterococcusureilyticus, all belonging to the Enterococcusfaecalis species group...
December 2017: International Journal of Systematic and Evolutionary Microbiology
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