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https://www.readbyqxmd.com/read/28535331/computer-and-mobile-technology-interventions-for-self-management-in-chronic-obstructive-pulmonary-disease
#1
REVIEW
Catherine McCabe, Margaret McCann, Anne Marie Brady
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is characterised by airflow obstruction due to an abnormal inflammatory response of the lungs to noxious particles or gases, for example, cigarette smoke. The pattern of care for people with moderate to very severe COPD often involves regular lengthy hospital admissions, which result in high healthcare costs and an undesirable effect on quality of life. Research over the past decade has focused on innovative methods for developing enabling and assistive technologies that facilitate patient self-management...
May 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28533235/the-tet39-determinant-and-the-msre-mphe-genes-in-acinetobacter-plasmids-are-each-part-of-discrete-modules-flanked-by-inversely-oriented-pdif-xerc-xerd-sites
#2
Grace A Blackwell, Ruth M Hall
The tet39 tetracycline resistance determinant and the macrolide resistance genes msrE and mphE were found in an 18.2 kb plasmid, pS30-1, recovered from a GC2 Acinetobacter baumannii isolate from Singapore, that conferred resistance to tetracycline and erythromycin. pS30-1 also contains mobA and mobC genes encoding MOBQ family proteins but attempts to mobilise pS30-1 utilising a co-resident conjugative repAci6 plasmid were unsuccessful. Eight pdif sites, consisting of inversely-oriented binding sites for the XerC and XerD recombinases separated by 6 bp, were detected in pS30-1...
May 22, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28527335/dissection-of-cis-regulatory-element-architecture-of-the-rice-oleosin-gene-promoters-to-assess-abscisic-acid-responsiveness-in-suspension-cultured-rice-cells
#3
Sol Kim, Soo-Bin Lee, Chae-Seong Han, Mi-Na Lim, Sung-Eun Lee, In Sun Yoon, Yong-Sic Hwang
Oleosins are the most abundant proteins in the monolipid layer surrounding neutral storage lipids that form oil bodies in plants. Several lines of evidence indicate that they are physiologically important for the maintenance of oil body structure and for mobilization of the lipids stored inside. Rice has six oleosin genes in its genome, the expression of all of which was found to be responsive to abscisic acid (ABA) in our examination of mature embryo and aleurone tissues. The 5'-flanking region of OsOle5 was initially characterized for its responsiveness to ABA through a transient expression assay system using the protoplasts from suspension-cultured rice cells...
May 1, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28525804/recombinant-adeno-associated-virus-vector-carrying-the-thrombomodulin-lectin-like-domain-for-the-treatment-of-abdominal-aortic-aneurysm
#4
Chao-Han Lai, Kuan-Chieh Wang, Cheng-Hsiang Kuo, Fang-Tzu Lee, Tsung-Lin Cheng, Bi-Ing Chang, Yu-Jen Yang, Guey-Yueh Shi, Hua-Lin Wu
BACKGROUND AND AIMS: Thrombomodulin (TM), through its lectin-like domain (TMD1), sequesters proinflammatory high-mobility group box 1 (HMGB1) to prevent it from engaging the receptor for advanced glycation end product (RAGE) that sustains inflammation and tissue damage. Our previous study demonstrated that short-term treatment with recombinant TM containing all the extracellular domains (i.e., rTMD123) inhibits HMGB1-RAGE signaling and confers protection against CaCl2-induced AAA formation...
March 18, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28525572/crosstalk-between-vertical-and-horizontal-gene-transfer-plasmid-replication-control-by-a-conjugative-relaxase
#5
Fabián Lorenzo-Díaz, Cris Fernández-López, Rudi Lurz, Alicia Bravo, Manuel Espinosa
Horizontal gene transfer is a key process in the evolution of bacteria and also represents a source of genetic variation in eukaryotes. Among elements participating in gene transfer, thousands of small (<10 kb) mobile bacterial plasmids that replicate by the rolling circle mechanism represent a driving force in the spread of antibiotic resistances. In general, these plasmids are built as genetic modules that encode a replicase, an antibiotic-resistance determinant, and a relaxase that participates in their conjugative mobilization...
