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https://www.readbyqxmd.com/read/28209818/complete-genome-sequence-of-the-who-international-standard-for-hepatitis-b-virus-dna
#1
Adrian Jenkins, Rehan Minhas, Clare Morris, Neil Berry
The World Health Organization (WHO) international standard (IS) for hepatitis B virus (HBV) DNA for use in nucleic acid amplification assays was characterized by determining the complete genome sequence, which was assigned genotype A. This information will aid the design, development, and evaluation of HBV DNA amplification assays.
February 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28204924/genome-wide-analysis-of-transposable-elements-in-the-coffee-berry-borer-hypothenemus-hampei-coleoptera-curculionidae-description-of-novel-families
#2
Eric M Hernandez-Hernandez, Rita Daniela Fernández-Medina, Lucio Navarro-Escalante, Jonathan Nuñez, Pablo Benavides-Machado, Claudia M A Carareto
The coffee berry borer (CBB) Hypothenemus hampei is the most limiting pest of coffee production worldwide. The CBB genome has been recently sequenced; however, information regarding the presence and characteristics of transposable elements (TEs) was not provided. Using systematic searching strategies based on both de novo and homology-based approaches, we present a library of TEs from the draft genome of CBB sequenced by the Colombian Coffee Growers Federation. The library consists of 880 sequences classified as 66% Class I (LTRs: 46%, non-LTRs: 20%) and 34% Class II (DNA transposons: 8%, Helitrons: 16% and MITEs: 10%) elements, including families of the three main LTR (Gypsy, Bel-Pao and Copia) and non-LTR (CR1, Daphne, I/Nimb, Jockey, Kiri, R1, R2 and R4) clades and DNA superfamilies (Tc1-mariner, hAT, Merlin, P, PIF-Harbinger, PiggyBac and Helitron)...
February 15, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28198009/endoscopic-ultrasound-guided-fine-needle-aspirate-derived-preclinical-pancreatic-cancer-models-reveal-panitumumab-sensitivity-in-kras-wild-type-tumours
#3
William Berry, Elizabeth Algar, Beena Kumar, Christopher Desmond, Michael Swan, Brendan J Jenkins, Daniel Croagh
Pancreatic cancer (PC) is largely refractory to existing therapies used in unselected patient trials, thus emphasizing the pressing need for new approaches for patient selection in personalized medicine. KRAS mutations occur in 90% of PC patients and confer resistance to epidermal growth factor receptor (EGFR) inhibitors (e.g. panitumumab), suggesting that KRAS wild-type PC patients may benefit from targeted panitumumab therapy. Here we use tumour tissue procured by endoscopic ultrasound-guided fine-needle aspirate (EUS-FNA) to compare the in vivo sensitivity in patient derived xenografts (PDXs) of KRAS wild-type and mutant PC tumours to panitumumab, and to profile the molecular signature of these tumours in patients with metastatic or localized disease...
February 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28187155/in-silico-identification-and-annotation-of-non-coding-rnas-by-rna-seq-and-de-novo-assembly-of-the-transcriptome-of-tomato-fruits
#4
Daria Scarano, Rosa Rao, Giandomenico Corrado
The complexity of the tomato (Solanum lycopersicum) transcriptome has not yet been fully elucidated. To gain insights into the diversity and features of coding and non-coding RNA molecules of tomato fruits, we generated strand-specific libraries from berries of two tomato cultivars grown in two open-field conditions with different soil type. Following high-throughput Illumina RNA-sequencing (RNA-seq), more than 90% of the reads (over one billion, derived from twelve dataset) were aligned to the tomato reference genome...
2017: PloS One
https://www.readbyqxmd.com/read/28185084/-schistosomose-urog%C3%A3-nitale-et-cancer
#5
A Berry, X Iriart, J Fillaux, J-F Magnaval
The existence of a link between urinary schistosomiasis (US) and bladder carcinoma was first suspected by C. Goebel in 1905. In 1911, A.R Ferguson, who was a professor of Pathology and Microbiology at the Faculty of Medicine in Cairo, published a more detailed survey from 40 autopsies, and reported a likely association of bladder carcinoma with granulomas caused by US. Subsequently, published results from several studies reinforced Ferguson's hypothesis. Moreover, in most countries where US was endemic, association of high prevalence of bladder carcinoma with US had been pointed out...
