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https://www.readbyqxmd.com/read/28651381/meta-barcoding-in-combination-with-palynological-inference-is-a-potent-diagnostic-marker-for-honey-floral-composition
#1
Rama Chandra Laha, Surajit De Mandal, Lalhmanghai Ralte, Laldinfeli Ralte, Nachimuthu Senthil Kumar, Guruswami Gurusubramanian, Ramalingam Satishkumar, Raja Mugasimangalam, Nagesh Aswathnarayana Kuravadi
Identification of floral samples present in honey is important in order to determine the medicinal value, enhance the production of honey as well as to conserve the honey bees. Traditional approaches for studying pollen samples are based on microscopic observation which is laborious, time intensive and requires specialized palynological knowledge. Present study compares two composite honey metagenome collected from 20 samples in Mizoram, Northeast India using three gene loci- rbcL, matK and ITS2 that was sequenced using a next-generation sequencing (NGS) platform (Illumina Miseq)...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28650976/effect-of-praziquantel-on-the-differential-expression-of-mouse-hepatic-genes-and-parasite-atp-binding-cassette-transporter-gene-family-members-during-schistosoma-mansoni-infection
#2
Melissa C Sanchez, Katina V Krasnec, Amalia S Parra, Christian von Cabanlong, Geoffrey N Gobert, Boris Umylny, Pauline M Cupit, Charles Cunningham
Schistosomiasis is a chronic parasitic disease caused by sexually dimorphic blood flukes of the genus Schistosoma. Praziquantel (PZQ) is the only drug widely available to treat the disease but does not kill juvenile parasites. Here we report the use of next generation sequencing to study the transcriptional effect of PZQ on murine hepatic inflammatory, immune and fibrotic responses to Schistosoma mansoni worms and eggs. An initial T helper cell 1 (Th1) response is induced against schistosomes in mice treated with drug vehicle (Vh) around the time egg laying begins, followed by a T helper cell 2 (Th2) response and the induction of genes whose action leads to granuloma formation and fibrosis...
June 26, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28650483/disease-model-discovery-from-3-328-gene-knockouts-by-the-international-mouse-phenotyping-consortium
#3
Terrence F Meehan, Nathalie Conte, David B West, Julius O Jacobsen, Jeremy Mason, Jonathan Warren, Chao-Kung Chen, Ilinca Tudose, Mike Relac, Peter Matthews, Natasha Karp, Luis Santos, Tanja Fiegel, Natalie Ring, Henrik Westerberg, Simon Greenaway, Duncan Sneddon, Hugh Morgan, Gemma F Codner, Michelle E Stewart, James Brown, Neil Horner, Melissa Haendel, Nicole Washington, Christopher J Mungall, Corey L Reynolds, Juan Gallegos, Valerie Gailus-Durner, Tania Sorg, Guillaume Pavlovic, Lynette R Bower, Mark Moore, Iva Morse, Xiang Gao, Glauco P Tocchini-Valentini, Yuichi Obata, Soo Young Cho, Je Kyung Seong, John Seavitt, Arthur L Beaudet, Mary E Dickinson, Yann Herault, Wolfgang Wurst, Martin Hrabe de Angelis, K C Kent Lloyd, Ann M Flenniken, Lauryl M J Nutter, Susan Newbigging, Colin McKerlie, Monica J Justice, Stephen A Murray, Karen L Svenson, Robert E Braun, Jacqueline K White, Allan Bradley, Paul Flicek, Sara Wells, William C Skarnes, David J Adams, Helen Parkinson, Ann-Marie Mallon, Steve D M Brown, Damian Smedley
Although next-generation sequencing has revolutionized the ability to associate variants with human diseases, diagnostic rates and development of new therapies are still limited by a lack of knowledge of the functions and pathobiological mechanisms of most genes. To address this challenge, the International Mouse Phenotyping Consortium is creating a genome- and phenome-wide catalog of gene function by characterizing new knockout-mouse strains across diverse biological systems through a broad set of standardized phenotyping tests...
June 26, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28650476/cry2h-seq-a-massively-multiplexed-assay-for-deep-coverage-interactome-mapping
#4
Shelly A Trigg, Renee M Garza, Andrew MacWilliams, Joseph R Nery, Anna Bartlett, Rosa Castanon, Adeline Goubil, Joseph Feeney, Ronan O'Malley, Shao-Shan C Huang, Zhuzhu Z Zhang, Mary Galli, Joseph R Ecker
Broad-scale protein-protein interaction mapping is a major challenge given the cost, time, and sensitivity constraints of existing technologies. Here, we present a massively multiplexed yeast two-hybrid method, CrY2H-seq, which uses a Cre recombinase interaction reporter to intracellularly fuse the coding sequences of two interacting proteins and next-generation DNA sequencing to identify these interactions en masse. We applied CrY2H-seq to investigate sparsely annotated Arabidopsis thaliana transcription factors interactions...
