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https://www.readbyqxmd.com/read/28215019/goose-management-in-scotland-an-overview
#1
Ian Bainbridge
This paper reviews the changing status of goose populations in Scotland since the 1940s, and the changing policies and management activities employed over that time. The size of all goose populations has risen since the 1940s due to protection measures, changes in agriculture and levels of shooting, in the UK and elsewhere. The development of goose policies in response to public interest and pressures is described. Some changes in goose populations since 2000 can be linked to this policy development. Policy is now split between protective measures for some species and adaptive management approaches encompassing control measures for others...
March 2017: Ambio
https://www.readbyqxmd.com/read/28177802/plant-growth-promotion-properties-of-bacterial-strains-isolated-from-the-rhizosphere-of-the-jerusalem-artichoke-helianthus-tuberosus-l-adapted-to-saline-alkaline-soils-and-their-effect-on-wheat-growth
#2
Xiaolin Liu, Xiangyue Li, Yan Li, Runzhi Li, Zhihong Xie
The Jerusalem artichoke (JA; Helianthus tuberosus), known to be tolerant to saline-alkaline soil conditions, has been cultivated for many years in the Yellow River delta, Shandong Province coastal zone, in China. The aim of our study was to isolate nitrogen-fixing bacteria colonizing the rhizosphere of JA and to characterize other plant growth promotion properties. The ultimate goal was to identify isolates that could be used as inoculants benefiting an economic crop, in particular for improving wheat growth production in the Yellow River delta...
November 14, 2016: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28167042/effects-of-tungsten-on-uptake-transport-and-subcellular-distribution-of-molybdenum-in-oilseed-rape-at-two-different-molybdenum-levels
#3
Shiyu Qin, Xuecheng Sun, Chengxiao Hu, Qiling Tan, Xiaohu Zhao, Shoujun Xu
Due to the similarities of molybdenum (Mo) with tungsten (W) in the physical structure and chemical properties, studies involving the two elements have mainly examined their competitive relationships. The objectives of this study were to assess the effects of equimolar W on Mo accumulation, transport and subcellular distribution in oilseed rape at two Mo levels with four treatments: Mo1 (1μmol/L Mo, Low Mo), Mo1+W1 (1μmol/L Mo+1μmol/LW, Low Mo with Low W), Mo200 (200μmol/L Mo, High Mo) and Mo200+W200 (200μmol/L Mo+200μmol/L Mo, High Mo with high W)...
March 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28156131/variations-in-several-morphological-characteristics-and-cd-pb-accumulation-capacities-among-different-ecotypes-of-torpedograss-responding-to-cd-pb-stresses
#4
Guijuan Gao, Xiaolong Zeng, Zhidan Li, Aikui Chen, Zhongyi Yang
Torpedograss (Panicum repens) has been recognized as a useful plant species for phytoremediation of water-level-fluctuation zones which is a worldwide challenge. In this study, 10 ecotypes collected from tropical zone and flooded habitats (Group-A) and subtropical zone and drought habitats (Group-B) were used to clarify their responses to Cd-Pb stresses and effects of long-term adaptation on their morphological features and Cd-Pb accumulation capacities. Branch capacity, shoot and root biomasses of Group-A under control were smaller than those of Group-B, while the opposite results were observed under Cd-Pb stresses...
February 3, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28151431/characterisation-of-noise-and-sharpness-of-images-from-four-digital-breast-tomosynthesis-systems-for-simulation-of-images-for-virtual-clinical-trials
#5
Alistair Mackenzie, Nicholas Marshall, Andria Hadjipanteli, David Dance, Hilde Bosmans, Kenneth Young
In-depth evaluation of the noise and sharpness characteristics of FujiFilm Innovality, GE SenoClaire, Hologic Selenia Dimensions and Siemens Inspiration digital breast tomosynthesis (DBT) systems was performed with the intention of improving image simulation for virtual clinical trials. Noise power spectra (NPS) and modulation transfer function curves (MTF) were measured for planar modes and for the first and central projections for DBT modes. In DBT mode, the x-ray beam was blocked for the projections before the central projection in order to remove the influence of lag and ghosting from the previous images...
February 2, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28140388/de-novo-transcriptome-assemblies-of-four-accessions-of-the-metal-hyperaccumulator-plant-noccaea-caerulescens
#6
Daniel Blande, Pauliina Halimaa, Arja I Tervahauta, Mark G M Aarts, Sirpa O Kärenlampi
Noccaea caerulescens of the Brassicaceae family has become the key model plant among the metal hyperaccumulator plants. Populations/accessions of N. caerulescens from geographic locations with different soil metal concentrations differ in their ability to hyperaccumulate and hypertolerate metals. Comparison of transcriptomes in several accessions provides candidates for detailed exploration of the mechanisms of metal accumulation and tolerance and local adaptation. This can have implications in the development of plants for phytoremediation and improved mineral nutrition...
