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https://www.readbyqxmd.com/read/28432951/microbial-communities-in-the-functional-areas-of-a-biofilm-reactor-with-anaerobic-aerobic-process-for-oily-wastewater-treatment
#1
Jianhua Li, Shanshan Sun, Ping Yan, Li Fang, Yang Yu, Yangdong Xiang, Di Wang, Yejing Gong, Yanjun Gong, Zhongzhi Zhang
Microbial communities in the functional areas of biofilm reactors with large height-diameter ratio using the anaerobic-aerobic (A/O) reflux process was investigated to treat heavy oil refinery wastewater without pretreatment. In the process, chemical oxygen demand (COD) and total nitrogen (TN) removal reached 93.2% and 82.8%, and the anaerobic biofilm reactor was responsible for 95% and 99%, respectively. Areas for hydrolysis acidification and acetic acid production, methane production, and COD recovery were obvious in the anaerobic reactor...
April 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432949/dominance-of-candidate-saccharibacteria-in-a-membrane-bioreactor-treating-medium-age-landfill-leachate-effects-of-organic-load-on-microbial-communities-hydrolytic-potential-and-extracellular-polymeric-substances
#2
Nikolaos Remmas, Paraschos Melidis, Ioanna Zerva, Jon Bent Kristoffersen, Sofia Nikolaki, George Tsiamis, Spyridon Ntougias
A membrane bioreactor (MBR), accomplishing high nitrogen removal efficiencies, was evaluated under various landfill leachate concentrations (50, 75 and 100% v/v). Proteinous and carbohydrate extracellular polymeric substances (EPS) and soluble microbial product (SMP) were strongly correlated (p<0.01) with organic load, salinity and NH4(+)-N. Exceptionally high β-glucosidase activities (6700-10,100Ug(-1)) were determined during MBR operation with 50% v/v leachate, as a result of the low organic carbon availability that extendedly induced β-glucosidases to breakdown the least biodegradable organic fraction...
April 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432942/insights-into-the-diversity-of-nod-like-receptors-identification-and-expression-analysis-of-nlrc3-nlrc5-and-nlrx1-in-rainbow-trout
#3
Claudio A Álvarez, Felipe Ramírez-Cepeda, Paula Santana, Elisa Torres, Jimena Cortés, Fanny Guzmán, Paulina Schmitt, Luis Mercado
Nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs) are efficient soluble intracellular sensors that activate defense mechanisms against pathogens. In teleost fish, the involvement of NLRs in the immune response is not well understood. However, recent work has evidenced the expression of different NLRs in response to some pathogen associated molecular patterns (PAMPs). In the present work, the cDNA sequence encoding three new NOD-like receptors were identified in Oncorhynchus mykiss, namely OmNLRC3, OmNLRC5 and OmNLRX1...
April 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28432932/surveillance-of-vittaforma-corneae-in-hot-springs-by-a-small-volume-procedure
#4
Jung-Sheng Chen, Tsui-Kang Hsu, Bing-Mu Hsu, Tung-Yi Huang, Yu-Li Huang, Men-Fang Shaio, Dar-Der Ji
Vittaforma corneae is an obligate intracellular fungus and can cause human ocular microsporidiosis. Although accumulating reports of V. corneae causing keratoconjunctivitis in both healthy and immunocompromised persons have been published, little is known about the organism's occurrence in aquatic environments. Limitations in detection sensitivity have meant a large sampling volume is required to detect the pathogen up to now, which is problematic. A recent study in Taiwan has shown that some individuals suffering from microsporidial keratitis (MK) were infected after exposure to the pathogen at a hot spring...
April 19, 2017: Water Research
https://www.readbyqxmd.com/read/28432925/structure-of-the-s1-subunit-c-terminal-domain-from-bat-derived-coronavirus-hku5-spike-protein
#5
Xue Han, Jianxun Qi, Hao Song, Qihui Wang, Yanfang Zhang, Ying Wu, Guangwen Lu, Kwok-Yung Yuen, Yi Shi, George F Gao
Accumulating evidence indicates that MERS-CoV originated from bat coronaviruses (BatCoVs). Previously, we demonstrated that both MERS-CoV and BatCoV HKU4 use CD26 as a receptor, but how the BatCoVs evolved to bind CD26 is an intriguing question. Here, we solved the crystal structure of the S1 subunit C-terminal domain of HKU5 (HKU5-CTD), another BatCoV that is phylogenetically related to MERS-CoV but cannot bind to CD26. We observed that the conserved core subdomain and those of other betacoronaviruses (betaCoVs) have a similar topology of the external subdomain, indicating the same ancestor of lineage C betaCoVs...
