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https://www.readbyqxmd.com/read/29777151/integrated-proteomics-genomics-metabolomics-approaches-reveal-oxalic-acid-as-pathogenicity-factor-in-tilletia-indica-inciting-karnal-bunt-disease-of-wheat
#1
Vishakha Pandey, Manoj Singh, Dinesh Pandey, Anil Kumar
Tilletia indica incites Karnal bunt (KB) disease in wheat. To date, no KB resistant wheat cultivar could be developed due to non-availability of potential biomarkers related to pathogenicity/virulence for screening of resistant wheat genotypes. The present study was carried out to compare the proteomes of T. indica highly (TiK) and low (TiP) virulent isolates. Twenty one protein spots consistently observed as up-regulated/differential in the TiK proteome were selected for identification by MALDI-TOF/TOF. Identified sequences showed homology with fungal proteins playing essential role in plant infection and pathogen survival, including stress response, adhesion, fungal penetration, invasion, colonization, degradation of host cell wall, signal transduction pathway...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776599/an-unexpected-finding-of-cat-scratch-colon-in-a-screening-colonoscopy
#2
Natalia Mora Cuadrado, Noelia Alcaide Suárez, Beatriz Antolín Melero, Beatriz Burgueño Gómez, Miguel Durà Gil, Luis Ignacio Fernández Salazar, José Manuel González Hernández
No abstract text is available yet for this article.
May 15, 2018: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/29774357/peyer-s-patch-specific-lactobacillus-reuteri-strains-increase-extracellular-microbial-dna-and-antimicrobial-peptide-expression-in-the-mouse-small-intestine
#3
Ce Qi, Jin Sun, Ya Li, Min Gu, Tim Goulette, Xiaomeng You, David A Sela, Xingguo Wang, Hang Xiao
Specific Lactobacillus reuteri is autochthonous Lactobacillus species in humans with potential application in food production as a probiotic. The difference in colonizing Peyer's patches (PP) might decide their health-promoting properties. We aimed to investigate the difference between PP- and lumen-specific L. reuteri on antimicrobial peptide expression in this study. L. reuteri strains were isolated from PP and the lumen of C57BL/6J mice, which were used to treat mice. PP-specific L. reuteri cells stimulate RegIIIγ mRNA expression of the crypt epithelial sample...
May 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29774046/identification-of-rice-genes-associated-with-enhanced-cold-tolerance-by-comparative-transcriptome-analysis-with-two-transgenic-rice-plants-overexpressing-dacbf4-or-dacbf7-isolated-from-antarctic-flowering-plant-deschampsia-antarctica
#4
Mi Young Byun, Li Hua Cui, Jungeun Lee, Hyun Park, Andosung Lee, Woo Taek Kim, Hyoungseok Lee
Few plant species can survive in Antarctica, the harshest environment for living organisms. Deschampsia antarctica is the only natural grass species to have adapted to and colonized the maritime Antarctic. To investigate the molecular mechanism of the Antarctic adaptation of this plant, we identified and characterized D. antarctica C-repeat binding factor 4 ( DaCBF4 ), which belongs to monocot CBF group IV. The transcript level of DaCBF4 in D. antarctica was markedly increased by cold and dehydration stress...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29772438/itgbl1-promotes-migration-invasion-and-predicts-a-poor-prognosis-in-colorectal-cancer
#5
Xiao Qiu, Jue-Rong Feng, Jun Qiu, Lan Liu, Yang Xie, Yu-Peng Zhang, Jing Liu, Qiu Zhao
Colorectal cancer (CRC) is one of the most common malignancies worldwide; its progression and prognosis are associated with oncogenes. The present study aimed to identify differentially expressed genes (DEGs) and explore the role and potential mechanism of integrin subunit β like 1 (ITGBL1) in CRC. The microarray dataset GSE41258 was used to screen DEGs involved in CRC. Survival analysis was performed to predict the prognosis of CRC patients. To validate ITGBL1 expression, immunohistochemistry, quantitative real-time PCR and western blotting were performed in CRC tissues and cells...
