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https://www.readbyqxmd.com/read/29222927/diaheliotropic-leaf-movement-enhances-leaf-photosynthetic-capacity-and-photosynthetic-use-efficiency-of-light-and-photosynthetic-nitrogen-via-optimizing-nitrogen-partitioning-among-photosynthetic-components-in-cotton-gossypium-hirsutum-l
#1
Hesheng Yao, Yali Zhang, Xiaoping Yi, Xiangjuan Zhang, Dayong Fan, Wah Soon Chow, Wangfeng Zhang
Phototropic leaf movement of plants is an effective mechanism for adapting to light conditions. Light is the major driver of plant photosynthesis. Leaf N is also an important limiting factor on leaf photosynthetic potential. Cotton (Gossypium hirsutum L.) exhibits diaheliotropic leaf movement. Here, we compared the long-term photosynthetic acclimation of fixed leaves (restrained) and free leaves (allowed free movement) in cotton. The fixed leaves and free leaves were used for the determinations of photosynthetically active radiation, leaf chlorophyll concentration, leaf N content and leaf gas exchange...
December 9, 2017: Plant Biology
https://www.readbyqxmd.com/read/29222523/optimization-of-cotton-variety-registration-criteria-aided-with-a-genotype-by-trait-biplot-analysis
#2
Naiyin Xu, Michel Fok, Jian Li, Xiaoni Yang, Weikai Yan
China is one of the largest cotton producing countries in the world thanks to high yields, on which a variety registration system has mainly focused, so that a lack of quality is nowadays acknowledged as a weak point of the cotton industry in that country. The objective of this study was to check the hypothesis that bias in cultivar selection in favor of yield has been maintained through the application of an imperfect selection index (SI), but that a better outcome is possible. Our demonstration is based on an analysis of the data from ten years of cotton variety trials using genotype-by-trait biplots, implemented both for the cultivar selection index (SI) currently applied in China and for an adjusted selection index (ASI) that more effectively took into account the antagonism between yield and quality traits...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29220164/ambidextrous-chirality-transfer-capability-from-cellulose-tris-phenylcarbamate-to-non-helical-chain-like-luminophores-achiral-solvent-driven-helix-helix-transition-of-oligo-and-polyfluorenes-revealed-by-sign-inversion-of-circularly-polarized-luminescence-cpl
#3
Sibo Guo, Hiroki Kamite, Nozomu Suzuki, Laibing Wang, Asuka Ohkubo, Michiya Fujiki
We investigated whether helicity and/or chirality of cellulose tris(phenylcarbamate) (CTPC) can transfer to non-charged, non-helical oligo- and polyfluorenes (F3, F5, F7, PF6, and PF8, Chart 1) when CTPC was employed as a solution processable homochiral platform of a D-glucose-skeletal polymer. Noticeably, CTPC revealed the solvent-driven, ambidextrous intermolecular helicity/chirality transfer capability to these fluorenes. The chiroptical inversion characteristics of circularly polarized luminescence (CPL) and the corresponding CD spectra were realized by solely choosing a proper achiral solvents and/or achiral cosolvents...
December 8, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29217386/early-worsening-of-diabetic-retinopathy-after-rapid-improvement-of-blood-glucose-control-in-patients-with-diabetes
#4
REVIEW
S Feldman-Billard, É Larger, P Massin
AIM: To review the frequency, importance of and risk factors for "early worsening of diabetic retinopathy" (EWDR) after rapid improvement of blood glucose in patients with diabetes. METHODS: This was a systematic review of key references (PubMed 1980-2016) and the current international recommendations for the above-mentioned topics. RESULTS: EWDR has been described during intensive treatment (IT) in patients with uncontrolled type 1 or 2 diabetes, and after pancreas transplantation or bariatric surgery...
