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https://www.readbyqxmd.com/read/28430964/metalims-a-simple-open-source-laboratory-information-management-system-for-small-metagenomic-labs
#1
Cassie Elizabeth Heinle, Nicolas Paul Eugène Gaultier, Dana Miller, Rikky Wenang Purbojati, Federico M Lauro
BACKGROUND: As the cost of sequencing continues to fall, smaller groups increasingly initiate and manage larger sequencing projects and take on the complexity of data storage for high volumes of samples. This has created a need for low-cost laboratory information management systems (LIMS) that contain flexible fields to accommodate the unique nature of individual labs. Many labs do not have a dedicated IT position, so LIMS must also be easy to setup and maintain with minimal technical proficiency...
April 18, 2017: GigaScience
https://www.readbyqxmd.com/read/28430168/classical-swine-fever-an-updated-review
#2
REVIEW
Sandra Blome, Christoph Staubach, Julia Henke, Jolene Carlson, Martin Beer
Classical swine fever (CSF) remains one of the most important transboundary viral diseases of swine worldwide. The causative agent is CSF virus, a small, enveloped RNA virus of the genus Pestivirus. Based on partial sequences, three genotypes can be distinguished that do not, however, directly correlate with virulence. Depending on both virus and host factors, a wide range of clinical syndromes can be observed and thus, laboratory confirmation is mandatory. To this means, both direct and indirect methods are utilized with an increasing degree of commercialization...
April 21, 2017: Viruses
https://www.readbyqxmd.com/read/28430006/evolutionary-changes-in-lamin-expression-in-the-vertebrate-lineage
#3
Reimer Stick, Annette Peter
The nuclear lamina is involved in fundamental nuclear functions and provides mechanical stability to the nucleus. Lamin filaments form a meshwork closely apposed to the inner nuclear membrane and a small fraction of lamins exist in the nuclear interior. Mutations in lamin genes cause severe hereditary diseases, the laminopathies. During vertebrate evolution the lamin protein family has expanded. While most vertebrate genomes contain four lamin genes, encoding the lamins A, B1, B2, and LIII, the majority of non-vertebrate genomes harbor only a single lamin gene...
April 21, 2017: Nucleus
https://www.readbyqxmd.com/read/28429321/euglena-transcript-processing
#4
David C McWatters, Anthony G Russell
RNA transcript processing is an important stage in the gene expression pathway of all organisms and is subject to various mechanisms of control that influence the final levels of gene products. RNA processing involves events such as nuclease-mediated cleavage, removal of intervening sequences referred to as introns and modifications to RNA structure (nucleoside modification and editing). In Euglena, RNA transcript processing was initially examined in chloroplasts because of historical interest in the secondary endosymbiotic origin of this organelle in this organism...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28428272/hur-small-molecule-inhibitor-elicits-differential-effects-in-adenomatosis-polyposis-and-colorectal-carcinogenesis
#5
Michaela Lang, David Berry, Katharina Passecker, Ildiko Mesteri, Sabin Bhuju, Florian Ebner, Vitaly Sedlyarov, Rayko Evstatiev, Kyle Dammann, Alexander Loy, Orest Kuzyk, Pavel Kovarik, Vineeta Khare, Martin Beibel, Guglielmo Roma, Nicole Meisner-Kober, Christoph Gasche
HuR is an RNA-binding protein implicated in immune homeostasis and various cancers, including colorectal cancer. HuR binding to AU-rich elements within the 3' untranslated region of mRNAs encoding oncogenes, growth factors, and various cytokines leads message stability and translation. In this study, we evaluated HuR as a small-molecule target for preventing colorectal cancer in high-risk groups such as those with familial adenomatosis polyposis (FAP) or inflammatory bowel disease (IBD). In human specimens, levels of cytoplasmic HuR were increased in colonic epithelial cells from patients with IBD, IBD-cancer, FAP-adenoma, and colorectal cancer, but not in patients with IBD-dysplasia...
