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https://www.readbyqxmd.com/read/28212448/hepatic-transcriptome-analysis-and-identification-of-differentially-expressed-genes-response-to-dietary-oxidized-fish-oil-in-loach-misgurnus-anguillicaudatus
#1
Yin Zhang, Yang Li, Xiao Liang, Xiaojuan Cao, Longfei Huang, Jie Yan, Yanxing Wei, Jian Gao
RNA sequencing and short-read assembly were utilized to produce a transcriptome of livers from loaches (Misgurnus anguillicaudatus) fed with three different diets respectively containing fresh fish oil (FO group), medium oxidized fish oil (MO group) and high oxidized fish oil (HO group). A total of 60,663 unigenes were obtained in this study, with mean length 848.74 bp. 50,814, 49,584 and 49,814 unigenes were respectively obtained from FO, MO and HO groups. There were 2,343 differentially expressed genes between FO and MO, with 855 down- and 1,488 up-regulated genes in the MO group...
2017: PloS One
https://www.readbyqxmd.com/read/28212428/a-novel-hemagglutinin-protein-produced-in-bacteria-protects-chickens-against-h5n1-highly-pathogenic-avian-influenza-viruses-by-inducing-h5-subtype-specific-neutralizing-antibodies
#2
Violetta Sączyńska, Agnieszka Romanik, Katarzyna Florys, Violetta Cecuda-Adamczewska, Małgorzata Kęsik-Brodacka, Krzysztof Śmietanka, Monika Olszewska, Katarzyna Domańska-Blicharz, Zenon Minta, Bogusław Szewczyk, Grażyna Płucienniczak, Andrzej Płucienniczak
The highly pathogenic (HP) H5N1 avian influenza viruses (AIVs) cause a mortality rate of up to 100% in infected chickens and pose a permanent pandemic threat. Attempts to obtain effective vaccines against H5N1 HPAIVs have focused on hemagglutinin (HA), an immunodominant viral antigen capable of eliciting neutralizing antibodies. The vast majority of vaccine projects have been performed using eukaryotic expression systems. In contrast, we used a bacterial expression system to produce vaccine HA protein (bacterial HA) according to our own design...
2017: PloS One
https://www.readbyqxmd.com/read/28212420/transcriptome-using-illumina-sequencing-reveals-the-traits-of-spermatogenesis-and-developing-testes-in-eriocheir-sinensis
#3
Gen-Liang Li, Hui Qian
Chinese mitten crab (Eriocheir sinensis) has the spermatozoa with typical aflagellate, decondensed chromatin, cup-shaped nuclei, and radial arms. However, the mechanism of spermatogenesis during which the specific spermatozoa are generated in this species is yet unclear. Here, the transcriptome of developing testis in E. sinensis was analyzed using the ways of RNA-seq and bioinformatics analysis to identify candidate genes potentially involved in development of testis and spermatogenesis. The Illumina HiSeq2500 sequencing of three replicons of samples produced a total of 145...
2017: PloS One
https://www.readbyqxmd.com/read/28212394/de-novo-transcriptome-analysis-and-microsatellite-marker-development-for-population-genetic-study-of-a-serious-insect-pest-rhopalosiphum-padi-l-hemiptera-aphididae
#4
Xinle Duan, Kang Wang, Sha Su, Ruizheng Tian, Yuting Li, Maohua Chen
The bird cherry-oat aphid, Rhopalosiphum padi (L.), is one of the most abundant aphid pests of cereals and has a global distribution. Next-generation sequencing (NGS) is a rapid and efficient method for developing molecular markers. However, transcriptomic and genomic resources of R. padi have not been investigated. In this study, we used transcriptome information obtained by RNA-Seq to develop polymorphic microsatellites for investigating population genetics in this species. The transcriptome of R. padi was sequenced on an Illumina HiSeq 2000 platform...
2017: PloS One
https://www.readbyqxmd.com/read/28212376/the-legionella-pneumophila-genome-evolved-to-accommodate-multiple-regulatory-mechanisms-controlled-by-the-csra-system
#5
Tobias Sahr, Christophe Rusniok, Francis Impens, Giulia Oliva, Odile Sismeiro, Jean-Yves Coppée, Carmen Buchrieser
The carbon storage regulator protein CsrA regulates cellular processes post-transcriptionally by binding to target-RNAs altering translation efficiency and/or their stability. Here we identified and analyzed the direct targets of CsrA in the human pathogen Legionella pneumophila. Genome wide transcriptome, proteome and RNA-Co-immunoprecipitaion followed by deep sequencing of a wild type and a csrA mutant strain identified 479 RNAs with potential CsrA interaction sites located in the untranslated and/or coding regions of mRNAs or of known non-coding sRNAs...
