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https://www.readbyqxmd.com/read/28813463/genetic-diversity-of-bemisia-tabaci-species-colonizing-cassava-in-central-african-republic-characterized-by-analysis-of-cytochrome-c-oxidase-subunit-i
#1
Brice Kette Tocko-Marabena, Semballa Silla, Christophe Simiand, Innocent Zinga, James Legg, Bernard Reynaud, Helene Delatte
After 2007, upsurges of whiteflies on cassava plants and high incidences of cassava diseases were observed in Central African Republic. This recent upsurge in the abundance of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) was directly linked to serious damage to cassava crops resulting from spread of whitefly-borne cassava mosaic geminiviruses (CMGs). There is currently very little information describing whitefly populations on cassava and associated crops in Central African Republic. The current study aimed to address this gap, and to determine whether the increasing damage associated with B...
2017: PloS One
https://www.readbyqxmd.com/read/28811647/biogenesis-of-pro-senescent-microparticles-by-endothelial-colony-forming-cells-from-premature-neonates-is-driven-by-sirt1-dependent-epigenetic-regulation-of-mkk6
#2
Stéphanie Simoncini, Anne-Line Chateau, Stéphane Robert, Dilyana Todorova, Catherine Yzydorzick, Romaric Lacroix, Isabelle Ligi, Laurence Louis, Richard Bachelier, Umberto Simeoni, Frédérique Magdinier, Françoise Dignat-George, Florence Sabatier
Senescent cells may exert detrimental effect on microenvironment through the secretion of soluble factors and the release of extracellular vesicles, such as microparticles, key actors in ageing and cardiovascular diseases. We previously reported that sirtuin-1 (SIRT1) deficiency drives accelerated senescence and dysfunction of endothelial colony-forming cells (ECFC) in PT neonates. Because preterm birth (PT) increases the risk for cardiovascular diseases during neonatal period as well as at adulthood, we hypothesized that SIRT1 deficiency could control the biogenesis of microparticles as part of a senescence-associated secretory phenotype (SASP) of PT-ECFC and investigated the related molecular mechanisms...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810870/vector-borne-and-zoonotic-diseases-of-dogs-in-north-west-new-south-wales-and-the-northern-territory-australia
#3
Amanda J Shapiro, Graeme Brown, Jacqueline M Norris, Katrina L Bosward, Debbie J Marriot, Nandhakumar Balakrishnan, Edward B Breitschwerdt, Richard Malik
BACKGROUND: Vector-borne diseases of dogs in Australian Aboriginal communities are relatively unexplored. These dogs represent a unique group with variable ecto- and endo-parasitic burdens, nutritional stresses and a general lack of veterinary intervention. We investigated haemoprotozoal and bacterial pathogen prevalences in relation to erythrocyte and platelet numbers in dogs from North-West New South Wales (N-W NSW) and the Northern Territory (NT; Central Australia). METHODS: Real-time PCR (qPCR) amplification of Anaplasma platys, Babesia vogeli, Mycoplasma haemocanis, Candidatus Mycoplasma haematoparvum and Bartonella spp...
August 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28809507/persistence-of-indigenous-escherichia-coli-in-raw-bovine-manure-amended-soil
#4
Samantha K Çekiç, Jaysankar De, Mohammad Jubair, Keith R Schneider
The Food Safety Modernization Act attempts to reduce produce-related foodborne illness by using preventive rather than reactive measures. The goal of this research was to determine the persistence of manure-borne generic Escherichia coli under laboratory and field conditions. The population density of naturally occurring E. coli was ∼7.2 and 5.4 log CFU/10 g in pre- and postscreened manures, respectively. Postscreened (i.e. after the liquid manure has passed through a screen) manure was applied at light, medium, and heavy rates to fields in Live Oak and Citra, FL, during the fall and summer...
