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https://www.readbyqxmd.com/read/28335589/global-functional-analysis-of-butanol-sensitive-escherichia-coli-and-its-evolved-butanol-tolerant-strain
#1
Haeyoung Jeong, Seung-Won Lee, Sun Hong Kim, Eun-Youn Kim, Sinyeon Kim, Sung Ho Yoon
Butanol is a promising alternative to ethanol and is desirable for use in transportation fuels and additives to gasoline and diesel fuels. Microbial production of butanol is challenging primarily due to its toxicity and low titer of production. Herein, we compared the transcriptome and phenome of wild-type Escherichia coli and its butanol-tolerant evolved strain to understand the global cellular physiology and metabolism responsible for butanol tolerance. When the ancestral butanol-sensitive E. coli was exposed to butanol, gene activities involved in respiratory mechanisms and oxidative stress were highly perturbed...
March 24, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28335577/gc-ms-metabolomic-analysis-to-reveal-the-metabolites-and-biological-pathways-involved-in-the-developmental-stages-and-tissue-response-of-panax-ginseng
#2
Jia Liu, Yang Liu, Yu Wang, Ann Abozeid, Yuan-Gang Zu, Xiao-Ning Zhang, Zhong-Hua Tang
Ginsenosides, the major compounds present in ginseng, are known to have numerous physiological and pharmacological effects. The physiological processes, enzymes and genes involved in ginsenoside synthesis in P. ginseng have been well characterized. However, relatively little information is known about the dynamic metabolic changes that occur during ginsenoside accumulation in ginseng. To explore this topic, we isolated metabolites from different tissues at different growth stages, and identified and characterized them by using gas chromatography coupled with mass spectrometry (GC-MS)...
March 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335539/abundance-of-pathogenic-escherichia-coli-virulence-associated-genes-in-well-and-borehole-water-used-for-domestic-purposes-in-a-peri-urban-community-of-south-africa
#3
Akebe Luther King Abia, Lisa Schaefer, Eunice Ubomba-Jaswa, Wouter Le Roux
In the absence of pipe-borne water, many people in Africa, especially in rural communities, depend on alternative water sources such as wells, boreholes and rivers for household and personal hygiene. Poor maintenance and nearby pit latrines, however, lead to microbial pollution of these sources. We evaluated the abundance of Escherichia coli and the prevalence of pathogenic E. coli virulence genes in water from wells, boreholes and a river in a South African peri-urban community. Monthly samples were collected between August 2015 and November 2016...
March 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335521/gene-transformation-induced-changes-in-chemical-functional-group-features-and-molecular-structure-conformation-in-alfalfa-plants-co-expressing-lc-bhlh-and-c1-myb-transcriptive-flavanoid-regulatory-genes-effects-of-single-gene-and-two-gene-insertion
#4
Ravindra G Heendeniya, Peiqiang Yu
Alfalfa (Medicago sativa L.) genotypes transformed with Lc-bHLH and Lc transcription genes were developed with the intention of stimulating proanthocyanidin synthesis in the aerial parts of the plant. To our knowledge, there are no studies on the effect of single-gene and two-gene transformation on chemical functional groups and molecular structure changes in these plants. The objective of this study was to use advanced molecular spectroscopy with multivariate chemometrics to determine chemical functional group intensity and molecular structure changes in alfalfa plants when co-expressing Lc-bHLH and C1-MYB transcriptive flavanoid regulatory genes in comparison with non-transgenic (NT) and AC Grazeland (ACGL) genotypes...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335496/quantitative-analysis-of-the-kshv-transcriptome-following-primary-infection-of-blood-and-lymphatic-endothelial-cells
#5
A Gregory Bruce, Serge Barcy, Terri DiMaio, Emilia Gan, H Jacques Garrigues, Michael Lagunoff, Timothy M Rose
The transcriptome of the Kaposi's sarcoma-associated herpesvirus (KSHV/HHV8) after primary latent infection of human blood (BEC), lymphatic (LEC) and immortalized (TIME) endothelial cells was analyzed using RNAseq, and compared to long-term latency in BCBL-1 lymphoma cells. Naturally expressed transcripts were obtained without artificial induction, and a comprehensive annotation of the KSHV genome was determined. A set of unique coding sequence (UCDS) features and a process to resolve overlapping transcripts were developed to accurately quantitate transcript levels from specific promoters...
