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https://www.readbyqxmd.com/read/28222377/identification-of-autophagy-related-genes-lc3-and-atg4-from-yellow-catfish-pelteobagrus-fulvidraco-and-their-transcriptional-responses-to-waterborne-and-dietborne-zinc-exposure
#1
Chuan-Chuan Wei, Zhi Luo, Yu-Feng Song, Ya-Xiong Pan, Kun Wu, Wen-Jing You
Autophagy mediates the regulation of lipid metabolism. Moreover, our recent study indicated that waterborne and dietborne zinc (Zn) exposure differentially influenced lipid metabolism in a fish species of significance for aquaculture, yellow catfish Pelteobagrus fulvidraco, but further mechanism remained unknown. The hypothesis of the present study is that autophagy mediated the Zn-induced changes of lipid metabolism of yellow catfish subjected to different exposure pathways. To this end, we cloned key genes involved in autophagy in yellow catfish, explored their mRNA expressions in responses to different Zn exposure pathways...
February 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28222102/anln-truncation-causes-a-familial-fatal-acute-respiratory-distress-syndrome-in-dalmatian-dogs
#2
Saila Holopainen, Marjo K Hytönen, Pernilla Syrjä, Meharji Arumilli, Anna-Kaisa Järvinen, Minna Rajamäki, Hannes Lohi
Acute respiratory distress syndrome (ARDS) is the leading cause of death in critical care medicine. The syndrome is typified by an exaggerated inflammatory response within the lungs. ARDS has been reported in many species, including dogs. We have previously reported a fatal familial juvenile respiratory disease accompanied by occasional unilateral renal aplasia and hydrocephalus, in Dalmatian dogs. The condition with a suggested recessive mode of inheritance resembles acute exacerbation of usual interstitial pneumonia in man...
February 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28221953/comparative-evaluation-of-genomic-and-laboratory-approaches-for-determination-of-shiga-toxin-subtypes-in-escherichia-coli
#3
Catherine D Carrillo, Adam G Koziol, Amit Mathews, Noriko Goji, Dominic Lambert, George Huszczynski, Martine Gauthier, Kingsley Amoako, Burton W Blais
The determination of Shiga toxin (ST) subtypes can be an important element in the risk characterization of foodborne ST-producing Escherichia coli (STEC) isolates for making risk management decisions. ST subtyping methods include PCR techniques based on electrophoretic or pyrosequencing analysis of amplicons and in silico techniques based on whole genome sequence analysis using algorithms that can be readily incorporated into bioinformatics analysis pipelines for characterization of isolates by their genetic composition...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221883/enrichment-amplification-and-sequence-based-typing-of-salmonella-enterica-and-other-foodborne-pathogens
#4
Tom Edlind, Jeffrey D Brewster, George C Paoli
Detection of Salmonella enterica in foods typically involves microbiological enrichment, molecular-based assay, and subsequent isolation and identification of a pure culture. This is ideally followed by strain typing, which provides information critical to the investigation of outbreaks and the attribution of their sources. Pulsed-field gel electrophoresis is the "gold standard" for S. enterica strain typing, but its limitations have encouraged the search for alternative methods, including whole genome sequencing...
January 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221368/no-evidence-for-the-presence-of-genetic-variants-predisposing-to-psychotic-disorders-on-the-non-deleted-22q11-2-allele-of-vcfs-patients
#5
M Guipponi, F Santoni, M Schneider, C Gehrig, X B Bustillo, W R Kates, B Morrow, M Armando, S Vicari, F Sloan-Béna, M Gagnebin, V Shashi, S R Hooper, S Eliez, S E Antonarakis
The velo-cardio-facial syndrome (VCFS) is caused by hemizygous deletions on chromosome 22q11.2. The VCFS phenotype is complex and characterized by frequent occurrence of neuropsychiatric symptoms with up to 25-30% of cases suffering from psychotic disorders compared with only ~1% in the general population (odds ratio≈20-25). This makes the 22q11.2 deletion one of the most prominent risk factors for schizophrenia. However, its penetrance for neuropsychiatric phenotypes is incomplete suggesting that additional risk factors are required for disease development...
