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https://www.readbyqxmd.com/read/28931084/barcoding-snakeheads-teleostei-channidae-revisited-discovering-greater-species-diversity-and-resolving-perpetuated-taxonomic-confusions
#1
Cecilia Conte-Grand, Ralf Britz, Neelesh Dahanukar, Rajeev Raghavan, Rohan Pethiyagoda, Heok Hui Tan, Renny K Hadiaty, Norsham S Yaakob, Lukas Rüber
Snakehead fishes of the family Channidae are predatory freshwater teleosts from Africa and Asia comprising 38 valid species. Snakeheads are important food fishes (aquaculture, live food trade) and have been introduced widely with several species becoming highly invasive. A channid barcode library was recently assembled by Serrao and co-workers to better detect and identify potential and established invasive snakehead species outside their native range. Comparing our own recent phylogenetic results of this taxonomically confusing group with those previously reported revealed several inconsistencies that prompted us to expand and improve on previous studies...
2017: PloS One
https://www.readbyqxmd.com/read/28931082/barcoding-atlantic-canada-s-mesopelagic-and-upper-bathypelagic-marine-fishes
#2
Ellen L Kenchington, Shauna M Baillie, Trevor J Kenchington, Paul Bentzen
DNA barcode sequences were developed from 557 mesopelagic and upper bathypelagic teleost specimens collected in waters off Atlantic Canada. Confident morphological identifications were available for 366 specimens, of 118 species and 93 genera, which yielded 328 haplotypes. Five of the species were novel to the Barcode of Life Database (BOLD). Most of the 118 species conformed to expectations of monophyly and the presence of a "barcode gap", though some known weaknesses in existing taxonomy were confirmed and a deficiency in published keys was revealed...
2017: PloS One
https://www.readbyqxmd.com/read/28928727/composted-cattle-manure-increases-microbial-activity-and-soil-fertility-more-than-composted-swine-manure-in-a-submerged-rice-paddy
#3
Suvendu Das, Seung Tak Jeong, Subhasis Das, Pil Joo Kim
Livestock waste composts with minimum inorganic fertilizer as a soil amendment in low-input intensive farming are a feasible agricultural practice to improve soil fertility and productivity and to mitigate soil degradation. The key benefits of the practice rely on the activities of soil microorganisms. However, the role of different livestock composts [composted cattle manure (CCM) vs. composted swine manure (CSM)] on soil microbes, their activities and the overall impact on soil fertility and productivity in a flooded paddy remains elusive...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28928474/using-experimental-evolution-to-identify-druggable-targets-that-could-inhibit-the-evolution-of-antimicrobial-resistance
#4
Heer H Mehta, Amy G Prater, Yousif Shamoo
With multi-drug and pan-drug-resistant bacteria becoming increasingly common in hospitals, antibiotic resistance has threatened to return us to a pre-antibiotic era that would completely undermine modern medicine. There is an urgent need to develop new antibiotics and strategies to combat resistance that are substantially different from earlier drug discovery efforts. One such strategy that would complement current and future antibiotics would be a class of co-drugs that target the evolution of resistance and thereby extend the efficacy of specific classes of antibiotics...
September 20, 2017: Journal of Antibiotics
https://www.readbyqxmd.com/read/28928453/molecular-characterization-of-emaraviruses-associated-with-pigeonpea-sterility-mosaic-disease
#5
Surender Kumar, B L Subbarao, Vipin Hallan
Sterility Mosaic Disease (SMD) of pigeonpea (Cajanus cajan (L.) Millspaugh) is a complex disease due to various factors including the presence of a mixed infection. Comparison of dsRNA profile and small RNA (sRNA) deep sequencing analysis of samples from three locations revealed the presence of Pigeonpea sterility mosaic virus-I and II (PPSMV-I and II) from Chevella and only PPSMV-II from Bengaluru and Coimbatore. PPSMV-I genome consisted of four while PPSMV-II encompassed six RNAs. The two viruses have modest sequence homology between their corresponding RNA 1-4 encoding RdRp, glycoprotein precursor, nucleocapsid and movement proteins and the corresponding orthologs of other emaraviruses...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28928365/multiple-genome-constellations-of-similar-and-distinct-influenza-a-viruses-co-circulate-in-pigs-during-epidemic-events
#6
Andres Diaz, Douglas Marthaler, Cesar Corzo, Claudia Muñoz-Zanzi, Srinand Sreevatsan, Marie Culhane, Montserrat Torremorell
Swine play a key role in the ecology and transmission of influenza A viruses (IAVs) between species. However, the epidemiology and diversity of swine IAVs is not completely understood. In this cohort study, we sampled on a weekly basis 132 3-week old pigs for 15 weeks. We found two overlapping epidemic events of infection in which most pigs (98.4%) tested PCR positive for IAVs. The prevalence rate of infection ranged between 0 and 86% per week and the incidence density ranged between 0 and 71 cases per 100 pigs-week...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28928035/molecular-analysis-of-three-clostridium-difficile-strain-genomes-isolated-from-pig-farm-related-samples
#7
I Martín-Burriel, S Andrés-Lasheras, F Harders, R C Mainar-Jaime, B Ranera, P Zaragoza, V Falceto, Y Bolea, E Kuijper, R Bolea, A Bossers, M Chirino-Trejo
Clostridium difficile is an anaerobic spore-forming bacillus that usually causes gastrointestinal disorders in man and other animal species. Most of the strains isolated from animals are toxigenic being the virulent ribotype (RT) 078 predominant in several animal species. Although C. difficile is pathogenic to both humans and animals, there is no direct evidence of zoonosis. Deep genome sequencing provides sufficient resolution to analyse which strains found in animals might be related to human pathogens. So far, there are only a few fully sequenced genomes of C...