November 11, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/29215075/optimal-pre-plant-irrigation-and-fertilization-can-improve-biomass-accumulation-by-maintaining-the-root-and-leaf-productive-capacity-of-cotton-crop
#5
Zongkui Chen, Hui Ma, Jun Xia, Fei Hou, Xiaojuan Shi, Xianzhe Hao, Abdul Hafeez, Huanyong Han, Honghai Luo
Cotton is a major cash crop grown worldwide primarily for fiber and oil seed. As the most important cultural practices for cotton production, single pre-plant irrigation and basal fertilization for cotton plant growth and yield are well documented, but their coupling effects are poorly understood in arid regions. A 2-year outdoor pot trial was conducted to unravel the effects of pre-plant irrigation and basal fertilization on leaf area, root growth, biomass accumulation, and capacity of leaf area and root in cotton plant...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29214424/itraq-based-comparative-proteomic-analysis-provides-insights-into-somatic-embryogenesis-in-gossypium-hirsutum-l
#6
Hua-Guo Zhu, Wen-Han Cheng, Wen-Gang Tian, Yang-Jun Li, Feng Liu, Fei Xue, Qian-Hao Zhu, Yu-Qiang Sun, Jie Sun
KEY MESSAGE: iTRAQ based proteomic identified key proteins and provided new insights into the molecular mechanisms underlying somatic embryogenesis in cotton. Somatic embryogenesis, which involves cell dedifferentiation and redifferentiation, has been used as a model system for understanding molecular events of plant embryo development in vitro. In this study, we performed comparative proteomics analysis using samples of non-embryogenic callus (NEC), embryogenic callus (EC) and somatic embryo (SE) using the isobaric tags for relative and absolute quantitation (iTRAQ) technology...
December 6, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/29211881/food-and-feed-safety-of-genetically-engineered-food-crops
#7
Bryan Delaney, Richard E Goodman, Greg S Ladics
The first genetically engineered (GE) food crop (tomato) was introduced in 1995, followed by the successful development and commercial release of maize, soybeans, cotton, canola, potatoes, papaya, alfalfa, squash, and sugar beets with specific new genetic traits. Even though the safety of every new GE crop has been evaluated by various regulatory authorities throughout the world prior to its commercial release, the ongoing public debate about the safety of food and feed derived from GE plants has not abated...
December 4, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29209922/altered-brain-morphometry-in-7-year-old-hiv-infected-children-on-early-art
#8
Emmanuel C Nwosu, Frances C Robertson, Martha J Holmes, Mark F Cotton, Els Dobbels, Francesca Little, Barbara Laughton, Andre van der Kouwe, Ernesta M Meintjes
Even with the increased roll out of combination antiretroviral therapy (cART), paediatric HIV infection is associated with neurodevelopmental delays and neurocognitive deficits that may be accompanied by alterations in brain structure. Few neuroimaging studies have been done in children initiating ART before 2 years of age, and even fewer in children within the critical stage of brain development between 5 and 11 years. We hypothesized that early ART would limit HIV-related brain morphometric deficits at age 7...
December 5, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29209354/how-glucosinolates-affect-generalist-lepidopteran-larvae-growth-development-and-glucosinolate-metabolism
#9
Verena Jeschke, Emily E Kearney, Katharina Schramm, Grit Kunert, Anton Shekhov, Jonathan Gershenzon, Daniel G Vassão
Multiple lepidopteran larvae feed successfully on plants containing glucosinolates despite the diverse array of toxic and deterrent breakdown products, such as isothiocyanates (ITCs), formed upon plant damage. While much is known about how specialist lepidopterans metabolize and tolerate glucosinolates, there is little information about the metabolic fate of these plant defense compounds in specialized herbivores. Employing 13C- and 14C-labeled 4-methylsulfinylbutyl glucosinolate (glucoraphanin), we identified and quantified the major detoxification products of glucosinolates and ITCs in selected specialized and generalist larvae...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29209344/qtl-analysis-of-transgressive-nematode-resistance-in-tetraploid-cotton-reveals-complex-interactions-in-chromosome-11-regions
#10
Congli Wang, Mauricio Ulloa, Tra T Duong, Philip A Roberts