August 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28808814/the-impact-of-being-a-migrant-from-a-non-english-speaking-country-on-healthcare-outcomes-in-frail-older-inpatients-an-australian-study
#5
David Basic, Chris Shanley, Rinaldo Gonzales
The purpose of this prospective study of 2180 consecutive index admissions to an acute geriatric service was to compare in-hospital outcomes of frail older inpatients born in non-English-speaking counties, referred to as culturally and linguistically diverse (CALD) countries in Australia, with those born in English-speaking countries. Multivariate logistic regression was used to model in-hospital mortality and new nursing home placement. Multivariate Cox proportional hazards regression was used to model length of stay...
August 14, 2017: Journal of Cross-cultural Gerontology
https://www.readbyqxmd.com/read/28805630/implications-of-autophagy-on-arbovirus-infection-of-mosquitoes
#6
REVIEW
Doug E Brackney
Arthropod-borne (arbo-) viruses, like all viruses, are obligate intracellular parasites that have evolved mechanisms to subvert cellular processes and evade anti-viral defenses to replicate and persist. An increasing body of research is beginning to recognize the intimate relationship between arboviruses and the cellular autophagy pathway. As a result, new therapeutic approaches that modify the autophagic response to viral infection have shown great promise. The preponderance of work thus far, however, has originated from vertebrate systems...
August 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28805165/repurposing-as-a-strategy-for-the-discovery-of-new-anti-leishmanials-the-state-of-the-art
#7
Rebecca L Charlton, Bartira Rossi-Bergmann, Paul W Denny, Patrick G Steel
Leishmaniasis is a vector-borne neglected tropical disease caused by protozoan parasites of the genus Leishmania for which there is a paucity of effective viable non-toxic drugs. There are 1·3 million new cases each year causing considerable socio-economic hardship, best measured in 2·4 million disability adjusted life years, with greatest impact on the poorest communities, which means that desperately needed new antileishmanial treatments have to be both affordable and accessible. Established medicines with cheaper and faster development times may hold the cure for this neglected tropical disease...
August 14, 2017: Parasitology
https://www.readbyqxmd.com/read/28803130/prenatal-phthalate-exposures-and-child-temperament-at-12-and-24-months
#8
Alison B Singer, Mary S Wolff, Manori J Silva, Antonia M Calafat, Stephanie M Engel
INTRODUCTION: Gestational phthalate exposures have been adversely associated with attention, externalizing, and internalizing behaviors in childhood. Early childhood temperament may be a marker of later behavioral patterns. We therefore sought to determine whether gestational phthalate exposures were associated with infant and toddler temperament. METHODS: The Mount Sinai Children's Environmental Health Study is a prospective cohort study of children born between May 1998 and July 2001 in New York City (N=404)...
August 9, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28803015/calf-and-replacement-heifer-mortality-from-birth-until-weaning-in-pasture-based-dairy-herds-in-new-zealand
#9
E L Cuttance, W A Mason, J McDermott, R A Laven, S McDougall, C V C Phyn
The aims of this study were to (1) estimate the perinatal (birth to 24 h) and postnatal (∼24 h to the mean weaning age of 13 wk) mortality risk in pasture-based dairy calves until weaning, and (2) identify associated risk factors in the 2015 calving season. A prospective survey of 32 seasonal calving dairy farms was undertaken. Farmers recorded (daily) the number and sex of the calves alive or dead in the paddocks where cows calved. All daily animal movements in and out of the calf rearing facilities, including death and euthanasia, and the identification of the animals (if applicable) were recorded, and a survey of the farm management practices was undertaken...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28802746/is-it-who-you-are-or-where-you-live-residential-segregation-and-racial-gaps-in-childhood-asthma
#10
Diane Alexander, Janet Currie
Higher asthma rates are one of the more obvious ways that health inequalities between African American and other children are manifested beginning in early childhood. In 2010, black asthma rates were double non-black rates. Some but not all of this difference can be explained by factors such as a higher incidence of low birth weight (LBW) among blacks; however, even conditional on LBW, blacks have a higher incidence of asthma than others. Using a unique data set based on the health records of all children born in New Jersey between 2006 and 2010, we show that when we split the data by whether or not children live in a "black" zip code, this racial difference in the incidence of asthma among LBW children entirely disappears...