May 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29771950/biophotonic-detection-of-high-order-chromatin-alterations-in-field-carcinogenesis-predicts-risk-of-future-hepatocellular-carcinoma-a-pilot-study
#6
Richard Kalman, Andrew Stawarz, David Nunes, Di Zhang, Mart A Dela Cruz, Arpan Mohanty, Hariharan Subramanian, Vadim Backman, Hemant K Roy
PURPOSE: Hepatocellular carcinoma (HCC) results from chronic inflammation/cirrhosis. Unfortunately, despite use of radiological/serological screening techniques, HCC ranks as a leading cause of cancer deaths. Our group has used alterations in high order chromatin as a marker for field carcinogenesis and hence risk for a variety of cancers (including colon, lung, prostate, ovarian, esophageal). In this study we wanted to address whether these chromatin alterations occur in HCC and if it could be used for risk stratification...
2018: PloS One
https://www.readbyqxmd.com/read/29771800/left-sided-dominance-of-early-onset-colorectal-cancers-a-rationale-for-screening-flexible-sigmoidoscopy-in-the-young
#7
Lior Segev, Matthew F Kalady, James M Church
BACKGROUND: National databases show a recent significant increase in the incidence of colorectal cancer in people younger than 50. With current recommendations to begin average-risk screening at age 50, these patients do not have the opportunity to be screened. We hypothesized that most of the cancers among the young would be left sided, which would create an opportunity for screening the young by flexible sigmoidoscopy. OBJECTIVE: This study aims to analyze the anatomic distribution of sporadic colorectal cancers in patients under the age of 50...
May 15, 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29771698/updates-in-colorectal-cancer-screening-in-inflammatory-bowel-disease
#8
William T Clarke, Joseph D Feuerstein
PURPOSE OF REVIEW: This review article will discuss the risk of colorectal cancer (CRC) in patients with inflammatory bowel disease (IBD), as well as the current recommendations for CRC screening and surveillance in patients with ulcerative colitis or Crohn's colitis involving one-third of the colon. RECENT FINDINGS: Given that most cases of CRC are thought to arise from dysplasia, previous guidelines have recommended endoscopic surveillance with random biopsies obtained from all segments of the colon...
May 15, 2018: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/29771233/regulation-of-gene-expression-of-hcp-a-core-gene-of-the-type-vi-secretion-system-in-acinetobacter-baumannii-causing-respiratory-tract-infection
#9
Yin-Yin Hu, Cai-Xia Liu, Peng Liu, Zhuo-Ying Wu, Ya-Dong Zhang, Xiao-Shun Xiong, Xiang-Yang Li
PURPOSE: The objective of the current study was to investigate whether hcp plays a role in the process of Acinetobacter baumannii infection and to examine clinically relevant factors that may affect hcp expression. METHODOLOGY: Seventy-seven A. baumannii isolates from patients with a respiratory infection at the Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University (Wenzhou, China) were included in this study. PCR was performed to screen for the presence of hcp...
May 17, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29770281/intestinal-spirochetosis-in-an-immunocompetent-patient
#10
Patricia Guzman Rojas, Jelena Catania, Jignesh Parikh, Tran C Phung, Glenn Speth
Intestinal spirochetosis (IS) is an infestation defined by the presence of spirochetes on the surface of the colonic mucosa. The implicated organisms can be Brachyspira aalborgi or Brachyspira pilosicoli . We present the case of a 66-year-old man with a past medical history of diabetes mellitus, hypertension, morbid obesity, and gastroesophageal reflux. The patient was sent to the gastroenterology clinic for a screening colonoscopy due to a prior history of colonic polyps. The patient was completely asymptomatic as he denies any abdominal pain, diarrhea, melena, or hematochezia...
March 15, 2018: Curēus
https://www.readbyqxmd.com/read/29769275/-point-counterpoint-active-surveillance-for-carriers-of-toxigenic-clostridium-difficile-should-be-performed-to-guide-prevention-efforts
#11
L Clifford McDonald, Daniel J Diekema
In 2017, we published a point-counterpoint on laboratory diagnosis of C. difficile infection (CDI). At that time, Drs Ferric Fang, Christopher Polage, and Mark Wilcox discussed the strategies for diagnosing Clostridium difficile colitis in symptomatic patients. Since that manuscript new guidelines from the Infectious Diseases Society of American and the Society for Health Care Epidemiology have been published (1) and healthcare systems have begun to explore screening asymptomatic patients for C. difficile colonization...
