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https://www.readbyqxmd.com/read/28087658/are-winter-and-summer-dormancy-symmetrical-seasonal-adaptive-strategies-the-case-of-temperate-herbaceous-perennials
#1
REVIEW
Lauren M Gillespie, Florence A Volaire
BACKGROUND: Dormancy in higher plants is an adaptive response enabling plant survival during the harshest seasons and has been more explored in woody species than in herbaceous species. Nevertheless, winter and summer shoot meristem dormancy are adaptive strategies that could play a major role in enhancing seasonal stress tolerance and resilience of widespread herbaceous plant communities. SCOPE: This review outlines the symmetrical aspects of winter and summer dormancy in order to better understand plant adaptation to severe stress, and highlight research priorities in a changing climate...
January 13, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28087616/pathways-to-false-positive-diagnoses-using-molecular-genetic-detection-methods-phytophthora-cinnamomi-a-case-study
#2
Manisha Kunadiya, Diane White, William A Dunstan, Giles E St, J Hardy, Vera Andjic, Treena I Burgess
Phytophthora cinnamomi is one of the world's most invasive plant pathogens affecting ornamental plants, horticultural crops and natural ecosystems. Accurate diagnosis is very important to determine the presence or absence of this pathogen in diseased and asymptomatic plants. In previous studies, P. cinnamomi species-specific primers were designed and tested using various polymerase chain reaction (PCR) techniques including conventional PCR, nested PCR, and quantitative real time PCR (qPCR). In all cases, the primers were stated to be highly specific and sensitive to P...
January 12, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28087155/population-genetic-data-of-38-insertion-deletion-markers-in-six-populations-of-the-northern-fringe-of-the-iberian-peninsula
#3
Sergio Cardoso, Rubén Sevillano, David Gamarra, Ana Santurtún, Begoña Martínez-Jarreta, Marian M de Pancorbo
Insertion-deletions have been reported very useful markers for forensic purposes. To further deepen in this matter, 38 non-coding bi-allelic autosomal indels were analyzed in 575 individuals representing six populations from the northern fringe of the Iberian Peninsula. Autochthonous populations from the Basque Country, northern Navarre, the Pas Valley in Cantabria and Aragon were analyzed, together with non-autochthonous populations from the Basque Country and northern Navarre. At the intra-population level, all loci analyzed were in Hardy-Weinberg equilibrium except for marker rs33917182 in autochthonous Basques...
January 3, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28081280/evaluation-on-the-germplasm-of-maize-zea-mays-l-landraces-from-southwest-china
#4
F B Chen, Q L Yao, H F Liu, P Fang
Because of their local adaptation and economic factors that limit the adoption of commercial hybrids, farmer-saved maize landraces are still grown over a considerable area concentrated in southwest China. To evaluate the potential of using maize landraces, the germplasm characteristics of 96 landraces from southwest China were evaluated at phenotypic, cellular, and molecular levels. The existence of high phenotypic variation and elite germplasm tolerant to low-N, low-P, as well as drought stress was observed...
December 23, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28076797/major-shifts-in-glial-regional-identity-are-a-transcriptional-hallmark-of-human-brain-aging
#5
Lilach Soreq, Jamie Rose, Eyal Soreq, John Hardy, Daniah Trabzuni, Mark R Cookson, Colin Smith, Mina Ryten, Rickie Patani, Jernej Ule
Gene expression studies suggest that aging of the human brain is determined by a complex interplay of molecular events, although both its region- and cell-type-specific consequences remain poorly understood. Here, we extensively characterized aging-altered gene expression changes across ten human brain regions from 480 individuals ranging in age from 16 to 106 years. We show that astrocyte- and oligodendrocyte-specific genes, but not neuron-specific genes, shift their regional expression patterns upon aging, particularly in the hippocampus and substantia nigra, while the expression of microglia- and endothelial-specific genes increase in all brain regions...
