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https://www.readbyqxmd.com/read/28222182/epidemiological-tracing-of-bovine-tuberculosis-in-switzerland-multilocus-variable-number-of-tandem-repeat-analysis-of-mycobacterium-bovis-and-mycobacterium-caprae
#1
Giovanni Ghielmetti, Simone Scherrer, Ute Friedel, Daniel Frei, Dominique Suter, Lukas Perler, Max M Wittenbrink
BACKGROUND: After 15 years of absence, in 2013 bovine tuberculosis (bTB), caused by Mycobacterium (M.) bovis and M. caprae, reemerged in the Swiss dairy cattle population. In order to identify the sources of infection as well as the spread of the agents, molecular-epidemiologic tracing by MIRU-VNTR analysis in combination with spoligotyping was performed. A total of 17 M. bovis and 7 M. caprae isolates were cultured from tuberculous bovine lymph nodes and analyzed with a set of 49 genetic markers by using automated capillary electrophoresis...
2017: PloS One
https://www.readbyqxmd.com/read/28221855/survival-kinetics-of-salmonella-enterica-and-enterohemorrhagic-escherichia-coli-on-a-plastic-surface-at-low-relative-humidity-and-on-low-water-activity-foods
#2
Hidekazu Hokunan, Kento Koyama, Mayumi Hasegawa, Shuso Kawamura, Shigenobu Koseki
We investigated the survival kinetics of Salmonella enterica and enterohemorrhagic Escherichia coli under various water activity (aw) conditions to elucidate the net effect of aw on pathogen survival kinetics and to pursue the development of a predictive model of pathogen survival as a function of aw. Four serotypes of S. enterica (Stanley, Typhimurium, Chester, and Oranienburg) and three serotypes of enterohemorrhagic E. coli ( E. coli O26, E. coli O111, and E. coli O157:H7) were examined. These bacterial strains were inoculated on a plastic plate surface at a constant relative humidity (RH) (22, 43, 58, 68, or 93% RH, corresponding to the aw) or on a surface of almond kernels (aw 0...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221384/switchable-divergent-asymmetric-synthesis-via-organocatalysis
#3
Gu Zhan, Wei Du, Ying-Chun Chen
The development of switchable chemo-, regio-, or diastereodivergent reactions, in which two or more structurally and stereogenically different types of chiral products could be produced efficiently from an identical set of starting materials under readily tunable catalytic conditions, is one of the ultimate goals in asymmetric catalysis. This tutorial review will focus on the application of a variety of chiral organic catalysts, including Lewis bases, and Brønsted bases and acids, in a diverse range of stereoselective reactions in a switchable manner...
February 21, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28221043/radiolabeled-111-in-fgf-2-is-suitable-for-in-vitro-ex-vivo-evaluations-and-in-vivo-imaging
#4
Alessandra Moscaroli, Gabriel Jones, Tessa Lühmann, Lorenz Meinel, Stephanie Wälti, Alain Blanc, Eliane Fischer, Manuel Hilbert, Roger Schibli, Martin Béhé
Fibroblast growth factor-2 (FGF-2) is a potent modulator of cell growth and regulation, with improper FGF-2 signaling being involved in impaired responses to injury or even cancer. Therefore, the exploitation of FGF-2 as a therapeutic drives the prerequisite for effective insight into drug disposition kinetics. In this article, we present an (111)In-radiolabeled FGF-2 derivative for noninvasive imaging in small animals deploying single photon emission tomography (SPECT). (111)In-FGF-2 is equally well suitable for in vitro and ex vivo investigations as (125)I-FGF-2...
February 21, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28220508/quantitative-long-term-measurements-of-burns-in-a-rat-model-using-spatial-frequency-domain-imaging-sfdi-and-laser-speckle-imaging-lsi
#5
Adrien Ponticorvo, David M Burmeister, Rebecca Rowland, Melissa Baldado, Gordon T Kennedy, Rolf Saager, Nicole Bernal, Bernard Choi, Anthony J Durkin
BACKGROUND AND OJECTIVES: The current standard for diagnosis of burn severity and subsequent wound healing is through clinical examination, which is highly subjective. Several new technologies are shifting focus to burn care in an attempt to help quantify not only burn depth but also the progress of healing. While accurate early assessment of partial thickness burns is critical for dictating the course of treatment, the ability to quantitatively monitor wound status over time is critical for understanding treatment efficacy...
