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https://www.readbyqxmd.com/read/28206852/british-journal-of-biomedical-science-in-2016-what-have-we-learned
#1
Andrew Blann
In 2016, the British Journal of Biomedical Science published 36 reports outlining specific advances in each of the various disciplines within biomedical science. These were one review, 25 original articles, 9 'In Brief' reports and one letter to the Editor. Of these, the majority were in blood science (5 in biochemistry, 7 in haematology and 2 in immunology) and infection science (8 in microbiology, 2 in virology) with a smaller number in cellular sciences (6 in cellular pathology and 2 in cytopathology). Three reports considered both biochemistry and immunology, while another reported an advance in the identification of chromosomal abnormalities...
January 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28183165/evaluation-of-microbiological-cellular-and-risk-factors-associated-with-subclinical-mastitis-in-female-buffaloes
#2
Emmanuella Oliveira Moura, Adriano Henrique do Nascimento Rangel, Maria Celeste Nunes de Melo, Luiz Henrique Fernandes Borba, Dorgival Morais de Lima Júnior, Luciano Patto Novaes, Stela Antas Urbano, Júlio César de Andrade Neto
Objective: This study aimed to evaluate the microbiological and cellular milk profile for the diagnosis of subclinical mastitis in female buffaloes and to assess risk factors for predisposition of the disease. Methods: Analyses were carried out by standard plate count (SPC), identification of species and antibiotic resistance, somatic cell count (SCC), electrical conductivity of milk (ECM), and Lactoferrin content in milk (Lfe). Teat cups were swabbed to evaluate risk factors, observing hyperkeratosis, milking vacuum pressure and cleanliness of the site...
February 1, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28130271/time-to-credit-gender-inequities-of-first-year-phd-students-in-the-biological-sciences
#3
David F Feldon, James Peugh, Michelle A Maher, Josipa Roksa, Colby Tofel-Grehl
Equitable gender representation is an important aspect of scientific workforce development to secure a sufficient number of individuals and a diversity of perspectives. Biology is the most gender equitable of all scientific fields by the marker of degree attainment, with 52.5% of PhDs awarded to women. However, equitable rates of degree completion do not translate into equitable attainment of faculty or postdoctoral positions, suggesting continued existence of gender inequalities. In a national cohort of 336 first-year PhD students in the biological sciences (i...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/28109329/what-makes-a-prion-infectious-proteins-from-animals-to-yeast
#4
K S MacLea
While philosophers in ancient times had many ideas for the cause of contagion, the modern study of infective agents began with Fracastoro's 1546 proposal that invisible "spores" spread infectious disease. However, firm categorization of the pathogens of the natural world would need to await a mature germ theory that would not arise for 300 years. In the 19th century, the earliest pathogens described were bacteria and other cellular microbes. By the close of that century, the work of Ivanovsky and Beijerinck introduced the concept of a virus, an infective particle smaller than any known cell...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28106736/development-and-sequential-analysis-of-a-new-multi-agent-anti-acne-formulation-based-on-plant-derived-antimicrobial-and-anti-inflammatory-compounds
#5
Crina Saviuc, Bianca Ciubucă, Gabriela Dincă, Coralia Bleotu, Veronica Drumea, Mariana-Carmen Chifiriuc, Marcela Popa, Gratiela Gradisteanu Pircalabioru, Luminita Marutescu, Veronica Lazăr
The antibacterial and anti-inflammatory potential of natural, plant-derived compounds has been reported in many studies. Emerging evidence indicates that plant-derived essential oils and/or their major compounds may represent a plausible alternative treatment for acne, a prevalent skin disorder in both adolescent and adult populations. Therefore, the purpose of this study was to develop and subsequently analyze the antimicrobial activity of a new multi-agent, synergic formulation based on plant-derived antimicrobial compounds (i...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28102241/microbiology-mind-the-gaps-in-cellular-evolution
#6
James O McInerney, Mary J O'Connell
No abstract text is available yet for this article.
January 19, 2017: Nature
https://www.readbyqxmd.com/read/28050814/what-orthopaedic-operating-room-surfaces-are-contaminated-with-bioburden-a-study-using-the-atp-bioluminescence-assay
#7
Raveesh Daniel Richard, Thomas R Bowen
BACKGROUND: Contaminated operating room surfaces can increase the risk of orthopaedic infections, particularly after procedures in which hardware implantation and instrumentation are used. The question arises as to how surgeons can measure surface cleanliness to detect increased levels of bioburden. This study aims to highlight the utility of adenosine triphosphate (ATP) bioluminescence technology as a novel technique in detecting the degree of contamination within the sterile operating room environment...