February 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28212298/prevalence-and-clinical-impact-of-human-pegivirus-1-infection-in-hiv-1-infected-individuals-in-yunnan-china
#6
Zhijiang Miao, Li Gao, Yindi Song, Ming Yang, Mi Zhang, Jincheng Lou, Yue Zhao, Xicheng Wang, Yue Feng, Xingqi Dong, Xueshan Xia
Human Pegivirus-1 (HPgV-1) may have a beneficial impact on disease progression in human immunodeficiency virus-1 (HIV-1) infection. However, analysis of the genotypic diversity of HPgV-1 and its relevance to the progression of HIV-1 disease remains limited. A total of 1062 HIV-1-infected individuals were recruited in all sixteen prefectures of Yunnan province, China. The reverse transcription nested polymerase chain reaction (RT-nPCR), phylogenetic analyses, and clinical data analyses were used to detect HPgV-1 infection, determine genotype, and analyze HPgV-1 genotype impact on HIV-1 disease progression...
February 15, 2017: Viruses
https://www.readbyqxmd.com/read/28212285/transcriptomic-analysis-reveals-selective-metabolic-adaptation-of-streptococcus-suis-to-porcine-blood-and-cerebrospinal-fluid
#7
Anna Koczula, Michael Jarek, Christian Visscher, Peter Valentin-Weigand, Ralph Goethe, Jörg Willenborg
Streptococcus suis is a zoonotic pathogen that can cause severe pathologies such as septicemia and meningitis in its natural porcine host as well as in humans. Establishment of disease requires not only virulence of the infecting strain but also an appropriate metabolic activity of the pathogen in its host environment. However, it is yet largely unknown how the streptococcal metabolism adapts to the different host niches encountered during infection. Our previous isotopologue profiling studies on S. suis grown in porcine blood and cerebrospinal fluid (CSF) revealed conserved activities of central carbon metabolism in both body fluids...
February 15, 2017: Pathogens
https://www.readbyqxmd.com/read/28211892/high-throughput-in-situ-cell-electroporation-microsystem-for-parallel-delivery-of-single-guide-rnas-into-mammalian-cells
#8
Shengtai Bian, Yicen Zhou, Yawei Hu, Jing Cheng, Xiaofang Chen, Youchun Xu, Peng Liu
Arrayed genetic screens mediated by the CRISPR/Cas9 technology with single guide RNA (sgRNA) libraries demand a high-throughput platform capable of transfecting diverse cell types at a high efficiency in a genome-wide scale for detection and analysis of sophisticated cellular phenotypes. Here we developed a high-throughput in situ cell electroporation (HiCEP) microsystem which leveraged the superhydrophobic feature of the microwell array to achieve individually controlled conditions in each microwell and coupled an interdigital electrode array chip with the microwells in a modular-based scheme for highly efficient delivery of exogenous molecules into cells...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211871/expression-level-is-a-key-determinant-of-e2f1-mediated-cell-fate
#9
Igor Shats, Michael Deng, Adam Davidovich, Carolyn Zhang, Jungeun S Kwon, Dinesh Manandhar, Raluca Gordân, Guang Yao, Lingchong You
The Rb/E2F network has a critical role in regulating cell cycle progression and cell fate decisions. It is dysfunctional in virtually all human cancers, because of genetic lesions that cause overexpression of activators, inactivation of repressors, or both. Paradoxically, the downstream target of this network, E2F1, is rarely strongly overexpressed in cancer. E2F1 can induce both proliferation and apoptosis but the factors governing these critical cell fate decisions remain unclear. Previous studies have focused on qualitative mechanisms such as differential cofactors, posttranslational modification or state of other signaling pathways as modifiers of the cell fate decisions downstream of E2F1 activation...