February 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28427920/genome-improvement-of-the-acarbose-producer-actinoplanes-sp-se50-110-and-annotation-refinement-based-on-rna-seq-analysis
#6
Timo Wolf, Susanne Schneiker-Bekel, Armin Neshat, Vera Ortseifen, Daniel Wibberg, Till Zemke, Alfred Pühler, Jörn Kalinowski
Actinoplanes sp. SE50/110 is the natural producer of acarbose, which is used in the treatment of diabetes mellitus type II. However, until now the transcriptional organization and regulation of the acarbose biosynthesis is only understood rudimentarily. The genome sequence of Actinoplanes sp. SE50/110 was known before, but was resequenced in this study to remove assembly artifacts and incorrect base callings. The annotation of the genome was refined in a multi-step approach, including modern bioinformatic pipelines, transcriptome and proteome data...
April 17, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28426683/genome-wide-identification-and-characterization-of-mirnaome-from-tomato-solanum-lycopersicum-roots-and-root-knot-nematode-meloidogyne-incognita-during-susceptible-interaction
#7
Pritam Kaur, Neha Shukla, Gopal Joshi, Cheeni VijayaKumar, Arun Jagannath, Manu Agarwal, Shailendra Goel, Amar Kumar
Root-knot nematodes (RKNs, Meloidogyne spp.) are the most damaging plant parasites causing severe losses to crop production. The present study reports genome-wide identification and characterization of both tomato and RKN miRNAs simultaneously from RKN-infected susceptible tomato roots using high-throughput sequencing technique. RNAseq data from 11 small RNA libraries derived from 5 disease development stages identified 281 novel miRNAs of tomato in addition to 52 conserved and 4 variants of conserved miRNAs...
2017: PloS One
https://www.readbyqxmd.com/read/28424428/global-mirna-expression-profiling-of-domestic-cat-livers-following-acute-toxoplasma-gondii-infection
#8
Wei Cong, Xiao-Xuan Zhang, Jun-Jun He, Fa-Cai Li, Hany M Elsheikha, Xing-Quan Zhu
Although microRNAs (miRNAs) play an important role in liver homeostasis, the extent to which they can be altered by Toxoplasma gondii infection is unknown. Here, we utilized small RNA sequencing and bioinformatic analyses to characterize miRNA expression profiles in the liver of domestic cats at 7 days after oral infection with T. gondii (Type II) strain. A total of 384 miRNAs were identified and 82 were differentially expressed, of which 33 were up-regulated and 49 down-regulated. Also, 5690 predicted host gene targets for the differentially expressed miRNAs were identified using the bioinformatic algorithm miRanda...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423565/identification-and-characterization-of-l1-specific-endo-sirnas-essential-for-early-embryonic-development-in-pig
#9
Heng Zhang, Jilong Liu, Yurong Tai, Xiaolei Zhang, Jiaming Zhang, Shichao Liu, Jiawei Lv, Zhonghua Liu, Qingran Kong
Small noncoding RNAs (sncRNAs) play important roles in RNA interference (RNAi). In addition to microRNA (miRNA) and Piwi-interacting RNA (piRNA), one key member of sncRNAs group is endogenous small interfering RNA (endo-siRNA). Some studies do show the role of endo-siRNAs in Dicer and/or Ago mutants, however, the biological functions of specific endo-siRNAs remains mostly unanswered. In the study, we have performed a comparative analysis of endo-siRNAs present in porcine sperms, oocytes and zygotes, identified by deep sequencing and bioinformatics analysis...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422308/androgen-receptor-regulated-mirna-193a-3p-targets-ajuba-to-promote-prostate-cancer-cell-migration
#10
Li Jia, Bin Gui, Dali Zheng, Keith F Decker, Ilker Tinay, Mingyue Tan, Xiaowei Wang, Adam S Kibel
Background Dysregulation of microRNA (miRNA) expression is implicated in cancer development and progression by modulating oncogenes or tumor suppressors at the post-transcriptional level. Methods To investigate the role of miRNAs in prostate cancer (PCa) progression, we performed small RNA-sequencing (RNA-seq) analysis in androgen-dependent LNCaP cells and LNCaP-derived castration-resistant prostate cancer (CRPC) C4-2B cells. For functional validation, we specifically investigated miR-193a-3p, which is highly upregulated in C4-2B cells and modulated by the androgen receptor (AR)...