April 19, 2017: Virology
https://www.readbyqxmd.com/read/28432871/mir-24-3p-is-overexpressed-in-hodgkin-lymphoma-and-protects-hodgkin-and-reed-sternberg-cells-from-apoptosis
#6
Ye Yuan, Joost Kluiver, Jasper Koerts, Debora de Jong, Bea Rutgers, Fazlyn Reeny Abdul Razak, Martijn Terpstra, Boudewijn Plaat, Ilja M Nolte, Arjan Diepstra, Lydia Visser, Klaas Kok, Anke van den Berg
miRNAs play important roles in biological processes, such as proliferation, metabolism, differentiation, and apoptosis, whereas altered expression levels contribute to diseases, such as cancers. We identified miRNAs with aberrant expression in Hodgkin lymphoma (HL) and investigated their role in pathogenesis. Small RNA sequencing revealed 84 significantly differentially expressed miRNAs in HL cell lines as compared to germinal center B cells. Three up-regulated miRNAs-miR-23a-3p, miR-24-3p, and miR-27a-3p-were derived from one primary miRNA transcript...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28432840/detection-of-egfr-mutations-in-patients-with-non-small-cell-lung-cancer-by-high-resolution-melting-comparison-with-other-methods
#7
Carlos Martínez-Carretero, Fernando Iguaz Pascual, Antonio Rus, Ivan Bernardo
BACKGROUND: The discovery of mutations in the epidermal growth factor receptor gene (EGFR) related to the clinical response to tyrosine kinase inhibitors, has transformed the management of non-small cell lung cancer (NSCLC). Several methods have been developed for determination of mutations in EGFR, with different sensitivity and potential ability to detect a different number of mutations. METHODS: We developed a screening method by high resolution melting (HRM) to detect EGFR mutations, and compared the results of 123 fixed in formalin and paraffin embedded (FFPE) tumor tissue samples with the detection of mutations by allele-specific PCR...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28432837/identifying-genetic-sources-of-phenotypic-heterogeneity-in-orofacial-clefts-by-targeted-sequencing
#8
Jenna C Carlson, Margaret A Taub, Eleanor Feingold, Terri H Beaty, Jeffrey C Murray, Mary L Marazita, Elizabeth J Leslie
BACKGROUND: Orofacial clefts (OFCs), including nonsyndromic cleft lip with or without cleft palate (NSCL/P), are common birth defects. NSCL/P is highly heterogeneous with multiple phenotypic presentations. Two common subtypes of NSCL/P are cleft lip (CL) and cleft lip with cleft palate (CLP) which have different population prevalence. Similarly, NSCL/P can be divided into bilateral and unilateral clefts, with unilateral being the most common. Individuals with unilateral NSCL/P are more likely to be affected on the left side of the upper lip, but right side affection also occurs...
April 22, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28432831/oncopeltus-fasciatus-as-an-evo-devo-research-organism
#9
REVIEW
Ariel D Chipman
The large milkweed bug Oncopeltus fasciatus was one of the main study insects for a range of biological questions throughout much of the 20(th) century. Its importance waned with the introduction of Drosophila melanogaster as a genetic model organism. The evo-devo revolution of the turn of the century re-introduced Oncopeltus into the scientific community, and it has proved increasingly useful, mostly within a comparative context for evolution driven research. The last few years have seen a number of significant contributions to our understanding of the evolution of developmental processes in insects, and in arthropods in general, arise from work on Oncopeltus...
April 22, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28432816/rhodnius-prolixus-from-classical-physiology-to-modern-developmental-biology
#10
REVIEW
Rodrigo Nunes-da-Fonseca, Mateus Berni, Vitória Tobias-Dos-Santos, Attilio Pane, Helena Marcolla Araujo
The hemiptera Rhodnius prolixus is a blood-feeding insect and a primary vector of Trypanosoma cruzi, the etiological agent of the Chagas disease. Over the past century, Rhodnius has been the subject of intense investigations, which have contributed to unveil important aspects of metabolism and physiology in insects. Recent technological innovations are helping dissect the genetic and molecular underpinnings of Rhodnius embryogenesis and organogenesis, thus fostering the use of this important species in the fields of developmental and evolutionary biology...