January 10, 2017: Cell Reports
https://www.readbyqxmd.com/read/28074919/development-of-microsatellite-markers-and-estimation-of-inbreeding-frequency-in-the-parasitoid-wasp-melittobia
#6
Jun Abe, Bart A Pannebakker
The parasitoid wasp Melittobia is an important insect for basic and applied biology. Specifically, their extremely female-biased sex ratios, which contrast to the prediction of pre-existing theories, are needed to be explained from the aspect of evolutionary biology. In this study, using next-generation sequencing, 20 microsatellite loci were developed and characterized for M. australica. The developed loci were used to analyze two populations, one from a mainland Japan and one from the Okinawa island region...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28073564/education-and-notification-approaches-for-harmful-algal-blooms-habs-washington-state-usa
#7
F Joan Hardy, Debra Bouchard, Marisa Burghdoff, Ray Hanowell, Beth LeDoux, Ellen Preece, Lindsay Tuttle, Gene Williams
While numerous strategies have been used to educate and notify the public about potential hazards from exposure to Harmful Algal Blooms (HABs), at present there are no national guidelines or suggested outreach approaches. To raise public awareness and determine effective HAB outreach methods, two Washington State agencies and three counties in the Puget Sound region implemented several education and notification strategies. These approaches were rated for effectiveness by state and county public health and water quality professionals...
December 2016: Harmful Algae
https://www.readbyqxmd.com/read/28072856/socioeconomic-inequalities-in-body-mass-index-across-adulthood-coordinated-analyses-of-individual-participant-data-from-three-british-birth-cohort-studies-initiated-in-1946-1958-and-1970
#8
David Bann, William Johnson, Leah Li, Diana Kuh, Rebecca Hardy
BACKGROUND: High body mass index (BMI) is an important contributor to the global burden of ill-health and health inequality. Lower socioeconomic position (SEP) in both childhood and adulthood is associated with higher adult BMI, but how these associations have changed across time is poorly understood. We used longitudinal data to examine how childhood and adult SEP relates to BMI across adulthood in three national British birth cohorts. METHODS AND FINDINGS: The sample comprised up to 22,810 participants with 77,115 BMI observations in the 1946 MRC National Survey of Health and Development (ages 20 to 60-64), the 1958 National Child Development Study (ages 23 to 50), and the 1970 British Cohort Study (ages 26 to 42)...
January 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28070706/analysis-of-12-x-str-loci-in-the-population-of-south-croatia
#9
Gordan Mršić, Petar Ozretić, Josip Crnjac, Siniša Merkaš, Ivana Račić, Sara Rožić, Viktorija Sukser, Maja Popović, Marina Korolija
The aim of the study was to assess forensic pertinence of 12 short tandem repeats (STRs) on X-chromosome in south Croatia population. Investigator(®) Argus X-12 kit was used to co-amplify 12 STR loci belonging to four linkage groups (LGs) on X-chromosome in 99 male and 98 female DNA samples of unrelated donors. PCR products were analyzed by capillary electrophoresis. Population genetic and forensic parameters were calculated by the Arlequin and POPTREE2 software, and an on-line tool available at ChrX-STR.org...
January 9, 2017: Molecular Biology Reports
https://www.readbyqxmd.com/read/28069945/charge-altering-releasable-transporters-carts-for-the-delivery-and-release-of-mrna-in-living-animals
#10
Colin J McKinlay, Jessica R Vargas, Timothy R Blake, Jonathan W Hardy, Masamitsu Kanada, Christopher H Contag, Paul A Wender, Robert M Waymouth
Functional delivery of mRNA to tissues in the body is key to implementing fundamentally new and potentially transformative strategies for vaccination, protein replacement therapy, and genome editing, collectively affecting approaches for the prevention, detection, and treatment of disease. Broadly applicable tools for the efficient delivery of mRNA into cultured cells would advance many areas of research, and effective and safe in vivo mRNA delivery could fundamentally transform clinical practice. Here we report the step-economical synthesis and evaluation of a tunable and effective class of synthetic biodegradable materials: charge-altering releasable transporters (CARTs) for mRNA delivery into cells...
January 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28069180/investigation-of-the-microbiota-of-the-reproductive-tract-in-women-undergoing-a-total-hysterectomy-and-bilateral-salpingo-oopherectomy
#11
Shana M Miles, Britney L Hardy, D Scott Merrell
OBJECTIVE: To conduct a pilot study to investigate the possible presence of bacteria throughout the female reproductive tract and to make a preliminary assessment of whether there are differences in the composition of the microbial communities between these body sites and/or between patients. DESIGN: Prospective pilot study followed by 16S amplification and high-throughput sequencing. SETTING: Tertiary care military hospital. PATIENT(S): A total of 10 women underwent a total hysterectomy with bilateral salpingo-oopherectomy; tissue samples were collected from the vagina, resected cervix, uterus, fallopian tubes, and ovaries...
