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https://www.readbyqxmd.com/read/28097647/microbiota-composition-and-pulmonary-surfactant-protein-expression-as-markers-of-death-by-drowning
#1
So-Yeon Lee, Seung-Kyun Woo, So-Min Lee, Eun-Ju Ha, Kyoung-Hee Lim, Kyung-Hwa Choi, Young-Hee Roh, Yong-Bin Eom
Pathological diagnosis of drowning remains a challenge for forensic science, because of a lack of pathognomonic findings. We analyzed microbiota and surfactant protein in the lungs for a novel diagnosis of drowning. All rats were divided into drowning, postmortem submersion, and control groups. The water, lungs, closed organs (kidney and liver), and cardiac blood in rats were assayed by targeting 16S ribosomal RNA of Miseq sequencing. Lung samples were analyzed by immunohistochemical staining for surfactant protein A...
January 18, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28094284/the-composition-of-human-milk-and-infant-faecal-microbiota-over-the-first-three-months-of-life-a-pilot-study
#2
Kiera Murphy, David Curley, Tom F O'Callaghan, Carol-Anne O'Shea, Eugene M Dempsey, Paul W O'Toole, R Paul Ross, C Anthony Ryan, Catherine Stanton
Human milk contains a diverse array of bioactives and is also a source of bacteria for the developing infant gut. The aim of this study was to characterize the bacterial communities in human milk and infant faeces over the first 3 months of life, in 10 mother-infant pairs. The presence of viable Bifidobacterium and Lactobacillus in human milk was also evaluated. MiSeq sequencing revealed a large diversity of the human milk microbiota, identifying over 207 bacterial genera in milk samples. The phyla Proteobacteria and Firmicutes and the genera Pseudomonas, Staphylococcus and Streptococcus were the predominant bacterial groups...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093673/metagenomic-insights-into-effects-of-spent-engine-oil-perturbation-on-the-microbial-community-composition-and-function-in-a-tropical-agricultural-soil
#3
Lateef B Salam, Sunday O Obayori, Francisca O Nwaokorie, Aisha Suleiman, Raheemat Mustapha
Analyzing the microbial community structure and functions become imperative for ecological processes. To understand the impact of spent engine oil (SEO) contamination on microbial community structure of an agricultural soil, soil microcosms designated 1S (agricultural soil) and AB1 (agricultural soil polluted with SEO) were set up. Metagenomic DNA extracted from the soil microcosms and sequenced using Miseq Illumina sequencing were analyzed for their taxonomic and functional properties. Taxonomic profiling of the two microcosms by MG-RAST revealed the dominance of Actinobacteria (23...
January 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091681/microbial-rrna-sequencing-analysis-of-evaporative-cooler-indoor-environments-located-in-the-great-basin-desert-region-of-the-united-states
#4
Angela R Lemons, Mary Beth Hogan, Ruth A Gault, Kathleen Holland, Edward Sobek, Kimberly A Olsen-Wilson, Yeonmi Park, Ju-Hyeong Park, Ja Kook Gu, Michael L Kashon, Brett J Green
Recent studies conducted in the Great Basin Desert region of the United States have shown that skin test reactivity to fungal and dust mite allergens are increased in children with asthma or allergy living in homes with evaporative coolers (EC). The objective of this study was to determine if the increased humidity previously reported in EC homes leads to varying microbial populations compared to homes with air conditioners (AC). Children with physician-diagnosed allergic rhinitis living in EC or AC environments were recruited into the study...
January 16, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28090413/development-of-microsatellite-markers-in-garcinia-paucinervis-clusiaceae-an-endangered-species-of-karst-habitats
#5
Gang Hu, Zhong-Hua Zhang, Ping Yang, Qi-Wei Zhang, Chang-An Yuan
PREMISE OF THE STUDY: Microsatellite markers were developed for Garcinia paucinervis (Clusiaceae), an endangered and endemic tree species of karst habitats, to analyze its genetic diversity and genetic structure. METHODS AND RESULTS: Using shotgun sequencing on an Illumina MiSeq platform, a total of 22 microsatellite primer sets were characterized, of which 17 were identified as polymorphic. For these polymorphic loci, the total number of alleles per locus ranged from two to 12 across 54 individuals from three populations...