June 26, 2017: Nature Methods
https://www.readbyqxmd.com/read/28650266/disease-suppressive-soils-new-insights-from-the-soil-microbiome
#5
Daniel Schlatter, Linda L Kinkel, Linda S Thomashow, David M Weller, Timothy Carl Paulitz
Soils suppressive to soilborne pathogens have been identified world-wide for almost 60 years and attributed mainly to suppressive or antagonistic microorganisms. Rather than identifying, testing and applying potential biocontrol agents in an inundative fashion, research into suppressive soils has attempted to understand how indigenous microbiomes can reduce disease, even in the presence of the pathogen, susceptible host, and favorable environment. Recent advances in next-generation sequencing of microbiomes have provided new tools to reexamine and further characterize the nature of these soils...
June 26, 2017: Phytopathology
https://www.readbyqxmd.com/read/28649842/lipo-oligomer-nanoformulations-for-targeted-intracellular-protein-delivery
#6
Peng Zhang, Benjamin Steinborn, Ulrich Lächelt, Stefan Zahler, Ernst Wagner
Here, we report novel lipo-oligoaminoamide nanoformulations for targeted intracellular protein delivery. Formulations are generated by first bioreversibly conjugating a sequence-defined amphiphilic lipo-oligomer 728 to the cargo protein via disulfide bonds, followed by formulation of the formed 728-SS-protein conjugate with different helper lipids in various compositions. The triblock oligoaminoamide 728 contains cysteines for reversible covalent protein conjugation and crosslink-stabilization of formed nanoparticles, polyethylene glycol (PEG) for shielding and providing a hydrophilic domain, eight cationizable succinoyl tetraethylene pentamine (Stp) repeats for endosomal buffering and escape into the cytosol, and a tetra-oleic acid block for hydrophobic stabilization...
June 26, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28649807/microrna-196-regulates-hox-gene-expression-in-human-gluteal-adipose-tissue
#7
Adeline Divoux, Hui Xie, Jian-Liang Li, Kalypso Karastergiou, Ranjan J Perera, R Jeffrey Chang, Susan K Fried, Steven R Smith
OBJECTIVE: Lower body fat is associated with diminishing cardiometabolic risk. Physiological differences between gluteofemoral and abdominal subcutaneous adipocyte functions are known, but the molecular basis for depot differences in adipocyte function is poorly understood. The objective of this study was to identify depot differences in microRNA (miRNA) expression in human abdominal and gluteofemoral subcutaneous adipose tissues and their implication in gene regulation. METHODS: Abdominal and gluteofemoral adipose tissue aspirates obtained from 18 participants (9 male and 9 female, age 30 ± 1...
June 25, 2017: Obesity
https://www.readbyqxmd.com/read/28649653/an-alternative-model-for-breast-cancer-predisposition
#8
REVIEW
Erik Teugels, Sylvia De Brakeleer
While environmental factors can greatly increase cancer risk, it is clear that an individual's genetic constitution has strong impact on tumor formation. Hereby we present an alternative cancer predisposition model built on the assumption that efficiencies of DNA maintenance mechanisms in normal cells are similar but not identical for each person. Small variations in an individual's genetic constitution may result in slightly increased genomic instability and generate typical mutational signatures in normal cells...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28649453/informed-consent-for-next-generation-nucleotide-sequencing-studies-aiding-communication-between-participants-and-investigators
#9
Rhonda G Kost, Stephen M Poppel, Barry S Coller
INTRODUCTION: Obtaining informed consent from prospective participants for research studies that include next-generation nucleotide sequencing (NGS) presents significant challenges because of the need to explain all the potential implications of participating, including the possible return of "incidental" findings, in easy-to-understand language. METHODS AND RESULTS: After reviewing the consent processes at other institutions, we decided to supplement the protocol-specific informed consent form with the following: (1) a short pamphlet for the prospective participant that includes a series of questions that she or he is encouraged to ask the investigator, and (2) a more detailed companion guide for investigators to help them develop simple-language answers to the questions...