January 3, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28006108/digitoxin-for-airway-inflammation-in-cystic-fibrosis-preliminary-assessment-of-safety-pharmacokinetics-and-dose-finding
#8
Pamela L Zeitlin, Marie Diener-West, Karen A Callahan, Seakwoo Lee, C Conover Talbot, Bette Pollard, Michael P Boyle, Noah Lechtzin
RATIONALE: Cystic fibrosis (CF) lung disease progresses by a combination of airway inflammation, bacterial colonization, and infection. Airway inflammation is predominantly neutrophilic and complicates airway clearance therapies through cellular debris; excessive DNA; excessive and viscous mucus; and high concentrations of neutrophils, IL-8, and related cytokines liberated along the nuclear factor-κB signaling pathway. OBJECTIVES: We conducted a preliminary, single-site, randomized, double-blind, placebo-controlled study to evaluate the effects over 28 days of two dose levels (0...
February 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27986597/literature-mining-supports-a-next-generation-modeling-approach-to-predict-cellular-byproduct-secretion
#9
Zachary A King, Edward J O'Brien, Adam M Feist, Bernhard O Palsson
The metabolic byproducts secreted by growing cells can be easily measured and provide a window into the state of a cell; they have been essential to the development of microbiology, cancer biology, and biotechnology. Progress in computational modeling of cells has made it possible to predict metabolic byproduct secretion with bottom-up reconstructions of metabolic networks. However, owing to a lack of data, it has not been possible to validate these predictions across a wide range of strains and conditions...
January 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/27966037/microbiology-meets-archaeology-soil-microbial-communities-reveal-different-human-activities-at-archaic-monte-iato-sixth-century-bc
#10
Rosa Margesin, José A Siles, Tomas Cajthaml, Birgit Öhlinger, Erich Kistler
Microbial ecology has been recognized as useful in archaeological studies. At Archaic Monte Iato in Western Sicily, a native (indigenous) building was discovered. The objective of this study was the first examination of soil microbial communities related to this building. Soil samples were collected from archaeological layers at a ritual deposit (food waste disposal) in the main room and above the fireplace in the annex. Microbial soil characterization included abundance (cellular phospholipid fatty acids (PLFA), viable bacterial counts), activity (physiological profiles, enzyme activities of viable bacteria), diversity, and community structure (bacterial and fungal Illumina amplicon sequencing, identification of viable bacteria)...
December 13, 2016: Microbial Ecology
https://www.readbyqxmd.com/read/27935825/microglia-activation-in-a-pediatric-rabbit-model-of-tuberculous-meningitis
#11
Elizabeth W Tucker, Supriya Pokkali, Zhi Zhang, Vincent P DeMarco, Mariah Klunk, Elizabeth S Smith, Alvaro A Ordonez, Marie-France Penet, Zaver Bhujwalla, Sanjay K Jain, Sujatha Kannan
Central nervous system (CNS) tuberculosis (TB) is the most severe form of extra-pulmonary TB and disproportionately affects young children where the developing brain has a unique host response. New Zealand white rabbits were infected with Mycobacterium tuberculosis via subarachnoid inoculation at postnatal day 4-8 and evaluated until 4-6 weeks post-infection. Control and infected rabbit kits were assessed for the development of neurological deficits, bacterial burden, and postmortem microbiologic and pathologic changes...
December 1, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/27837352/crossing-boundaries-the-importance-of-cellular-membranes-in-industrial-biotechnology
#12
REVIEW
Sylwia Jezierska, Inge N A Van Bogaert
How small molecules cross cellular membranes is an often overlooked issue in an industrial microbiology and biotechnology context. This is to a large extent governed by the technical difficulties to study these transport systems or by the lack of knowledge on suitable efflux pumps. This review emphasizes the importance of microbial cellular membranes in industrial biotechnology by highlighting successful strategies of membrane engineering towards more resistant and hence better performing microorganisms, as well as transporter and other engineering strategies for increased efflux of primary and secondary metabolites...
November 11, 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27832091/impedance-flow-cytometry-a-novel-technique-in-pollen-analysis
#13
Iris Heidmann, Grit Schade-Kampmann, Joep Lambalk, Marcel Ottiger, Marco Di Berardino
INTRODUCTION: An efficient and reliable method to estimate plant cell viability, especially of pollen, is important for plant breeding research and plant production processes. Pollen quality is determined by classical methods, like staining techniques or in vitro pollen germination, each having disadvantages with respect to reliability, analysis speed, and species dependency. Analysing single cells based on their dielectric properties by impedance flow cytometry (IFC) has developed into a common method for cellular characterisation in microbiology and medicine during the last decade...
2016: PloS One
https://www.readbyqxmd.com/read/27796326/shedding-light-on-cell-compartmentation-in-the-candidate-phylum-poribacteria-by-high-resolution-visualisation-and-transcriptional-profiling
#14
Martin T Jahn, Sebastian M Markert, Taewoo Ryu, Timothy Ravasi, Christian Stigloher, Ute Hentschel, Lucas Moitinho-Silva
Assigning functions to uncultivated environmental microorganisms continues to be a challenging endeavour. Here, we present a new microscopy protocol for fluorescence in situ hybridisation-correlative light and electron microscopy (FISH-CLEM) that enabled, to our knowledge for the first time, the identification of single cells within their complex microenvironment at electron microscopy resolution. Members of the candidate phylum Poribacteria, common and uncultivated symbionts of marine sponges, were used towards this goal...