April 22, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28432803/sequencing-and-functional-validation-of-the-jgi-brachypodium-distachyon-t-dna-collection
#11
Mon Mandy Hsia, Ronan O'Malley, Amy Cartwright, Rita Nieu, Sean P Gordon, Sandra Kelly, Tina G Williams, Delilah F Wood, Yunjun Zhao, Jennifer Bragg, Mark Jordan, Markus Pauly, Joseph R Ecker, Yong Gu, John P Vogel
Due to a large and growing collection of genomic and experimental resources, Brachypodium distachyon has emerged as a powerful experimental model for the grasses. To add to these resources we sequenced 21,165 T-DNA lines, 15,569 of which were produced in this study. This increased the number of unique insertion sites in the T-DNA collection by 21,078 bringing the overall total to 26,112. Thirty seven percent (9,754) of these insertion sites are within genes (including UTRs and introns) and 28% (7,217) are within 500 bp of a gene...
April 22, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28432783/gene-structure-and-expression-characteristic-of-a-novel-odorant-receptor-gene-cluster-in-the-parasitoid-wasp-microplitis-mediator-hymenoptera-braconidae
#12
S-N Wang, S Shan, Y Zheng, Y Peng, Z-Y Lu, Y-Q Yang, R-J Li, Y-J Zhang, Y-Y Guo
Odorant receptors (ORs) expressed in the antennae of parasitoid wasps are responsible for detection of various lipophilic airborne molecules. In the present study, 107 novel OR genes were identified from Microplitis mediator antennal transcriptome data. Phylogenetic analysis of the set of OR genes from M. mediator and Microplitis demolitor revealed that M. mediator OR (MmedOR) genes can be classified into different subfamilies, and the majority of MmedORs in each subfamily shared high sequence identities and clear orthologous relationships to M...
April 22, 2017: Insect Molecular Biology
https://www.readbyqxmd.com/read/28432780/single-subject-independent-component-analysis-based-intensity-normalization-in-non-quantitative-multi-modal-structural-mri
#13
Sebastian Papazoglou, Jens Würfel, Friedemann Paul, Alexander U Brandt, Michael Scheel
Non-quantitative MRI is prone to intersubject intensity variation rendering signal intensity level based analyses limited. Here, we propose a method that fuses non-quantitative routine T1-weighted (T1w), T2w, and T2w fluid-saturated inversion recovery sequences using independent component analysis and validate it on age and sex matched healthy controls. The proposed method leads to consistent and independent components with a significantly reduced coefficient-of-variation across subjects, suggesting potential to serve as automatic intensity normalization and thus to enhance the power of intensity based statistical analyses...
April 22, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28432771/a-rare-variant-in-tor1a-exon-5-associated-with-isolated-dystonia-in-southwestern-chinese
#14
Yuzhou Long, Yang Chen, Yuan Qian, Jianlin Wang, Lihua Luo, Xiaoqin Huang, Li Li, Jiayou Chu, Zhaoqing Yang, Hao Sun
BACKGROUND: TOR1A has been proposed as an important genetic factor in early-onset isolated dystonia. Variants located in the 3' untranslated region of TOR1A are of particular importance because they may influence gene expression, although related studies are limited. The objectives of the present study focused on variants in the TOR1A 3' untranslated region. METHODS: The last exon of TOR1A was sequenced in 229 cases with isolated dystonia and in 210 controls. In addition, 471 controls were tested to determine the frequency of the variants in the 3' untranslated region...
April 22, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28432740/novel-3q27-2-qter-deletion-in-a-patient-with-diamond-blackfan-anemia-and-immunodeficiency-case-report-and-review-of-literature
#15
Ebba Alkhunaizi, Brett Schrewe, Reza Alizadehfar, Catherine Vézina, Grant S Stewart, Nancy Braverman
3q27.2-qter deletion syndromes feature an overlapping set of terminal and interstitial deletions with variable congenital malformations. Diamond-Blackfan anemia (DBA) is etiologically heterogeneous disorder in which one cause is dominant mutations of the RPL35A gene on 3q29. We report a child with a 3q27.2-qter deletion that contains the RPL35A gene. She had clinical and laboratory features consistent with DBA and as well, an unexplained immunodeficiency disorder. Given these unusual findings, we reviewed other patients in the literature with overlapping genomic deletions...