February 21, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28220250/differing-roles-for-sur-2-med23-in-c-elegans-and-c-briggsae-vulval-development
#6
Karley K Mahalak, Abdulrahman M Jama, Steven J Billups, Adriana T Dawes, Helen M Chamberlin
Normal vulval development in the nematode Caenorhabditis briggsae is identical to that in the related Caenorhabditis elegans. However, several experiments suggest that there are differences between the two species with respect to the contribution of EGF/Ras signaling. To investigate these differences genetically, we have characterized a C. briggsae mutant strain that phenocopies the effect observed when C. briggsae animals are treated with U0126, an inhibitor of the EGF pathway component MEK. We identify that the gene affected in the mutant strain is Cbr-sur-2, which encodes a MED23 mediator complex protein that acts downstream of EGF signaling in C...
February 20, 2017: Development Genes and Evolution
https://www.readbyqxmd.com/read/28220098/intelligence-and-creativity-in-problem-solving-the-importance-of-test-features-in-cognition-research
#7
Saskia Jaarsveld, Thomas Lachmann
This paper discusses the importance of three features of psychometric tests for cognition research: construct definition, problem space, and knowledge domain. Definition of constructs, e.g., intelligence or creativity, forms the theoretical basis for test construction. Problem space, being well or ill-defined, is determined by the cognitive abilities considered to belong to the constructs, e.g., convergent thinking to intelligence, divergent thinking to creativity. Knowledge domain and the possibilities it offers cognition are reflected in test results...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28219675/tcf7l2-plays-crucial-roles-in-forebrain-development-through-regulation-of-thalamic-and-habenular-neuron-identity-and-connectivity
#8
Myungsin Lee, Jiyeon Yoon, Hobeom Song, Bumwhee Lee, Lam Tri Duc, Jaeseung Yoon, Kwanghee Baek, Hans Clevers, Yongsu Jeong
The thalamus acts as a central integrator for processing and relaying sensory and motor information to and from the cerebral cortex, and the habenula plays pivotal roles in emotive decision making by modulating dopaminergic and serotonergic circuits. These neural compartments are derived from a common developmental progenitor domain, called prosomere 2, in the caudal forebrain. Thalamic and habenular neurons exhibit distinct molecular profile, neurochemical identity, and axonal circuitry. However, the mechanisms of how their progenitors in prosomere 2 give rise to these two populations of neurons and contribute to the forebrain circuitry remains unclear...
February 17, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28219303/extra-articular-diffuse-type-tenosynovial-giant-cell-tumor-with-benign-histological-features-resulting-in-fatal-pulmonary-metastases
#9
Toshihisa Osanai, Hiroaki Suzuki, Hiroaki Hiraga, Tamotsu Soma, Takayuki Nojima
Diffuse-type tenosynovial giant cell tumor (TS-GCT) is categorized as a locally aggressive but non-metastasizing neoplasm according to the WHO classification. Herein, we report an extremely rare case of a 41-year-old woman who developed multiple metastases from diffuse TS-GCT with benign histological features. The patient complained of a painful buttock mass and imaging studies revealed a soft tissue tumor of the buttock and multiple pulmonary nodules. The buttock tumor was excised and the final diagnosis was extra-articular diffuse-type TS-GCT...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28219292/a-manner-of-being-body-languages-of-socio-economic-development
#10
Alexandra Antohin
This article proposes to move forward analytical work on the human aspect of socio-economic development, by featuring how personal decisions about physical appearance in effect negotiate socio-ethnic positions and desired economic aims that arise from new technologies of living. By envisioning how the body can serve as a conduit of consciousness-making, tattoos work as one cultural practice that produces an interplay between traditional precedents and contemporary trends and permits reflecting on how the categorizations of rural/urban can behave as a dialectical medium for internal anxieties and debates regarding social transformation...
