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High-Throughput Sequencing

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https://www.readbyqxmd.com/read/28938736/deep-sequencing-shows-that-oocytes-are-not-prone-to-accumulate-mtdna-heteroplasmic-mutations-during-ovarian-ageing
#1
L Boucret, C Bris, V Seegers, D Goudenège, V Desquiret-Dumas, M Domin-Bernhard, V Ferré-L'Hotellier, P E Bouet, P Descamps, P Reynier, V Procaccio, P May-Panloup
STUDY QUESTION: Does ovarian ageing increase the number of heteroplasmic mitochondrial DNA (mtDNA) point mutations in oocytes? SUMMARY ANSWER: Our results suggest that oocytes are not subject to the accumulation of mtDNA point mutations during ovarian ageing. WHAT IS KNOWN ALREADY: Ageing is associated with the alteration of mtDNA integrity in various tissues. Primary oocytes, present in the ovary since embryonic life, may accumulate mtDNA mutations during the process of ovarian ageing...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938152/comparison-of-manual-and-automated-ampliseq%C3%A2-workflows-in-the-typing-of-a-somali-population-with-the-precision-id-identity-panel
#2
Suzanne van der Heijden, Susanne Juel de Oliveira, Marie-Louise Kampmann, Claus Børsting, Niels Morling
The Precision ID Identity Panel was used to type 109 Somali individuals in order to obtain allele frequencies for the Somali population. These frequencies were used to establish a Somali HID-SNP database, which will be used for the biostatistic calculations in family and immigration cases. Genotypes obtained with the Precision ID Identity Panel were found to be almost in complete concordance with genotypes obtained with the SNPforID PCR-SBE-CE assay. In seven SNP loci, silent alleles were identified, of which most were previously described in the literature...
September 14, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28936982/optimization-and-quality-control-of-genome-wide-hi-c-library-preparation
#3
Xiang-Yuan Zhang, Chao He, Bing-Yu Ye, De-Jian Xie, Ming-Lei Shi, Yan Zhang, Wen-Long Shen, Ping Li, Zhi-Hu Zhao
Highest-throughput chromosome conformation capture (Hi-C) is one of the key assays for genome- wide chromatin interaction studies. It is a time-consuming process that involves many steps and many different kinds of reagents, consumables, and equipments. At present, the reproducibility is unsatisfactory. By optimizing the key steps of the Hi-C experiment, such as crosslinking, pretreatment of digestion, inactivation of restriction enzyme, and in situ ligation etc., we established a robust Hi-C procedure and prepared two biological replicates of Hi-C libraries from the GM12878 cells...
September 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28936837/-influence-of-tobacco-chuanminshen-violaceum-rotation-on-microbe-community-in-soil
#4
Dong-Yan Zhang, Jian Zhao, Shui-Ping Yang, Jing-Jing Mo, Da-Min He, Jun Wang, Jian-Yu Gou, Xue Zhang, Wei Jiang, Ming-Xia Wen
Soil microbes are the important indicator of soil quality. For exploring Chuanminshen violaceum planting to microbial effects in tobacco soil, this paper adopted Illumina MiSeq high-throughput sequencing to research the change of bacteria and fungi at the phylum and genus in the soil. The results showed that the Ch. violaceum planting increased the biodiversity of bacteria and fungi. The influence on fungi was greater than that on bacteria. It greatly increased the sequence of fungi, it obtained 32 978 16S rDNA and 32 229 18S rDNA sequence number...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28935950/transcriptome-analyses-suggest-a-novel-hypothesis-for-whitefly-adaptation-to-tobacco
#5
Wen-Qiang Xia, Xin-Ru Wang, Yan Liang, Shu-Sheng Liu, Xiao-Wei Wang
The adaptation of herbivorous insects to various host plants facilitates the spread and outbreak of many important invasive pests, however, the molecular mechanisms that underneath this process are poorly understood. In the past three decades, two species of the whitefly Bemisia tabaci complex, Middle East-Asia Minor 1 and Mediterranean, have invaded many countries. Their rapid and widespread invasions are partially due to their ability to infest a wide range of host plants. In this study, we determined the transcriptome and phenotypic changes of one Mediterranean whitefly population during its adaptation to tobacco, an unsuitable host plant...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935597/ammonia-exposure-alters-the-expression-of-immune-related-and-antioxidant-enzymes-related-genes-and-the-gut-microbial-community-of-crucian-carp-carassius-auratus
#6
Xiao-Zhou Qi, Ming-Yang Xue, Shi-Bo Yang, Ji-Wei Zha, Gao-Xue Wang, Fei Ling
Chronic exposure of ammonia in fish can affect the activities of antioxidant enzymes but few studies investigate the influence of ammonia exposure on the expression of immune-related and antioxidant enzymes-related genes. Also, there is no study demonstrates the effect of ammonia exposure on gut microbial community of fish. In this study, crucian carp (Carassius auratus) were exposed to the ammonia concentrations, 0 (control), 10 mg L(-1) (low) or 50 mg L(-1) (high) for consecutive 30 days at 25 ± 1 °C temperature, respectively, and after that, the fish from all exposure groups were maintained in control conditions for another 15 days...
