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https://www.readbyqxmd.com/read/27916524/gain-and-loss-of-floral-scent-production-through-changes-in-structural-genes-during-pollinator-mediated-speciation
#1
Avichai Amrad, Michel Moser, Therese Mandel, Michel de Vries, Robert C Schuurink, Loreta Freitas, Cris Kuhlemeier
The interactions of plants with their pollinators are thought to be a driving force in the evolution of angiosperms. Adaptation to a new pollinator involves coordinated changes in multiple floral traits controlled by multiple genes. Surprisingly, such complex genetic shifts have happened numerous times during evolution. Here we report on the genetic basis of the changes in one such trait, floral scent emission, in the genus Petunia (Solanaceae). The increase in the quantity and complexity of the volatiles during the shift from bee to hawkmoth pollination was due to de novo expression of the genes encoding benzoic acid/salicylic acid carboxyl methyltransferase (BSMT) and benzoyl-CoA:benzylalcohol/2-phenylethanol benzoyltransferase (BPBT) together with moderately increased transcript levels for most enzymes of the phenylpropanoid/benzenoid pathway...
November 22, 2016: Current Biology: CB
https://www.readbyqxmd.com/read/27867253/drosophila-ezoana-uses-an-hour-glass-or-highly-damped-circadian-clock-for-measuring-night-length-and-inducing-diapause
#2
Koustubh M Vaze, Charlotte Helfrich-Förster
Insects inhabiting the temperate zones measure seasonal changes in day or night length to enter the overwintering diapause. Diapause induction occurs after the duration of the night exceeds a critical night length (CNL). Our understanding of the time measurement mechanisms is continuously evolving subsequent to Bünning's proposal that circadian systems play the clock role in photoperiodic time measurement (Bünning, 1936). Initially, the photoperiodic clocks were considered to be either based on circadian oscillators or on simple hour-glasses, depending on 'positive' or 'negative' responses in Nanda-Hamner and Bünsow experiments (Nanda & Hammer, 1958; Bünsow, 1960)...
December 2016: Physiological Entomology
https://www.readbyqxmd.com/read/27789332/granulocyte-colony-stimulating-factor-receptor-signaling-in-severe-congenital-neutropenia-chronic-neutrophilic-leukemia-and-related-malignancies
#3
REVIEW
Pankaj Dwivedi, Kenneth D Greis
Granulocyte colony-stimulating factor is a hematopoietic cytokine that stimulates neutrophil production and hematopoietic stem cell mobilization by initiating the dimerization of homodimeric granulocyte colony-stimulating factor receptor. Different mutations of CSF3R have been linked to a unique spectrum of myeloid disorders and related malignancies. Myeloid disorders caused by the CSF3R mutations include severe congenital neutropenia, chronic neutrophilic leukemia, and atypical chronic myeloid leukemia. In this review, we provide an analysis of granulocyte colony-stimulating factor receptor, various mutations, and their roles in the severe congenital neutropenia, chronic neutrophilic leukemia, and malignant transformation, as well as the clinical implications and some perspective on approaches that could expand our knowledge with respect to the normal signaling mechanisms and those associated with mutations in the receptor...
October 24, 2016: Experimental Hematology
https://www.readbyqxmd.com/read/27766508/polyclonal-antibody-development-against-purified-cc-nbs-lrr-like-protein-fragment-from-mature-lageneria-siceraria-seeds-and-immunolocalization
#4
Neha Kumari, Rajesh Kumar, Vandana Mishra, Savita Yadav
CC-NBS-LRR (CNL) plant proteins are related with highly conserved family of disease resistance protein distinguished by a coiled-coil domain, which plays an important role in innate immunity. The present study reports the purification and identification of CNL like protein fragment (CNL-LPF) by two step chromatography and matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF/MS), respectively. Furthermore, current study also illustrated the development of polyclonal antibody against purified CNL-LPF, which was used for immunolocalization of CNL-LPF in cytoplasm of cotyledon, using Fluorescence microscopy and Transmission electron microscopy...