April 2017: Journal of clinical and translational science
https://www.readbyqxmd.com/read/28649355/resequencing-and-comparison-of-whole-mitochondrial-genome-to-gain-insight-into-the-evolutionary-status-of-the-shennongjia-golden-snub-nosed-monkey-snj-r-roxellana
#10
Yanyun Hong, Hairui Duo, Juyun Hong, Jinyuan Yang, Shiming Liu, Lianghui Yu, Tuyong Yi
Shennongjia Rhinopithecus roxellana (SNJ R. roxellana) is the smallest geographical population of R. roxellana. The phylogenetic relationships among its genera and species and the biogeographic processes leading to their current distribution are largely unclear. To address these issues, we resequenced and obtained a new, complete mitochondrial genome of SNJ R. roxellana by next-generation sequencing and standard Sanger sequencing. We analyzed the gene composition, constructed a phylogenetic tree, inferred the divergence ages based on complete mitochondrial genome sequences, and analyzed the genetic divergence of 13 functional mtDNA genes...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28649327/are-we-ready-to-detect-nematode-diversity-by-next-generation-sequencing
#11
Thomas Peham, Florian M Steiner, Birgit C Schlick-Steiner, Wolfgang Arthofer
In a Technical Advance article, Porazinska et al. (2009, Molecular Ecology Resources, 9, 1439-1450) assessed next generation sequencing (NGS) as a method for metagenomic analysis of nematode diversity. We agree that NGS has great potential here. However, it is not an easy path to the successful implementation of NGS for environmental DNA analysis of nematodes. Here, we describe the method's limitations and discuss prospective research questions. For instance, only a few direct extraction kits are suitable for nematode DNA extraction from bulk samples without adaptation...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28649286/autism-spectrum-disorder-and-epileptic-encephalopathy-common-causes-many-questions
#12
REVIEW
Siddharth Srivastava, Mustafa Sahin
Epileptic encephalopathies represent a particularly severe form of epilepsy, associated with cognitive and behavioral deficits, including impaired social-communication and restricted, repetitive behaviors that are the hallmarks of autism spectrum disorder (ASD). With the advent of next-generation sequencing, the genetic landscape of epileptic encephalopathies is growing and demonstrates overlap with genes separately implicated in ASD. However, many questions remain about this connection, including whether epileptiform activity itself contributes to the development of ASD symptomatology...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28649135/synthetic-lethality-and-cancer
#13
REVIEW
Nigel J O'Neil, Melanie L Bailey, Philip Hieter
A synthetic lethal interaction occurs between two genes when the perturbation of either gene alone is viable but the perturbation of both genes simultaneously results in the loss of viability. Key to exploiting synthetic lethality in cancer treatment are the identification and the mechanistic characterization of robust synthetic lethal genetic interactions. Advances in next-generation sequencing technologies are enabling the identification of hundreds of tumour-specific mutations and alterations in gene expression that could be targeted by a synthetic lethality approach...
June 26, 2017: Nature Reviews. Genetics
https://www.readbyqxmd.com/read/28648934/molecular-alterations-in-lesions-of-anogenital-mammary-like-glands-and-their-mammary-counterparts-including-hidradenoma-papilliferum-intraductal-papilloma-fibroadenoma-and-phyllodes-tumor
#14
Anastasia M Konstantinova, Tomas Vanecek, Petr Martinek, Liubov Kyrpychova, Dominic V Spagnolo, Colin J R Stewart, Francesca Portelli, Michal Michal, Dmitry V Kazakov
Lesions affecting anogenital mammary-like glands (AGMLG) are histopathologically very similar to those seen in the breast but whether this morphological similarity is also reflected at the genetic level is unknown. To compare the underlying molecular mechanisms in lesions of AGMLG and their mammary counterparts, we analyzed the mutational profile of 16 anogenital neoplasms including 5 hidradenomas papilliferum (HP), 1 lesion with features of HP and fibroadenoma (FA), 7 FA, 3 phyllodes tumors (PhT)) and 18 analogous breast lesions (6 intraductal papillomas (IDP), 9 FA, and 3 PhT) by high-coverage next generation sequencing (NGS) using a panel comprising 50 cancer-related genes...