Transgressive segregation in cotton (Gossypium spp.) provides an important approach to enhance resistance to the major pest root-knot nematode (RKN) Meloidogyne incognita. Our previous studies reported transgressive RKN resistance in an intraspecific Gossypium hirsutum resistant NemX × susceptible SJ-2 recombinant inbred line (RIL) population and early generations of interspecific cross Gossypium barbadense (susceptible Pima S-7) × G. hirsutum (NemX). However, the underlying functional mechanisms for this phenomenon are not known...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29209040/chitosan-coated-cotton-cloth-supported-zero-valent-nanoparticles-simple-but-economically-viable-efficient-and-easily-retrievable-catalysts
#11
Fayaz Ali, Sher Bahadar Khan, Tahseen Kamal, Khalid A Alamry, Abdullah M Asiri, Tariq R A Sobahi
A simple, economically viable and fast method has been utilized for the preparation of highly active metal nanoparticles (MNPs) in coating layer of chitosan (CH) over cellulose microfibers of cotton cloth (CC). 2 wt% of CH solution was used for the coating of CC strips (CC-CH), and were kept in aqueous solutions of metal salts to adsorb metal ions. The CC-CH templated with metal ions were then treated with aqueous solution of NaBH4 to reduce the metal ions into zero-valent metal nanoparticles (M0). The CC-CH strips loaded with M0 were characterized by XRD, XPS, ATR-FTIR, FE-SEM and TGA, which indicates the successful synthesis of MNPs by this method...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29207573/the-effects-of-industrial-protective-gloves-and-hand-skin-temperatures-on-hand-grip-strength-and-discomfort-rating
#12
Mohamed Z Ramadan
Daily working activities and functions require a high contribution of hand and forearm muscles in executing grip force. To study the effects of wearing different gloves on grip strength, under a variety of hand skin temperatures, an assessment of the maximum grip strength was performed with 32 healthy male workers with a mean age (standard deviation) of 30.44 (5.35) years wearing five industrial gloves at three hand skin temperatures. Their ages and anthropometric characteristics including body mass index (BMI), hand length, hand width, hand depth, hand palm, and wrist circumference were measured...
December 4, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29206747/safety-and-efficacy-of-atazanavir-powder-and-ritonavir-in-hiv-1-infected-infants-and-children-aged-from-3-months-to-11-years-the-prince-2-study
#13
Mark F Cotton, Afaaf Liberty, Indiana Torres-Escobar, Maria Isabel Gonzalez-Tome, Jurgen Lissens, Luna Zaru, Isabelle Klauck, Daniela Cambilargiu, Cheryl Pikora, Todd A Correll
BACKGROUND: Novel antiretroviral formulations that are palatable, safe, and effective are needed for infants and children. METHODS: PRINCE-2 is an ongoing clinical trial assessing safety, efficacy, and palatability of once-daily atazanavir powder formulation boosted with ritonavir (ATV+RTV) plus optimized dual NRTI therapy in ARV-naïve/experienced children with screening HIV-1 RNA ≥1000 copies/mL. Children aged 3 months to <11 years received ATV+RTV by 5 baseline weight bands: 5 to <10kg=150/80mg; 5 to <10kg=200/80mg; 10 to <15kg=200/80mg; 15 to <25kg=250/80mg; and 25 to <35kg=300/100mg...
December 4, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29206184/high-density-linkage-map-construction-and-mapping-of-salt-tolerant-qtls-at-seedling-stage-in-upland-cotton-using-genotyping-by-sequencing-gbs
#14
Latyr Diouf, Zhaoe Pan, Shou-Pu He, Wen-Fang Gong, Yin Hua Jia, Richard Odongo Magwanga, Kimbembe Romesh Eric Romy, Harun Or Rashid, Joy Nyangasi Kirungu, Xiongming Du
Over 6% of agricultural land is affected by salinity. It is becoming obligatory to use saline soils, so growing salt-tolerant plants is a priority. To gain an understanding of the genetic basis of upland cotton tolerance to salinity at seedling stage, an intra-specific cross was developed from CCRI35, tolerant to salinity, as female with Nan Dan (NH), sensitive to salinity, as the male. A genetic map of 5178 SNP markers was developed from 277 F2:3 populations. The map spanned 4768.098 cM, with an average distance of 0...
December 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29206160/comparative-analysis-of-cotton-small-rnas-and-their-target-genes-in-response-to-salt-stress
#15
Zujun Yin, Xiulan Han, Yan Li, Junjuan Wang, Delong Wang, Shuai Wang, Xiaoqiong Fu, Wuwei Ye
Small RNAs play an important role in regulating plant responses to abiotic stress. Depending on the method of salt application, whether sudden or gradual, plants may experience either salt shock or salt stress, respectively. In this study, small RNA expression in response to salt shock and long-term salt stress in parallel experiments was described. Cotton small RNA libraries were constructed and sequenced under normal conditions, as well as sudden and gradual salt application. A total of 225 cotton microRNAs (miRNAs) were identified and of these 24 were novel miRNAs...