October 20, 2016: Protein Journal
https://www.readbyqxmd.com/read/27665503/screening-for-dna-adducts-in-ovarian-follicles-exposed-to-benzo-a-pyrene-and-cigarette-smoke-condensate-using-liquid-chromatography-tandem-mass-spectrometry
#5
Chunhe Yao, Warren G Foster, Jean C Sadeu, Shabana Siddique, Jiping Zhu, Yong-Lai Feng
A rapid mass spectrometric method was applied to non-targeted screening of DNA adducts in follicular cells (granulosa cells and theca cells) from isolated ovarian follicles that were exposed in-vitro to benzo[a]pyrene (B[a]P) and cigarette smoke condensate (CSC) for 13days of culture. The method employed a constant neutral loss (CNL) scan to identify chromatographic peaks associated to a neutral loss of deoxyribose moiety of DNA nucleosides. These peaks were subsequently analyzed by a product ion scan in tandem mass spectrometry to elucidate structures of DNA adducts...
September 21, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27645372/impact-of-the-front-of-pack-5-colour-nutrition-label-5-cnl-on-the-nutritional-quality-of-purchases-an-experimental-study
#6
Chantal Julia, Olivier Blanchet, Caroline Méjean, Sandrine Péneau, Pauline Ducrot, Benjamin Allès, Léopold K Fezeu, Mathilde Touvier, Emmanuelle Kesse-Guyot, Eric Singler, Serge Hercberg
BACKGROUND: Front-of-pack (FOP) nutrition labelling has received growing attention from public health authorities, as a tool to promote healthier diets in the population. Recently, the French Health law introduced the principle of implementing a FOP nutrition labelling system. A scientific proposal has put forward the 5-Colour Nutrition Label (5-CNL), a five-category colour-coded summary system supported by research suggesting that it is well perceived and understood in the population...
September 20, 2016: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/27587251/-chronic-neutrophilic-leukemia-complicated-with-multiple-myeloma-two-cases-report-and-literature-review
#7
B Jiang, J Y Qi, Q H Li, Y Xu, M Y Sun, W W Zheng, F Chen, L G Qiu
OBJECTIVE: To explored the diagnosis and treatment of chronic neutrophilic leukemia (CNL) complicated with multiple myeloma (MM). METHODS: The clinical features and molecular biological characteristics of 2 patients with CNL complicated with MM were summarized, and the diagnosis and treatment of the patients were retrospectively reviewed. RESULTS: The diagnosis of CNL complicated with MM was established in 2 cases. Case 1 had CSF3R mutation (P733T), but CSF3R-exon 14 mutation and SETBP1 mutation were all negative...
August 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/27556634/concordance-of-copy-number-loss-and-down-regulation-of-tumor-suppressor-genes-a-pan-cancer-study
#8
Min Zhao, Zhongming Zhao
BACKGROUND: Tumor suppressor genes (TSGs) encode the guardian molecules to control cell growth. The genomic alteration of TSGs may cause tumorigenesis and promote cancer progression. So far, investigators have mainly studied the functional effects of somatic single nucleotide variants in TSGs. Copy number variation (CNV) is another important form of genetic variation, and is often involved in cancer biology and drug treatment, but studies of CNV in TSGs are less represented in literature...
2016: BMC Genomics
https://www.readbyqxmd.com/read/27509697/the-imperative-integrating-evidence-based-practice-into-the-clinical-nurse-leader-cnl-role
#9
Lynette M Gibson
No abstract text is available yet for this article.
July 2016: South Carolina Nurse: the Official Publication of the South Carolina Nurses Association
https://www.readbyqxmd.com/read/27442903/diffusion-of-a-nurse-led-healthcare-innovation-describing-certified-clinical-nurse-leader-integration-into-care-delivery
#10
Miriam Bender, Marjory Williams, Wei Su
BACKGROUND: The Clinical Nurse Leader™ (CNL) initiative is in its 2nd decade. Despite a growing theoretical and empirical body of CNL knowledge, little is known about CNLs themselves or where and how their competencies are being integrated into care delivery across the country. OBJECTIVE: The aim of this study was to describe certified CNL characteristics and roles as part of a larger study validating a model for CNL practice. METHODS: This study used a descriptive analysis of survey data from a national sample of certified CNLs...
July 2016: Journal of Nursing Administration
https://www.readbyqxmd.com/read/27408367/-unusual-cause-of-tophi-with-renal-thrombotic-microangiopathy
#11
Kamal Kant Sahu, Arjun Datt Law, Ganesh Kumar, Varun Dhir, Shano Naseem, Ritambhra Nada, Subhash Chander Varma, Pankaj Malhotra
Chronic neutrophilic leukemia (CNL) is a rare entity amongst myeloproliferative neoplasms (MPNs). The classical presentation of CNL is with splenomegaly, mature neutrophilic leucocytosis and hyperuricemia. We herein report a case who presented with symptoms of acute gouty arthritis. Physical examination showed typical red, tender tophi in the right hand, right foot and both pinnae suggesting an acute episode of gout. During evaluation, moderate splenomegaly, mature neutrophilia, hyperuricemia and sub-nephrotic range range proteinuria were noted...