February 17, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28211525/focus-on-pna-flexibility-and-rna-binding-using-molecular-dynamics-and-metadynamics
#10
Massimiliano Donato Verona, Vincenzo Verdolino, Ferruccio Palazzesi, Roberto Corradini
Peptide Nucleic Acids (PNAs) can efficiently target DNA or RNA acting as chemical tools for gene regulation. Their backbone modification and functionalization is often used to increase the affinity for a particular sequence improving selectivity. The understanding of the trading forces that lead the single strand PNA to bind the DNA or RNA sequence is preparatory for any further rational design, but a clear and unique description of this process is still not complete. In this paper we report further insights into this subject, by a computational investigation aiming at the characterization of the conformations of a single strand PNA and how these can be correlated to its capability in binding DNA/RNA...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211111/regulation-of-nrf-operon-expression-in-pathogenic-enteric-bacteria-sequence-divergence-reveals-new-regulatory-complexity
#11
Rita E Godfrey, David J Lee, Stephen J W Busby, Douglas F Browning
The Escherichia coli K-12 nrf operon encodes a periplasmic nitrite reductase, the expression of which is driven from a single promoter, pnrf. Expression from pnrf is activated by the FNR transcription factor in response to anaerobiosis and further increased in response to nitrite by the response regulator proteins, NarL and NarP. FNR-dependent transcription is suppressed by the binding of two nucleoid associated proteins, IHF and Fis. As Fis levels increase in cells grown in rich medium, the positioning of its binding site, overlapping the promoter -10 element, ensures that pnrf is sharply repressed...
February 17, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28210977/genetic-characterization-of-adenoid-cystic-carcinoma-of-the-minor-salivary-glands-a-potential-familial-occurrence-in-first-degree-relatives
#12
Hani Ibrahim Channir, Thomas van Overeem Hansen, Simon Andreasen, Christina Westmose Yde, Katalin Kiss, Birgitte Wittenborg Charabi
Adenoid cystic carcinoma (AdCC) is a malignant salivary gland tumor. To date, no cases of AdCC in first-degree relatives have been reported in the literature. We present a 50-year-old female (Case 1) and this patients' father (Case 2), both of whom were diagnosed with AdCC of the minor salivary glands. Histology of Case 1 demonstrated a tubulocribriform AdCC whereas Case 2 primarily was an AdCC of solid type. Both cases harbored the MYB-NFIB gene fusion as demonstrated by FISH and RNA-sequencing. After filtering and selection of putative deleterious variants, whole exome sequencing identified 18 germline variants in common between Case 1 and Case 2...
February 16, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28210664/fibronectin-and-androgen-receptor-expression-data-in-prostate-cancer-obtained-from-a-rna-sequencing-bioinformatics-analysis
#13
Dibash K Das, Thahmina Ali, Konstantinos Krampis, Olorunseun O Ogunwobi
Prostate cancer is the second most commonly diagnosed male cancer in the world. The molecular mechanisms underlying its development and progression are still unclear. Here we show analysis of a prostate cancer RNA-sequencing dataset that was originally generated by Ren et al. [3] from the prostate tumor and adjacent normal tissues of 14 patients. The data presented here was analyzed using our RNA-sequencing bioinformatics analysis pipeline implemented on the bioinformatics web platform, Galaxy. The relative expression of fibronectin (FN1) and the androgen receptor (AR) were calculated in fragments per kilobase of transcript per million mapped reads, and represented in FPKM unit...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28210624/rna-sequencing-analysis-reveals-interactions-between-breast-cancer-or-melanoma-cells-and-the-tissue-microenvironment-during-brain-metastasis
#14
Ryo Sato, Teppei Nakano, Mari Hosonaga, Oltea Sampetrean, Ritsuko Harigai, Takashi Sasaki, Ikuko Koya, Hideyuki Okano, Jun Kudoh, Hideyuki Saya, Yoshimi Arima
Metastasis is the main cause of treatment failure and death in cancer patients. Metastasis of tumor cells to the brain occurs frequently in individuals with breast cancer, non-small cell lung cancer, or melanoma. Despite recent advances in our understanding of the causes and in the treatment of primary tumors, the biological and molecular mechanisms underlying the metastasis of cancer cells to the brain have remained unclear. Metastasizing cancer cells interact with their microenvironment in the brain to establish metastases...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210265/rna-seq-of-guar-cyamopsis-tetragonoloba-l-taub-leaves-de-novo-transcriptome-assembly-functional-annotation-and-development-of-genomic-resources
#15
Umesh K Tanwar, Vikas Pruthi, Gursharn S Randhawa
Genetic improvement in industrially important guar (Cyamopsis tetragonoloba, L. Taub.) crop has been hindered due to the lack of sufficient genomic or transcriptomic resources. In this study, RNA-Seq technology was employed to characterize the transcriptome of leaf tissues from two guar varieties, namely, M-83 and RGC-1066. Approximately 30 million high-quality pair-end reads of each variety generated by Illumina HiSeq platform were used for de novo assembly by Trinity program. A total of 62,146 non-redundant unigenes with an average length of 679 bp were obtained...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28209895/seagrass-ecosystems-reduce-exposure-to-bacterial-pathogens-of-humans-fishes-and-invertebrates
#16
Joleah B Lamb, Jeroen A J M van de Water, David G Bourne, Craig Altier, Margaux Y Hein, Evan A Fiorenza, Nur Abu, Jamaluddin Jompa, C Drew Harvell
Plants are important in urban environments for removing pathogens and improving water quality. Seagrass meadows are the most widespread coastal ecosystem on the planet. Although these plants are known to be associated with natural biocide production, they have not been evaluated for their ability to remove microbiological contamination. Using amplicon sequencing of the 16S ribosomal RNA gene, we found that when seagrass meadows are present, there was a 50% reduction in the relative abundance of potential bacterial pathogens capable of causing disease in humans and marine organisms...
