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Sofia Morfopoulou, Edward T Mee, Sarah M Connaughton, Julianne R Brown, Kimberly Gilmour, W K 'Kling' Chong, W Paul Duprex, Deborah Ferguson, Mike Hubank, Ciaran Hutchinson, Marios Kaliakatsos, Stephen McQuaid, Simon Paine, Vincent Plagnol, Christopher Ruis, Alex Virasami, Hong Zhan, Thomas S Jacques, Silke Schepelmann, Waseem Qasim, Judith Breuer
Routine childhood vaccination against measles, mumps and rubella has virtually abolished virus-related morbidity and mortality. Notwithstanding this, we describe here devastating neurological complications associated with the detection of live-attenuated mumps virus Jeryl Lynn (MuV(JL5)) in the brain of a child who had undergone successful allogeneic transplantation for severe combined immunodeficiency (SCID). This is the first confirmed report of MuV(JL5) associated with chronic encephalitis and highlights the need to exclude immunodeficient individuals from immunisation with live-attenuated vaccines...
October 21, 2016: Acta Neuropathologica
Akira Shiraishi, Jun Murata, Erika Matsumoto, Shin Matsubara, Eiichiro Ono, Honoo Satake
Forsythia spp. are perennial woody plants which are one of the most extensively used medicinal sources of Chinese medicines and functional diets owing to their lignan contents. Lignans have received widespread attention as leading compounds in the development of antitumor drugs and healthy diets for reducing the risks of lifestyle-related diseases. However, the molecular basis of Forsythia has yet to be established. In this study, we have verified de novo deep transcriptome of Forsythia koreana leaf and callus using the Illumina HiSeq 1500 platform...
2016: PloS One
Christophe Beclin, Philipp Follert, Elke Stappers, Serena Barral, Coré Nathalie, Antoine de Chevigny, Virginie Magnone, Kévin Lebrigand, Ute Bissels, Danny Huylebroeck, Andreas Bosio, Pascal Barbry, Eve Seuntjens, Harold Cremer
During neurogenesis, generation, migration and integration of the correct numbers of each neuron sub-type depends on complex molecular interactions in space and time. MicroRNAs represent a key control level allowing the flexibility and stability needed for this process. Insight into the role of this regulatory pathway in the brain is still limited. We performed a sequential experimental approach using postnatal olfactory bulb neurogenesis in mice, starting from global expression analyses to the investigation of functional interactions between defined microRNAs and their targets...
October 21, 2016: Scientific Reports
Yongsheng Bai, Lizhong Ding, Steve Baker, Jenny M Bai, Ethan Rath, Feng Jiang, Jianghong Wu, Hui Jiang, Gary Stuart
BACKGROUND: MicroRNAs (miRNA) are short nucleotides that interact with their target genes through 3' untranslated regions (UTRs). The Cancer Genome Atlas (TCGA) harbors an increasing amount of cancer genome data for both tumor and normal samples. However, there are few visualization tools focusing on concurrently displaying important relationships and attributes between miRNAs and mRNAs of both cancer tumor and normal samples. Moreover, a deep investigation of miRNA-mRNA target and biological relationships across multiple cancer types by integrating web-based analysis has not been thoroughly conducted...
October 6, 2016: BMC Bioinformatics
Magali Ranchou-Peyruse, Cyrielle Gasc, Marion Guignard, Thomas Aüllo, David Dequidt, Pierre Peyret, Anthony Ranchou-Peyruse
The formation water of a deep aquifer (853 m of depth) used for geological storage of natural gas was sampled to assess the mono-aromatic hydrocarbons attenuation potential of the indigenous microbiota. The study of bacterial diversity suggests that Firmicutes and, in particular, sulphate-reducing bacteria (Peptococcaceae) predominate in this microbial community. The capacity of the microbial community to biodegrade toluene and m- and p-xylenes was demonstrated using a culture-based approach after several hundred days of incubation...