May 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28522611/long-terminal-repeats-power-evolution-of-genes-and-gene-expression-programs-in-mammalian-oocytes-and-zygotes
#6
Vedran Franke, Sravya Ganesh, Rosa Karlic, Radek Malik, Josef Pasulka, Filip Horvat, Maja Kuzman, Helena Fulka, Marketa Cernohorska, Jana Urbanova, Eliska Svobodova, Jun Ma, Yutaka Suzuki, Fugaku Aoki, Richard M Schultz, Kristian Vlahovicek, Petr Svoboda
Retrotransposons are 'copy-and-paste' insertional mutagens that substantially contribute to mammalian genome content. Retrotransposons often carry long terminal repeats (LTRs) for retrovirus-like reverse transcription and integration into the genome. We report an extraordinary impact of a group of LTRs from the mammalian endogenous retrovirus-related ERVL retrotransposon class on gene expression in the germline and beyond. In mouse, we identified >800 LTRs from ORR1, MT, MT2, and MLT families, which resemble mobile gene-remodeling platforms that supply promoters and first exons...
May 18, 2017: Genome Research
https://www.readbyqxmd.com/read/28498309/effective-social-relationship-measurement-and-cluster-based-routing-in-mobile-opportunistic-networks
#7
Feng Zeng, Nan Zhao, Wenjia Li
In mobile opportunistic networks, the social relationship among nodes has an important impact on data transmission efficiency. Motivated by the strong share ability of "circles of friends" in communication networks such as Facebook, Twitter, Wechat and so on, we take a real-life example to show that social relationships among nodes consist of explicit and implicit parts. The explicit part comes from direct contact among nodes, and the implicit part can be measured through the "circles of friends". We present the definitions of explicit and implicit social relationships between two nodes, adaptive weights of explicit and implicit parts are given according to the contact feature of nodes, and the distributed mechanism is designed to construct the "circles of friends" of nodes, which is used for the calculation of the implicit part of social relationship between nodes...
May 12, 2017: Sensors
https://www.readbyqxmd.com/read/28494014/singularity-scientific-containers-for-mobility-of-compute
#8
Gregory M Kurtzer, Vanessa Sochat, Michael W Bauer
Here we present Singularity, software developed to bring containers and reproducibility to scientific computing. Using Singularity containers, developers can work in reproducible environments of their choosing and design, and these complete environments can easily be copied and executed on other platforms. Singularity is an open source initiative that harnesses the expertise of system and software engineers and researchers alike, and integrates seamlessly into common workflows for both of these groups. As its primary use case, Singularity brings mobility of computing to both users and HPC centers, providing a secure means to capture and distribute software and compute environments...
2017: PloS One
https://www.readbyqxmd.com/read/28482102/apolipoprotein-e4-allele-and-gait-performance-in-mild-cognitive-impairment-results-from-the-gait-and-brain-study
#9
Ryota Sakurai, Manuel Montero-Odasso
Background: The apolipoprotein E polymorphism ε4 allele (ApoE4) and gait impairment are both known risk factors for developing cognitive decline and dementia. However, it is unclear the interrelationship between these factors, particularly among older adults with mild cognitive impairment (MCI) who are considered as prodromal for Alzheimer's disease. This study aimed to determine whether ApoE4 carrier individuals with MCI may experience greater impairment in gait performance. Methods: Fifty-six older adults with MCI from the "Gait and Brain Study" who were identified as either ApoE4 carriers (n = 20) or non-ApoE4 carriers (n = 36) with 1 year of follow-up were included...
May 6, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28450881/line-insertion-polymorphisms-are-abundant-but-at-low-frequencies-across-populations-of-anolis-carolinensis
#10
Robert P Ruggiero, Yann Bourgeois, Stéphane Boissinot
Vertebrate genomes differ considerably in size and structure. Among the features that show the most variation is the abundance of Long Interspersed Nuclear Elements (LINEs). Mammalian genomes contain 100,000s LINEs that belong to a single clade, L1, and in most species a single family is usually active at a time. In contrast, non-mammalian vertebrates (fish, amphibians and reptiles) contain multiple active families, belonging to several clades, but each of them is represented by a small number of recently inserted copies...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28444372/quantifying-the-number-of-independent-organelle-dna-insertions-in-genome-evolution-and-human-health
#11
Einat Hazkani-Covo, William F Martin
Fragments of organelle genomes are often found as insertions in nuclear DNA. These fragments of mitochondrial DNA (numts) and plastid DNA (nupts) are ubiquitous components of eukaryotic genomes. They are, however, often edited out during the genome assembly process, leading to systematic underestimation of their frequency. Numts and nupts, once inserted, can become further fragmented through subsequent insertion of mobile elements or other recombinational events that disrupt the continuity of the inserted sequence relative to the genuine organelle DNA copy...