September 18, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28934591/combining-traditional-mutagenesis-with-new-high-throughput-sequencing-and-genome-editing-to-reveal-hidden-variation-in-polyploid-wheat
#7
Cristobal Uauy, Brande B H Wulff, Jorge Dubcovsky
Induced mutations have been used to generate novel variation for breeding purposes since the early 1900s. However, the combination of this old technology with the new capabilities of high-throughput sequencing has resulted in powerful reverse genetic approaches in polyploid crops. Sequencing genomes or exomes of large mutant populations can generate extensive databases of mutations for most genes. These mutant collections, together with genome editing, are being used in polyploid species to combine mutations in all copies of a gene (homoeologs), and to expose phenotypic variation that was previously hidden by functional redundancy among homoeologs...
September 20, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/28934507/a-comprehensive-cell-specific-microrna-catalogue-of-human-peripheral-blood
#8
Simonas Juzenas, Geetha Venkatesh, Matthias Hübenthal, Marc P Hoeppner, Zhipei Gracie Du, Maren Paulsen, Philip Rosenstiel, Philipp Senger, Martin Hofmann-Apitius, Andreas Keller, Limas Kupcinskas, Andre Franke, Georg Hemmrich-Stanisak
With this study, we provide a comprehensive reference dataset of detailed miRNA expression profiles from seven types of human peripheral blood cells (NK cells, B lymphocytes, cytotoxic T lymphocytes, T helper cells, monocytes, neutrophils and erythrocytes), serum, exosomes and whole blood. The peripheral blood cells from buffy coats were typed and sorted using FACS/MACS. The overall dataset was generated from 450 small RNA libraries using high-throughput sequencing. By employing a comprehensive bioinformatics and statistical analysis, we show that 3' trimming modifications as well as composition of 3' added non-templated nucleotides are distributed in a lineage-specific manner-the closer the hematopoietic progenitors are, the higher their similarities in sequence variation of the 3' end...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934485/detecting-gene-subnetworks-under-selection-in-biological-pathways
#9
Alexandre Gouy, Joséphine T Daub, Laurent Excoffier
Advances in high throughput sequencing technologies have created a gap between data production and functional data analysis. Indeed, phenotypes result from interactions between numerous genes, but traditional methods treat loci independently, missing important knowledge brought by network-level emerging properties. Therefore, detecting selection acting on multiple genes affecting the evolution of complex traits remains challenging. In this context, gene network analysis provides a powerful framework to study the evolution of adaptive traits and facilitates the interpretation of genome-wide data...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934367/exploring-the-salivary-microbiome-of-children-stratified-by-the-oral-hygiene-index
#10
Izumi Mashima, Citra F Theodorea, Boonyanit Thaweboon, Sroisiri Thaweboon, Frank A Scannapieco, Futoshi Nakazawa
Poor oral hygiene often leads to chronic diseases such as periodontitis and dental caries resulting in substantial economic costs and diminished quality of life in not only adults but also in children. In this study, the salivary microbiome was characterized in a group of children stratified by the Simplified Oral Hygiene Index (OHI-S). Illumina MiSeq high-throughput sequencing based on the 16S rRNA was utilized to analyze 90 salivary samples (24 Good, 31 Moderate and 35 Poor oral hygiene) from a cohort of Thai children...
2017: PloS One
https://www.readbyqxmd.com/read/28934318/identification-of-lag3-high-affinity-aptamers-by-ht-selex-and-conserved-motif-accumulation-cma
#11
Mario Martínez Soldevilla, Sandra Hervas, Helena Villanueva, Teresa Lozano, Obdulia Rabal, Julen Oyarzabal, Juan José Lasarte, Maurizio Bendandi, Susana Inoges, Ascensión López-Díaz de Cerio, Fernando Pastor
LAG3 receptor belongs to a family of immune-checkpoints expressed in T lymphocytes and other cells of the immune system. It plays an important role as a rheostat of the immune response. Focus on this receptor as a potential therapeutic target in cancer immunotherapy has been underscored after the success of other immune-checkpoint blockade strategies in clinical trials. LAG3 showcases the interest in the field of autoimmunity as several studies show that LAG3-targeting antibodies can also be used for the treatment of autoimmune diseases...