February 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28221129/new-mycobacterium-tuberculosis-complex-sublineage-brazzaville-congo
#6
Sven Malm, Laure S Ghoma Linguissi, Emmanuel M Tekwu, Jeannhey C Vouvoungui, Thomas A Kohl, Patrick Beckert, Anissa Sidibe, Sabine Rüsch-Gerdes, Igor K Madzou-Laboum, Sylvie Kwedi, Véronique Penlap Beng, Matthias Frank, Francine Ntoumi, Stefan Niemann
Tuberculosis is a leading cause of illness and death in Congo. No data are available about the population structure and transmission dynamics of the Mycobacterium tuberculosis complex strains prevalent in this central Africa country. On the basis of single-nucleotide polymorphisms detected by whole-genome sequencing, we phylogenetically characterized 74 MTBC isolates from Brazzaville, the capital of Congo. The diversity of the study population was high; most strains belonged to the Euro-American lineage, which split into Latin American Mediterranean, Uganda I, Uganda II, Haarlem, X type, and a new dominant sublineage named Congo type (n = 26)...
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28220980/the-fire-ant-social-chromosome-supergene-variant-sb-shows-low-diversity-but-high-divergence-from-sb
#7
Rodrigo Pracana, Anurag Priyam, Ilya Levantis, Richard A Nichols, Yannick Wurm
Variation in social behavior is common yet little is known about the genetic architectures underpinning its evolution. A rare exception is in the fire ant Solenopsis invicta: Alternative variants of a supergene region determine whether a colony will have exactly one or up to dozens of queens. The two variants of this region are carried by a pair of "social chromosomes", SB and Sb, which resemble a pair of sex chromosomes. Recombination is suppressed between the two chromosomes in the supergene region. While the X-like SB can recombine with itself in SB/SB queens, recombination is effectively absent in the Y-like Sb because Sb/Sb queens die before reproducing...
February 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28220434/mapping-and-cloning-of-chemical-induced-mutations-by-whole-genome-sequencing-of-bulked-segregants
#8
Jian Hua, Shuai Wang, Qi Sun
Here we describe a method of gene mapping and cloning of chemical induced mutations using next-generation sequencing on their backcrossed segregants. This method utilizes polymorphisms induced by chemical mutagens for mapping and therefore does not require outcrossing to a different background or a large segregating population. It can be used to clone causal mutations generated in various accessions or mutant backgrounds for dissecting complex processes such as pattern recognition receptor pathways in plant immunity...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28220134/genome-wide-dissection-of-the-heat-shock-transcription-factor-family-genes-in-arachis
#9
Pengfei Wang, Hui Song, Changsheng Li, Pengcheng Li, Aiqin Li, Hongshan Guan, Lei Hou, Xingjun Wang
Heat shock transcription factors (Hsfs) are important transcription factors (TFs) in protecting plants from damages caused by various stresses. The released whole genome sequences of wild peanuts make it possible for genome-wide analysis of Hsfs in peanut. In this study, a total of 16 and 17 Hsf genes were identified from Arachis duranensis and A. ipaensis, respectively. We identified 16 orthologous Hsf gene pairs in both peanut species; however HsfXs was only identified from A. ipaensis. Orthologous pairs between two wild peanut species were highly syntenic...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28219893/toxin-positive-clostridium-difficile-latently-infect-mouse-colonies-and-protect-against-highly-pathogenic-c-difficile
#10
Lucie Etienne-Mesmin, Benoit Chassaing, Oluwaseyi Adekunle, Lisa M Mattei, Frederic D Bushman, Andrew T Gewirtz
OBJECTIVE: Clostridium difficile is a toxin-producing bacterium and a leading cause of antibiotic-associated disease. The ability of C. difficile to form spores and infect antibiotic-treated persons at low multiplicity of infection (MOI) underlies its large disease burden. However, C. difficile-induced disease might also result from long-harboured C. difficile that blooms in individuals administered antibiotics. DESIGN: Mice purchased from multiple vendors and repeatedly testing negative for this pathogen by quantitative PCR bloomed C...
February 20, 2017: Gut
https://www.readbyqxmd.com/read/28219825/first-report-on-whole-genome-shotgun-sequences-of-23-biochemically-indistinguishable-clinical-shigella-isolates
#11
Dhiviya Prabaa Muthuirulandi Sethuvel, Naveen Kumar Devanga Ragupathi, Shalini Anandan, Valsan Philip Verghese, Balaji Veeraraghavan
Shigella spp. are a major diarrhoeal disease pathogen worldwide and can cause considerable morbidity and mortality. Notably, limited genome data are available for serogroups/sub-serogroups of Shigella. Here we report the whole-genome shotgun sequences of 23 non-typeable Shigella from stool specimens that biochemically resembled Shigella spp. but were non-typeable with Shigella-specific antisera.