April 21, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28439515/endogenous-retroviruses-with-us-and-against-us
#12
REVIEW
Thomas J Meyer, Jimi L Rosenkrantz, Lucia Carbone, Shawn L Chavez
Mammalian genomes are scattered with thousands of copies of endogenous retroviruses (ERVs), mobile genetic elements that are relics of ancient retroviral infections. After inserting copies into the germ line of a host, most ERVs accumulate mutations that prevent the normal assembly of infectious viral particles, becoming trapped in host genomes and unable to leave to infect other cells. While most copies of ERVs are inactive, some are transcribed and encode the proteins needed to generate new insertions at novel loci...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28438939/emergence-and-evolution-of-multidrug-resistant-klebsiella-pneumoniae-with-both-blakpc-and-blactx-m-integrated-in-chromosome
#13
Weihua Huang, Guiqing Wang, Robert Sebra, Jian Zhuge, Changhong Yin, Maria E Aguero-Rosenfeld, Audrey N Schuetz, Nevenka Dimitrova, John T Fallon
The extended-spectrum β-lactamase (ESBL)- and Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae represent serious and urgent threats to public health. In a retrospective study of multidrug-resistant K. pneumoniae, we identified three clinical isolates, CN1, CR14 and NY9, carrying both blaCTX-M and blaKPC genes. The complete genomes of these three K. pneumoniae isolates were de novo assembled by using both short- and long-read whole-genome sequencing. In CR14 and NY9, blaCTX-M and blaKPC were carried on two different plasmids...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28432950/effects-of-chlortetracycline-and-copper-on-tetracyclines-and-copper-resistance-genes-and-microbial-community-during-swine-manure-anaerobic-digestion
#14
Rui Wang, Meixue Chen, Feng Feng, Junya Zhang, Qianwen Sui, Juan Tong, Yuansong Wei, Dongbin Wei
As antibiotic and heavy metals are over used in the livestock industry, animal manure is a reservoir of antibiotic resistance genes (ARGs). Anaerobic digestion has been reported to have the potential to reduce ARGs. However, few studies investigated whether reduction of ARGs would be affected by different external pressures including antibiotics and heavy metals during anaerobic digestion. The purpose of this study was thus to investigate effects of both chlortetracycline (CTC) and Cu on reduction of ARGs, heavy metal resistance genes (HMRGs) and mobile genetic elements (MGEs) during the swine manure anaerobic digestion...
August 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28402875/tracking-low-copy-transcription-factors-in-living-bacteria-the-case-of-the-lac-repressor
#15
Federico Garza de Leon, Laura Sellars, Mathew Stracy, Stephen J W Busby, Achillefs N Kapanidis
Transcription factors control the expression of genes by binding to specific sites in DNA and repressing or activating transcription in response to stimuli. The lac repressor (LacI) is a well characterized transcription factor that regulates the ability of bacterial cells to uptake and metabolize lactose. Here, we study the intracellular mobility and spatial distribution of LacI in live bacteria using photoactivated localization microscopy combined with single-particle tracking. Since we track single LacI molecules in live cells by stochastically photoactivating and observing fluorescent proteins individually, there are no limitations on the copy number of the protein under study; as a result, we were able to study the behavior of LacI in bacterial strains containing the natural copy numbers (∼40 monomers), as well as in strains with much higher copy numbers due to LacI overexpression...