September 16, 2017: Anaerobe
https://www.readbyqxmd.com/read/28927585/whole-genome-and-transcriptome-sequencing-of-prostate-cancer-identify-new-genetic-alterations-driving-disease-progression
#8
Shancheng Ren, Gong-Hong Wei, Dongbing Liu, Liguo Wang, Yong Hou, Shida Zhu, Lihua Peng, Qin Zhang, Yanbing Cheng, Hong Su, Xiuqing Zhou, Jibin Zhang, Fuqiang Li, Hancheng Zheng, Zhikun Zhao, Changjun Yin, Zengquan He, Xin Gao, Haiyen E Zhau, Chia-Yi Chu, Jason Boyang Wu, Colin Collins, Stanislav V Volik, Robert Bell, Jiaoti Huang, Kui Wu, Danfeng Xu, Dingwei Ye, Yongwei Yu, Lianhui Zhu, Meng Qiao, Hang-Mao Lee, Yuehong Yang, Yasheng Zhu, Xiaolei Shi, Rui Chen, Yang Wang, Weidong Xu, Yanqiong Cheng, Chuanliang Xu, Xu Gao, Tie Zhou, Bo Yang, Jianguo Hou, Li Liu, Zhensheng Zhang, Yao Zhu, Chao Qin, Pengfei Shao, Jun Pang, Leland W K Chung, Jianfeng Xu, Chin-Lee Wu, Weide Zhong, Xun Xu, Yingrui Li, Xiuqing Zhang, Jian Wang, Huanming Yang, Jun Wang, Haojie Huang, Yinghao Sun
BACKGROUND: Global disparities in prostate cancer (PCa) incidence highlight the urgent need to identify genomic abnormalities in prostate tumors in different ethnic populations including Asian men. OBJECTIVE: To systematically explore the genomic complexity and define disease-driven genetic alterations in PCa. DESIGN, SETTING, AND PARTICIPANTS: The study sequenced whole-genome and transcriptome of tumor-benign paired tissues from 65 treatment-naive Chinese PCa patients...
September 15, 2017: European Urology
https://www.readbyqxmd.com/read/28926599/experimental-colitis-delays-and-reduces-the-severity-of-collagen-induced-arthritis-in-mice
#9
Julie Hablot, Laurent Peyrin-Biroulet, Tunay Kokten, Reine El Omar, Patrick Netter, Claire Bastien, Jean-Yves Jouzeau, Harry Sokol, David Moulin
Amongst extraintestinal manifestations (EIM) occurring in IBD patients, rheumatologic manifestations are the most frequent. Understanding the relationships between arthritis and colitis is a prerequisite to improving the management of these patients. Microbiota of patients with IBD or rheumatologic diseases, like spondyloarthritis (SpA) is modified compared to healthy individual. Thus, we have evaluated the impact of colitis in the development of arthritis in mice and we have analyzed microbiota changes. Collagen-induced arthritis (CIA) was induced at day 0 in DBA1 mice exposed or not to Dextran Sodium Sulfate (DSS) to induce colitis between day 14 and day 21...