October 21, 2016: Microbial Biotechnology
Matthias Willmann, Silke Peter
The increasing threat of antimicrobial resistance poses one of the greatest challenges to modern medicine. The collection of all antimicrobial resistance genes carried by various microorganisms in the human body is called the human resistome and represents the source of resistance in pathogens that can eventually cause life-threatening and untreatable infections. A deep understanding of the human resistome and its multilateral interaction with various environments is necessary for developing proper measures that can efficiently reduce the spread of resistance...
October 20, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
Hiroko Makita, Emiko Tanaka, Satoshi Mitsunobu, Masayuki Miyazaki, Takuro Nunoura, Katsuyuki Uematsu, Yoshihiro Takaki, Shinro Nishi, Shigeru Shimamura, Ken Takai
A novel iron-oxidizing chemolithoautotrophic bacterium, strain ET2(T), was isolated from a deep-sea sediment in a hydrothermal field of the Bayonnaise knoll of the Izu-Ogasawara arc. Cells were bean-shaped, curved short rods. Growth was observed at a temperature range of 15-30 °C (optimum 25 °C, doubling time 24 h) and a pH range of 5.8-7.0 (optimum pH 6.4) in the presence of NaCl at a range of 1.0-4.0 % (optimum 2.75 %). The isolate was a microaerophilic, strict chemolithoautotroph capable of growing using ferrous iron and molecular oxygen (O2) as the sole electron donor and acceptor, respectively; carbon dioxide as the sole carbon source; and either ammonium or nitrate as the sole nitrogen source...
October 20, 2016: Archives of Microbiology
Ying Qiao, Yong Mao, Jun Wang, Ruanni Chen, Yong-Quan Su, Jia Chen, Wei-Qiang Zheng
The white-spot disease caused by marine ciliate Cryptocryon irritans hindered the sustainable development of large yellow croaker Larimichthys crocea industry. Better understandings about the parasite-host interactions in the molecular level will facilitate the prevention of mass mortality of the L. crocea caused by white-spot disease. MicroRNAs (miRNAs) are a class of small RNA molecules about 20-22 nucleotides which post-transcriptionally regulated many protein-coding genes and involved in many biological processes, especially in host-pathogen responses...
October 17, 2016: Fish & Shellfish Immunology
J Y Wang, Y Xia, C C Yang, Z Wang
Objective: To analysis the important genes and functions of cochlear hair cells with oxidative stress injury, by the construction of gene regulatory network which based on different miRNA in cochlear hair cells in vitro with oxidative stress injury, and to explore the molecular mechanisms of deafness based on oxidative stress injury. Method: The oxidative stress damage cochlear hair cell model was induced by 200 μmol/L t-BHP exposure in vitro. Small RNA deep sequencing analyzed the difference expression of miRNA and contructed gene regulatory network by 6 most significant difference miRNA...
October 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Jiangming Sun, Yang De Marinis, Peter Osmark, Pratibha Singh, Annika Bagge, Bérengère Valtat, Petter Vikman, Peter Spégel, Hindrik Mulder
RNA editing is a post-transcriptional alteration of RNA sequences that, via insertions, deletions or base substitutions, can affect protein structure as well as RNA and protein expression. Recently, it has been suggested that RNA editing may be more frequent than previously thought. A great impediment, however, to a deeper understanding of this process is the paramount sequencing effort that needs to be undertaken to identify RNA editing events. Here, we describe an in silico approach, based on machine learning, that ameliorates this problem...