March 19, 2017: Pathogens
https://www.readbyqxmd.com/read/28335495/brain-derived-neurotrophic-factor-loaded-ps80-pbca-nanocarrier-for-in-vitro-neural-differentiation-of-mouse-induced-pluripotent-stem-cells
#6
Chiu-Yen Chung, Martin Hsiu-Chu Lin, I-Neng Lee, Tsong-Hai Lee, Ming-Hsueh Lee, Jen-Tsung Yang
Brain derived neurotrophic factor (BDNF) can induce neural differentiation in stem cells and has the potential for repair of the nervous system. In this study, a polysorbate 80-coated polybutylcyanoacrylate nanocarrier (PS80 PBCA NC) was constructed to deliver plasmid DNAs (pDNAs) containing BDNF gene attached to a hypoxia-responsive element (HRE-cmvBDNF). The hypoxia-sensing mechanism of BDNF expression and inductiveness of the nano-formulation on mouse induced pluripotent stem cells (iPSCs) to differentiate into neurons following hypoxia was tested in vitro with immunofluorescent staining and Western blotting...
March 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335485/intra-amniotic-administration-of-raffinose-and-stachyose-affects-the-intestinal-brush-border-functionality-and-alters-gut-microflora-populations
#7
Sarina Pacifici, Jaehong Song, Cathy Zhang, Qiaoye Wang, Raymond P Glahn, Nikolai Kolba, Elad Tako
This study investigates the effectiveness of two types of prebiotics-stachyose and raffinose-which are present in staple food crops that are widely consumed in regions where dietary Fe deficiency is a health concern. The hypothesis is that these prebiotics will improve Fe status, intestinal functionality, and increase health-promoting bacterial populations in vivo (Gallus gallus). By using the intra-amniotic administration procedure, prebiotic treatment solutions were injected in ovo (day 17 of embryonic incubation) with varying concentrations of a 1...
March 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28335481/genetic-variants-contributing-to-colistin-cytotoxicity-identification-of-tgif1-and-hoxd10-using-a-population-genomics-approach
#8
Michael T Eadon, Ronald J Hause, Amy L Stark, Ying-Hua Cheng, Heather E Wheeler, Kimberly S Burgess, Eric A Benson, Patrick N Cunningham, Robert L Bacallao, Pierre C Dagher, Todd C Skaar, M Eileen Dolan
Colistin sulfate (polymixin E) is an antibiotic prescribed with increasing frequency for severe Gram-negative bacterial infections. As nephrotoxicity is a common side effect, the discovery of pharmacogenomic markers associated with toxicity would benefit the utility of this drug. Our objective was to identify genetic markers of colistin cytotoxicity that were also associated with expression of key proteins using an unbiased, whole genome approach and further evaluate the functional significance in renal cell lines...
March 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335476/inhibition-of-neoplastic-transformation-and-chemically-induced-skin-hyperplasia-in-mice-by-traditional-chinese-medicinal-formula-si-wu-tang
#9
Mandy M Liu, Kevin M Huang, Steven Yeung, Andy Chang, Suhui Zhang, Nan Mei, Cyrus Parsa, Robert Orlando, Ying Huang
Exploring traditional medicines may lead to the development of low-cost and non-toxic cancer preventive agents. Si-Wu-Tang (SWT), comprising the combination of four herbs, Rehmanniae, Angelica, Chuanxiong, and Paeoniae, is one of the most popular traditional Chinese medicines for women's diseases. In our previous studies, the antioxidant Nrf2 pathways were strongly induced by SWT in vitro and in vivo. Since Nrf2 activation has been associated with anticarcinogenic effects, the purpose of this study is to evaluate SWT's activity of cancer prevention...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28335474/coccolithoviruses-a-review-of-cross-kingdom-genomic-thievery-and-metabolic-thuggery
#10
Jozef I Nissimov, António Pagarete, Fangrui Ma, Sean Cody, David D Dunigan, Susan A Kimmance, Michael J Allen
Coccolithoviruses (Phycodnaviridae) infect and lyse the most ubiquitous and successful coccolithophorid in modern oceans, Emiliania huxleyi. So far, the genomes of 13 of these giant lytic viruses (i.e., Emiliania huxleyi viruses-EhVs) have been sequenced, assembled, and annotated. Here, we performed an in-depth comparison of their genomes to try and contextualize the ecological and evolutionary traits of these viruses. The genomes of these EhVs have from 444 to 548 coding sequences (CDSs). Presence/absence analysis of CDSs identified putative genes with particular ecological significance, namely sialidase, phosphate permease, and sphingolipid biosynthesis...