April 19, 2017: Prostate
https://www.readbyqxmd.com/read/28422071/comparative-analysis-of-the-complete-chloroplast-genome-of-four-endangered-herbals-of-notopterygium
#11
Jiao Yang, Ming Yue, Chuan Niu, Xiong-Feng Ma, Zhong-Hu Li
Notopterygium H. de Boissieu (Apiaceae) is an endangered perennial herb endemic to China. A good knowledge of phylogenetic evolution and population genomics is conducive to the establishment of effective management and conservation strategies of the genus Notopterygium. In this study, the complete chloroplast (cp) genomes of four Notopterygium species (N. incisum C. C. Ting ex H. T. Chang, N. oviforme R. H. Shan, N. franchetii H. de Boissieu and N. forrestii H. Wolff) were assembled and characterized using next-generation sequencing...
April 19, 2017: Genes
https://www.readbyqxmd.com/read/28421090/comparative-genomics-and-phylogenomics-of-east-asian-tulips-amana-liliaceae
#12
Pan Li, Rui-Sen Lu, Wu-Qin Xu, Tetsuo Ohi-Toma, Min-Qi Cai, Ying-Xiong Qiu, Kenneth M Cameron, Cheng-Xin Fu
The genus Amana Honda (Liliaceae), when it is treated as separate from Tulipa, comprises six perennial herbaceous species that are restricted to China, Japan and the Korean Peninsula. Although all six Amana species have important medicinal and horticultural uses, studies focused on species identification and molecular phylogenetics are few. Here we report the nucleotide sequences of six complete Amana chloroplast (cp) genomes. The cp genomes of Amana range from 150,613 bp to 151,136 bp in length, all including a pair of inverted repeats (25,629-25,859 bp) separated by the large single-copy (81,482-82,218 bp) and small single-copy (17,366-17,465 bp) regions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28421048/functional-information-stored-in-the-conserved-structural-rna-domains-of-flavivirus-genomes
#13
REVIEW
Alba Fernández-Sanlés, Pablo Ríos-Marco, Cristina Romero-López, Alfredo Berzal-Herranz
The genus Flavivirus comprises a large number of small, positive-sense single-stranded, RNA viruses able to replicate in the cytoplasm of certain arthropod and/or vertebrate host cells. The genus, which has some 70 member species, includes a number of emerging and re-emerging pathogens responsible for outbreaks of human disease around the world, such as the West Nile, dengue, Zika, yellow fever, Japanese encephalitis, St. Louis encephalitis, and tick-borne encephalitis viruses. Like other RNA viruses, flaviviruses have a compact RNA genome that efficiently stores all the information required for the completion of the infectious cycle...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28415793/clinical-framework-for-next-generation-sequencing-based-analysis-of-treatment-predictive-mutations-and-multiplexed-gene-fusion-detection-in-non-small-cell-lung-cancer
#14
Kajsa Ericson Lindquist, Anna Karlsson, Per Levéen, Hans Brunnström, Christel Reuterswärd, Karolina Holm, Mats Jönsson, Karin Annersten, Frida Rosengren, Karin Jirström, Jaroslaw Kosieradzki, Lars Ek, Åke Borg, Maria Planck, Göran Jönsson, Johan Staaf
Precision medicine requires accurate multi-gene clinical diagnostics. We describe the implementation of an Illumina TruSight Tumor (TST) clinical NGS diagnostic framework and parallel validation of a NanoString RNA-based ALK, RET, and ROS1 gene fusion assay for combined analysis of treatment predictive alterations in non-small cell lung cancer (NSCLC) in a regional healthcare region of Sweden (Scandinavia). The TST panel was clinically validated in 81 tumors (99% hotspot mutation concordance), after which 533 consecutive NSCLCs were collected during one-year of routine clinical analysis in the healthcare region (~90% advanced stage patients)...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414099/molecular-evolution-of-the-plastid-genome-during-diversification-of-the-cotton-genus
#15
Zhiwen Chen, Corrinne E Grover, Pengbo Li, Yumei Wang, Hushuai Nie, Yanpeng Zhao, Meiyan Wang, Fang Liu, Zhongli Zhou, Xingxing Wang, Xiaoyan Cai, Kunbo Wang, Jonathan F Wendel, Jinping Hua
Cotton (Gossypium spp.) is commonly grouped into eight diploid genomic groups, designated A-G and K, and one tetraploid genomic group, namely AD. To gain insight into the phylogeny of Gossypium and molecular evolution of the chloroplast genome duringdiversification, chloroplast genomes (cpDNA) from 6 D-genome and 2 G-genome species of Gossypium (G. armourianum D2-1, G. harknessii D2-2, G. davidsonii D3-d, G. klotzschianum D3-k, G. aridum D4, G. trilobum D8, and G. australe G2, G. nelsonii G3) were newly reported here...