2016: PloS One
Kai Tang, Yujie Yang, Dan Lin, Shuhui Li, Wenchu Zhou, Yu Han, Keshao Liu, Nianzhi Jiao
Roseobacter clade bacteria are ubiquitous in marine environments and now thought to be significant contributors to carbon and sulfur cycling. However, only a few strains of roseobacters have been isolated from the deep-sea water column and have not been thoroughly investigated. Here, we present the complete genomes of phylogentically closed related Thiobacimonas profunda JLT2016 and Pelagibaca abyssi JLT2014 isolated from deep-sea water of the Southeastern Pacific. The genome sequences showed that the two deep-sea roseobacters carry genes for versatile metabolisms with functional capabilities such as ribulose bisphosphate carboxylase-mediated carbon fixation and inorganic sulfur oxidation...
October 20, 2016: Scientific Reports
Aleksandra Biedrzycka, Alvaro Sebastian, Magdalena Migalska, Helena Westerdahl, Jacek Radwan
Characterisation of highly duplicated genes, such as genes of the major histocompatibility complex (MHC), where multiple loci often co-amplify, has until recently been hindered by insufficient read depths per amplicon. Here we used ultra-deep Illumina sequencing to resolve genotypes at exon 3 of MHC class I genes in the sedge warbler (Acrocephalus schoenobaenus). We sequenced 24 individuals in two replicates and used this data, as well as a simulated dataset, to test the effect of amplicon coverage (range: 500-20 000 reads per amplicon) on the repeatability of genotyping using four different genotyping approaches...
October 19, 2016: Molecular Ecology Resources
Azam Moshtaghi, Md Lifat Rahi, Viet Tuan Nguyen, Peter B Mather, David A Hurwood
BACKGROUND: Understanding the genomic basis of osmoregulation (candidate genes and/or molecular mechanisms controlling the phenotype) addresses one of the fundamental questions in evolutionary ecology. Species distributions and adaptive radiations are thought to be controlled by environmental salinity levels, and efficient osmoregulatory (ionic balance) ability is the main mechanism to overcome the problems related to environmental salinity gradients. METHODS: To better understand how osmoregulatory performance in freshwater (FW) crustaceans allow individuals to acclimate and adapt to raised salinity conditions, here we (i), reviewed the literature on genes that have been identified to be associated with osmoregulation in FW crustaceans, and (ii), performed a transcriptomic analysis using cDNA libraries developed from mRNA isolated from three important osmoregulatory tissues (gill, antennal gland, hepatopancreas) and total mRNA from post larvae taken from the freshwater prawn, Macrobrachium australiense using Illumina deep sequencing technology...
2016: PeerJ
Nhu Nguyen, Else C Vellinga, Thomas D Bruns, Peter Kennedy
The genus Suillus represents one of the most recognizable groups of mushrooms in conifer forests throughout the Northern Hemisphere. Although for decades the genus has been relatively well defined morphologically, previous molecular phylogenetic assessments have provided important yet preliminary insights into its evolutionary history. Here we present the first large-scale phylogenetic study of the boundaries of each species in the genus Suillus based on the most current internal transcribed spacer (ITS) barcode sequences available in public databases, as well as sequencing of 224 vouchered specimens and cultures, 15 of which were type specimens from North America...
October 19, 2016: Mycologia
Lucille Arragain, Myrielle Dupont-Rouzeyrol, Olivia O'Connor, Nathalie Sigur, Jean-Paul Grangeon, Emilie Huguon, Clothilde Dechanet, Cécile Cazorla, Ann-Claire Gourinat, Elodie Descloux
: We investigated 10 mother-newborn pairs and found a 90% rate of dengue virus (DENV) transmission during the perinatal period. Here, we describe DENV kinetics in the sera of newborns before the onset of disease. Of the breast-milk samples analyzed, 75% tested positive for DENV. BACKGROUND: Dengue is the most common mosquito-borne viral disease in humans. With this study, we aimed to investigate the risk of vertical (DENV) transmission during the peripartum period and to describe its viral kinetics in serum and breast milk...