June 2016: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/27348446/tracking-ancestral-lineages-and-recent-expansions-of-nbs-lrr-genes-in-angiosperms
#12
Zhu-Qing Shao, Bin Wang, Jian-Qun Chen
Nucleotide-Binding Site-Leucine-Rich Repeat (NBS-LRR) genes are the largest plant disease resistance (R) gene family, accounting for ∼80% of more than 140 cloned R genes. Recently, we systematically investigated NBS-LRR genes in 22 angiosperm genomes. By performing phylogenetic analysis of these genes in major angiosperm clades separately and as a whole, we gained strong evidence supporting that angiosperm NBS-LRR genes are derived from 3 anciently separated NBS-LRR classes: RPW8-NBS-LRR (RNL), TIR-NBS-LRR (TNL) and CC-NBS-LRR (CNL)...
July 2, 2016: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/27322033/the-5-cnl-front-of-pack-nutrition-label-appears-an-effective-tool-to-achieve-food-substitutions-towards-healthier-diets-across-dietary-profiles
#13
Chantal Julia, Caroline Méjean, Sandrine Péneau, Camille Buscail, Benjamin Alles, Léopold Fézeu, Mathilde Touvier, Serge Hercberg, Emmanuelle Kesse-Guyot
BACKGROUND: Front-of-pack (FOP) nutrition labels are considered helpful tools to help consumers making healthier food choices, thus improving their diet. In France, the implementation of a FOP nutrition label-the 5-Colour Nutrition Label (5-CNL)-is currently under consideration. Our objective was to investigate dietary profiles in a French adult population using the 5-CNL, and to assess its potential impact in improving the diet through substitution of foods. METHODS AND FINDINGS: Subjects included in the NutriNet-Santé cohort, who had completed three 24-h dietary records were included in this cross-sectional analysis...
2016: PloS One
https://www.readbyqxmd.com/read/27285709/effects-of-recombinant-bovine-somatotropin-administration-at-breeding-on-cow-conceptus-and-subsequent-offspring-performance-of-beef-cattle
#14
V R G Mercadante, P L P Fontes, F M Ciriaco, D D Henry, P Moriel, A D Ealy, S E Johnson, N DiLorenzo, G C Lamb
The effects of administration of recombinant bovine ST (bST) on plasma hormone concentrations of cows, conceptus development, and postnatal calf performance were examined. Lactating beef cows ( = 190) were exposed to a fixed-time AI (TAI) protocol from d -10 to 0 (TAI on d 0). Cows were blocked by breed and stratified by days postpartum and then randomly assigned to receive, subcutaneously 1) 2 injections of saline (1 mL of 0.9% saline), 1 on d 0 at TAI and a second injection on d 14 (CTRL; = 53); 2) an injection of 325 mg of bST on d 0 and a saline injection on d 14 (bST0; = 48); 3) a saline injection on d 0 and an injection of 325 mg of bST on d 14 (bST14; = 49); or 4) 2 injections of 325 mg of bST, 1 on d 0 and a second injection on d 14 (bST0+14; = 40)...
May 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27271212/cell-death-triggering-and-effector-recognition-by-sw-5-sd-cnl-proteins-from-resistant-and-susceptible-tomato-isolines-to-tomato-spotted-wilt-virus
#15
Athos Silva De Oliveira, Ivo Koolhaas, Leonardo Silva Boiteux, Octav F Caldararu, Andrei-Jose Petrescu, Renato Oliveira Resende, Richard Kormelink
Only a limited number of dominant resistance genes acting against plant viruses have been cloned, and further functional studies of these have been almost entirely limited to the resistance genes Rx against Potato virus X (PVX) and N against Tobacco mosaic virus (TMV). Recently, the cell-to-cell movement protein (NSM ) of Tomato spotted wilt virus (TSWV) has been identified as the avirulence determinant (Avr) of Sw-5b-mediated resistance, a dominant resistance gene which belongs to the class of SD-CC-NB-LRR (Solanaceae domain-coiled coil-nucleotide-binding-leucine-rich repeat, SD-CNL) resistance genes...