April 13, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28409197/variation-in-biological-soil-crust-bacterial-abundance-and-diversity-as-a-function-of-climate-in-cold-steppe-ecosystems-in-the-intermountain-west-usa
#16
Erika S Blay, Stacy G Schwabedissen, Timothy S Magnuson, Ken A Aho, Peter P Sheridan, Kathleen A Lohse
Biological soil crust (biocrust) is a composite of mosses, lichens, and bacteria that performs many important soil system functions, including increasing soil stability, protecting against wind erosion, reducing nutrient loss, and mediating carbon and nitrogen fixation cycles. These cold desert and steppe ecosystems are expected to experience directional changes in both climate and disturbance. These include increased temperatures, precipitation phase changes, and increased disturbance from anthropogenic land use...
April 13, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28407097/mircat2-accurate-prediction-of-plant-and-animal-micrornas-from-next-generation-sequencing-datasets
#17
Claudia Paicu, Irina Mohorianu, Matthew Stocks, Ping Xu, Aurore Coince, Martina Billmeier, Tamas Dalmay, Vincent Moulton, Simon Moxon
Motivation: MicroRNAs are a class of _21-22 nucleotide small RNAs which are excised from a stable hairpin-like secondary structure. They have important gene regulatory functions and are involved in many pathways including developmental timing, organogenesis and development in eukaryotes. There are several computational tools for miRNA detection from next-generation sequencing (NGS) datasets. However, many of these tools suffer from high false positive and false negative rates. Here we present a novel miRNA prediction algorithm, miRCat2...
April 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28407080/genome-wide-changes-in-microrna-expression-during-short-and-prolonged-heat-stress-and-recovery-in-contrasting-rice-cultivars
#18
Satendra K Mangrauthia, Sailaja Bhogireddy, Surekha Agarwal, Vishnu V Prasanth, S R Voleti, Sarla Neelamraju, Desiraju Subrahmanyam
MicroRNAs (miRNAs) are known to regulate expression of genes under stress. We report here the deep sequencing of small RNAs expressed during control, short and prolonged heat stress and recovery. Genome-wide identification of miRNAs in tolerant (Nagina 22) and susceptible (Vandana) rice cultivars was performed in 16 samples representing root and shoot of 13-day-old seedlings. The expression profile of miRNAs was analysed in 36 pairwise combinations to identify the genotype-, treatment- and tissue-dependent expression of miRNAs...
April 12, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28406444/identification-of-drought-responsive-micrornas-from-roots-and-leaves-of-alfalfa-by-high-throughput-sequencing
#19
Yue Li, Liqiang Wan, Shuyi Bi, Xiufu Wan, Zhenyi Li, Jing Cao, Zongyong Tong, Hongyu Xu, Feng He, Xianglin Li
Alfalfa, an important forage legume, is an ideal crop for sustainable agriculture and a potential crop for bioenergy resources. Drought, one of the most common environmental stresses, substantially affects plant growth, development, and productivity. MicroRNAs (miRNAs) are newly discovered gene expression regulators that have been linked to several plant stress responses. To elucidate the role of miRNAs in drought stress regulation of alfalfa, a high-throughput sequencing approach was used to analyze 12 small RNA libraries comprising of four samples, each with three biological replicates...
April 13, 2017: Genes
https://www.readbyqxmd.com/read/28405685/sirna-mediated-inhibition-of-endogenous-brain%C3%A2-derived-neurotrophic-factor-gene-modulates-the-biological-behavior-of-hela-cells
#20
Chun-Yan Sun, Zhang-Bo Chu, Jing Huang, Lei Chen, Jian Xu, Ao-Shuang Xu, Jun-Ying Li, Yu Hu
Brain-derived neurotrophic factor (BDNF) is expressed in a number of neural and non-neuronal tumors. The present study investigated the effect of endogenous BDNF on the biological behavior of cervix cancer cells using small interfering RNA (siRNA). HeLa, a cervix cancer cell line with high expression of BDNF, was used as a living model to screen out the effective sequences of short hairpin RNA of the BDNF gene, and the effects of RNA interference on proliferation, apoptosis, migration and invasion of these cells were evaluated...
May 2017: Oncology Reports
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