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https://www.readbyqxmd.com/read/27916945/cytokinins-and-expression-of-sweet-sut-cwinv-and-aap-genes-increase-as-pea-seeds-germinate
#1
Paula E Jameson, Pragatheswari Dhandapani, Ondrej Novak, Jiancheng Song
Transporter genes and cytokinins are key targets for crop improvement. These genes are active during the development of the seed and its establishment as a strong sink. However, during germination, the seed transitions to being a source for the developing root and shoot. To determine if the sucrose transporter (SUT), amino acid permease (AAP), Sugar Will Eventually be Exported Transporter (SWEET), cell wall invertase (CWINV), cytokinin biosynthesis (IPT), activation (LOG) and degradation (CKX) gene family members are involved in both the sink and source activities of seeds, we used RT-qPCR to determine the expression of multiple gene family members, and LC-MS/MS to ascertain endogenous cytokinin levels in germinating Pisum sativum L...
December 1, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27912772/food-systems-transformations-ultra-processed-food-markets-and-the-nutrition-transition-in-asia
#2
Phillip Baker, Sharon Friel
BACKGROUND: Attracted by their high economic growth rates, young and growing populations, and increasingly open markets, transnational food and beverage corporations (TFBCs) are targeting Asian markets with vigour. Simultaneously the consumption of ultra-processed foods high in fat, salt and glycaemic load is increasing in the region. Evidence demonstrates that TFBCs can leverage their market power to shape food systems in ways that alter the availability, price, nutritional quality, desirability and ultimately consumption of such foods...
December 3, 2016: Globalization and Health
https://www.readbyqxmd.com/read/27880012/patterns-of-gene-expression-in-developing-embryos-of-arabidopsis-hybrids
#3
Maria M Alonso-Peral, Marina Trigueros, Bjorg Sherman, Hua Ying, Jennifer M Taylor, W James Peacock, Elizabeth S Dennis
Hybrids between the Arabidopsis ecotypes C24 and Ler have high levels of hybrid vigour, heterosis, in both biomass and seed yield. Heterosis can be detected throughout the development of the plant and in different tissues. We examined developing embryos and seeds of C24/Ler reciprocal hybrids with the aim of detecting the earliest time at which heterotic gene activity occurs. In the transcriptomes of 4 dap (dermatogen to globular) and 6 dap (heart) embryos from both parents and hybrids, 95% of expressed genes were at the Mid Parent Value (MPV) and 95% of the genes with SNPs between C24 and Ler retained the same relative allelic expression levels in the hybrids as existed in the parents...
November 23, 2016: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/27868249/effects-of-supplemental-dietary-vitamin-c-on-quality-of-semen-from-nile-tilapia-oreochromis-niloticus-breeders
#4
Nlaf Sarmento, Eff Martins, D C Costa, W S Silva, C C Mattioli, M R Luz, R K Luz
The objective of this study was to evaluate the effects of vitamin C on growth and quality of semen from Oreochromis niloticus breeders. One hundred and sixty males were fed with different levels of vitamin C (0, 261, 599 and 942 mg/kg diet). The higher weight values were recorded for 599 (166 g) and 942 (175 g) mg of vitamin C/kg diet. Sperm motility, vigour and concentration were higher with 599 and 942 mg of vitamin C/kg diet. The semen volume, gonadosomatic index and plasma protein data from the last week showed a direct relationship with increasing levels of vitamin C...
November 20, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27855780/decoding-gripping-force-based-on-local-field-potentials-recorded-from-subthalamic-nucleus-in-humans
#5
Huiling Tan, Alek Pogosyan, Keyoumars Ashkan, Alexander L Green, Tipu Aziz, Thomas Foltynie, Patricia Limousin, Ludvic Zrinzo, Marwan Hariz, Peter Brown
The basal ganglia are known to be involved in the planning, execution and control of gripping force and movement vigour. Here we aim to define the nature of the basal ganglia control signal for force and to decode gripping force based on local field potential (LFP) activities recorded from the subthalamic nucleus (STN) in patients with deep brain stimulation (DBS) electrodes. We found that STN LFP activities in the gamma (55-90 Hz) and beta (13-30 Hz) bands were most informative about gripping force, and that a first order dynamic linear model with these STN LFP features as inputs can be used to decode the temporal profile of gripping force...
