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https://www.readbyqxmd.com/read/28323614/a-chloroplast-retrograde-signal-3-phosphoadenosine-5-phosphate-acts-as-a-secondary-messenger-in-abscisic-acid-signaling-in-stomatal-closure-and-germination
#1
Wannarat Pornsiriwong, Gonzalo M Estavillo, Kai Xun Chan, Estee E Tee, Diep Ganguly, Peter A Crisp, Su Yin Phua, Chenchen Zhao, Jiaen Qiu, Jiyoung Park, Miing Tiem Yong, Nazia Nisar, Arun Kumar Yadav, Benjamin Schwessinger, John Rathjen, Christopher I Cazzonelli, Philippa B Wilson, Matthew Gilliham, Zhong-Hua Chen, Barry J Pogson
Organelle-nuclear retrograde signaling regulates gene expression, but its roles in specialized cells and integration with hormonal signaling remain enigmatic. Here we show that the SAL1-PAP (3'-phosphoadenosine 5'- phosphate) retrograde pathway interacts with abscisic acid (ABA) signaling to regulate stomatal closure and seed germination in Arabidopsis. Genetically or exogenously manipulating PAP bypasses the canonical signaling components ABA Insensitive 1 (ABI1) and Open Stomata 1 (OST1); priming an alternative pathway that restores ABA-responsive gene expression, ROS bursts, ion channel function, stomatal closure and drought tolerance in ost1-2...
March 21, 2017: ELife
https://www.readbyqxmd.com/read/28321323/total-kidney-volume-as-a-biomarker-of-disease-progression-in-autosomal-dominant-polycystic-kidney-disease
#2
REVIEW
Navdeep Tangri, Ingrid Hougen, Ahsan Alam, Ronald Perrone, Phil McFarlane, York Pei
PURPOSE OF REVIEW: Autosomal dominant polycystic kidney disease (ADPKD) is an inherited disorder characterized by the formation of kidney cysts and kidney enlargement, which progresses to kidney failure by the fifth to seventh decade of life in a majority of patients. Disease progression is evaluated primarily through serum creatinine and estimated glomerular filtration rate (eGFR) measurements; however, it is known that serum creatinine and eGFR values typically do not change until the fourth or fifth decade of life...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28317783/heat-induced-formation-of-mepiquat-by-decarboxylation-of-pipecolic-acid-and-its-betaine-derivative-part-2-natural-formation-in-cooked-vegetables-and-selected-food-products
#3
Yuan Yuan, Adrienne Tarres, Thomas Bessaire, Wilhelm Rademacher, Richard H Stadler, Thierry Delatour
Mepiquat (N,N-dimethylpiperidinium) is a plant growth regulator registered for use as its chloride salt in many countries on cereals and other crops. Recent model system studies have shown that natural chemicals present in crop plants, such as pipecolic acid and pipecolic acid betaine, may furnish mepiquat through different chemical pathways, when subjected to temperatures in the range of 200°C. In this study, we cooked raw vegetables that did not contain mepiquat to a palatable state using different traditional cooking methods, and detected mepiquat in 9 out of 11 oven-cooked vegetables, reaching up to 189μg/kg dry wt in oven-cooked broccoli...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28306573/redefining-progressive-encephalomyelitis-with-rigidity-and-myoclonus-after-the-discovery-of-antibodies-to-glycine-receptors
#4
Sarah J Crisp, Bettina Balint, Angela Vincent
PURPOSE OF REVIEW: This review highlights the recent discovery of antibodies to glycine receptor (GlyR-Ab) and discusses the relationship between these antibodies and neurological disorders. RECENT FINDINGS: Since the initial description in 2008 of antibodies to glycine receptors (GlyR-Abs) in a patient with progressive encephalomyelitis with rigidity and myoclonus (PERM), these antibodies have been found in PERM and in some patients with a variety of stiff person spectrum (SPS) or related disorders...