July 2016: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
https://www.readbyqxmd.com/read/28219288/the-human-figure-and-urban-ground-cyborgs-and-the-city
#11
Aaron Parkhurst
Recent years have seen developments in cyborgian movements in which people play and experiment with the boundaries of human flesh and aesthetic realities. Some individuals develop novel intimate relationships with devices that, each in their own way, interfere with human subjectivity. Public dissemination of these movements often proposes notions of transcendence, therapy, post-humanism and trans-humanism, but often fails to outline the lived-experience of those who explore cyborgian identity as an alternative mode of being in the world...
July 2016: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
https://www.readbyqxmd.com/read/28219264/we-are-not-gametes-distinguishing-between-abortion-and-contraception
#12
Toni Saad
It is sometimes argued that interruptions of the life's continuum which have the same end result are morally equivalent. In other words, abortion and contraception are ethically identical because both prevent birth and the development of persons. We will examine two major arguments in favour of this thesis: (1) all things that are potential persons have equal moral status. Hence preventing fertilisation of gametes is morally identical to destroying an embryo; (2) all interruptions of the continuous process which leads to the creation of a person are morally equivalent; abortion and contraception are morally indistinguishable...
November 2016: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
https://www.readbyqxmd.com/read/28217451/erectile-dysfunction-masculinity-and-psychosocial-outcomes-a-review-of-the-experiences-of-men-after-prostate-cancer-treatment
#13
REVIEW
Suzanne K Chambers, Eric Chung, Gary Wittert, Melissa K Hyde
Prostate cancer (PC) treatment side-effects such as erectile dysfunction (ED) can impact men's quality of life (QoL), psychosocial and psycho-sexual adjustment. Masculinity (i.e., men's identity or sense of themselves as being a man) may also be linked to how men respond to PC treatment and ED however the exact nature of this link is unclear. This review aims to provide a snapshot of the current state of evidence regarding ED, masculinity and psychosocial impacts after PC treatment. Three databases (Medline/PsycINFO, CINHAL, and EMBASE) were searched January 1st 1980 to January 31st 2016...
February 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28216997/genetic-mapping-and-qtl-analysis-of-botrytis-resistance-in-gerbera-hybrida
#14
Yiqian Fu, Alex van Silfhout, Arwa Shahin, Ronny Egberts, Martin Beers, Ans van der Velde, Adrie van Houten, Jaap M van Tuyl, Richard G F Visser, Paul Arens
Gerbera hybrida is an economically important cut flower. In the production and transportation of gerbera with unavoidable periods of high relative humidity, grey mould occurs and results in losses in quality and quantity of flowers. Considering the limitations of chemical use in greenhouses and the impossibility to use these chemicals in auction or after sale, breeding for resistant gerbera cultivars is considered as the best practical approach. In this study, we developed two segregating F1 populations (called S and F)...
2017: Molecular Breeding: New Strategies in Plant Improvement
https://www.readbyqxmd.com/read/28216857/body-image-and-sexuality-in-women-survivors-of-breast-cancer-in-india-qualitative-findings
#15
Michelle S Barthakur, Mahendra P Sharma, Santosh K Chaturvedi, Suraj K Manjunath
OBJECTIVES: With increasing rates of breast cancer survivors, psychosocial issues surrounding cancer survivorship have been gaining prominence. The following article reports on body image and sexuality-related issues in aftermath of the diagnosis and its treatment in the Indian context. MATERIALS AND METHODS: Research design was mixed method, cross-sectional, and exploratory in nature. Quantitative sample consisted of fifty survivors while the qualitative sample size included 15 out of the 50 total breast cancer survivors who were recruited from hospitals, nongovernmental organization, and through word-of-mouth...