January 2017: Applications in Plant Sciences
https://www.readbyqxmd.com/read/28088403/ginkgo-fruit-extract-as-an-additive-to-modify-rumen-microbiota-and-fermentation-and-to-mitigate-methane-production
#6
S Oh, R Shintani, S Koike, Y Kobayashi
Ginkgo fruit, an unused byproduct of the ginkgo nut industry, contains antimicrobial compounds known as anacardic acids. Two major cultivars of ginkgo, Kyuju (K) and Tokuro (T), were evaluated for their potential as a feed additive for ruminants. In batch culture, we incubated a mixture of hay and concentrate in diluted rumen fluid with or without 1.6% (fruit equivalent) ginkgo fruit extract. We conducted another series of batch culture studies to determine the dose response of fermentation. We also conducted continuous culture using the rumen simulation technique (RUSITEC) with cultivar K and carried out a pure culture study to monitor the sensitivity of 17 representative rumen bacterial species to ginkgo extract and component phenolics...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28087531/salivary-gluten-degradation-and-oral-microbial-profiles-in-health-and-celiac-disease
#7
Na Tian, Lina Faller, Daniel A Leffler, Ciaran P Kelly, Joshua Hansen, Jos A Bosch, Guoxian Wei, Bruce J Paster, Detlef Schuppan, Eva J Helmerhorst
: Celiac disease (CD) is a chronic immune-mediated enteropathy induced by dietary gluten in genetically predisposed individuals. Saliva harbors the second highest bacterial load of the GI tract after the colon. Moreover, saliva contains gluten-degrading enzymes produced by oral bacteria that may modify gluten processing in the intestine and susceptibility to celiac disease (CD). AIM: To investigate salivary enzymatic activities and oral microbial profiles in healthy subjects vs patients with classical and refractory CD...
January 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28087349/combination-of-multiple-ligation-dependent-probe-amplification-and-illumina-miseq-amplicon-sequencing-for-tsc1-tsc2-gene-analyses-in-patients-with-tuberous-sclerosis-complex
#8
Nur Farrah Dila Ismail, Abdul Qawee Rani, Nik Mohd Ariff Nik Abdul Malik, Chia Boon Hock, Siti Nabilahuda Mohd Azlan, Salmi Abdul Razak, Wee Teik Keng, Lock Hock Ngu, Abdul Rashid Silawati, Nor AzniYahya, Narazah Mohd Yusoff, Teguh Haryo Sasongko, Zabidi Azhar Mohd Hussin
Tuberous sclerosis complex (TSC) is an autosomal dominant neurocutaneous disorder characterized by tumor growth in multiple organs and caused by mutations in either TSC1 or TSC2 genes. Because of their relatively large genomic sizes, absence of hotspots, and common type of mutations, mutation detection in TSC1 and TSC2 genes has been challenging. We devised a combination of multiple ligation-dependent probe amplification (MLPA) and amplicon sequencing (AS) to simplify the detection strategy, yet we come up with reasonably high detection rate...
January 10, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28078776/performance-of-the-forenseq-tm-dna-signature-prep-kit-on-highly-degraded-samples
#9
Paolo Fattorini, Carlo Previderé, Ilaria Carboni, Giorgio Marrubini, Solange Sorçaburu-Cigliero, Pierangela Grignani, Barbara Bertoglio, Paolo Vatta, Ugo Ricci
Next generation sequencing (NGS) is the emerging technology in forensic genomics laboratories. It offers higher resolution to address most problems of human identification, greater efficiency and potential ability to interrogate very challenging forensic casework samples. In the present study, a trial set of DNA samples was artificially degraded, by progressive aqueous hydrolysis, and analyzed together with the corresponding unmodified DNA sample and control sample 2800M, to test the performance and reliability of the ForenSeq(TM) DNA Signature Prep kit using the MiSeq Sequencer (Illumina)...
January 12, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28078750/metabolic-adaptation-of-colonic-microbiota-to-galactooligosaccharides-a-proof-of-concept-study
#10
M Mego, C Manichanh, A Accarino, D Campos, M Pozuelo, E Varela, J Vulevic, G Tzortzis, G Gibson, F Guarner, F Azpiroz
BACKGROUND: Prebiotics have been shown to reduce abdominal symptoms in patients with functional gut disorders, despite that they are fermented by colonic bacteria and may induce gas-related symptoms. AIM: To investigate changes in the metabolic activity of gut microbiota induced by a recognised prebiotic. METHODS: Healthy subjects (n = 20) were given a prebiotic (2.8 g/day HOST-G904, HOST Therabiomics, Jersey, Channel Islands) for 3 weeks...