May 16, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29767287/screening-for-comorbid-conditions-in-patients-enrolled-in-the-soda-registry-a-2-year-observational-analysis
#12
Whitney W Woodmansee, Murray B Gordon, Mark E Molitch, Adriana G Ioachimescu, Don W Carver, Beloo Mirakhur, David Cox, Roberto Salvatori
PURPOSE: This 2-year analysis assessed frequency of comorbidities and comorbidity screening in the Somatuline® (lanreotide, LAN) Depot for Acromegaly (SODA) registry. METHODS: Patient data collected included pituitary hormone deficiencies, sleep studies, echocardiograms, gallbladder sonographies, colonoscopies, and glycated hemoglobin (HbA1c) levels. Insulin-like growth factor-1 (IGF-1) and growth hormone levels in patients with (DM) and without (non-DM) diabetes mellitus were analyzed...
May 16, 2018: Endocrine
https://www.readbyqxmd.com/read/29765549/deregulation-of-methylation-of-transcribed-ultra-conserved-regions-in-colorectal-cancer-and-their-value-for-detection-of-adenomas-and-adenocarcinomas
#13
Anastasia E Kottorou, Anna G Antonacopoulou, Foteinos-Ioannis D Dimitrakopoulos, Georgia Diamantopoulou, Chaido Sirinian, Melpomeni Kalofonou, Theodoros Theodorakopoulos, Chrysa Oikonomou, Evangelos C Katsakoulis, Angelos Koutras, Thomas Makatsoris, Nikos Demopoulos, Georgia Stephanou, Michalis Stavropoulos, Konstantinos C Thomopoulos, Haralabos P Kalofonos
Expression of Transcribed Ultraconserved Regions (T-UCRs) is often deregulated in cancer. The present study assesses the expression and methylation of three T-UCRs (Uc160, Uc283 and Uc346) in colorectal cancer (CRC) and explores the potential of T-UCR methylation in circulating DNA for the detection of adenomas and adenocarcinomas. Expression levels of Uc160, Uc283 and Uc346 were lower in neoplastic tissues from 64 CRC patients (statistically significant for Uc160, p <0.001), compared to non-malignant tissues, while methylation levels displayed the inverse pattern ( p <0...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29765367/detection-of-bacteriophage-particles-containing-antibiotic-resistance-genes-in-the-sputum-of-cystic-fibrosis-patients
#14
Maryury Brown-Jaque, Lirain Rodriguez Oyarzun, Thais Cornejo-Sánchez, Maria T Martín-Gómez, Silvia Gartner, Javier de Gracia, Sandra Rovira, Antonio Alvarez, Joan Jofre, Juan J González-López, Maite Muniesa
Cystic fibrosis (CF) is a chronic disease in which the bacterial colonization of the lung is linked to an excessive inflammatory response that leads to respiratory failure. The microbiology of CF is complex. Staphylococcus aureus is the first bacterium to colonize the lungs in 30% of pediatric CF patients, and 80% of adult patients develop a chronic Pseudomonas aeruginosa infection, but other microorganisms can also be found. The use of antibiotics is essential to treat the disease, but antibiotic performance is compromised by resistance mechanisms...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29763724/influence-of-environmental-and-genotypic-factors-on-biofilm-formation-by-clinical-isolates-of-group-b-streptococci
#15
Shuping Nie, Xuedong Lu, Yan-Wei Hu, Lei Zheng, Qian Wang
Group B Streptococcus (GBS) colonizes the gastrointestinal and urogenital tracts of approximately 30% of women, and it can cause sepsis and meningitis in neonates. GBS has been shown to form biofilms in vitro, but the effects of environmental and genotypic factors upon GBS biofilm formation are unclear. The aim of the present study was to optimize culture conditions for enhanced GBS biofilm production. Furthermore, this study also investigated the influences of strain lineage, pilus profile, and isolation source on GBS biofilm formation...