July 25, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28800956/adult-hippocampal-neurogenesis-is-it-the-alpha-and-omega-of-antidepressant-action
#11
REVIEW
Hoda Eliwa, Catherine Belzung, Alexandre Surget
It is now well established that all clinically available antidepressants share a common aptitude: they increase the production of adult-generated neurons in the dentate gyrus of the hippocampus. This was first observed in animal models and subsequently in human populations, highlighting the clinical relevance of this finding. Later, it was suggested that hippocampal neurogenesis was not an epiphenomenal correlate of antidepressant action but was causally involved. Indeed, when neurogenesis is suppressed, antidepressant compounds can no longer achieve remission...
August 8, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28799825/progress-toward-elimination-of-perinatal-hiv-transmission-in-kenya-analysis-of-early-infant-diagnosis-data
#12
Dunstan Achwoka, Justin Mandala, Mutugi Muriithi, Yanwu Zeng, Mario Chen, Rebecca Dirks, Martin Sirengo, Rose Wafula, Kwasi Torpey
Interrupting vertical transmission of HIV from mothers to infants provides opportunity to transform the HIV/AIDS epidemic by eliminating new infections among children. We estimate mother-to-child transmission rates of infants born to known HIV-positive mothers offered prevention of mother-to-child transmission interventions and provide an indication of Kenya's progress toward elimination of perinatal transmission. We obtained from the Kenya National Early Infant Diagnosis (EID) database, all 131,451 DNA polymerase chain reaction test results of HIV-exposed infants aged 0-18 months who had dried blood spot samples taken between January 2008 and October 2013...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28799659/perspectives-on-cybersecurity-information-sharing-among-multiple-stakeholders-using-a-decision-theoretic-approach
#13
Meilin He, Laura Devine, Jun Zhuang
The government, private sectors, and others users of the Internet are increasingly faced with the risk of cyber incidents. Damage to computer systems and theft of sensitive data caused by cyber attacks have the potential to result in lasting harm to entities under attack, or to society as a whole. The effects of cyber attacks are not always obvious, and detecting them is not a simple proposition. As the U.S. federal government believes that information sharing on cybersecurity issues among organizations is essential to safety, security, and resilience, the importance of trusted information exchange has been emphasized to support public and private decision making by encouraging the creation of the Information Sharing and Analysis Center (ISAC)...
August 11, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28797796/low-134-cs-137-cs-ratio-anomaly-in-the-north-northwest-direction-from-the-fukushima-dai-ichi-nuclear-power-station
#14
Shingo Kobayashi, Takayuki Shinomiya, Takahiro Ishikawa, Hitoshi Imaseki, Kazuki Iwaoka, Hisashi Kitamura, Satoshi Kodaira, Keisuke Kobayashi, Masakazu Oikawa, Norihiro Miyaushiro, Yoshio Takashima, Yukio Uchihori
A low (134)Cs/(137)Cs ratio anomaly in the north-northwest (NNW) direction from the Fukushima Dai-ichi Nuclear Power Station (FDNPS) is identified by a new analysis of the (134)Cs/(137)Cs ratio dataset which we had obtained in 2011-2015 by a series of car-borne surveys that employed a germanium gamma-ray spectrometer. We found that the (134)Cs/(137)Cs ratio is slightly lower (0.95, decay-corrected to March 11, 2011) in an area with a length of about 15 km and a width of about 3 km in the NNW direction from the FDNPS than in other directions from the station...