March 16, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28286910/the-molecular-mechanism-underlying-anthocyanin-metabolism-in-apple-using-the-mdmyb16-and-mdbhlh33-genes
#5
Haifeng Xu, Nan Wang, Jingxuan Liu, Changzhi Qu, Yicheng Wang, Shenghui Jiang, Ninglin Lu, Deyun Wang, Zongying Zhang, Xuesen Chen
MdMYB16 forms homodimers and directly inhibits anthocyanin synthesis via its C-terminal EAR repressor. It weakened the inhibitory effect of MdMYB16 on anthocyanin synthesis when overexpressing MdbHLH33 in callus overexpressing MdMYB16. MdMYB16 could interact with MdbHLH33. Anthocyanins are strong antioxidants that play a key role in the prevention of cardiovascular disease, cancer, and diabetes. The germplasm of Malus sieversii f. neidzwetzkyana is important for the study of anthocyanin metabolism. To date, only limited studies have examined the negative regulatory mechanisms underlying anthocyanin synthesis in apple...
March 12, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28267895/characteristics-of-symptomatic-men-with-testicular-microlithiasis-a-danish-cross-sectional-questionnaire-study
#6
M R Pedersen, H Møller, S R Rafaelsen, M M B Jørgensen, P J Osther, P Vedsted
Testicular microlithiasis (TML) is an incidental finding at ultrasonography of the scrotum. A link between testicular microlithiasis and testicular cancer has been suggested. However, the majority of studies are retrospective using ultrasonography with minor data on health status and life style characteristics. Our objective was to investigate if lifestyle and health are associated with TML. In 2014, we conducted a self-administered questionnaire survey including 1538 men, who all due to testicular/scrotal symptoms had an ultrasound investigation of the scrotum during 2004-2013...
March 7, 2017: Andrology
https://www.readbyqxmd.com/read/28256538/high-frequency-torsional-alfv%C3%A3-n-waves-as-an-energy-source-for-coronal-heating
#7
Abhishek Kumar Srivastava, Juie Shetye, Krzysztof Murawski, John Gerard Doyle, Marco Stangalini, Eamon Scullion, Tom Ray, Dariusz Patryk Wójcik, Bhola N Dwivedi
The existence of the Sun's hot atmosphere and the solar wind acceleration continues to be an outstanding problem in solar-astrophysics. Although magnetohydrodynamic (MHD) modes and dissipation of magnetic energy contribute to heating and the mass cycle of the solar atmosphere, yet direct evidence of such processes often generates debate. Ground-based 1-m Swedish Solar Telescope (SST)/CRISP, Hα 6562.8 Å observations reveal, for the first time, the ubiquitous presence of high frequency (~12-42 mHz) torsional motions in thin spicular-type structures in the chromosphere...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28239756/culturally-relevant-human-subjects-protection-training-a-case-study-in-community-engaged-research-in-the-united-states
#8
Jennifer Kue, Laura A Szalacha, Mary Beth Happ, Abigail L Crisp, Usha Menon
Non-academic members of research teams, such as community members, can perceive traditional human subjects protection training as lacking in cultural relevance. We present a case exemplar of the development of a human subjects protection training for research staff with limited English proficiency and/or no or limited research experience. Seven modules were adapted for language, cultural examples, etc., from the standard Collaborative Institutional Training Initiative (CITI) human subjects protection training...
February 27, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28238904/proteomic-toxicological-and-immunogenic-characterization-of-mexican-west-coast-rattlesnake-crotalus-basiliscus-venom-and-its-immunological-relatedness-with-the-venom-of-central-american-rattlesnake-crotalus-simus
#9
Álvaro Segura, María Herrera, Francisco Reta Mares, Claudia Jaime, Andrés Sánchez, Mariángela Vargas, Mauren Villalta, Aarón Gómez, José María Gutiérrez, Guillermo León
The venom of the Mexican west-coast rattlesnake (Crotalus basiliscus) was characterized for its protein composition, toxicological profile and immunogenic properties. This venom is composed of 68% Zn(2+)-dependent metalloproteinases (SVMPs), 14% phospholipases A2 (PLA2s), 11% serine proteinases, 4% SVMPs-inhibitor tripeptides (SVMP-ITs), 2% bradykinin-potentiating peptides (BPPs), 0.6% cysteine-rich secretory proteins (CRISPs), and 0.2% l-amino acid oxidases (LAAOs). SVMPs present in the venom are responsible for azocasein hydrolysis and hemorrhagic activity, but their contribution to the lethal activity of the venom in mice is masked by the neurotoxic activity of PLA2s, which in addition are also responsible for myotoxic activity...