December 5, 2017: Genes
https://www.readbyqxmd.com/read/29205091/polysomnographic-oxygen-saturation-findings-for-preteen-children-versus-adolescents
#16
Nathan D Wiebracht, Shan He, Colin Cotton, Jareen Meinzen-Derr, Gordon Shott, David F Smith, Keith B McConnell, Stacey L Ishman
Objective Home oximetry is commonly used to screen for obstructive sleep apnea (OSA) in children; however, normal oxygen desaturation levels by disease severity are not well known. It was our objective to determine if oxygen saturation levels differed by OSA severity category in children and if these differences were similar for preteen children and adolescents. Study Design Retrospective case series of children undergoing polysomnography from September 2011 to July 2015. Setting Tertiary pediatric hospital...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29204644/topical-application-of-mizoribine-suppresses-cd4-t-cell-mediated-pathogenesis-in-murine-dry-eye
#17
Xiaobo Zhang, Xiang Lin, Zhaolin Liu, Yang Wu, Yiran Yang, Weijie Ouyang, Wei Li, Zuguo Liu
Purpose: We investigate the effect of topical application of mizoribine (MZR) eye drops on CD4+ T-cell-mediated immunity and epithelial damage in ocular surface of dry eye disease (DED). Methods: Topical application of MZR or vehicle eye drops was performed in mice subjected to desiccating stress (DS). The phenol red cotton test was used to measure tear production, and Oregon-green-dextran (OGD) staining was performed to assess corneal epithelial barrier function...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29200079/external-validation-of-a-smartphone-app-model-to-predict-the-need-for-massive-transfusion-using-five-different-definitions
#18
E I Hodgman, M W Cripps, M J Mina, E M Bulger, M A Schreiber, K J Brasel, M J Cohen, P C Muskat, J G Myers, L H Alarcon, M H Rahbar, J B Holcomb, B A Cotton, E E Fox, D J Del Junco, C E Wade, H A Phelan
INTRODUCTION: Previously, a model to predict massive transfusion protocol (activation) was derived using a single-institution dataset. The PROMMTT database was used to externally validate this model's ability to predict both massive transfusion protocol (MTP) activation and massive transfusion (MT) administration using multiple MT definitions. METHODS: The app model was used to calculate the predicted probability of massive transfusion protocol activation or massive transfusion delivery...
December 1, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29198647/isolation-functional-characterization-of-allatotropin-receptor-from-the-cotton-bollworm-helicoverpa-armigera
#19
Fang Zhang, Jun Wang, Kiran Thakur, Fei Hu, Jian-Guo Zhang, Xing-Fu Jiang, Shi-Hen An, Hongbo Jiang, Li Jiang, Zhao-Jun Wei
Insect allatotropin (AT) plays multi-functions including regulation of juvenile hormone synthesis, growth, development and reproduction. In the present study, the full-length cDNA encoding the AT receptor was cloned from the brain of Helicoverpa armigera (Helar-ATR). The ORF of Helar-ATR exhibited the characteristic seven transmembrane domains of the G protein-coupled receptor (GPCR) and was close to the ATR of Manduca sexta in the phylogenetic tree. The Helar-ATR expressed in vertebrate cell lines can be activated by Helar-AT and each Helar-ATL in a dose-responsive manner, in the following order: Helar-ATLI>Helar-ATLII>Helar-AT>Helar-ATLIII...
November 30, 2017: Peptides
https://www.readbyqxmd.com/read/29197932/evaluation-of-the-anti-inflammatory-effect-of-an-anti-platelet-agent-crinumin-on-carrageenan-induced-paw-oedema-and-granuloma-tissue-formation-in-rats
#20
Uddipak Rai, Amrita Rawal, Sanjay Singh
The present study was designed to explore the anti-inflammatory activity of an anti-platelet agent crinumin, by various in vitro and in vivo inflammation models. Firstly, crinumin protein was purified through cation exchange chromatography; then, in vitro activity was estimated by albumin denaturation assay and HRBC membrane stabilization assay. Carrageenan-induced paw oedema and cotton pellet-induced granuloma models were used for in vivo anti-inflammatory activity assessment in rats. In both models, rats were pre-treated for 7 days with crinumin (25-50 µg/ml) and diclofenac sodium (50 µg/ml)...
December 2, 2017: Inflammopharmacology
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