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https://www.readbyqxmd.com/read/29156589/genome-wide-development-of-microrna-based-ssr-markers-in-medicago-truncatula-with-their-transferability-analysis-and-utilization-in-related-legume-species
#1
Xueyang Min, Zhengshe Zhang, Yisong Liu, Xingyi Wei, Zhipeng Liu, Yanrong Wang, Wenxian Liu
Microsatellite (simple sequence repeats, SSRs) marker is one of the most widely used markers in marker-assisted breeding. As one type of functional markers, MicroRNA-based SSR (miRNA-SSR) markers have been exploited mainly in animals, but the development and characterization of miRNA-SSR markers in plants are still limited. In the present study, miRNA-SSR markers for Medicago truncatula (M. truncatula) were developed and their cross-species transferability in six leguminous species was evaluated. A total of 169 primer pairs were successfully designed from 130 M...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29155937/nanoparticle-based-lateral-flow-biosensor-combined-with-multiple-cross-displacement-amplification-for-rapid-visual-and-sensitive-detection-of-vibrio-cholerae
#2
Yi Wang, Hui Li, Yan Wang, Lu Zhang, Jingyun Zhang, Jianguo Xu, Changyun Ye
Vibrio cholerae (V. cholerae) is an important human pathogen that is responsible for cholera, a severe acute watery diarrhea. In the current study, a multiple cross displacement amplification (MCDA) coupled with amplicon detection by chromatographic lateral flow biosensor (LFB) method (MCDA-LFB) was successfully established and evaluated for identification of V. cholerae. A set of ten primers was designed specifically to recognize ten different regions of the V. cholerae-specific gene ompW. The optimized time and temperature conditions for the MCDA were 30 min at 63˚C...
November 16, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29155823/development-and-preliminary-evaluation-of-a-multiplexed-amplification-and-next-generation-sequencing-method-for-viral-hemorrhagic-fever-diagnostics
#3
Annika Brinkmann, Koray Ergünay, Aleksandar Radonić, Zeliha Kocak Tufan, Cristina Domingo, Andreas Nitsche
BACKGROUND: We describe the development and evaluation of a novel method for targeted amplification and Next Generation Sequencing (NGS)-based identification of viral hemorrhagic fever (VHF) agents and assess the feasibility of this approach in diagnostics. METHODOLOGY: An ultrahigh-multiplex panel was designed with primers to amplify all known variants of VHF-associated viruses and relevant controls. The performance of the panel was evaluated via serially quantified nucleic acids from Yellow fever virus, Rift Valley fever virus, Crimean-Congo hemorrhagic fever (CCHF) virus, Ebola virus, Junin virus and Chikungunya virus in a semiconductor-based sequencing platform...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155280/molecular-analysis-of-tick-borne-protozoan-and-rickettsial-pathogens-in-small-ruminants-from-two-south-african-provinces
#4
Aaron Edmond Ringo, Paul Franck Adjou Moumouni, Moeti Taioe, Charoonluk Jirapattharasate, Mingming Liu, Guanbo Wang, Yang Gao, Huanping Guo, Seung-Hun Lee, Weiqing Zheng, Artemis Efstratiou, Jixu Li, Noboru Inoue, Hiroshi Suzuki, Oriel Thekisoe, Xuenan Xuan
Tick-borne protozoan and rickettsial diseases are a major threat to livestock in tropical and sub-tropical regions of Africa. In this study we investigated the presence and distribution of Theileria spp., Babesia ovis, Anaplasma ovis, Anaplasma phagocytophilum, Ehrlichia ruminantium and SFG Rickettsia in sheep and goats from Free State and KwaZulu-Natal provinces. A total of 91 blood samples were screened in this study, 61 from goats and 30 from sheep. PCR assay was conducted using primers based on Theileria spp...
November 15, 2017: Parasitology International
https://www.readbyqxmd.com/read/29154392/rapid-and-simple-detection-of-ureaplasma-species-from-vaginal-swab-samples-using-a-loop-mediated-isothermal-amplification-method
#5
Kazumasa Fuwa, Mitsuko Seki, Yoshiyasu Hirata, Itaru Yanagihara, Yukiko Nakura, Chika Takano, Kazumichi Kuroda, Satoshi Hayakawa
PROBLEM: Ureaplasma species occasionally cause chorioamnionitis and premature labor. We developed a novel assay employing a loop-mediated isothermal amplification (LAMP) method to detect Ureaplasma parvum and Ureaplasma urealyticum. METHOD OF STUDY: Loop-mediated isothermal amplification primers were designed to amplify Ureaplasma-specific ureaseB genes. Four U. parvum strains, 5 U. urealyticum strains and 14 reference bacterial species were evaluated. Forty-six vaginal swab samples were analyzed by LAMP, culture, and PCR...