February 24, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28231290/mapping-the-sensory-perception-of-apple-using-descriptive-sensory-evaluation-in-a-genome-wide-association-study
#10
Beatrice Amyotte, Amy J Bowen, Travis Banks, Istvan Rajcan, Daryl J Somers
Breeding apples is a long-term endeavour and it is imperative that new cultivars are selected to have outstanding consumer appeal. This study has taken the approach of merging sensory science with genome wide association analyses in order to map the human perception of apple flavour and texture onto the apple genome. The goal was to identify genomic associations that could be used in breeding apples for improved fruit quality. A collection of 85 apple cultivars was examined over two years through descriptive sensory evaluation by a trained sensory panel...
2017: PloS One
https://www.readbyqxmd.com/read/28230615/the-effect-of-intravenous-acetaminophen-on-postoperative-pain-and-narcotic-consumption-after-vaginal-reconstructive-surgery-a-double-blind-randomized-placebo-controlled-trial
#11
Catrina C Crisp, Madiha Khan, Donna L Lambers, Lauren B Westermann, Donna M Mazloomdoost, Jennifer J Yeung, Steven D Kleeman, Rachel N Pauls
OBJECTIVE: This study aimed to determine the effect of intravenous acetaminophen versus placebo on postoperative pain, satisfaction with pain control, and narcotic use after vaginal reconstructive surgery. METHODS: This was an institutional review board-approved, double-blind placebo-controlled randomized trial. Women scheduled for reconstructive surgery including vaginal hysterectomy and vaginal vault suspension were enrolled. Subjects received 1000 mg of intravenous acetaminophen or 100 mL placebo every 6 hours for 24 hours...
March 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28218965/physicochemical-characterization-of-a-heat-treated-calcium-alginate-dry-film-prepared-with-chicken-stock
#12
Germán D Báez, Gisela N Piccirilli, Griselda A Ballerini, Agustín Frattini, Pablo A Busti, Roxana A Verdini, Néstor J Delorenzi
Solid sodium alginate was dissolved into chicken stock in order to give a final alginate concentration of 0.9 percent (w/v). Calcium ions present in chicken stock were enough to induce ionic gelation. After drying, Fourier transform infrared spectroscopy, thickness and mechanical properties of films obtained were determined. Calcium alginate-chicken stock films were heated at 130 °C for different times between 0 and 15 min. Mechanical and optical studies, differential scanning calorimetry, visual aspect and scanning electron microscopy were carried out to describe physicochemical properties of heat treated films...
February 20, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28215189/socio-economic-differences-in-diet-physical-activity-and-leisure-time-screen-use-among-scottish-children-in-2006-and-2010-are-we-closing-the-gap
#13
Geraldine McNeill, Lindsey F Masson, Jennie I Macdiarmid, Leone Ca Craig, Wendy J Wills, Catherine Bromley
OBJECTIVE: To investigate socio-economic differences in children's diet, activity and inactivity and changes in these differences over 4 years during which new policies on food in schools were introduced. DESIGN: Two cross-sectional surveys in which diet was assessed by FFQ and physical activity and inactivity were assessed by interviewer-administered questionnaire. Socio-economic status was assessed by the area-based Scottish Index of Multiple Deprivation. SETTING: Scotland, 2006 and 2010...
February 20, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28213024/sanitizer-efficacy-in-preventing-cross-contamination-of-heads-of-lettuce-during-retail-crisping
#14
Yangjin Jung, Hyein Jang, Mengqi Guo, Jingwen Gao, Karl R Matthews
This study was conducted to provide information regarding mitigation of cross-contamination through the use of sanitizer during crisping at retail outlets. Seven non-inoculated heads and one inoculated head (≈5 log CFU/g) of lettuce were placed into commercial sink filled with 76 L of tap water (TW), electrolyzed water (EW, free chlorine: 43 ± 6 ppm), lactic acid and phosphoric acid-based sanitizer (LPA, pH 2.89), or citric acid-based sanitizer (CA, pH 2.78) and soaked for 5 min. Two subsequent batches (eight non-inoculated heads per batch) were soaked in the same solution...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28174513/cervical-mucus-proteome-in-endometriosis
#15
Giuseppe Grande, Federica Vincenzoni, Domenico Milardi, Giuseppina Pompa, Domenico Ricciardi, Erika Fruscella, Francesca Mancini, Alfredo Pontecorvi, Massimo Castagnola, Riccardo Marana
BACKGROUND: Endometriosis is a chronic gynecological inflammatory disease characterized by the presence of functional endometrial glands and stroma outside of the uterine cavity. It affects 7-10% of women of reproductive age and up to 50% of women with infertility. The current gold standard for the diagnosis combines laparoscopic evaluation and biopsy of the visualized lesions. However, laparoscopy requires general anesthesia and developed surgical skills and it has a high procedural cost...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28166853/using-reduced-rank-regression-methods-to-identify-dietary-patterns-associated-with-obesity-a-cross-country-study-among-european-and-australian-adolescents
#16
Inge Huybrechts, Sandrine Lioret, Theodora Mouratidou, Marc J Gunter, Yannis Manios, Mathilde Kersting, Frederic Gottrand, Anthony Kafatos, Stefaan De Henauw, Magdalena Cuenca-García, Kurt Widhalm, Marcela Gonzales-Gross, Denes Molnar, Luis A Moreno, Sarah A McNaughton
This study aims to examine repeatability of reduced rank regression (RRR) methods in calculating dietary patterns (DP) and cross-sectional associations with overweight (OW)/obesity across European and Australian samples of adolescents. Data from two cross-sectional surveys in Europe (2006/2007 Healthy Lifestyle in Europe by Nutrition in Adolescence study, including 1954 adolescents, 12-17 years) and Australia (2007 National Children's Nutrition and Physical Activity Survey, including 1498 adolescents, 12-16 years) were used...