2017: PloS One
https://www.readbyqxmd.com/read/28926139/the-synonymous-nucleotide-substitution-rhd-1056c-g-alters-mrna-splicing-associated-with-serologically-weak-d-phenotype
#10
Sejong Chun, Jae Won Yun, Geon Park, Duck Cho
BACKGROUND: D antigen is one of the most clinically significant blood group antigens. Variation of the RHD gene can cause weak D or partial D phenotypes. While most variations are missense substitutions with amino acid changes, those without are called "silent" or "synonymous" substitutions. Synonymous substitutions often have little effect on the protein, not altering the phenotype. However, effect on splicing can affect end-product protein. We report a new synonymous variation, RHD 1056C>G, that resulted in weak D phenotype, and predicted its effect with various in silico methods...
September 19, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28924241/clinical-impact-of-the-subclonal-architecture-and-mutational-complexity-in-chronic-lymphocytic-leukemia
#11
F Nadeu, G Clot, J Delgado, D Martín-García, T Baumann, I Salaverria, S Beà, M Pinyol, P Jares, A Navarro, H Suárez-Cisneros, M Aymerich, M Rozman, N Villamor, D Colomer, M González, M Alcoceba, M J Terol, B Navarro, E Colado, Á R Payer, X S Puente, C López-Otín, A López-Guillermo, A Enjuanes, E Campo
Genome studies of chronic lymphocytic leukemia (CLL) have revealed the remarkable subclonal heterogeneity of the tumors, but the clinical implications of this phenomenon are not well known. We assessed the mutational status of 28 CLL driver genes by deep-targeted next-generation sequencing and copy number alterations (CNA) in 406 previously untreated patients and 48 sequential samples. We detected small subclonal mutations (0.6-25% of cells) in nearly all genes (26/28), and they were the sole alteration in 22% of the mutated cases...
September 19, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28923287/aberrant-expression-of-epithelial-leucine-rich-repeat-containing-g-protein-coupled-receptor-5-positive-cells-in-the-eutopic-endometrium-in-endometriosis-and-implications-in-deep-infiltrating-endometriosis
#12
Júlia Vallvé-Juanico, Elena Suárez-Salvador, Josep Castellví, Agustín Ballesteros, Hugh S Taylor, Antonio Gil-Moreno, Xavier Santamaria
OBJECTIVE: To characterize leucine-rich repeat containing G protein-coupled receptor 5-positive (LGR5(+)) cells from the endometrium of women with endometriosis. DESIGN: Prospective experimental study. SETTING: University hospital/fertility clinic. PATIENT(S): Twenty-seven women with endometriosis who underwent surgery and 12 healthy egg donors, together comprising 39 endometrial samples. INTERVENTION(S): Obtaining of uterine aspirates by using a Cornier Pipelle...
September 15, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28923071/characteristics-of-influenza-h13n8-subtype-virus-firstly-isolated-from-qinghai-lake-region-china
#13
Jie Dong, Hong Bo, Ye Zhang, Libo Dong, Shumei Zou, Weijuan Huang, Jia Liu, Dayan Wang, Yuelong Shu
BACKGROUND: Since the highly pathogenic H5N1 influenza caused thousands of deaths of wild bird in this area in 2005, Qinghai Lake in China has become a hot spot for study of the influence of avian influenza to migratory wild birds. However, the ecology and evolution of low pathogenic avian influenza virus in this region are limited. This project-based avian influenza surveillance in Qinghai lake region was initiated in year 2012. METHOD: Samples of wild bird feces and lake surface water were collected in Qinghai Lake in year 2012...
September 18, 2017: Virology Journal
https://www.readbyqxmd.com/read/28923002/deep-learning-methods-for-protein-torsion-angle-prediction
#14
Haiou Li, Jie Hou, Badri Adhikari, Qiang Lyu, Jianlin Cheng
BACKGROUND: Deep learning is one of the most powerful machine learning methods that has achieved the state-of-the-art performance in many domains. Since deep learning was introduced to the field of bioinformatics in 2012, it has achieved success in a number of areas such as protein residue-residue contact prediction, secondary structure prediction, and fold recognition. In this work, we developed deep learning methods to improve the prediction of torsion (dihedral) angles of proteins...
September 18, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28922346/grid-seq-reveals-the-global-rna-chromatin-interactome
#15
Xiao Li, Bing Zhou, Liang Chen, Lan-Tao Gou, Hairi Li, Xiang-Dong Fu
Higher eukaryotic genomes are bound by a large number of coding and non-coding RNAs, but approaches to comprehensively map the identity and binding sites of these RNAs are lacking. Here we report a method to capture in situ global RNA interactions with DNA by deep sequencing (GRID-seq), which enables the comprehensive identification of the entire repertoire of chromatin-interacting RNAs and their respective binding sites. In human, mouse, and Drosophila cells, we detected a large set of tissue-specific coding and non-coding RNAs that are bound to active promoters and enhancers, especially super-enhancers...