August 7, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28797225/environmentally-triggered-genomic-plasticity-and-capsular-polysaccharide-formation-are-involved-in-increased-ethanol-and-acetic-acid-tolerance-in-kozakia-baliensis-nbrc-16680
#15
Julia U Brandt, Friederike-Leonie Born, Frank Jakob, Rudi F Vogel
BACKGROUND: Kozakia baliensis NBRC 16680 secretes a gum-cluster derived heteropolysaccharide and forms a surface pellicle composed of polysaccharides during static cultivation. Furthermore, this strain exhibits two colony types on agar plates; smooth wild-type (S) and rough mutant colonies (R). This switch is caused by a spontaneous transposon insertion into the gumD gene of the gum-cluster, resulting in a heteropolysaccharide secretion deficient, rough phenotype. To elucidate, whether this is a directed switch triggered by environmental factors, we checked the number of R and S colonies under different growth conditions including ethanol and acetic acid supplementation...
August 10, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28795907/synergy-of-a-combination-of-nisin-and-citric-acid-against-staphylococcus-aureus-and-listeria-monocytogenes
#16
Xingchen Zhao, Zhen Zhen, Xinyang Wang, Na Guo
Food-borne diseases caused by pathogens, such as Staphylococcus aureus and Listeria monocytogenes, have for a long time attracted intensive worldwide attention from scientific researchers, food industries, and food safety authorities. Nisin (NS) is the only bacteriocin used worldwide as a GRAS food preservative, while citric acid (CA) has an unrestricted use in foods since it has GRAS status. In this study, synergistic interactions of NS combined with CA against S. aureus and L. monocytogenes were studied by the checkerboard microdilution method, with fractional inhibitory concentration index values ranging from 0...
August 10, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28794133/presence-and-pattern-of-scarring-in-children-born-very-preterm
#17
Anna C Tottman, Jane M Alsweiler, Frank H Bloomfield, Jane E Harding
The long-term scarring burden of preterm infants undergoing modern neonatal intensive care is not known. This observational cohort study aimed to document the presence and pattern of scarring in children born <30 weeks' gestation or <1500 g birth weight and cared for at the National Women's Health neonatal intensive care unit, Auckland, New Zealand. Children were examined at 7 years' corrected age and the presence, size, number and distribution of scars documented. Scarring was seen in 90% of 129 children assessed, with 81% having multiple scars, 60% having large scars (85% of whom had no history of major neonatal surgery) and 75% having more than one body area scarred...
August 9, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28792608/an-exploration-of-co-parenting-in-the-context-of-caring-for-a-child-prenatally-diagnosed-and-born-with-a-complex-health-condition
#18
Anne Chevalier Mckechnie, Jamie Rogstad, Katherine M Martin, Karen F Pridham
AIM: To describe co-parenting communication in couples in the context of caregiving for children prenatally diagnosed and born with complex health conditions. BACKGROUND: Fetal diagnosis of complex health conditions such as heart, central nervous system, or abdominal anomalies are confirmed more often than ever before. Following diagnosis, parents face challenges beginning before birth. The quality of co-parenting, when two individuals relate to each other as parents and share parental responsibilities, can have an impact on child health and development...
August 9, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28791258/prevention-and-control-strategies-to-counter-dengue-virus-infection
#19
REVIEW
Irfan A Rather, Hilal A Parray, Jameel B Lone, Woon K Paek, Jeongheui Lim, Vivek K Bajpai, Yong-Ha Park
Dengue is currently the highest and rapidly spreading vector-borne viral disease, which can lead to mortality in its severe form. The globally endemic dengue poses as a public health and economic challenge that has been attempted to suppress though application of various prevention and control techniques. Therefore, broad spectrum techniques, that are efficient, cost-effective, and environmentally sustainable, are proposed and practiced in dengue-endemic regions. The development of vaccines and immunotherapies have introduced a new dimension for effective dengue control and prevention...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28790782/revelations-of-an-overt-water-contamination
#20
Gurpreet Singh, S K Kaushik, S Mukherji
BACKGROUND: Contaminated water sources are major cause of water borne diseases of public health importance. Usually, contamination is suspected after an increase in patient load. METHODS: Two health teams investigated the episode. First team conducted sanitary survey, and second team undertook water safety and morbidity survey. On-site testing was carried out from source till consumer end. Investigation was also undertaken to identify factors which masked the situation...
July 2017: Medical Journal, Armed Forces India
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