February 10, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28168224/lifestyle-and-horizontal-gene-transfer-mediated-evolution-of-mucispirillum-schaedleri-a-core-member-of-the-murine-gut-microbiota
#6
Alexander Loy, Carina Pfann, Michaela Steinberger, Buck Hanson, Simone Herp, Sandrine Brugiroux, João Carlos Gomes Neto, Mark V Boekschoten, Clarissa Schwab, Tim Urich, Amanda E Ramer-Tait, Thomas Rattei, Bärbel Stecher, David Berry
Mucispirillum schaedleri is an abundant inhabitant of the intestinal mucus layer of rodents and other animals and has been suggested to be a pathobiont, a commensal that plays a role in disease. In order to gain insights into its lifestyle, we analyzed the genome and transcriptome of M. schaedleri ASF 457 and performed physiological experiments to test traits predicted by its genome. Although described as a mucus inhabitant, M. schaedleri has limited capacity for degrading host-derived mucosal glycans and other complex polysaccharides...
January 2017: MSystems
https://www.readbyqxmd.com/read/28162992/adherence-to-clinic-recommendations-among-patients-with-phenylketonuria-in-the-united-states
#7
E R Jurecki, S Cederbaum, J Kopesky, K Perry, F Rohr, A Sanchez-Valle, K S Viau, M Y Sheinin, J L Cohen-Pfeffer
OBJECTIVE: Assess current management practices of phenylketonuria (PKU) clinics across the United States (US) based on the key treatment metrics of blood phenylalanine (Phe) concentrations and blood Phe testing frequency, as well as patient adherence to their clinic's management practice recommendations. METHODS: An online survey was conducted with medical professionals from PKU clinics across the US from July to September 2015. Forty-four clinics participated in the survey and account for approximately half of PKU patients currently followed in clinics in the US (Berry et al...
January 6, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28139704/predictive-radiogenomics-modeling-of-egfr-mutation-status-in-lung-cancer
#8
Olivier Gevaert, Sebastian Echegaray, Amanda Khuong, Chuong D Hoang, Joseph B Shrager, Kirstin C Jensen, Gerald J Berry, H Henry Guo, Charles Lau, Sylvia K Plevritis, Daniel L Rubin, Sandy Napel, Ann N Leung
Molecular analysis of the mutation status for EGFR and KRAS are now routine in the management of non-small cell lung cancer. Radiogenomics, the linking of medical images with the genomic properties of human tumors, provides exciting opportunities for non-invasive diagnostics and prognostics. We investigated whether EGFR and KRAS mutation status can be predicted using imaging data. To accomplish this, we studied 186 cases of NSCLC with preoperative thin-slice CT scans. A thoracic radiologist annotated 89 semantic image features of each patient's tumor...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28118385/rna-sequencing-reveals-biological-networks-during-table-grapevine-fujiminori-fruit-development
#9
Lingfei Shangguan, Qian Mu, Xiang Fang, Kekun Zhang, Haifeng Jia, Xiaoying Li, Yiqun Bao, Jinggui Fang
Grapevine berry development is a complex and genetically controlled process, with many morphological, biochemical and physiological changes occurring during the maturation process. Research carried out on grapevine berry development has been mainly concerned with wine grape, while barely focusing on table grape. 'Fujiminori' is an important table grapevine cultivar, which is cultivated in most provinces of China. In order to uncover the dynamic networks involved in anthocyanin biosynthesis, cell wall development, lipid metabolism and starch-sugar metabolism in 'Fujiminori' fruit, we employed RNA-sequencing (RNA-seq) and analyzed the whole transcriptome of grape berry during development at the expanding period (40 days after full bloom, 40DAF), véraison period (65DAF), and mature period (90DAF)...
2017: PloS One
https://www.readbyqxmd.com/read/28116755/gene-expression-atlas-for-the-food-security-crop-cassava
#10
Mark C Wilson, Andrew M Mutka, Aaron W Hummel, Jeffrey Berry, Raj Deepika Chauhan, Anupama Vijayaraghavan, Nigel J Taylor, Daniel F Voytas, Daniel H Chitwood, Rebecca S Bart
Cassava (Manihot esculenta) feeds c. 800 million people world-wide. Although this crop displays high productivity under drought and poor soil conditions, it is susceptible to disease, postharvest deterioration and the roots contain low nutritional content. Here, we provide molecular identities for 11 cassava tissue/organ types through RNA-sequencing and develop an open access, web-based interface for further interrogation of the data. Through this dataset, we consider the physiology of cassava. Specifically, we focus on identification of the transcriptional signatures that define the massive, underground storage roots used as a food source and the favored target tissue for transgene integration and genome editing, friable embryogenic callus (FEC)...