September 18, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28921927/fast-and-cost-effective-single-nucleotide-polymorphism-snp-detection-in-the-absence-of-a-reference-genome-using-semi-deep-next-generation-random-amplicon-sequencing-ramseq
#16
Helmut Bayerl, Robert H S Kraus, Carsten Nowak, Daniel W Foerster, Joerns Fickel, Ralph Kuehn
Biodiversity has suffered a dramatic global decline during the past decades and monitoring tools are urgently needed providing data for the development and evaluation of conservation efforts both on a species and a genetic level. However, in wild species the assessment of genetic diversity is often hampered by the lack of suitable genetic markers. In this article we present Random Amplicon Sequencing (RAMseq), a novel approach for fast and cost-effective detection of single nucleotide polymorphisms (SNPs) in non-model species by semi-deep sequencing of random amplicons...
September 15, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28919547/deep-sequencing-to-resolve-complex-diversity-of-apicomplexan-parasites-in-platypuses-and-echidnas-proof-of-principle-for-wildlife-disease-investigation
#17
Jan Šlapeta, Stefan Saverimuttu, Larry Vogelnest, Cheryl Sangster, Frances Hulst, Karrie Rose, Paul Thompson, Richard Whittington
The short-beaked echidna (Tachyglossus aculeatus) and the platypus (Ornithorhynchus anatinus) are iconic egg-laying monotremes (Mammalia: Monotremata) from Australasia. The aim of this study was to demonstrate the utility of diversity profiles in disease investigations of monotremes. Using small subunit (18S) rDNA amplicon deep-sequencing we demonstrated the presence of apicomplexan parasites and confirmed by direct and cloned amplicon gene sequencing Theileria ornithorhynchi, Theileria tachyglossi, Eimeria echidnae and Cryptosporidium fayeri...
September 12, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28918159/identification-of-circular-rna-in-the-bombyx-mori-silk-gland
#18
Huaiyan Gan, Tieshan Feng, Yuqian Wu, Chun Liu, Qingyou Xia, Tingcai Cheng
Bombyx mori is an economically important holometabolous lepidopteran insect. In B. mori endogenous noncoding RNAs such as microRNAs (miRNAs) and Piwi-interacting RNAs play crucial biological functions in metamorphosis and sex determination. In addition, circular RNAs (circRNAs) have been recently identified as noncoding RNAs in most common model organisms and show potential as gene regulators. However, to date, there have been few studies on the circRNAs present in the B. mori genome conducted to date. Here, we identified 3916 circRNAs by deep circular transcriptome sequencing using the silk gland of B...
September 14, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28918053/ush2a-gene-editing-using-the-crispr-system
#19
Carla Fuster-García, Gema García-García, Elisa González-Romero, Teresa Jaijo, María D Sequedo, Carmen Ayuso, Rafael P Vázquez-Manrique, José M Millán, Elena Aller
Usher syndrome (USH) is a rare autosomal recessive disease and the most common inherited form of combined visual and hearing impairment. Up to 13 genes are associated with this disorder, with USH2A being the most prevalent, due partially to the recurrence rate of the c.2299delG mutation. Excluding hearing aids or cochlear implants for hearing impairment, there are no medical solutions available to treat USH patients. The repair of specific mutations by gene editing is, therefore, an interesting strategy that can be explored using the CRISPR/Cas9 system...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28918033/six-highly-conserved-targets-of-rnai-revealed-in-hiv-1-infected-patients-from-russia-are-also-present-in-many-hiv-1-strains-worldwide
#20
Olga V Kretova, Daria M Fedoseeva, Maria A Gorbacheva, Natalya M Gashnikova, Maria P Gashnikova, Nataliya V Melnikova, Vladimir R Chechetkin, Yuri V Kravatsky, Nickolai A Tchurikov
RNAi has been suggested for use in gene therapy of HIV/AIDS, but the main problem is that HIV-1 is highly variable and could escape attack from the small interfering RNAs (siRNAs) due to even single nucleotide substitutions in the potential targets. To exhaustively check the variability in selected RNA targets of HIV-1, we used ultra-deep sequencing of six regions of HIV-1 from the plasma of two independent cohorts of patients from Russia. Six RNAi targets were found that are invariable in 82%-97% of viruses in both cohorts and are located inside the domains specifying reverse transcriptase (RT), integrase, vpu, gp120, and p17...
September 15, 2017: Molecular Therapy. Nucleic Acids
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