November 20, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29154220/association-of-melanocortin-mc4r-and-myostatin-mstn-genes-with-carcass-quality-in-rabbit
#6
Karim El-Sabrout, Sarah Aggag
The aim of this study was to investigate the association of Melanocortin (MC4R) and Myostatin (MSTN) with the carcass quality of V-line and Alexandria line rabbits. MC4R and MSTN were screened by single-strand conformational polymorphism analysis (SSCP) then DNA was sequenced. The results identified four novel SNPs using the four studied primers of the MC4R and MSTN genes. The genotype (BB) has significant higher body weight (BW), carcass weight (CW) and dressing percentage (DP) than AA rabbits. There were no significant differences within the two lines in the carcass color (light pink) and carcass fat (CF)...
November 7, 2017: Meat Science
https://www.readbyqxmd.com/read/29153681/various-levels-of-circulating-exosomal-total-mirna-and-mir-210-hypoxamir-in-different-forms-of-pregnancy-hypertension
#7
Orsolya Biró, Bálint Alasztics, Attila Molvarec, József Joó, Bálint Nagy, János Rigó
INTRODUCTION: Hypertension is a common complication during pregnancy, affecting 10% of pregnant women worldwide. Several microRNA (miRNA) were shown to be involved in hypertensive disorders of pregnancy. In preeclampsia (PE), placental dysfunction causes the enhanced release of extracellular vesicle-derived miRNAs. The hypoxia-sensitive hsa-mir-210 is the most common PE-associated miRNA, but its exosomal profile has not been investigated. OBJECTIVES: Our aims were to measure exosomal total-miRNA concentration and to perform expression analysis of circulating exosomal hsa-miR-210 in women affected by chronic hypertension (CHT) gestational hypertension (GHT) or PE...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29153416/frequency-of-detection-of-chlamydophila-pneumoniae-using-bronchoalveolar-lavage-fluid-in-patients-with-community-onset-pneumonia
#8
Shingo Noguchi, Kazuhiro Yatera, Toshinori Kawanami, Kazumasa Fukuda, Kei Yamasaki, Keisuke Naito, Kentaro Akata, Hiroshi Ishimoto, Hiroshi Mukae
BACKGROUND: Chlamydophila pneumoniae is a causative pathogen of lower respiratory tract infection, which generally infects healthy, young people. However, it is often difficult to evaluate acute C. pneumoniae infection using upper respiratory tract specimens and/or sputum samples due to its persistent infection or colonization. The interpretation of frequency of detection of C. pneumoniae seems to be insufficient in community-onset pneumonia. The aim of this study was to evaluate the presence of C...
November 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/29153391/structure-of-a-thermostable-group-ii-intron-reverse-transcriptase-with-template-primer-and-its-functional-and-evolutionary-implications
#9
Jennifer L Stamos, Alfred M Lentzsch, Alan M Lambowitz
Bacterial group II intron reverse transcriptases (RTs) function in both intron mobility and RNA splicing and are evolutionary predecessors of retrotransposon, telomerase, and retroviral RTs as well as the spliceosomal protein Prp8 in eukaryotes. Here we determined a crystal structure of a full-length thermostable group II intron RT in complex with an RNA template-DNA primer duplex and incoming deoxynucleotide triphosphate (dNTP) at 3.0-Å resolution. We find that the binding of template-primer and key aspects of the RT active site are surprisingly different from retroviral RTs but remarkably similar to viral RNA-dependent RNA polymerases...
November 9, 2017: Molecular Cell
https://www.readbyqxmd.com/read/29153277/a-novel-rogdi-gene-mutation-is-associated-with-kohlschutter-tonz-syndrome
#10
Nalini Aswath, Sankar Narayanan Ramakrishnan, Nithya Teresa, Arvind Ramanathan
OBJECTIVE: Kohlschutter-tonz syndrome (KTS) is a rare neurodegenerative disorder that presents with seizures, developmental regression, characteristic hypoplastic dental enamel indicative of amelogenesis imperfecta and dysmorphologies. Genetic analysis has identified loss-of-function mutations within the coding region of the ROGDI gene in KTS patients of European or Jewish decent. In the present study, we have investigated the genetic status of ROGDI in a fourteen year old South Indian patient of Dravidian race born to consanguineous parents, who was clinically diagnosed with KTS STUDY DESIGN: To confirm the clinical diagnosis of KTS in the patient, primers were designed flanking each of the 11 exons of the ROGDI gene...