January 24, 2017: New Phytologist
https://www.readbyqxmd.com/read/28034300/frequency-of-influenza-h3n2-intra-subtype-reassortment-attributes-and-implications-of-reassortant-spread
#11
Irina Maljkovic Berry, Melanie C Melendrez, Tao Li, Anthony W Hawksworth, Gary T Brice, Patrick J Blair, Eric S Halsey, Maya Williams, Stefan Fernandez, In-Kyu Yoon, Leslie D Edwards, Robert Kuschner, Xiaoxu Lin, Stephen J Thomas, Richard G Jarman
BACKGROUND: Increasing evidence suggests that influenza reassortment not only contributes to the emergence of new human pandemics but also plays an important role in seasonal influenza epidemics, disease severity, evolution, and vaccine efficacy. We studied this process within 2091 H3N2 full genomes utilizing a combination of the latest reassortment detection tools and more conventional phylogenetic analyses. RESULTS: We found that the amount of H3N2 intra-subtype reassortment depended on the number of sampled genomes, occurred with a steady frequency of 3...
December 29, 2016: BMC Biology
https://www.readbyqxmd.com/read/27960104/digital-rt-pcr-method-for-hepatitis-a-virus-and-norovirus-quantification-in-soft-berries
#12
Audrey Fraisse, Coralie Coudray-Meunier, Sandra Martin-Latil, Catherine Hennechart-Collette, Sabine Delannoy, Patrick Fach, Sylvie Perelle
Raw fruits may harbour many pathogens of public health concern including enteric viruses, which are the leading cause of foodborne outbreaks. Recently, consumption of soft berries has been associated with increasing reports of norovirus and hepatitis A virus outbreaks in Europe. Due to their low infectious doses and low concentrations in food samples, an efficient and sensitive analytical method is required for virus detection. In this study we explored two different ways to improve the reference method for the detection of enteric viruses in soft fruits (ISO/TS 15216-1; 15216-2): an additional purification step after RNA extraction; and the detection of enteric viral genome by an absolute quantification method (microfluidic digital RT-PCR)...
February 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27912729/genomic-insights-from-whole-genome-sequencing-of-four-clonal-outbreak-campylobacter-jejuni-assessed-within-the-global-c-jejuni-population
#13
Clifford G Clark, Chrystal Berry, Matthew Walker, Aaron Petkau, Dillon O R Barker, Cai Guan, Aleisha Reimer, Eduardo N Taboada
BACKGROUND: Whole genome sequencing (WGS) is useful for determining clusters of human cases, investigating outbreaks, and defining the population genetics of bacteria. It also provides information about other aspects of bacterial biology, including classical typing results, virulence, and adaptive strategies of the organism. Cell culture invasion and protein expression patterns of four related multilocus sequence type 21 (ST21) C. jejuni isolates from a significant Canadian water-borne outbreak were previously associated with the presence of a CJIE1 prophage...
December 3, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27910897/genomic-variations-leading-to-alterations-in-cell-morphology-of-campylobacter-spp
#14
Diane Esson, Alison E Mather, Eoin Scanlan, Srishti Gupta, Stefan P W de Vries, David Bailey, Simon R Harris, Trevelyan J McKinley, Guillaume Méric, Sophia K Berry, Pietro Mastroeni, Samuel K Sheppard, Graham Christie, Nicholas R Thomson, Julian Parkhill, Duncan J Maskell, Andrew J Grant
Campylobacter jejuni, the most common cause of bacterial diarrhoeal disease, is normally helical. However, it can also adopt straight rod, elongated helical and coccoid forms. Studying how helical morphology is generated, and how it switches between its different forms, is an important objective for understanding this pathogen. Here, we aimed to determine the genetic factors involved in generating the helical shape of Campylobacter. A C. jejuni transposon (Tn) mutant library was screened for non-helical mutants with inconsistent results...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27903891/cloning-independent-markerless-gene-editing-in-streptococcus-sanguinis-novel-insights-in-type-iv-pilus-biology
#15
Ishwori Gurung, Jamie-Lee Berry, Alexander M J Hall, Vladimir Pelicic
Streptococcus sanguinis, a naturally competent opportunistic human pathogen, is a Gram-positive workhorse for genomics. It has recently emerged as a model for the study of type IV pili (Tfp)-exceptionally widespread and important prokaryotic filaments. To enhance genetic manipulation of Streptococcus sanguinis, we have developed a cloning-independent methodology, which uses a counterselectable marker and allows sophisticated markerless gene editing in situ We illustrate the utility of this methodology by answering several questions regarding Tfp biology by (i) deleting single or mutiple genes, (ii) altering specific bases in genes of interest, and (iii) engineering genes to encode proteins with appended affinity tags...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27869789/genome-guided-design-of-a-defined-mouse-microbiota-that-confers-colonization-resistance-against-salmonella-enterica-serovar-typhimurium
#16
Sandrine Brugiroux, Markus Beutler, Carina Pfann, Debora Garzetti, Hans-Joachim Ruscheweyh, Diana Ring, Manuel Diehl, Simone Herp, Yvonne Lötscher, Saib Hussain, Boyke Bunk, Rüdiger Pukall, Daniel H Huson, Philipp C Münch, Alice C McHardy, Kathy D McCoy, Andrew J Macpherson, Alexander Loy, Thomas Clavel, David Berry, Bärbel Stecher
Protection against enteric infections, also termed colonization resistance, results from mutualistic interactions of the host and its indigenous microbes. The gut microbiota of humans and mice is highly diverse and it is therefore challenging to assign specific properties to its individual members. Here, we have used a collection of murine bacterial strains and a modular design approach to create a minimal bacterial community that, once established in germ-free mice, provided colonization resistance against the human enteric pathogen Salmonella enterica serovar Typhimurium (S...