October 19, 2016: Journal of the Pediatric Infectious Diseases Society
Janine Kamke, Sandra Kittelmann, Priya Soni, Yang Li, Michael Tavendale, Siva Ganesh, Peter H Janssen, Weibing Shi, Jeff Froula, Edward M Rubin, Graeme T Attwood
BACKGROUND: Enteric fermentation by farmed ruminant animals is a major source of methane and constitutes the second largest anthropogenic contributor to global warming. Reducing methane emissions from ruminants is needed to ensure sustainable animal production in the future. Methane yield varies naturally in sheep and is a heritable trait that can be used to select animals that yield less methane per unit of feed eaten. We previously demonstrated elevated expression of hydrogenotrophic methanogenesis pathway genes of methanogenic archaea in the rumens of high methane yield (HMY) sheep compared to their low methane yield (LMY) counterparts...
October 19, 2016: Microbiome
Jinghua Wu, Shan Jia, Changxi Wang, Wei Zhang, Sixi Liu, Xiaojing Zeng, Huirong Mai, Xiuli Yuan, Yuanping Du, Xiaodong Wang, Xueyu Hong, Xuemei Li, Feiqiu Wen, Xun Xu, Jianhua Pan, Changgang Li, Xiao Liu
Acute B lymphoblastic leukemia (B-ALL) is one of the most common types of childhood cancer worldwide and chemotherapy is the main treatment approach. Despite good response rates to chemotherapy regiments, many patients eventually relapse and minimal residual disease (MRD) is the leading risk factor for relapse. The evolution of leukemic clones during disease development and treatment may have clinical significance. In this study, we performed immunoglobulin heavy chain (IGH) repertoire high throughput sequencing (HTS) on the diagnostic and post-treatment samples of 51 pediatric B-ALL patients...
2016: Frontiers in Immunology
Joost T P Verhoeven, Alana N Kavanagh, Suzanne C Dufour
The Cladorhizidae is a unique family of carnivorous marine sponges characterized by either the absence or reduction of the aquiferous system and by the presence of specialized structures to trap and digest mesoplanktonic prey. Previous studies have postulated a key role of host-associated bacteria in enabling carnivory in this family of sponges. In this study, we employed high-throughput Illumina based sequencing to identify the bacterial community associated with four individuals of the deep-sea sponge Chondrocladia grandis sampled in the Gulf of Maine...
October 17, 2016: FEMS Microbiology Ecology
Lei Wei, Antonios Papanicolau-Sengos, Song Liu, Jianmin Wang, Jeffrey M Conroy, Sean T Glenn, Elizabeth Brese, Qiang Hu, Kiersten Marie Miles, Blake Burgher, Maochun Qin, Karen Head, Angela R Omilian, Wiam Bshara, John Krolewski, Donald L Trump, Candace S Johnson, Carl D Morrison
BACKGROUND: The rapid adoption of next-generation sequencing provides an efficient system for detecting somatic alterations in neoplasms. The detection of such alterations requires a matched non-neoplastic sample for adequate filtering of non-somatic events such as germline polymorphisms. Non-neoplastic tissue adjacent to the excised neoplasm is often used for this purpose as it is simultaneously collected and generally contains the same tissue type as the neoplasm. Following NGS analysis, we and others have frequently observed low-level somatic mutations in these non-neoplastic tissues, which may impose additional challenges to somatic mutation detection as it complicates germline variant filtering...
October 19, 2016: BMC Medical Genomics
Sebastian Hutchinson, Lucy Glover, David Horn
BACKGROUND: African trypanosomes cause lethal diseases in humans and animals and escape host immune attack by switching the expression of Variant Surface Glycoprotein (VSG) genes. The expressed VSGs are located at the ends of telomeric, polycistronic transcription units known as VSG expression sites (VSG-ESs). Each cell has many VSG-ESs but only one is transcribed in bloodstream-form parasites and all of them are inactive upon transmission to the insect vector mid-gut; a subset of monocistronic metacyclic VSG-ESs are then activated in the insect salivary gland...
October 18, 2016: BMC Genomics
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