February 17, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28219746/application-of-high-throughput-sequencing-to-whole-rabies-viral-genome-characterisation-and-its-use-for-phylogenetic-re-evaluation-of-a-raccoon-strain-incursion-into-the-province-of-ontario
#12
Susan A Nadin-Davis, Adam Colville, Hannah Trewby, Roman Biek, Leslie Real
Raccoon rabies remains a serious public health problem throughout much of the eastern seaboard of North America due to the urban nature of the reservoir host and the many challenges inherent in multi-jurisdictional efforts to administer co-ordinated and comprehensive wildlife rabies control programmes. Better understanding of the mechanisms of spread of rabies virus can play a significant role in guiding such control efforts. To facilitate a detailed molecular epidemiological study of raccoon rabies virus movements across eastern North America, we developed a methodology to efficiently determine whole genome sequences of hundreds of viral samples...
February 17, 2017: Virus Research
https://www.readbyqxmd.com/read/28219341/integrating-genetic-maps-in-bambara-groundnut-vigna-subterranea-l-verdc-and-their-syntenic-relationships-among-closely-related-legumes
#13
Wai Kuan Ho, Hui Hui Chai, Presidor Kendabie, Nariman Salih Ahmad, Jaeyres Jani, Festo Massawe, Andrzej Kilian, Sean Mayes
BACKGROUND: Bambara groundnut [Vigna subterranea (L) Verdc.] is an indigenous legume crop grown mainly in subsistence and small-scale agriculture in sub-Saharan Africa for its nutritious seeds and its tolerance to drought and poor soils. Given that the lack of ex ante sequence is often a bottleneck in marker-assisted crop breeding for minor and underutilised crops, we demonstrate the use of limited genetic information and resources developed within species, but linked to the well characterised common bean (Phaseolus vulgaris) genome sequence and the partially annotated closely related species; adzuki bean (Vigna angularis) and mung bean (Vigna radiata)...
February 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28219321/genetic-characterization-of-vibrio-cholerae-o1-isolates-from-outbreaks-between-2011-and-2015-in-tanzania
#14
Yazid Kachwamba, A A Mohammed, H Lukupulo, L Urio, M Majigo, F Mosha, M Matonya, R Kishimba, J Mghamba, J Lusekelo, S Nyanga, M Almeida, S Li, D Domman, S Y Massele, O C Stine
BACKGROUND: Cholera outbreaks have occurred in Tanzania since 1974. To date, the genetic epidemiology of these outbreaks has not been assessed. METHODS: 96 Vibrio cholerae O1 isolates from five regions were characterized, and their genetic relatedness assessed using multi-locus variable-number tandem-repeat analysis (MLVA) and whole genome sequencing (WGS). RESULTS: Of the 48 MLVA genotypes observed, 3 were genetically unrelated to any others, while the remaining 45 genotypes separated into three MLVA clonal complexes (CCs) - each comprised of genotypes differing by a single allelic change...
February 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28218305/interaction-of-cutibacterium-%C3%A2-formerly-propionibacterium-acnes-with-bone-cells-a-step-toward-understanding-bone-and-joint-infection-development
#15
Guillaume Ghislain Aubin, Marc Baud'huin, Jean-Philippe Lavigne, Régis Brion, François Gouin, Didier Lepelletier, Cédric Jacqueline, Dominique Heymann, Karim Asehnoune, Stéphane Corvec
Cutibacterium acnes (formerly Propionibacterium acnes) is recognized as a pathogen in foreign-body infections (arthroplasty or spinal instrumentation). To date, the direct impact of C. acnes on bone cells has never been explored. The clade of 11 C. acnes clinical isolates was determined by MLST. Human osteoblasts and osteoclasts were infected by live C. acnes. The whole genome sequence of six isolates of this collection was analyzed. CC36 C. acnes strains were significantly less internalized by osteoblasts and osteoclasts than CC18 and CC28 C...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28217442/whole-genome-sequencing-and-analysis-of-campylobacter-coli-yh502-from-retail-chicken-reveals-a-plasmid-borne-type-vi-secretion-system
#16
Sandeep Ghatak, Yiping He, Sue Reed, Terence Strobaugh, Peter Irwin
Campylobacter is a major cause of foodborne illnesses worldwide. Campylobacter infections, commonly caused by ingestion of undercooked poultry and meat products, can lead to gastroenteritis and chronic reactive arthritis in humans. Whole genome sequencing (WGS) is a powerful technology that provides comprehensive genetic information about bacteria and is increasingly being applied to study foodborne pathogens: e.g., evolution, epidemiology/outbreak investigation, and detection. Herein we report the complete genome sequence of Campylobacter coli strain YH502 isolated from retail chicken in the United States...