June 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28648853/next-generation-sequencing-of-oral-microbiota-in-type-2-diabetes-mellitus-prior-to-and-after-neem-stick-usage-and-correlation-with-serum-monocyte-chemoattractant-1
#15
Rubini Anbalagan, Padma Srikanth, Monika Mani, Ramya Barani, Krishna G Seshadri, R Janarthanan
INTRODUCTION: Oral microbiome impacts health and disease. T2DM and periodontitis are associated. Neem (Azadiracta indica) has antibacterial activity against oral microbiota. OBJECTIVES: To characterize oral microbiota (OMB) in saliva samples of T2DM patients by Next generation sequencing. To analyze MCP-1 levels among the T2DM patients before and after a month of neem stick usage as a toothbrush. MATERIALS AND METHODS: Blood and saliva samples were collected from adult T2DM patients before and after the neem stick usage...
June 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28648154/-the-cause-of-cytopenia-of-undetermined-significance-can-often-be-found-by-using-next-generation-sequencing
#16
Jakob Werner Hansen, Simon Husby, Kirsten Grønbæk
Patients with persistent cytopenia are frequently referred to the haematological departments , and a diagnosis of myelodysplastic syndrome is often suspected. After routine assessment including a broad range of blood tests, bone marrow biopsy, and cytogenetics, a definite diagnosis can still not be found for some patients, although they have symptomatic cytopenia. In these cases, next generation sequencing is a valuable supplement in identifying patients with early stages of myeloid cancer.
June 19, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28647964/-association-between-single-nucleotide-polymorphism-of-bard1-gene-and-brca1-gene-mutation-in-epithelial-ovarian-cancer
#17
W L Liu, J Z Zhao, Z Z Wang, B Dong, Y Y Hou, X X Wu, Y J Guo
Objective: To investigate the relationship between single nucleotide polymorphism (SNP) of BARD1 gene and BRCA1 gene in epithelial ovarian cancer (EOC). Methods: Nineteen EOC patients with BRCA1 gene mutation and 50 EOC cases without BRCA1 gene mutation between January 2016 and October 2016 were collected, and all EOC were diagnosed by pathological method. BARD1 gene variants were detected by next generation sequencing (NGS). The SNP of BARD1 gene was analyzed by Pearson linear correlation. Logistic regression analysis was used to research the clinicopathologic features and BRCA1 gene mutation associated with BARD1 gene SNP...
June 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28647786/mosaic-embryo-transfer-after-oocyte-in-vitro-maturation-in-combination-with-non-invasive-prenatal-testing-nipt-first-report-of-a-euploid%C3%A2-live-birth
#18
Naomi Inoue, Rosmary Lopez, Andrea Delgado, Denisse Nuñez, Jimmy Portella, Luis Noriega-Hoces, Luis Guzmán
PURPOSES: The purpose of this study is to describe a healthy life birth after a mosaic embryo transfer in oocyte in vitro maturation (IVM). METHODS: Patient received minimal stimulation, starting on day 3 after menstrual period. No hCG trigger was administered. Oocyte retrieval was performed and oocytes were matured for 30 h. After denuding, mature oocytes were inseminated by ICSI. Embryos were cultured until blastocyst stage and biopsied. RESULTS: One euploid embryo after array comprehensive genome hybridization (aCGH) was diagnostic...
June 24, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28647693/recognition-investigation-and-management-of-mitochondrial-disease
#19
REVIEW
James E Davison, Shamima Rahman
Mitochondria are dynamic organelles present in virtually all human cells that are needed for a multitude of cellular functions, including energy production, control of cell apoptosis and numerous biochemical catabolic and synthetic pathways that are critical for cellular health. Primary mitochondrial disorders are a group of greater than 200 single gene defects arising from two genomes (nuclear and mitochondrial) leading to mitochondrial dysfunction, and are associated with extremely heterogeneous phenotypes...
June 24, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28647561/identification-of-a-novel-splicing-mutation-within-slc17a8-in-a-korean-family-with-hearing-loss-by-whole-exome-sequencing
#20
Nari Ryu, Seokwon Lee, Hong-Joon Park, Byeonghyeon Lee, Tae-Jun Kwon, Jinwoong Bok, Chan Ik Park, Kyu-Yup Lee, Jeong-In Baek, Un-Kyung Kim
Hereditary hearing loss (HHL) is a common genetically heterogeneous disorder, which follows Mendelian inheritance in humans. Because of this heterogeneity, the identification of the causative gene of HHL by linkage analysis or Sanger sequencing have shown economic and temporal limitations. With recent advances in next-generation sequencing (NGS) techniques, rapid identification of a causative gene via massively parallel sequencing is now possible. We recruited a Korean family with three generations exhibiting autosomal dominant inheritance of HL, and the clinical information about this family revealed that there are no other symptoms accompanied with HL...
June 21, 2017: Gene
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