March 18, 2017: Viruses
https://www.readbyqxmd.com/read/28335457/the-epigenetic-link-between-prenatal-adverse-environments-and-neurodevelopmental-disorders
#11
REVIEW
Marija Kundakovic, Ivana Jaric
Prenatal adverse environments, such as maternal stress, toxicological exposures, and viral infections, can disrupt normal brain development and contribute to neurodevelopmental disorders, including schizophrenia, depression, and autism. Increasing evidence shows that these short- and long-term effects of prenatal exposures on brain structure and function are mediated by epigenetic mechanisms. Animal studies demonstrate that prenatal exposure to stress, toxins, viral mimetics, and drugs induces lasting epigenetic changes in the brain, including genes encoding glucocorticoid receptor (Nr3c1) and brain-derived neurotrophic factor (Bdnf)...
March 18, 2017: Genes
https://www.readbyqxmd.com/read/28335455/viral-protein-kinetics-of-piscine-orthoreovirus-infection-in-atlantic-salmon-blood-cells
#12
Hanne Merethe Haatveit, Øystein Wessel, Turhan Markussen, Morten Lund, Bernd Thiede, Ingvild Berg Nyman, Stine Braaen, Maria Krudtaa Dahle, Espen Rimstad
Piscine orthoreovirus (PRV) is ubiquitous in farmed Atlantic salmon (Salmo salar) and the cause of heart and skeletal muscle inflammation. Erythrocytes are important target cells for PRV. We have investigated the kinetics of PRV infection in salmon blood cells. The findings indicate that PRV causes an acute infection of blood cells lasting 1-2 weeks, before it subsides into persistence. A high production of viral proteins occurred initially in the acute phase which significantly correlated with antiviral gene transcription...
March 18, 2017: Viruses
https://www.readbyqxmd.com/read/28335454/porcine-rotaviruses-epidemiology-immune-responses-and-control-strategies
#13
REVIEW
Anastasia N Vlasova, Joshua O Amimo, Linda J Saif
Rotaviruses (RVs) are a major cause of acute viral gastroenteritis in young animals and children worldwide. Immunocompetent adults of different species become resistant to clinical disease due to post-infection immunity, immune system maturation and gut physiological changes. Of the 9 RV genogroups (A-I), RV A, B, and C (RVA, RVB, and RVC, respectively) are associated with diarrhea in piglets. Although discovered decades ago, porcine genogroup E RVs (RVE) are uncommon and their pathogenesis is not studied well...
March 18, 2017: Viruses
https://www.readbyqxmd.com/read/28335448/a-community-multi-omics-approach-towards-the-assessment-of-surface-water-quality-in-an-urban-river-system
#14
David J Beale, Avinash V Karpe, Warish Ahmed, Stephen Cook, Paul D Morrison, Christopher Staley, Michael J Sadowsky, Enzo A Palombo
A multi-omics approach was applied to an urban river system (the Brisbane River (BR), Queensland, Australia) in order to investigate surface water quality and characterize the bacterial population with respect to water contaminants. To do this, bacterial metagenomic amplicon-sequencing using Illumina next-generation sequencing (NGS) of the V5-V6 hypervariable regions of the 16S rRNA gene and untargeted community metabolomics using gas chromatography coupled with mass spectrometry (GC-MS) were utilized. The multi-omics data, in combination with fecal indicator bacteria (FIB) counts, trace metal concentrations (by inductively coupled plasma mass spectrometry (ICP-MS)) and in-situ water quality measurements collected from various locations along the BR were then used to assess the health of the river ecosystem...
March 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335447/transcriptomic-complexity-of-aspergillus-terreus-velvet-gene-family-under-the-influence-of-butyrolactone-i
#15
Elina K Palonen, Sheetal Raina, Annika Brandt, Jussi Meriluoto, Tajalli Keshavarz, Juhani T Soini
Filamentous fungi of the Ascomycota phylum are known to contain a family of conserved conidiation regulating proteins with distinctive velvet domains. In Aspergilli, this velvet family includes four proteins, VeA, VelB, VelC and VosA, and is involved in conidiation and secondary metabolism along with a global regulator LaeA. In A. terreus, the overexpression of LaeA has been observed to increase the biogenesis of the pharmaceutically-important secondary metabolite, lovastatin, while the role of the velvet family has not been studied...