October 31, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27782138/optical-and-force-nanoscopy-in-microbiology
#15
REVIEW
Jie Xiao, Yves F Dufrêne
Microbial cells have developed sophisticated multicomponent structures and machineries to govern basic cellular processes, such as chromosome segregation, gene expression, cell division, mechanosensing, cell adhesion and biofilm formation. Because of the small cell sizes, subcellular structures have long been difficult to visualize using diffraction-limited light microscopy. During the last three decades, optical and force nanoscopy techniques have been developed to probe intracellular and extracellular structures with unprecedented resolutions, enabling researchers to study their organization, dynamics and interactions in individual cells, at the single-molecule level, from the inside out, and all the way up to cell-cell interactions in microbial communities...
October 26, 2016: Nature Microbiology
https://www.readbyqxmd.com/read/27769596/vaccine-development-from-concept-to-early-clinical-testing
#16
Anthony L Cunningham, Nathalie Garçon, Oberdan Leo, Leonard R Friedland, Richard Strugnell, Béatrice Laupèze, Mark Doherty, Peter Stern
In the 21st century, an array of microbiological and molecular allow antigens for new vaccines to be specifically identified, designed, produced and delivered with the aim of optimising the induction of a protective immune response against a well-defined immunogen. New knowledge about the functioning of the immune system and host pathogen interactions has stimulated the rational design of vaccines. The design toolbox includes vaccines made from whole pathogens, protein subunits, polysaccharides, pathogen-like particles, use of viral/bacterial vectors, plus adjuvants and conjugation technology to increase and broaden the immune response...
December 20, 2016: Vaccine
https://www.readbyqxmd.com/read/27748368/cellular-microbiology-tagging-proteins-for-the-clp-protease
#17
Katharine H Wrighton
No abstract text is available yet for this article.
October 17, 2016: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/27726817/skin-and-soft-tissue-infections
#18
Anne Spichler Moffarah, Mayar Al Mohajer, Bonnie L Hurwitz, David G Armstrong
The skin is colonized by a diverse collection of microorganisms which, for the most part, peacefully coexist with their hosts. Skin and soft tissue infections (SSTIs) encompass a variety of conditions; in immunocompromised hosts, SSTIs can be caused by diverse microorganisms-most commonly bacteria, but also fungi, viruses, mycobacteria, and protozoa. The diagnosis of SSTIs is difficult because they may commonly masquerade as other clinical syndromes or can be a manifestation of systemic disease. In immunocompromised hosts, SSTI poses a major diagnostic challenge, and clinical dermatological assessment should be initially performed; to better identify the pathogen and to lead to appropriate treatment, etiology should include cultures of lesions and blood, biopsy with histology, specific microbiological analysis with special stains, molecular techniques, and antigen-detection methodologies...
August 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/27672151/from-homeostasis-to-pathology-decrypting-microbe-host-symbiotic-signals-in-the-intestinal-crypt
#19
REVIEW
Thierry Pédron, Giulia Nigro, Philippe J Sansonetti
Metagenomic analysis of the human intestinal microbiome has provided a wealth of information that allowed an exceptionally detailed description of its microbial content and physiological potential. It also set the basis for studies allowing correlation of alterations in the balance of this microbiota and the occurrence of a certain number of emerging diseases, such as inflammatory bowel diseases, obesity and diabetes, and possibly colorectal cancer. The time has come to give the intestinal microbiota in symbiosis with its host an experimental dimension...
November 5, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/27666511/clinical-cytological-and-microbiological-evaluation-of-bronchoalveolar-lavage-in-children-a-referral-hospital-based-study
#20
Babak Pourakbari, Shima Mahmoudi, Amir Hossein Jafari, Abbas Bahador, Sepideh Keshavarz Valian, Reihaneh Hosseinpour Sadeghi, Setareh Mamishi
INTRODUCTION: Diffuse lung diseases (DLD) in children involve a group of heterogeneous, rare disorders. In spite of the low diagnostic yield in pediatric DLD, bronchoalveolar lavage (BAL) can be used to diagnose specific disorders. There are few studies about microbial and cellular profiles of BAL samples in these patients. This study was conducted to evaluate the clinical, cytological and microbiological evaluation of BAL in children with DLD. METHODS: The clinical, cytological and microbiological profiles of BAL samples of all patients with DLD who underwent the fiberoptic bronchoscopy (FOB) at Children's Medical Center, an Iranian referral pediatrics Hospital during a year were evaluated...
November 2016: Microbial Pathogenesis
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