October 12, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29153093/next-generation-sequencing-and-molecular-cytogenetic-characterization-of-etv6-lyn-fusion-due-to-chromosomes-1-8-and-12-rearrangement-in-acute-myeloid-leukemia
#11
Edmond S K Ma, Thomas S K Wan, Chun Hang Au, Dona N Ho, Shing Yan Ma, Margaret H L Ng, Tsun Leung Chan
In a newly diagnosed patient with acute myeloid leukemia (AML) and complex cytogenetics and negative for gene mutations associated with myeloid neoplasms, RNA sequencing by next-generation sequencing (NGS) through a large cancer-related gene panel showed ETV6-LYN leukemic fusion transcript. Breakpoint analysis of the NGS reads showed fusion of exon 5 of the ETV6 gene to exon 8 of the LYN gene. Metaphase fluorescence in situ hybridization (FISH) inferred a four-break rearrangement of three chromosomes, namely 1, 8 and 12...
December 2017: Cancer Genetics
https://www.readbyqxmd.com/read/29153069/-emerging-pathogen-candida-kefyr-kluvyeromyces-marxianus
#12
Tuğba Çuhadar, Ayşe Kalkancı
In the central microbiology laboratory of Gazi University Hospital Candida kefyr was isolated from different clinical samples as 5.3% in 2016 and in 2017 this rate increased to 9.3% which was nearly two-fold and this has drawn our attention. The aim of this study was to evaluate the special characteristics, antifungal susceptibility and virulence properties of C.keyfr species. Germ tube, corn meal-tween 80 agar morphology and carbohydrate assimilation profiles on ID32C yeast identification system were used for the diagnosis of Candida species...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29153067/-detection-of-influenza-virus-infections-by-molecular-and-immunofluorescence-methods
#13
Deniz Yıldırım, Deniz Özdoğru Sağdıç, Buket Şeflek, Mehmet Çimentepe, İbrahim Bayram, Fügen Yarkın
Influenza virus infections are extremely important for human health due to the occurence of seasonal epidemics and pandemics worldwide. Influenza is associated with high morbidity and may result in serious complications such as life threatening viral or bacterial pneumonia. Especially, young children, older adults, patients with chronic diseases such as heart, lung, kidney, and diabetes and immunosuppressed people are at higher risk for complications and death from influenza virus infections. The aim of this study was to determine the incidence of influenza type A and B virus infections and influenza A virus subtypes in hospitalized patients with respiratory tract infections by real-time reverse transcriptase-polymerase chain reaction (RT-PCR, Sacace, Italy), conventional RT-PCR and direct immunofluorescence antibody (DFA, Argene SA, France) tests...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29153066/-age-related-prevalence-of-toxoplasmosis-among-pregnant-women-in-hatay-estimation-depending-on-model
#14
Meryem Çetin, Şirin Çetin
Toxoplasmosis, caused by the obligate intracellular protozoan Toxoplasma gondii, is a common parasitic infection affecting approximately one-third of the world population. T.gondii infections are usually acquired by ingesting raw or insufficiently cooked meat and from unwashed fruits and vegetables contaminated with soil or water with cat feces. Primary infection acquired during pregnancy can cause severe congenital abnormalities in the fetus such as neurologic and ocular malformations, abortion, or stillbirth according to the degree of infection...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29153064/-comparison-of-polymerase-chain-reaction-using-kinetoplast-dna-specific-primers-and-other-parasitological-methods-in-the-diagnosis-of-clinical-samples-of-suspected-patients-with-cutaneous-leishmaniasis-in-%C3%A5-anl%C3%A4-urfa
#15
Fadile Yıldız Zeyrek, Seray Töz, Fehmi Yüksel, Nevin Turgay, Yusuf Özbel
Visceral leishmaniasis (VL) and cutaneous leishmaniasis (CL) are seen endemically in Turkey and CL caused by Leishmania tropica is an important public health problem in southeastern as well as other regions of Turkey. The diagnosis has been usually made by clinical view of lesion and/or parasitologically using lesion aspiration smears. Histological examination does not, always reveal the parasite in the skin biopsy, particularly in chronic lesions. Besides this, due to CL infections caused by different species in endemic areas, diagnostic methods enabling species identification are in great need...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29152597/identification-of-spiroplasmainsolitum-symbionts-in-anopheles-gambiae
#16
Sharon T Chepkemoi, Enock Mararo, Hellen Butungi, Juan Paredes, Daniel Masiga, Steven P Sinkins, Jeremy K Herren
Background: Insect symbionts have the potential to block the transmission of vector-borne diseases by their hosts. The advancement of a symbiont-based transmission blocking strategy for malaria requires the identification and study of Anopheles symbionts. Methods: High throughput 16S amplicon sequencing was used to profile the bacteria associated with Anopheles gambiae sensu lato and identify potential symbionts. The polymerase chain reaction (PCR) with specific primers were subsequently used to monitor symbiont prevalence in field populations, as well as symbiont transmission patterns...