May 12, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29763630/clinical-and-molecular-epidemiologic-characteristics-of-carbapenem-resistant-klebsiella-pneumoniae-infection-colonization-among-neonates-in-china
#16
Dandan Yin, Lei Zhang, Aimin Wang, Leiyan He, Yun Cao, Fupin Hu, Chuanqing Wang
BACKGROUND: The spread of carbapenem-resistant Klebsiella pneumoniae (CR-KPN) is a major concern, but data on CR-KPN infection/colonization in paediatric populations are limited. AIM: This study aimed to analyze epidemiologic and clinical characteristics, therapeutic options of CR-KPN infections in neonates in China. METHODS: A retrospective study was performed at the Children's Hospital of Fudan University, including 88 neonates with CR-KPN admitted between November 2015 and October 2016...
May 12, 2018: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29761674/screening-arab-israeli-pregnant-women-for-group-b-streptococcus-by-the-amplivue-gbs-assay-are-the-rates-higher-than-the-national-average
#17
Marwan Hakim, Adel Jabour, Miriam Anton, Meggie Hakim, Sahar Kheirallah
BACKGROUND: The recommendation of the U.S. Centers for Disease Control and Prevention regarding universal screening for Group B Streptococcus (GBS) at 35-37 weeks gestational age in pregnancy is not accepted in Israel. The National Council for Obstetrics, Neonatology and Genetics recommends intrapartum prophylaxis, mainly based on risk factors, to prevent early neonatal GBS infection. This policy is based on past studies demonstrating low colonization rates of the bacteria in Israeli pregnant women and very low neonatal sepsis rates...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29761673/neonatal-risk-factors-for-colonization-with-extended-spectrum-beta-lactamase-producing-bacteria-in-the-neonatal-intensive-care-unit
#18
Viktoria Leikin-Zach, Eilon Shany, Maayan Yitshak-Sade, Ron Eshel, Tali Shafat, Avraham Borer, Rimma Melamed
BACKGROUND: Extended-spectrum beta-lactamase (ESBL) production is the most common antimicrobial resistance mechanism in the neonatal intensive care unit (NICU), with colonization and blood stream infections being a major threat to this population. Since 2013, all NICU admissions at our facility were screened twice weekly for ESBL colonization. OBJECTIVES: To determine independent risk factors for colonization of infants with ESBL-producing bacteria in the NICU. METHODS: A retrospective case study of ESBL-colonized infants vs...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29760765/an-improved-method-for-agrobacterium-rhizogenes-mediated-transformation-of-tomato-suitable-for-the-study-of-arbuscular-mycorrhizal-symbiosis
#19
Tania Ho-Plágaro, Raúl Huertas, María I Tamayo-Navarrete, Juan A Ocampo, José M García-Garrido
Background: Solanum lycopersicum , an economically important crop grown worldwide, has been used as a model for the study of arbuscular mycorrhizal (AM) symbiosis in non-legume plants for several years and several cDNA array hybridization studies have revealed specific transcriptomic profiles of mycorrhizal tomato roots. However, a method to easily screen candidate genes which could play an important role during tomato mycorrhization is required. Results: We have developed an optimized procedure for composite tomato plant obtaining achieved through Agrobacterium rhizogenes -mediated transformation...
2018: Plant Methods
https://www.readbyqxmd.com/read/29755687/clinical-application-of-targeted-next-generation-sequencing-for-colorectal-cancer-patients-a-multicentric-belgian-experience
#20
Nicky D'Haene, Quitterie Fontanges, Nancy De Nève, Oriane Blanchard, Barbara Melendez, Monique Delos, Marie-Françoise Dehou, Calliope Maris, Nathalie Nagy, Emmanuel Rousseau, Josse Vandenhove, André Gilles, Carine De Prez, Laurine Verset, Marie-Paule Van Craynest, Pieter Demetter, Jean-Luc Van Laethem, Isabelle Salmon, Marie Le Mercier
International guidelines made RAS (KRAS and NRAS) status a prerequisite for the use of anti-EGFR agents for metastatic colorectal cancer (CRC) patients. Daily, new data emerges on the theranostic and prognostic role of molecular biomarkers; this is a strong incentive for a validated, sensitive, and broadly available molecular screening test. Next-generation sequencing (NGS) has begun to supplant other technologies for genomic profiling. We report here our 2 years of clinical practice using NGS results to guide therapeutic decisions...
April 17, 2018: Oncotarget
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