April 11, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28401676/regulation-of-solvent-tolerance-in-pseudomonas-putida-s12-mediated-by-mobile-elements
#16
Rohola Hosseini, Jannis Kuepper, Sebastian Koebbing, Lars M Blank, Nick Wierckx, Johannes H de Winde
Organic solvent-tolerant bacteria are outstanding and versatile hosts for the bio-based production of a broad range of generally toxic aromatic compounds. The energetically costly solvent tolerance mechanisms are subject to multiple levels of regulation, involving among other mobile genetic elements. The genome of the solvent-tolerant Pseudomonas putida S12 contains many such mobile elements that play a major role in the regulation and adaptation to various stress conditions, including the regulation of expression of the solvent efflux pump SrpABC...
April 11, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28391141/development-and-validation-of-a-novel-multiplexed-dna-analysis-system-innotyper-%C3%A2-21
#17
Hiromi Brown, Robyn Thompson, Gina Murphy, Dixie Peters, Bobby La Rue, Jonathan King, Anne H Montgomery, Marion Carroll, James Baus, Sid Sinha, Frank R Wendt, Bing Song, Ranajit Chakraborty, Bruce Budowle, Sudhir K Sinha
We report here a novel multiplexed DNA analysis system consisting of 20 Alu markers and Amelogenin for analysis of highly degraded forensic biological samples. The key to the success of the system in obtaining results from degraded samples is the primer design yielding small amplicon size (60-125bp) for all 20 markers. The markers included in the InnoTyper(®) 21 system are bi-allelic, having two possible allelic states (insertion or null) and thus termed INNULs. The markers are short interspersed nuclear elements (SINEs), a category of retrotransposable elements (REs) which are non-coding genomic DNA repeat sequences, or "mobile insertion elements," comprising approximately 40% of the human genome...
March 18, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28359666/sequence-of-the-r1-plasmid-and-comparison-to-f-and-r100
#18
Katherine E L Cox, Joel F Schildbach
The R1 antibiotic resistance plasmid, originally discovered in a clinical Salmonella isolate in London, 1963, has served for decades as a key model for understanding conjugative plasmids. Despite its scientific importance, a complete sequence of this plasmid has never been reported. We present the complete genome sequence of R1 along with a brief review of the current knowledge concerning its various genetic systems and a comparison to the F and R100 plasmids. R1 is 97,566 nucleotides long and contains 120 genes...
March 28, 2017: Plasmid
https://www.readbyqxmd.com/read/28348858/quantitative-assessment-of-insertion-sequence-impact-on-bacterial-genome-architecture
#19
Mark D Adams, Brian Bishop, Meredith S Wright
Insertion sequence (IS) elements are important mediators of genome plasticity and can lead to phenotypic changes with evolutionary significance. In multidrug-resistant Acinetobacter baumannii and Klebsiella pneumoniae, IS elements have contributed significantly to the mobilization of genes that encode resistance to antimicrobial drugs. A systematic analysis of IS elements is needed for a more comprehensive understanding of their evolutionary impact. We developed a computational approach (ISseeker) to annotate IS elements in draft genome assemblies and applied the method to analysis of IS elements in all publicly available A...
July 2016: Microbial Genomics
https://www.readbyqxmd.com/read/28348446/exploring-the-genomic-diversity-of-black-yeasts-and-relatives-chaetothyriales-ascomycota
#20
M M Teixeira, L F Moreno, B J Stielow, A Muszewska, M Hainaut, L Gonzaga, A Abouelleil, J S L Patané, M Priest, R Souza, S Young, K S Ferreira, Q Zeng, M M L da Cunha, A Gladki, B Barker, V A Vicente, E M de Souza, S Almeida, B Henrissat, A T R Vasconcelos, S Deng, H Voglmayr, T A A Moussa, A Gorbushina, M S S Felipe, C A Cuomo, G Sybren de Hoog
The order Chaetothyriales (Pezizomycotina, Ascomycetes) harbours obligatorily melanised fungi and includes numerous etiologic agents of chromoblastomycosis, phaeohyphomycosis and other diseases of vertebrate hosts. Diseases range from mild cutaneous to fatal cerebral or disseminated infections and affect humans and cold-blooded animals globally. In addition, Chaetothyriales comprise species with aquatic, rock-inhabiting, ant-associated, and mycoparasitic life-styles, as well as species that tolerate toxic compounds, suggesting a high degree of versatile extremotolerance...
March 2017: Studies in Mycology
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