2017: PloS One
https://www.readbyqxmd.com/read/28934298/transcriptome-analysis-of-callery-pear-pyrus-calleryana-reveals-a-comprehensive-signalling-network-in-response-to-alternaria-alternata
#12
Jialiang Kan, Tingli Liu, Na Ma, Hui Li, Xiaogang Li, Jinyan Wang, Baolong Zhang, Youhong Chang, Jing Lin
The pear is an important temperate fruit worldwide that is produced by a group of species in the genus Pyrus. Callery pear (Pyrus calleryana Decne) is characterized by high resistance to multiple diseases, good adaptability, and high ornamental value, and is therefore widely planted in pear orchards for edible fruit production or as stock. Plant pathogens are a major threat to pear yield. Black spot disease, caused by the filamentous fungus Alternaria alternata, is one of the most serious diseases in pear. Elucidation of resistant genes to black spot disease is extremely important for understanding the underlying mechanisms as well as for the development of resistant cultivars...
2017: PloS One
https://www.readbyqxmd.com/read/28934224/identification-and-analysis-of-differentially-expressed-long-non-coding-rnas-between-multiparous-and-uniparous-goat-capra-hircus-ovaries
#13
Yinghui Ling, Lina Xu, Long Zhu, Menghua Sui, Qi Zheng, Wenyong Li, Yong Liu, Fugui Fang, Xiaorong Zhang
Long non-coding RNAs (lncRNAs) play important roles in almost all biological processes. However, there is little information on the effects of lncRNAs on ovulation and lambing rates. In the present study, we used high-throughput RNA sequencing to identify differentially expressed lncRNAs between the ovaries of multiparous (Mul) and uniparous (Uni) Anhui White goats. Among the 107,255,422 clean reads, 183,754 lncRNAs were significantly differentially expressed between the Uni and Mul. Among them, 455 lncRNAs were co-expressed between the two samples, whereas, 157,523 lncRNAs were uniquely expressed in the Uni, and 25,776 uniquely lncRNAs were expressed in the Mul...
2017: PloS One
https://www.readbyqxmd.com/read/28933832/detoxification-of-atrazine-by-low-molecular-weight-thiols-in-alfalfa-medicago-sativa
#14
Jing Jing Zhang, Jiang-Yan Xu, Feng Fan Lu, She Feng Jin, Hong Yang
Low molecular weight (LMW) thiols in higher plants are a group of sulfur-rich non-protein compounds and play primary and multiple roles in cellular redox homeostasis, enzyme activities, and xenobiotics detoxification. This study focused on identifying thiols-related protein genes from the legume alfalfa exposed to the herbicide atrazine (ATZ) residues in environment. Using high-throughput RNA-sequencing, a set of ATZ-responsive thiols-related protein genes highly up-regulated and differentially expressed in alfalfa were identified...
September 21, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28933684/screening-of-primary-gp120-immunogens-to-formulate-the-next-generation-polyvalent-dna-prime-protein-boost-hiv-1-vaccines
#15
Shixia Wang, Te-Hui Wu, Anthony Hackett, Veronica Efros, Yan Wang, Dong Han, Aaron Wallace, Yuxin Chen, Guangnan Hu, Shuying Liu, Paul Clapham, James Arthos, David Montefiori, Shan Lu
Our previous preclinical studies and a Phase I clinical trial DP6-001 have indicated that a polyvalent Env formulation was able to elicit broadly reactive antibody responses including low titer neutralizing antibody responses against viral isolates of subtypes A, B, C and AE. In the current report, a panel of 62 gp120 immunogens were screened in a rabbit model to identify gp120 immunogens that can elicit improved binding and neutralizing antibody responses and some of them can be included in the next polyvalent formulation...
September 21, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28933584/circular-rna-hsa_circ_0001982-promotes-breast-cancer-cell-carcinogenesis-through-decreasing-mir-143
#16
Yi-Yin Tang, Ping Zhao, Tian-Ning Zou, Jia-Jun Duan, Rong Zhi, Si-Yuan Yang, De-Chun Yang, Xiao-Li Wang
Circular RNAs (circRNAs) are a type of noncoding RNAs generated from back-splicing, which have been verified to mediate multiple tumorigenesis. With the development of high-throughput sequencing, massive circRNAs are discovered in tumorous tissue. However, the potential physiological effect of circRNAs in breast cancer is still unknown. The purpose of this study is to investigate the expression profile of circRNA in breast cancer tissue and explore the in-depth regulatory mechanism in breast cancer tumorigenesis...