January 12, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28078444/mps-analysis-of-the-mtdna-hypervariable-regions-on-the-miseq-with-improved-enrichment
#11
Mitchell M Holland, Laura A Wilson, Sarah Copeland, Gloria Dimick, Charity A Holland, Robert Bever, Jennifer A McElhoe
The non-coding displacement (D) loop of the human mitochondrial (mt) genome contains two hypervariable regions known as HVR1 and HVR2 that are most often analyzed by forensic DNA laboratories. The massively parallel sequencing (MPS) protocol from Illumina (Human mtDNA D-Loop Hypervariable Region protocol) utilizes four sets of established PCR primer pairs for the initial amplification (enrichment) step that span the hypervariable regions. Transposase adapted (TA) sequences are attached to the 5'-end of each primer, allowing for effective library preparation prior to analysis on the MiSeq, and AmpliTaq Gold DNA polymerase is the enzyme recommended for amplification...
January 11, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28076447/lower-methane-emissions-from-yak-compared-with-cattle-in-rusitec-fermenters
#12
Jiandui Mi, Jianwei Zhou, Xiaodan Huang, Ruijun Long
Globally methane (CH4) emissions from ruminant livestock account for 29% of total CH4 emissions. Inherited variation about CH4 emissions of different animal species might provide new opportunity for manipulating CH4 production. Six rumen-simulating fermenters (Rusitec) were set up for this study lasting for 16 d. The diet consisted of forage to concentrate ratio of 50:50 with barley straw as the forage. Treated vessels were supplied with rumen fluid from yak or cattle (3 vessels per animal species). Microbial growth was measured using 15N as a marker...
2017: PloS One
https://www.readbyqxmd.com/read/28074120/complete-genome-sequence-of-the-heavy-metal-resistant-bacterium-agromyces-aureus-ar33-t-and-comparison-with-related-actinobacteria
#13
Erika Corretto, Livio Antonielli, Angela Sessitsch, Stéphane Compant, Christoph Höfer, Markus Puschenreiter, Günter Brader
Agromyces aureus AR33(T) is a Gram-positive, rod-shaped and motile bacterium belonging to the Microbacteriaceae family in the phylum Actinobacteria that was isolated from a former zinc/lead mining and processing site in Austria. In this study, the whole genome was sequenced and assembled combining sequences obtained from Illumina MiSeq and Sanger sequencing. The assembly resulted in the complete genome sequence which is 4,373,124 bp long and has a GC content of 70.1%. Furthermore, we performed a comparative genomic analysis with other related organisms: 6 Agromyces spp...
2017: Standards in Genomic Sciences
https://www.readbyqxmd.com/read/28070487/unraveling-the-microbial-and-functional-diversity-of-coamo-thermal-spring-in-puerto-rico-using-metagenomic-library-generation-and-shotgun-sequencing
#14
Ricky Padilla-Del Valle, Luis R Morales-Vale, Carlos Ríos-Velázquez
In Puerto Rico, the microbial diversity of the thermal spring (ThS) in Coamo has never been studied using metagenomics. The focus of our research was to generate a metagenomic library from the ThS of Coamo, Puerto Rico and explore the microbial and functional diversity. The metagenomic library from the ThS waters was generated using direct DNA isolation. High molecular weight (40 kbp) DNA was end-repaired, electro eluted and ligated into a fosmid vector (pCCFOS1); then transduced into Escherichia coli EPI300-T1R using T1 bacteriophages...
March 2017: Genomics Data
https://www.readbyqxmd.com/read/28064384/gut-microbiota-composition-associated-with-alterations-in-cardiorespiratory-fitness-and-psychosocial-outcomes-among-breast-cancer-survivors
#15
Jesseca A Paulsen, Travis S Ptacek, Stephen J Carter, Nianjun Liu, Ranjit Kumar, LaKeshia Hyndman, Elliot J Lefkowitz, Casey D Morrow, Laura Q Rogers
PURPOSE: In this proof-of-concept pilot study, our purpose was to determine correlations between gut microbiota composition and alterations in cardiorespiratory fitness and psychosocial outcomes among post-primary treatment breast cancer survivors (BCS). METHODS: Composition of the gut microbiota in BCS (n = 12) was assessed at baseline (M0) and at the end of 3 months (M3) using Illumina MiSeq DNA Sequencing of the 16S rRNA gene. Gut microbiota composition was analyzed using the QIIME bioinformatics software and represented through diversity metrics and taxa analyses...