April 21, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28432734/monogenic-diabetes-syndromes-locus-specific-databases-for-alstr%C3%A3-m-wolfram-and-thiamine-responsive-megaloblastic-anaemia
#16
Dewi Astuti, Ataf Sabir, Piers Fulton, Malgorzata Zatyka, Denise Williams, Carol Hardy, Gabriella Milan, Francesca Favaretto, Patrick Yu-Wai-Man, Julia Rohayem, Miguel López de Heredia, Tamara Hershey, Lisbeth Tranebjaerg, Jian-Hua Chen, Annabel Chaussenot, Virginia Nunes, Bess Marshall, Susan McAfferty, Vallo Tillmann, Pietro Maffei, Veronique Paquis-Flucklinger, Tarekign Geberhiwot, Wojciech Mlynarski, Kay Parkinson, Virginie Picard, Gema Esteban Bueno, Renuka Dias, Amy Arnold, Caitlin Richens, Richard Paisey, Fumi Urano, Robert Semple, Richard Sinnott, Timothy G Barrett
We developed a variant database for diabetes syndrome genes, using the Leiden Open Variation Database platform, containing observed phenotypes matched to the genetic variations. We populated it with 628 published disease associated variants (December 2016) for: WFS1 (n = 309), CISD2 (n = 3), ALMS1 (n = 268), and SLC19A2 (n = 48) for Wolfram type 1, Wolfram type 2, Alström and Thiamine-responsive megaloblastic anaemia syndromes respectively; and included 23 previously unpublished novel germline variants in WFS1 and 17 variants in ALMS1...
April 21, 2017: Human Mutation
https://www.readbyqxmd.com/read/28432730/assessment-of-voluntary-deep-inspiration-breath-hold-with-cine-imaging-for-breast-radiotherapy
#17
Reuben Patrick Estoesta, Lani Attwood, Diana Naehrig, Elizabeth Claridge-Mackonis, David Odgers, Darren Martin, Melissa Pham, Joanne Toohey, Susan Carroll
Deep Inspiration Breath-Hold (DIBH) techniques for breast cancer radiation therapy (RT) have reduced cardiac dose compared to Free Breathing (FB). Recently, a voluntary deep inspiration breath-hold (vDIBH) technique was established using in-room lasers and skin tattoos to monitor breath-hold. An in-house quality assessment of positional reproducibility during RT delivery with vDIBH in patients with left-sided breast cancer was evaluated. The electronic portal imaging device (EPID) was used in cinematographic (CINE) mode to capture a sequence of images during beam delivery...
April 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28432653/analyzing-glycopeptide-isomers-by-combining-differential-mobility-spectrometry-with-electron-and-collision-based-tandem-mass-spectrometry
#18
J Larry Campbell, Takashi Baba, Chang Liu, Catherine S Lane, J C Yves Le Blanc, James W Hager
Differential mobility spectrometry (DMS) has been employed to separate isomeric species in several studies. Under the right conditions, factors such as separation voltage, temperature, the presence of chemical modifiers, and residence time can combine to provide unique signal channels for isomeric species. In this study, we examined a set of glycopeptide isomers, MUC5AC-3 and MUC5AC-13, which bear an N-acetyl-galactosamine (GalNAc) group on either threonine-3 or threonine-13. When analyzed as a mixture, the resulting MS and MS/MS spectra yield fragmentation patterns that cannot discern these convolved species...
April 21, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28432622/diversity-shift-in-bacterial-phenol-hydroxylases-driven-by-alkyl-phenols-in-oil-refinery-wastewaters
#19
Besma Harzallah, Hacène Bousseboua, Yves Jouanneau
Phenol hydroxylases (PHs) play a primary role in the bacterial degradation of phenol and alkylphenols. They are divided into two main classes, single-component and multi-component PHs, having distinctive catalytic subunits designated as PheA1 and LmPH, respectively. The diversity of these enzymes is still largely unexplored. Here, both LmPH and pheA1 gene sequences were examined in activated sludge from oil refinery wastewaters. Phenol, p-cresol, or 3,4-dimethylphenol (3,4-DMP) supplied as extra carbon sources were rapidly mineralized by the microbial community...
April 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28432608/fpgasw-accelerating-large-scale-smith-waterman-sequence-alignment-application-with-backtracking-on-fpga-linear-systolic-array
#20
Xia Fei, Zou Dan, Lu Lina, Man Xin, Zhang Chunlei
The Smith-Waterman (SW) algorithm based on dynamic programming is a well-known classical method for high precision sequence matching and has become the gold standard to evaluate sequence alignment software. In this paper, we propose fine-grained parallelized SW algorithms using affine gap penalty and implement a parallel computing structures to accelerating the SW with backtracking on FPGA platform. We analysis the dynamic parallel computing features of anti-diagonal elements and storage expansion problem resulting from backtracking stage, and propose a series of optimization strategies to eliminate data dependency, reduce storage requirements, and overlap memory access latency...
April 21, 2017: Interdisciplinary Sciences, Computational Life Sciences
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