January 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28065516/ignition-interlock-laws-effects-on-fatal-motor-vehicle-crashes-1982-2013
#12
Emma E McGinty, Gregory Tung, Juliana Shulman-Laniel, Rose Hardy, Lainie Rutkow, Shannon Frattaroli, Jon S Vernick
INTRODUCTION: Alcohol-involved motor vehicle crashes are a major cause of preventable mortality in the U.S., leading to more than 10,000 fatalities in 2013. Ignition interlocks, or alcohol-sensing devices connected to a vehicle's ignition to prevent it from starting if a driver has a predetermined blood alcohol content (BAC) level, are a promising avenue for preventing alcohol-involved driving. This study sought to assess the effects of laws requiring ignition interlocks for some or all drunk driving offenders on alcohol-involved fatal crashes...
December 27, 2016: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28064328/pharmacogenetics-of-cyp2c19-genetic-polymorphism-on-clopidogrel-response-in-patients-with-ischemic-stroke-from-saudi-arabia
#13
Adel A Alhazzani, Murali Munisamy, Gauthaman Karunakaran
OBJECTIVE: To elucidate the degree of genetic polymorphisms CYP2C19 (CYP2C19*2, CYP2C19*3) of key drug metabolizing enzymes on the antiplatelet effect of clopidogrel response in patients with acute ischemic stroke from Saudi Arabia. METHODS: A case-control study carried out at Neurology Clinics at Asser Central Hospital, Abha, Kingdom of Saudi Arabia from October 2015 to January 2016 and included 25 stroke patients responding to clopidogrel therapy and 25 stroke patients non responding to clopidogrel monotherapy...
January 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28061873/prophylactic-melatonin-for-delirium-in-intensive-care-pro-medic-study-protocol-for-a-randomised-controlled-trial
#14
F Eduardo Martinez, Matthew Anstey, Andrew Ford, Brigit Roberts, Miranda Hardie, Robert Palmer, Lynn Choo, David Hillman, Michael Hensley, Erin Kelty, Kevin Murray, Bhajan Singh, Bradley Wibrow
BACKGROUND: Delirium is an acute state of brain dysfunction characterised by fluctuating inattention and cognitive disturbances, usually due to illness. It occurs commonly in the intensive care unit (ICU), and it is associated with greater morbidity and mortality. It is likely that disturbances of sleep and of the day-night cycle play a significant role. Melatonin is a naturally occurring, safe and cheap hormone that can be administered to improve sleep. The main aim of this trial will be to determine whether prophylactic melatonin administered to critically ill adults, when compared with placebo, decreases the rate of delirium...
January 6, 2017: Trials
https://www.readbyqxmd.com/read/28058769/upper-and-or-lower-gastrointestinal-adverse-events-with-glp-1-receptor-agonists-incidences-and-consequences
#15
Michael Horowitz, Vanita R Aroda, Jenny Han, Elise Hardy, Chris K Rayner
AIMS: Glucagon-like peptide-1 receptor agonists (GLP-1RAs) are associated with gastrointestinal adverse events (AEs), although type and frequency may differ across the class. We characterized gastrointestinal AEs with different GLP-1RAs. METHODS: Two retrospective intent-to-treat analyses of 6-month patient-level data were conducted. Data from three studies comparing exenatide once weekly (QW; n = 617) with exenatide twice daily (BID; n = 606) were pooled, and one (DURATION-6) comparing exenatide QW (n = 461) with liraglutide (n = 450) was analyzed separately...