November 18, 2016: ELife
https://www.readbyqxmd.com/read/27855103/hyaluronic-acid-binding-sperm-selection-for-assisted-reproduction-treatment-habselect-study-protocol-for-a-multicentre-randomised-controlled-trial
#6
K D Witt, L Beresford, S Bhattacharya, K Brian, A Coomarasamy, R Hooper, J Kirkman-Brown, Y Khalaf, S E Lewis, A Pacey, S Pavitt, R West, D Miller
INTRODUCTION: The selection of a sperm with good genomic integrity is an important consideration for improving intracytoplasmic sperm injection (ICSI) outcome. Current convention selects sperm by vigour and morphology, but preliminary evidence suggests selection based on hyaluronic acid binding may be beneficial. The aim of the Hyaluronic Acid Binding Sperm Selection (HABSelect) trial is to determine the efficacy of hyaluronic acid (HA)-selection of sperm versus conventionally selected sperm prior to ICSI on live birth rate (LBR)...
October 7, 2016: BMJ Open
https://www.readbyqxmd.com/read/27814494/well-being-and-academic-achievement-in-secondary-school-pupils-the-unique-effects-of-burnout-and-engagement
#7
Irene Cadime, Alexandra Marques Pinto, Sara Lima, Sara Rego, Joana Pereira, Iolanda Ribeiro
The main goal of this study was to examine the relationship among burnout, engagement, well-being, and academic performance in Portuguese secondary school pupils. The existence of gender related differences in these relationships was also investigated. The sample was composed of 489 pupils who attended an academic track at secondary school. Results of multi-group structural equation modelling indicated that higher levels of cynicism towards studies were associated with lower academic achievement. Exhaustion was not uniquely related to the adolescents' academic achievement or well-being...
October 27, 2016: Journal of Adolescence
https://www.readbyqxmd.com/read/27808232/hybrid-vigour-multiple-manners
#8
Jun Lyu
No abstract text is available yet for this article.
November 3, 2016: Nature Plants
https://www.readbyqxmd.com/read/27775028/environmental-hydro-refugia-demonstrated-by-vegetation-vigour-in-the-okavango-delta-botswana
#9
S C Reynolds, C G Marston, H Hassani, G C P King, M R Bennett
Climate shifts at decadal scales can have environmental consequences, and therefore, identifying areas that act as environmental refugia is valuable in understanding future climate variability. Here we illustrate how, given appropriate geohydrology, a rift basin and its catchment can buffer vegetation response to climate signals on decadal time-scales, therefore exerting strong local environmental control. We use time-series data derived from Normalised Difference Vegetation Index (NDVI) residuals that record vegetation vigour, extracted from a decadal span of MODIS images, to demonstrate hydrogeological buffering...
October 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27763785/aromatherapy-improves-work-performance-through-balancing-the-autonomic-nervous-system
#10
Lin Huang, Lluis Capdevila
OBJECTIVE: This study analyzed the efficacy of aromatherapy in improving work performance and reducing workplace stress. SUBJECTS: The initial sample comprised 42 administrative university workers (Mage = 42.21 years, standard deviation = 7.12; 10 male). INTERVENTION: All sessions were performed in a university computer classroom. The participants were randomly assigned into an aromatherapy group (AG) and a control group (CG), and they were invited to participate in a specific session only once...
October 20, 2016: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/27753482/effects-of-lead-exposure-on-sperm-quality-and-reproductive-success-in-an-avian-model
#11
Núria Vallverdú-Coll, François Mougeot, Manuel E Ortiz-Santaliestra, Cristina Castaño, Julián Santiago-Moreno, Rafael Mateo
Lead (Pb) poisoning via ingestion of shot pellets is a frequent cause of death in wild birds and also has a wide range of subclinical effects. Here we report on the sublethal effects Pb exposure has on the breeding performance of red-legged partridges (Alectoris rufa). We studied the effects of Pb exposure on sperm quality, reproductive success, egg properties, laying performance, antioxidant levels, and carotenoid-based coloration. Birds were exposed by oral gavage to one or three No. 6 Pb shot pellets (2...
November 1, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27712865/artificial-macropores-attract-crop-roots-and-enhance-plant-productivity-on-compacted-soils
#12
Tino Colombi, Serge Braun, Thomas Keller, Achim Walter
The structure of compacted soils is characterised by decreased (macro-)porosity, which leads to increased mechanical impedance and decreased fluid transport rates, resulting in reduced root growth and crop productivity. Particularly in soils with high mechanical impedance, macropores can be used by roots as pathways of least resistance. This study investigated how different soil physical states relate to whole plant growth and whether roots grow towards spots with favourable soil physical conditions. Experiments were conducted under controlled and field conditions...
October 3, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27705538/the-adolescent-athlete-a-developmental-approach-to-injury-risk
#13
Damien McKay, Carolyn Broderick, Katharine Steinbeck
With the advent of long-term athlete development programs and early sport specialization, the training of elite athletes now spans the period of adolescence. Adolescence represents a period of physical, psychosocial and cognitive development, but also a time of physical and psychological vulnerability. Changes in skeletal and physiological attributes coincide with an increased risk of sport related injury. A window of vulnerability is shaped by the properties of the musculoskeletal system, the influence of pubertal hormones and the lag time between physical and cognitive development...