March 2017: Genomics Data
https://www.readbyqxmd.com/read/28217130/transcriptome-analyses-reveal-candidate-genes-potentially-involved-in-al-stress-response-in-alfalfa
#17
Wenxian Liu, Conghui Xiong, Longfeng Yan, Zhengshe Zhang, Lichao Ma, Yanrong Wang, Yajie Liu, Zhipeng Liu
Alfalfa is the most extensively cultivated forage legume, yet most alfalfa cultivars are not aluminum tolerant, and the molecular mechanisms underlying alfalfa responses to Al stress are largely unknown. In this study, we aimed to understand how alfalfa responds to Al stress by identifying and analyzing Al-stress-responsive genes in alfalfa roots at the whole-genome scale. The transcriptome changes in alfalfa roots under Al stress for 4, 8, or 24 h were analyzed using Illumina high-throughput sequencing platforms...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28217117/the-promise-of-whole-genome-pathogen-sequencing-for-the-molecular-epidemiology-of-emerging-aquaculture-pathogens
#18
REVIEW
Sion C Bayliss, David W Verner-Jeffreys, Kerry L Bartie, David M Aanensen, Samuel K Sheppard, Alexandra Adams, Edward J Feil
Aquaculture is the fastest growing food-producing sector, and the sustainability of this industry is critical both for global food security and economic welfare. The management of infectious disease represents a key challenge. Here, we discuss the opportunities afforded by whole genome sequencing of bacterial and viral pathogens of aquaculture to mitigate disease emergence and spread. We outline, by way of comparison, how sequencing technology is transforming the molecular epidemiology of pathogens of public health importance, emphasizing the importance of community-oriented databases and analysis tools...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28217008/toxicogenomics-to-evaluate-endocrine-disrupting-effects-of-environmental-chemicals-using-the-zebrafish-model
#19
Karina Caballero-Gallardo, Jesus Olivero-Verbel, Jennifer L Freeman
The extent of our knowledge on the number of chemical compounds related to anthropogenic activities that can cause damage to the environment and to organisms is increasing. Endocrine disrupting chemicals (EDCs) are one group of potentially hazardous substances that include natural and synthetic chemicals and have the ability to mimic endogenous hormones, interfering with their biosynthesis, metabolism, and normal functions. Adverse effects associated with EDC exposure have been documented in aquatic biota and there is widespread interest in the characterization and understanding of their modes of action...
December 2016: Current Genomics
https://www.readbyqxmd.com/read/28216019/draft-genome-sequence-of-reduced-teicoplanin-susceptible-and-vancomycin-heteroresistant-methicillin-resistant-staphylococcus-aureus-from-sepsis-cases
#20
Yamuna Devi Bakthavatchalam, Balaji Veeraraghavan, Naveen Kumar Devanga Ragupathi, Priyanka Babu, Elakkiya Munuswamy, Thambu David
Here we report the whole-genome shotgun sequence of six methicillin-resistant Staphylococcus aureus (MRSA) showing reduced susceptibility to both vancomycin and teicoplanin. The typical Indian community-acquired MRSA (CA-MRSA) clone ST772-MRSA-V-t657 was the most common genotype (3/6; 50%), followed by ST672-MRSA-IV (2/6; 33%) and ST22-MRSA-IV (1/6; 17%). All strains harboured a mutation in the tcaRAB operon, vraSR, graSR and/or rpoB genes, which are frequently mutated determinants in a heteroresistant vancomycin-intermediate S...
February 15, 2017: Journal of Global Antimicrobial Resistance
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