November 21, 2016: Nature Microbiology
https://www.readbyqxmd.com/read/27864912/inferring-contemporary-and-historical-genetic-connectivity-from-juveniles
#17
Pierre Feutry, Oliver Berry, Peter M Kyne, Richard D Pillans, Richard M Hillary, Peter M Grewe, James R Marthick, Grant Johnson, Rasanthi M Gunasekera, Nicholas J Bax, Mark Bravington
Measuring population connectivity is a critical task in conservation biology. While genetic markers can provide reliable long-term historical estimates of population connectivity, scientists are still limited in their ability to determine contemporary patterns of gene flow, the most practical time frame for management. Here, we tackled this issue by developing a new approach that only requires juvenile sampling at a single time period. To demonstrate the usefulness of our method, we used the Speartooth shark (Glyphis glyphis), a critically endangered species of river shark found only in tropical northern Australia and southern Papua New Guinea...
November 19, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27856586/genome-sequences-of-three-species-of-hanseniaspora-isolated-from-spontaneous-wine-fermentations
#18
Peter R Sternes, Danna Lee, Dariusz R Kutyna, Anthony R Borneman
Members of the genus Hanseniaspora represent a significant proportion of the normal flora of grape berries and play a significant role in wine fermentation. Here, we present genome sequences for three species of Hanseniaspora, H. opuntiae, H. osmophila, and H. uvarum, which were isolated from spontaneous Chardonnay wine fermentation.
November 17, 2016: Genome Announcements
https://www.readbyqxmd.com/read/27853923/the-cognitive-and-behavioral-phenotypes-of-individuals-with-chrna7-duplications
#19
M A Gillentine, L N Berry, R P Goin-Kochel, M A Ali, J Ge, D Guffey, J A Rosenfeld, V Hannig, P Bader, M Proud, M Shinawi, B H Graham, A Lin, S R Lalani, J Reynolds, M Chen, T Grebe, C G Minard, P Stankiewicz, A L Beaudet, C P Schaaf
Chromosome 15q11q13 is among the least stable regions in the genome due to its highly complex genomic architecture. Low copy repeat elements at 15q13.3 facilitate recurrent copy number variants (CNVs), with deletions established as pathogenic and CHRNA7 implicated as a candidate gene. However, the pathogenicity of duplications of CHRNA7 is unclear, as they are found in affected probands as well as in reportedly healthy parents and unaffected control individuals. We evaluated 18 children with microduplications involving CHRNA7, identified by clinical chromosome microarray analysis (CMA)...
November 16, 2016: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/27832740/inter-and-intra-reproducibility-of-genotypes-from-sheep-technical-replicates-on-illumina-and-affymetrix-platforms
#20
COMPARATIVE STUDY
Donagh P Berry, Aine O'Brien, Eamonn Wall, Kevin McDermott, Shane Randles, Paul Flynn, Stephen Park, Jenny Grose, Rebecca Weld, Noirin McHugh
BACKGROUND: Accurate genomic analyses are predicated upon access to accurate genotype input data. The objective of this study was to quantify the reproducibility of genotype data that are generated from the same genotype platform and from different genotyping platforms. METHODS: Genotypes based on 51,121 single nucleotide polymorphisms (SNPs) for 84 animals that were each genotyped on Illumina and Affymetrix platforms and for another 25 animals that were each genotyped twice on the same Illumina platform were compared...
10, 2016: Genetics, Selection, Evolution: GSE
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