November 2016: Pediatric Exercise Science
https://www.readbyqxmd.com/read/27690759/body-dissatisfaction-in-women-s-artistic-gymnastics-a-longitudinal-study-of-psychosocial-indicators
#14
Clara Mockdece Neves, Juliana Fernandes Filgueiras Meireles, Pedro Henrique Berbert de Carvalho, Astrid Schubring, Natalie Barker-Ruchti, Maria Elisa Caputo Ferreira
Body dissatisfaction is prevalent in women's artistic gymnastics (WAG). Cross-sectional research points to social and individual risk factors, however it does not account for potential changes in body dissatisfaction during an athletic season. This study aimed to determine how gymnasts' body dissatisfaction, risk factors for eating disorders, media internalisation, perfectionism and mood state change during pre-competition, competition and post-competition seasons and to identify how these psychosocial indicators impact on body dissatisfaction during the athletic year...
October 3, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27687930/challenging-conventional-wisdom-with-vigour
#15
EDITORIAL
Dan G O'Neill
No abstract text is available yet for this article.
October 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27677274/impact-of-genetic-variation-and-long-term-limited-water-availability-on-the-ecophysiology-of-young-sitka-spruce-picea-sitchensis-bong-carr
#16
Olga M Grant, Conor O'Reilly
Future limited water availability may reduce the potential of tree improvement to increase timber yields. We investigated ecophysiological variation between full-sibling families of Sitka spruce (Picea sitchensis (Bong.) Carr.) growing under contrasting water availability conditions: control (optimal) water availability and limited water availability. One-year-old seedlings of nine improved families plus an unimproved seed lot were grown in pots in a greenhouse and the two water availability treatments imposed via drip irrigation...
September 27, 2016: Tree Physiology
https://www.readbyqxmd.com/read/27652022/decrease-of-dhea-s-concentration-succeeding-a-micro-dose-thumb-exertion-mood-state-determinants-reflect-stress-biomarker-responses
#17
Adam Michael Szlezak, Lotti Tajouri, Siri Lauluten Szlezak, James Keane, Clare Minahan
BACKGROUND: The present study examined the effect of a micro-dose of resistance-exercise on serum DHEA-S, IL-6 and mood-state determinants. Potential relationships between mood and the biomarkers were also studied with the aim of directing research on non-invasive exercise-monitoring methods. METHODS: 30 male participants (20 weightlifting-trained; 10 untrained) were separated into 3 groups of 10: weightlifting experimental (WLEXP); untrained experimental (UTEXP); weightlifting placebo (WLPLA)...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27602522/plant-science-hybrid-vigour-characterized
#18
James A Birchler
No abstract text is available yet for this article.
September 7, 2016: Nature
https://www.readbyqxmd.com/read/27602051/radix-rhizoslide-platform-allowing-high-throughput-digital-image-analysis-of-root-system-expansion
#19
Chantal Le Marié, Norbert Kirchgessner, Patrick Flütsch, Johannes Pfeifer, Achim Walter, Andreas Hund
BACKGROUND: Phenotyping of genotype-by-environment interactions in the root-zone is of major importance for crop improvement as the spatial distribution of a plant's root system is crucial for a plant to access water and nutrient resources of the soil. However, so far it is unclear to what extent genetic variations in root system responses to spatially varying soil resources can be utilized for breeding applications. Among others, one limiting factor is the absence of phenotyping platforms allowing the analysis of such interactions...
2016: Plant Methods
https://www.readbyqxmd.com/read/27574901/a-novel-sleep-optimisation-programme-to-improve-athletes-well-being-and-performance
#20
Emer Van Ryswyk, Richard Weeks, Laura Bandick, Michaela O'Keefe, Andrew Vakulin, Peter Catcheside, Laura Barger, Andrew Potter, Nick Poulos, Jarryd Wallace, Nick A Antic
OBJECTIVES: To improve well-being and performance indicators in a group of Australian Football League (AFL) players via a six-week sleep optimisation programme. DESIGN: Prospective intervention study following observations suggestive of reduced sleep and excessive daytime sleepiness in an AFL group. METHODS: Athletes from the Adelaide Football Club were invited to participate if they had played AFL senior-level football for 1-5 years, or if they had excessive daytime sleepiness (Epworth Sleepiness Scale [ESS] >10), measured via ESS...
August 30, 2016: European Journal of Sport Science
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