February 7, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28166498/real-time-interactive-tree-animation
#17
Ed Quigley, Yue Yu, Jingwei Huang, Winnie Lin, Ronald Fedkiw
We present a novel method for posing and animating botanical tree models interactively in real time. Unlike other state of the art methods which tend to produce trees that are overly flexible, bending and deforming as if they were underwater plants, our approach allows for arbitrarily high stiffness while still maintaining real-time frame rates without spurious artifacts, even on quite large trees with over ten thousand branches. This is accomplished by using an articulated rigid body model with as-stiff-as-desired rotational springs in conjunction with our newly proposed simulation technique, which is motivated both by position based dynamics and the typical O(N) algorithms for articulated rigid bodies...
January 30, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28163356/comparing-three-data-mining-methods-to-predict-kidney-transplant-survival
#18
Leila Shahmoradi, Mostafa Langarizadeh, Gholamreza Pourmand, Ziba Aghsaei Fard, Alireza Borhani
INTRODUCTION: One of the most important complications of post-transplant is rejection. Analyzing survival is one of the areas of medical prognosis and data mining, as an effective approach, has the capacity of analyzing and estimating outcomes in advance through discovering appropriate models among data. The present study aims at comparing the effectiveness of C5.0 algorithms, neural network and C&RTree to predict kidney transplant survival before transplant. METHOD: To detect factors effective in predicting transplant survival, information needs analysis was performed via a researcher-made questionnaire...
October 2016: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28159609/disentangling-the-mechanisms-underlying-infant-fixation-durations-in-scene-perception-a-computational-account
#19
Irati R Saez de Urabain, Antje Nuthmann, Mark H Johnson, Tim J Smith
The goal of this article is to investigate the unexplored mechanisms underlying the development of saccadic control in infancy by determining the generalizability and potential limitations of extending the CRISP theoretical framework and computational model of fixation durations (FDs) in adult scene-viewing to infants. The CRISP model was used to investigate the underlying mechanisms modulating FDs in 6-month-olds by applying the model to empirical eye-movement data gathered from groups of infants and adults during free-viewing of naturalistic and semi-naturalistic videos...
January 31, 2017: Vision Research
https://www.readbyqxmd.com/read/28130154/what-killed-karl-patterson-schmidt-combined-venom-gland-transcriptomic-venomic-and-antivenomic-analysis-of-the-south-african-green-tree-snake-the-boomslang-dispholidus-typus
#20
Davinia Pla, Libia Sanz, Gareth Whiteley, Simon C Wagstaff, Robert A Harrison, Nicholas R Casewell, Juan J Calvete
BACKGROUND: Non-front-fanged colubroid snakes comprise about two-thirds of extant ophidian species. The medical significance of the majority of these snakes is unknown, but at least five species have caused life-threatening or fatal human envenomings. However, the venoms of only a small number of species have been explored. METHODS: A combined venomic and venom gland transcriptomic approach was employed to characterise of venom of Dispholidus typus (boomslang), the snake that caused the tragic death of Professor Karl Patterson Schmidt...
April 2017: Biochimica et Biophysica Acta
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