January 6, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28058600/the-japanese-tree-frog-hyla-japonica-one-of-the-most-cold-resistant-species-of-amphibians
#16
D I Berman, E N Meshcheryakova, N A Bulakhova
The Japanese tree frog, a representative of the Manchurian fauna, is characterized by an outstanding cold resistance among the anuran amphibian species studied so far. Almost 70% of the specimens from the population inhabiting the middle Amur River withstand the cooling down to-30°C; some animals, down to-35°C. This exceeds more than twofold the cold hardiness of the wood frog (Lithobates sylvaticus LeConte, 1825), which has been considered earlier to be the most cold-resistant species. The ability of H. japonica to survive for four months in the frozen state at low temperatures makes this species independent of the temperature overwintering conditions...
November 2016: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/28056267/-association-between-eye-absent-homolog-4-gene-polymorphisms-and-occupational-noise-induced-hearing-loss
#17
Q Y Yang, X R Xu, J Jiao, Y X Zheng, L H He, S F Yu, G Z Gu, G S Chen, W H Zhou, H Wu, Y H Li, H L Zhang, Z R Zhang
Objective: To identify the association between genetic polymorphisms in the eye absent homolog 4 (EYA4) gene and noise-induced hearing loss (NIHL). Method: A nested case control study was conducted based on a cohort of noise-exposed subjects. In total, 292 cases were selected from a steel factory from 6 297 subjects during Jan 1, 2006 to Dec 12, 2015,who had an average hearing threshold of more than 40 dB(A); 584 matched control subjects for each case were designated on the basis of matched criteria including same gender, age (±5 years) and duration of exposure to noise (±2 years)...
January 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28054745/the-discovery-of-alzheimer-causing-mutations-in-the-app-gene-and-the-formulation-of-the-amyloid-cascade-hypothesis
#18
REVIEW
John Hardy
The cloning of APP and genetic analysis of families with Alzheimer's disease were both reported in 1987 and much present work on the disease is based upon the foundations laid at that time. Progress was not smooth however, and many errors were made. In this memoir, I lay out both the progress and the errors. This article is protected by copyright. All rights reserved.
January 5, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28054352/impact-of-il13-genetic-polymorphism-arg130gln-on-total-serum-ige-levels-and-ifn-%C3%AE-gene-expression
#19
Bozena Smolkova, Jana Tulinska, Lubica Palkovicova Murinova, Verona Buocikova, Aurelia Liskova, Katarina Rausova, Miroslava Kuricova, Henrieta Patayova, Maria Sustrova, Eva Neubauerova Svorcova, Silvia Ilavska, Michaela Szabova, Tomas Nemessanyi, Eva Jahnova, Maria Dusinska, Peter Ciznar, Laurence Fuortes
This cross-sectional study was designed to investigate the extent of genetic susceptibility by targeting variants in IL-4/IL-13 signalling pathways leading to atopic disease in early childhood. We evaluated involvement of five single nucleotide polymorphisms IL4 C-590T, IL13 C-1055T, IL13 Arg130Gln, IL4RA Ile50Val and IL4RA Ser478Pro, in the control of serum total and antigen-specific IgE levels. Furthermore, we analyzed their association with changes in gene expression of five cytokines having key roles in inflammatory and anti-inflammatory immune response (IL-4, IL-13, IFN-γ, IL-8 and IL-10)...
January 5, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28051918/genetic-variation-in-fabp4-and-evaluation-of-its-effects-on-beef-cattle-fat-content
#20
Daniel E Goszczynski, Juliana Papaleo-Mazzucco, María V Ripoli, Edgardo L Villarreal, Andrés Rogberg-Muñoz, Carlos A Mezzadra, Lilia M Melucci, Guillermo Giovambattista
FABP4 is a protein primarily expressed in adipocytes and macrophages that plays a key role in fatty acid trafficking and lipid hydrolysis. FABP4 gene polymorphisms have been associated with meat quality traits in cattle, mostly in Asian breeds under feedlot conditions. The objectives of this work were to characterize FABP4 genetic variation in several worldwide cattle breeds and evaluate possible genotype effects on fat content in a pasture-fed crossbred (Angus-Hereford-Limousin) population. We re-sequenced 43 unrelated animals from nine cattle breeds (Angus, Brahman, Creole, Hereford, Holstein, Limousin, Nelore, Shorthorn, and Wagyu) and obtained 22 single nucleotide polymorphisms (SNPs) over 3,164 bp, including four novel polymorphisms...
January 4, 2017: Animal Biotechnology
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