January 7, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28062544/somatic-mutation-profiling-of-hobnail-variant-of-papillary-thyroid-carcinoma
#16
Luca Morandi, Alberto Righi, Francesca Maletta, Paola Rucci, Fabio Pagni, Marco Gallo, Sabrina Rossi, Leonardo Caporali, Anna Sapino, Ricardo Lloyd, Sofia Asioli
Hobnail variant of papillary thyroid carcinoma (HPTC) represents a recently described, aggressive and rare group of thyroid tumors with poorly understood pathogenesis. Molecular data about this group of cancers are few and a more detailed molecular characterization of these tumors is needed. The main objective of the study is to define a comprehensive molecular typing of HPTC. Eighteen patients affected by HPTC, including eighteen primary tumors and four lymph node metastases, were screened for NRAS, KRAS, HRAS, BRAF, TP53, PIK3CA, hTERT, PTEN, CDKN2A, EGFR, AKT1, CTNNB1, and NOTCH1 gene mutations...
January 6, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28062115/genotype-matched-treatment-for-patients-with-advanced-type-i-epithelial-ovarian-cancer-eoc
#17
A Spreafico, A M Oza, B A Clarke, H J Mackay, P Shaw, M Butler, N C Dhani, S Lheureux, M K Wilson, S Welch, T Zhang, C Yu, T Stockley, L L Siu, S Kamel-Reid, P L Bedard
BACKGROUND: Genomic alterations that activate the MAPK signaling pathway frequently occur in Type I Epithelial Ovarian Cancers (EOCs). We evaluated therapeutic response outcomes in patients with type I EOC treated with genotype-matched therapy on clinical trials enrolled in a prospective molecular profiling program. MATERIAL AND METHODS: Formalin fixed paraffin embedded tumor tissues were prospectively screened for genomic alterations using MALDI-ToF mass-spectrometry platform or targeted sequencing using the Illumina MiSeq TruSeq Amplicon Cancer Panel...
January 3, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28060404/diversity-and-composition-of-rhizospheric-soil-and-root-endogenous-bacteria-in-panax-notoginseng-during-continuous-cropping-practices
#18
Yong Tan, Yinshan Cui, Haoyu Li, Anxiu Kuang, Xiaoran Li, Yunlin Wei, Xiuling Ji
Rhizobacteria and endophytic bacteria play important roles in protecting host plants from infection by phytopathogens, which cause soil-borne diseases and severely impair plant health. Panax notoginseng is negatively affected by continuous cropping and becomes vulnerable to attack by microbial pathogens. In the present study, culture-independent Illumina MiSeq was used to investigate root-endophytic and rhizospheric bacteria in response to continuous cropping of P. notoginseng. Numbers of rhizospheric bacteria decreased with continuous P...
January 6, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28059171/comparison-of-sputum-microbiome-of-legionellosis-associated-patients-and-other-pneumonia-patients-indications-for-polybacterial-infections
#19
Hila Mizrahi, Avi Peretz, René Lesnik, Yana Aizenberg-Gershtein, Sara Rodríguez-Martínez, Yehonatan Sharaby, Nina Pastukh, Ingrid Brettar, Manfred G Höfle, Malka Halpern
Bacteria of the genus Legionella cause water-based infections resulting in severe pneumonia. Here we analyze and compare the bacterial microbiome of sputum samples from pneumonia patients in relation to the presence and abundance of the genus Legionella. The prevalence of Legionella species was determined by culture, PCR, and Next Generation Sequencing (NGS). Nine sputum samples out of the 133 analyzed were PCR-positive using Legionella genus-specific primers. Only one sample was positive by culture. Illumina MiSeq 16S rRNA gene sequencing analyses of Legionella-positive and Legionella-negative sputum samples, confirmed that indeed, Legionella was present in the PCR-positive sputum samples...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28053217/high-interlaboratory-reproducibility-and-accuracy-of-next-generation-sequencing-based-bacterial-genotyping-in-a-ring-trial
#20
Alexander Mellmann, Paal Skytt Andersen, Stefan Bletz, Alexander W Friedrich, Thomas A Kohl, Berit Lilje, Stefan Niemann, Karola Prior, John W Rossen, Dag Harmsen
Today, next-generation whole genome sequencing (WGS) technology is increasingly used to determine the genetic relationship of bacteria on a nearly whole genome level for infection control purposes and molecular surveillance. Here, we conducted a multicenter ring-trial comprising five laboratories to determine the reproducibility and accuracy of WGS-based typing.The participating laboratories sequenced 20 blind-coded Staphylococcus aureus DNA samples using the 250 bp paired-end chemistry for library preparation in a single sequencing run on an Illumina Miseq sequencer...
January 4, 2017: Journal of Clinical Microbiology
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