December 2016: Molecular Plant Pathology
https://www.readbyqxmd.com/read/27168720/diversity-and-evolution-of-disease-resistance-genes-in-barley-hordeum-vulgare-l
#16
Ethan J Andersen, Shaukat Ali, R Neil Reese, Yang Yen, Surendra Neupane, Madhav P Nepal
Plant disease resistance genes (R-genes) play a critical role in the defense response to pathogens. Barley is one of the most important cereal crops, having a genome recently made available, for which the diversity and evolution of R-genes are not well understood. The main objectives of this research were to conduct a genome-wide identification of barley Coiled-coil, Nucleotide-binding site, Leucine-rich repeat (CNL) genes and elucidate their evolutionary history. We employed a Hidden Markov Model using 52 Arabidopsis thaliana CNL reference sequences and analyzed for phylogenetic relationships, structural variation, and gene clustering...
2016: Evolutionary Bioinformatics Online
https://www.readbyqxmd.com/read/27152986/clinical-nurse-leader-integrated-care-delivery-to-improve-care-quality-factors-influencing-perceived-success
#17
Miriam Bender, Marjory Williams, Wei Su, Lisle Hites
PURPOSE: Clinical nurse leader(TM) (CNL)-integrated care delivery is a new model for organizing master's-level nursing clinical leadership at the microsystem level. While there is growing evidence of improved patient care quality and safety outcomes associated with CNL practice, organizational and implementation characteristics that influence CNL success are not well characterized. The purpose of this study was to identify organization and implementation factors associated with perceived success of CNL integration into microsystem care delivery models...
July 2016: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/27110510/in-silico-study-to-develop-a-lectin-like-protein-from-mushroom-agaricus-bisporus-for-pharmaceutical-application
#18
Wangsa Tirta Ismaya, Yunita, Sophi Damayanti, Caroline Wijaya, Raymond R Tjandrawinata, Debbie Sofie Retnoningrum, Heni Rachmawati
A lectin-like protein of unknown function designated as LSMT was recently discovered in the edible mushroom Agaricus bisporus. The protein shares high structural similarity to HA-33 from Clostridium botulinum (HA33) and Ricin-B-like lectin from the mushroom Clitocybe nebularis (CNL), which have been developed as drug carrier and anti-cancer, respectively. These homologous proteins display the ability to penetrate the intestinal epithelial cell monolayer, and are beneficial for oral administration. As the characteristics of LSMT are unknown, a structural study in silico was performed to assess its potential pharmaceutical application...
January 2016: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/27074882/electrocatalytic-performances-of-g-c3n4-lanio3-composite-as-bi-functional-catalysts-for-lithium-oxygen-batteries
#19
Yixin Wu, Taohuan Wang, Yidie Zhang, Sen Xin, Xiaojun He, Dawei Zhang, Jianglan Shui
A low cost and non-precious metal composite material g-C3N4-LaNiO3 (CNL) was synthesized as a bifunctional electrocatalyst for the air electrode of lithium-oxygen (Li-O2) batteries. The composition strategy changed the electron structure of LaNiO3 and g-C3N4, ensures high Ni(3+)/Ni(2+) ratio and more absorbed hydroxyl on the surface of CNL that can promote the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). The composite catalyst presents higher activities than the individual components g-C3N4 and LaNiO3 for both ORR and OER...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27060548/a-novel-immune-tolerable-and-permeable-lectin-like-protein-from-mushroom-agaricus-bisporus
#20
Wangsa T Ismaya, Yunita, Alida Efthyani, Xuelei Lai, Debbie S Retnoningrum, Heni Rachmawati, Bauke W Dijkstra, Raymond R Tjandrawinata
A lectin like protein designated as LSMT is recently discovered in Agaricus bisporus. The protein adopts very similar structure to Ricin-B like lectin from Clitocybe nebularis (CNL) and HA-33 from Clostridium botulinum (HA-33), which both recognize sugar molecules that decorate the surface of the epithelial cells of the intestine. A preliminary study in silico pointed out potential capability of LSMT to perform such biological activity. Following that hypothesis, we demonstrated that LSMT is indeed capable of penetrating out from a dialysis tube of the mice intestine origin...
May 13, 2016: Biochemical and Biophysical Research Communications
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