March 14, 2017: Microorganisms
https://www.readbyqxmd.com/read/28335437/effect-of-clozapine-on-dna-methylation-in-peripheral-leukocytes-from-patients-with-treatment-resistant-schizophrenia
#16
Makoto Kinoshita, Shusuke Numata, Atsushi Tajima, Hidenaga Yamamori, Yuka Yasuda, Michiko Fujimoto, Shinya Watanabe, Hidehiro Umehara, Shinji Shimodera, Takanobu Nakazawa, Masataka Kikuchi, Akihiro Nakaya, Hitoshi Hashimoto, Issei Imoto, Ryota Hashimoto, Tetsuro Ohmori
Clozapine is an atypical antipsychotic, that is established as the treatment of choice for treatment-resistant schizophrenia (SCZ). To date, no study investigating comprehensive DNA methylation changes in SCZ patients treated with chronic clozapine has been reported. The purpose of the present study is to reveal the effects of clozapine on DNA methylation in treatment-resistant SCZ. We conducted a genome-wide DNA methylation profiling in peripheral leukocytes (485,764 CpG dinucleotides) from treatment-resistant SCZ patients treated with clozapine (n = 21) in a longitudinal study...
March 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335432/marine-lectins-dlfbl-and-hddsbl-fused-with-soluble-coxsackie-adenovirus-receptor-facilitate-adenovirus-infection-in-cancer-cells-but-have-different-effects-on-cell-survival
#17
Bingbing Wu, Shengsheng Mei, Lianzhen Cui, Zhenzhen Zhao, Jianhong Chen, Tao Wu, Gongchu Li
Cancer development and progression are usually associated with glycosylation change, providing prognostic and diagnostic biomarkers, as well as therapeutic targets, for various cancers. In this work, Dicentrarchus labrax fucose binding lectin (DlFBL) and Haliotis discus discus sialic acid binding lectin (HddSBL) were genetically fused with soluble coxsackie-adenovirus receptor (sCAR), and produced through a bacterial expression system. Results showed that recombinant sCAR-DlFBL not only facilitated adenovirus Ad-EGFP infection in K562/ADR and U87MG cells, but also enhanced the cytotoxicity of adenovirus harboring gene encoding Pinellia pedatisecta agglutinin (PPA) or DlFBL (Ad-PPA or Ad-DlFBL) on U87MG cells through inducing apoptosis...
March 14, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28335378/bioavailability-of-microencapsulated-iron-from-fortified-bread-assessed-using-piglet-model
#18
Malgorzata A Bryszewska, Luca Laghi, Augusta Zannoni, Andrea Gianotti, Francesca Barone, Danielle L Taneyo Saa, Maria L Bacci, Domenico Ventrella, Monica Forni
The aim of this study was to investigate the influence of oral iron supplementation, in the form of fortified breads, on the growth performance, health, iron status parameters, and fecal metabolome of anemic piglets. A study was conducted on 24 hybrid (Large White × Landrace × Duroc) piglets. From day 44, the post-natal 12 piglets were supplemented with 100 g of one of two experimental breads, each fortified with 21 mg of ferrous sulphate, either encapsulated or not. After one week of oral supplementation, hematological parameters (hematocrit value, hemoglobin, and red blood cells) showed statistically significant differences (p ≤ 0...
March 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28335269/galactosylated-liposomes-for-targeted-co-delivery-of-doxorubicin-vimentin-sirna-to-hepatocellular-carcinoma
#19
Hea Ry Oh, Hyun-Young Jo, James S Park, Dong-Eun Kim, Je-Yoel Cho, Pyung-Hwan Kim, Keun-Sik Kim
The combination of therapeutic nucleic acids and chemotherapeutic drugs has shown great promise for cancer therapy. In this study, asialoglycoprotein receptors (ASGPR) targeting-ligand-based liposomes were tested to determine whether they can co-deliver vimentin siRNA and doxorubicin to hepatocellular carcinoma (HCC) selectively. To achieve this goal, we developed an ASGPR receptor targeted co-delivery system called gal-doxorubicin/vimentin siRNA liposome (Gal-DOX/siRNA-L). The Gal-DOX/siRNA-L was created via electrostatic interaction of galactose linked-cationic liposomal doxorubicin (Gal-DOX-L) on vimentin siRNA...
July 30, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335259/lipid-nanovectors-to-deliver-rna-oligonucleotides-in-cancer
#20
REVIEW
Virginia Campani, Giuseppina Salzano, Sara Lusa, Giuseppe De Rosa
The growing knowledge on the mechanisms of gene silencing and gene regulation by non-coding RNAs (ncRNA), mainly small interfering RNA (siRNA) and microRNA (miRNA), is providing a significant boost to the development of new therapeutic strategies for the treatment of cancer. However, the design of RNA-based therapeutics is hampered by biopharmaceutical issues, thus requiring the use of suitable delivery strategies. In this regards, lipid nanovectors have been successfully investigated to deliver RNA in different forms of cancer...
July 9, 2016: Nanomaterials
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