September 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28932815/a-multicenter-study-to-evaluate-the-performance-of-high-throughput-sequencing-for-virus-detection
#17
Arifa S Khan, Siemon H S Ng, Olivier Vandeputte, Aisha Aljanahi, Avisek Deyati, Jean-Pol Cassart, Robert L Charlebois, Lanyn P Taliaferro
The capability of high-throughput sequencing (HTS) for detection of known and unknown viruses makes it a powerful tool for broad microbial investigations, such as evaluation of novel cell substrates that may be used for the development of new biological products. However, like any new assay, regulatory applications of HTS need method standardization. Therefore, our three laboratories initiated a study to evaluate performance of HTS for potential detection of viral adventitious agents by spiking model viruses in different cellular matrices to mimic putative materials for manufacturing of biologics...
September 2017: MSphere
https://www.readbyqxmd.com/read/28932623/proteomics-technique-opens-new-frontiers-in-mobilome-research
#18
COMMENT
Andrew D Davidson, David A Matthews, Kevin Maringer
A large proportion of the genome of most eukaryotic organisms consists of highly repetitive mobile genetic elements. The sum of these elements is called the "mobilome," which in eukaryotes is made up mostly of transposons. Transposable elements contribute to disease, evolution, and normal physiology by mediating genetic rearrangement, and through the "domestication" of transposon proteins for cellular functions. Although 'omics studies of mobilome genomes and transcriptomes are common, technical challenges have hampered high-throughput global proteomics analyses of transposons...
2017: Mobile Genetic Elements
https://www.readbyqxmd.com/read/28931057/challenges-and-advances-for-transcriptome-assembly-in-non-model-species
#19
Arnaud Ungaro, Nicolas Pech, Jean-François Martin, R J Scott McCairns, Jean-Philippe Mévy, Rémi Chappaz, André Gilles
Analyses of high-throughput transcriptome sequences of non-model organisms are based on two main approaches: de novo assembly and genome-guided assembly using mapping to assign reads prior to assembly. Given the limits of mapping reads to a reference when it is highly divergent, as is frequently the case for non-model species, we evaluate whether using blastn would outperform mapping methods for read assignment in such situations (>15% divergence). We demonstrate its high performance by using simulated reads of lengths corresponding to those generated by the most common sequencing platforms, and over a realistic range of genetic divergence (0% to 30% divergence)...
2017: PloS One
https://www.readbyqxmd.com/read/28930861/targeted-gene-panel-sequencing-for-early-onset-inflammatory-bowel-disease-and-chronic-diarrhea
#20
Britt-Sabina Petersen, Dietrich August, Renate Abt, Moudjahed Alddafari, Lida Atarod, Safa Baris, Hemant Bhavsar, Florian Brinkert, Mary Buchta, Alla Bulashevska, Ronnie Chee, Ana I Cordeiro, Naghi Dara, Gregor Dückers, Aisha Elmarsafy, Natalie Frede, Nermeen Galal, Patrick Gerner, Erik-Oliver Glocker, Sigune Goldacker, Jutta Hammermann, Peter Hasselblatt, Zuzana Havlicekova, Katrin Hübscher, Milos Jesenak, Neslihan E Karaca, Elif Karakoc-Aydiner, Mahboubeh M Kharaghani, Sara S Kilic, Ayca Kiykim, Christoph Klein, Christian Klemann, Robin Kobbe, Daniel Kotlarz, Martin W Laass, T Ronan Leahy, Mehrnaz Mesdaghi, Sally Mitton, João F Neves, Birol Öztürk, Luis F Pereira, Jan Rohr, Jessica L R Restrepo, Gunda Ruzaike, Nadia Saleh, Suranjith Seneviratne, Ebru Senol, Carsten Speckmann, Daniel Tegtmeyer, Paul Thankam, Jutte van der Werff Ten Bosch, Horst von Bernuth, Sebastian Zeissig, Yvonne Zeissig, Andre Franke, Bodo Grimbacher
BACKGROUND: In contrast to adult-onset inflammatory bowel disease (IBD), where many genetic loci have been shown to be involved in complex disease etiology, early-onset IBD (eoIBD) and associated syndromes can sometimes present as monogenic conditions. As a result, the clinical phenotype and ideal disease management in these patients often differ from those in adult-onset IBD. However, due to high costs and the complexity of data analysis, high-throughput screening for genetic causes has not yet become a standard part of the diagnostic work-up of eoIBD patients...
September 19, 2017: Inflammatory Bowel Diseases
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