February 17, 2017: Science
https://www.readbyqxmd.com/read/28209837/genome-sequence-of-a-genotype-2-hepatitis-e-virus-world-health-organization-reference-strain
#17
Marco Kaiser, Saleem Kamili, Tonya Hayden, Johannes Blümel, Sally A Baylis
We report here the sequence of a genotype 2a reference strain of hepatitis E virus (HEV), developed on behalf of the World Health Organization. The HEV reference strain is intended for use in assays based on nucleic acid amplification for the validation of HEV RNA detection.
February 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28209810/genome-sequence-of-southern-tomato-virus-in-asymptomatic-tomato-sweet-hearts
#18
Ricardo I Alcalá-Briseño, Sevgi Coşkan, Maria A Londoño, Jane E Polston
The genome sequence of Southern tomato virus in asymptomatic Solanum lycopersicum 'Sweet Hearts' (STV-Florida) in Florida was assembled from small RNAs sequenced by Illumina RNA-seq. The STV-Florida genome shared 99.0 to 99.9% similarity with full genome sequences from Bangladesh, China, Mexico, and the United States (Mississippi and North Carolina).
February 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28209772/maternal-smoke-exposure-decreases-mesenchymal-proliferation-and-modulates-rho-gtpase-dependent-actin-cytoskeletal-signaling-in-fetal-lungs
#19
Uchenna Unachukwu, Jordis Trischler, Monica Goldklang, Rui Xiao, Jeanine D'Armiento
The present study tested the hypothesis that maternal smoke exposure results in fetal lung growth retardation due to dysregulation in various signaling pathways, including the Wnt (wingless-related integration site)/β-catenin pathway. Pregnant female C57BL/6J mice were exposed to cigarette smoke (100-150 mg/m(3)) or room air, and offspring were humanely killed on 12.5, 14.5, 16.5, and 18.5 d post coitum (dpc). We assessed lung stereology with Cavalieri estimation; apoptosis with proliferating cell nuclear antigen, TUNEL, and caspase assays; and gene expression with quantitative PCR (qPCR) and RNA sequencing on lung epithelium and mesenchyme retrieved by laser capture microdissection...
February 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28209552/detection-of-giardia-duodenalis-assemblage-e-infections-at-the-tibetan-plateau-area-yaks-are-suitable-hosts
#20
Wang Guang-Hua, Wang Ge-Ping, Li Xiu-Ping, Ma Li-Qing, Gabriele Karanis, Eleni Christodoulou-Vafeiadou, Panagiotis Karanis
The prevalence of Giardia duodenalis (G. duodenalis) assemblages in yaks is poorly known. The present study examined 297 fecal samples from weaned yak, 4 to 7 months of age, from 3 different farms, in Tibetan Plateau Area (TPA) of the Qinghai Province in Western China. The prevalence of infection was determined by light and immunofluorescence microscopy, and nested-PCR. PCR was performed for the small subunit ribosomal RNA (SSU) amplified 16 positive for G. duodenalis products. The prevalence of Giardia species was 5...
February 13, 2017: Acta Tropica
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