January 2017: Indian Journal of Palliative Care
https://www.readbyqxmd.com/read/28216369/role-of-socio-cultural-and-economic-factors-in-cyprinid-fish-distribution-networks-and-consumption-in-lawa-lake-region-northeast-thailand-novel-perspectives-on-opisthorchis-viverrini-transmission-dynamics
#16
Christina Sunyoung Kim, John F Smith, Apiporn Suwannatrai, Pierre Echaubard, Bruce Wilcox, Sasithorn Kaewkes, Paiboon Sithithaworn, Banchob Sripa
Opisthorchis viverrini (Ov) is a fish-borne parasite endemic in parts of Lao PDR, Cambodia, southern Vietnam and Northeast Thailand (Isaan) where an estimated 10 million people are infected. Human Ov infection, associated with hepatobiliary complications, including cholangiocarcinoma (CCA), occurs when infected fish are consumed raw or undercooked, a longstanding cultural tradition in the region. This mixed- methods descriptive study was carried out in Isaan villages around Lawa Lake, Khon Kaen Province, known for their Ov endemicity...
February 16, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28216331/development-of-a-four-dimensional-monte-carlo-dose-calculation-system-for-real-time-tumor-tracking-irradiation-with-a-gimbaled-x-ray-head
#17
Yoshitomo Ishihara, Mitsuhiro Nakamura, Yuki Miyabe, Nobutaka Mukumoto, Yukinori Matsuo, Akira Sawada, Masaki Kokubo, Takashi Mizowaki, Masahiro Hiraoka
PURPOSE: To develop a four-dimensional (4D) dose calculation system for real-time tumor tracking (RTTT) irradiation by the Vero4DRT. METHODS: First, a 6-MV photon beam delivered by the Vero4DRT was simulated using EGSnrc. A moving phantom position was directly measured by a laser displacement gauge. The pan and tilt angles, monitor units, and the indexing time indicating the phantom position were also extracted from a log file. Next, phase space data at any angle were created from both the log file and particle data under the dynamic multileaf collimator...
February 16, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28215821/holistic-versus-feature-based-binding-in-the-medial-temporal-lobe
#18
Rebecca N van den Honert, Gregory McCarthy, Marcia K Johnson
A central question for cognitive neuroscience is how feature-combinations that give rise to episodic/source memories are encoded in the brain. Although there is much evidence that the hippocampus (HIP) is involved in feature binding, and some evidence that other brain regions are as well, there is relatively little evidence about the nature of the resulting representations in different brain regions. We used multivoxel pattern analysis (MVPA) to investigate how feature combinations might be represented, contrasting two possibilities, feature-based versus holistic...
January 23, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28215614/genome-characterization-infectivity-assays-of-in-vitro-and-in-vivo-infectious-transcripts-of-soybean-yellow-mottle-mosaic-virus-from-india-reveals-a-novel-short-mild-genotype
#19
Nagamani Sandra, Abdul Kader Jailani, Rakesh Kumar Jain, Bikash Mandal
Nucleotide sequence of a distinct soybean yellow mottle mosaic virusisolate from Vignaradiata (mungbean isolate, SYMMV-Mb) from India was determined and compared with othermembers of the family Tombusviridae. The complete monopartite single-stranded RNA genome of SYMMV-Mb consisted of 3974nt with six putative open reading frames and includes 5' and 3' untranslated regions of 35 and 254nt, respectively. SYMMV-Mb genome shared 75% nt sequence identity at complete genome level and 67-92% identity at all ORFs level with SYMMV Korean and USA isolates (soybean isolates) followed by CPMoV, whereas it shared very low identity with other tombusviridae members (5 to 41%)...
February 16, 2017: Virus Research
https://www.readbyqxmd.com/read/28215559/soxc-transcription-factors-promote-contralateral-retinal-ganglion-cell-differentiation-and-axon-guidance-in-the-mouse-visual-system
#20
Takaaki Kuwajima, Célia A Soares, Austen A Sitko, Véronique Lefebvre, Carol Mason
Transcription factors control cell identity by regulating diverse developmental steps such as differentiation and axon guidance. The mammalian binocular visual circuit is comprised of projections of retinal ganglion cells (RGCs) to ipsilateral and contralateral targets in the brain. A transcriptional code for ipsilateral RGC identity has been identified, but less is known about the transcriptional regulation of contralateral RGC development. Here we demonstrate that SoxC genes (Sox4, 11, and 12) act on the progenitor-to-postmitotic transition to implement contralateral, but not ipsilateral, RGC differentiation, by binding to Hes5 and thus repressing Notch signaling...
February 14, 2017: Neuron
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