2017: Wellcome Open Research
https://www.readbyqxmd.com/read/29152595/identification-of-equid-herpesvirus-2-in-tissue-engineered-equine-tendon
#17
Roisin Wardle, Jane A Pullman, Sam Haldenby, Lorenzo Ressel, Marion Pope, Peter D Clegg, Alan Radford, James P Stewart, Mohammed Al-Saadi, Philip Dyer, Mandy J Peffers
Background: Incidental findings of virus-like particles were identified following electron microscopy of tissue-engineered tendon constructs (TETC) derived from equine tenocytes. We set out to determine the nature of these particles, as there are few studies which identify virus in tendons per se, and their presence could have implications for tissue-engineering using allogenic grafts. Methods: Virus particles were identified in electron microscopy of TETCs. Virion morphology was used to initially hypothesise the virus identity...
2017: Wellcome Open Research
https://www.readbyqxmd.com/read/29152325/changes-of-intestinal-microbiota-composition-and-diversity-in-very-low-birth-weight-infants-related-to-strategies-of-nec-prophylaxis-protocol-for-an-observational-multicentre-pilot-study
#18
Stefan Kurath-Koller, Christine Moissl-Eichinger, Gregor Gorkiewicz, Raimund Kraschl, Claudia Kanduth, Barbara Hopfer, Berndt Urlesberger, Bernhard Resch
Background: At the Division of Neonatology, Department of Paediatrics, Medical University Graz, a unique regimen of necrotizing enterocolitis (NEC) prophylaxis in preterm infants showing a < 1500 g birth weight (i.e. very low birth weight, VLBW) is used. The regimen includes oral antibiotic and antifungal therapy and probiotic preparations as well as a standardised feeding regimen. The incidence of NEC in preterm infants treated by this regimen has been shown to be lower, reflecting 0...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/29152187/genetic-diversity-population-structure-and-traditional-culture-of-camellia-reticulata
#19
Tong Xin, Weijuan Huang, Jan De Riek, Shuang Zhang, Selena Ahmed, Johan Van Huylenbroeck, Chunlin Long
Camellia reticulata is an arbor tree that has been cultivated in southwestern China by various sociolinguistic groups for esthetic purposes as well as to derive an edible seed oil. This study examined the influence of management, socio-economic factors, and religion on the genetic diversity patterns of Camellia reticulata utilizing a combination of ethnobotanical and molecular genetic approaches. Semi-structured interviews and key informant interviews were carried out with local communities in China's Yunnan Province...
November 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29152135/evaluation-of-pre-analytical-conditions-and-comparison-of-the-performance-of-several-digital-pcr-assays-for-the-detection-of-major-egfr-mutations-in-circulating-dna-from-non-small-cell-lung-cancers-the-circan_0-study
#20
Jessica Garcia, Eric Dusserre, Valérie Cheynet, Pierre Paul Bringuier, Karen Brengle-Pesce, Anne-Sophie Wozny, Claire Rodriguez-Lafrasse, Gilles Freyer, Marie Brevet, Léa Payen, Sébastien Couraud
Non invasive somatic detection assays are suitable for repetitive tumor characterization or for detecting the appearance of somatic resistance during lung cancer. Molecular diagnosis based on circulating free DNA (cfDNA) offers the opportunity to track the genomic evolution of the tumor, and was chosen to assess the molecular profile of several EGFR alterations, including deletions in exon 19 (delEX19), the L858R substitution on exon 21 and the EGFR resistance mutation T790M on exon 20. Our study aimed at determining optimal pre-analytical conditions and EGFR mutation detection assays for analyzing cfDNA using the picoliter-droplet digital polymerase chain reaction (ddPCR) assay...
October 20, 2017: Oncotarget
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