January 31, 2017: Scientific Data
https://www.readbyqxmd.com/read/28116587/preparing-for-disaster-a-cross-sectional-study-of-social-connection-and-gun-violence
#7
Carley Riley, Brita Roy, Nurit Harari, Anita Vashi, Pina Violano, Ann Greene, Georgina Lucas, Jerry Smart, Teresa Hines, Stacy Spell, Sharon Taylor, Barbara Tinney, Maurice Williams, Emily A Wang
Living in communities with persistent gun violence is associated with negative social, behavioral, and health outcomes, analogous to those of a natural disaster. Taking a disaster-preparedness approach may identify targets for community-based action to respond to on-going gun violence. We assessed the relevance of adapting a disaster-preparedness approach to gun violence and, specifically, the relationship between perceived collective efficacy, its subscales of social cohesion and informal social control, and exposure to gun violence...
January 23, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28110268/metabolic-and-physiological-adjustment-of-suaeda-maritima-to-combined-salinity-and-hypoxia
#8
Jan H Behr, Alain Bouchereau, Solenne Berardocco, Charlotte E Seal, Timothy J Flowers, Christian Zörb
BACKGROUND AND AIMS: Suaeda maritima is a halophyte commonly found on coastal wetlands in the intertidal zone. Due to its habitat S. maritima has evolved tolerance to high salt concentrations and hypoxic conditions in the soil caused by periodic flooding. In the present work, the adaptive mechanisms of S. maritima to salinity combined with hypoxia were investigated on a physiological and metabolic level. METHODS: To compare the adaptive mechanisms to deficient, optimal and stressful salt concentrations, S...
January 20, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28107426/identification-of-micrornas-in-response-to-drought-in-common-wild-rice-oryza-rufipogon-griff-shoots-and-roots
#9
Jing-Wen Zhang, Yan Long, Man-de Xue, Xing-Guo Xiao, Xin-Wu Pei
BACKGROUND: Drought is the most important factor that limits rice production in drought-prone environments. Plant microRNAs (miRNAs) are involved in biotic and abiotic stress responses. Common wild rice (Oryza rufipogon Griff.) contains abundant drought-resistant genes, which provide an opportunity to explore these excellent resources as contributors to improve rice resistance, productivity, and quality. RESULTS: In this study, we constructed four small RNA libraries, called CL and CR from PEG6000-free samples and DL and DR from PEG6000-treated samples, where 'R' indicates the root tissue and 'L' indicates the shoot tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28106309/transposable-elements-tes-contribute-to-stress-related-long-intergenic-noncoding-rnas-in-plants
#10
Dong Wang, Zhipeng Qu, Lan Yang, Qingzhu Zhang, Zhi-Hong Liu, Trung Do, David L Adelson, Zhen-Yu Wang, Iain Searle, Jian-Kang Zhu
Noncoding RNAs have been extensively described in plant and animal transcriptomes by using high-throughput sequencing technology. Of these non-coding RNAs, a growing number of long intergenic noncoding RNAs (lincRNAs) have been described in multicellular organisms, however the origins and functions of many lincRNAs remain to be explored. In many eukaryotic genomes, transposable elements (TEs) are widely distributed and often account for large fractions of plant and animal genomes yet the contribution of TEs to lincRNAs is largely unknown...
January 20, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28104719/molecular-regulation-of-temperature-dependent-floral-induction-in-tulipa-gesneriana
#11
Hendrika Leeggangers, Harm Nijveen, Judit Nadal Bigas, Henk W M Hilhorst, Richard G H Immink
The vegetative to reproductive phase change in tulip is promoted by increasing temperatures during spring. The warm winters of recent years interfere with this process and are calling for new adapted cultivars. A better understanding of the underlying molecular mechanisms would be of help, but unlike the model plant Arabidopsis, very little is known about floral induction in tulip. To shed light on the gene regulatory network controlling flowering in tulip, RNA-sequencing was performed on meristem-enriched tissue collected under two contrasting temperature conditions, low and high...
January 19, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28097399/segregation-for-fertility-and-meiotic-stability-in-novel-brassica-allohexaploids
#12
Margaret W Mwathi, Mehak Gupta, Chaya Atri, Surinder S Banga, Jacqueline Batley, Annaliese S Mason
Allohexaploid Brassica populations reveal ongoing segregation for fertility, while genotype influences fertility and meiotic stability. Creation of a new Brassica allohexaploid species is of interest for the development of a crop type with increased heterosis and adaptability. At present, no naturally occurring, meiotically stable Brassica allohexaploid exists, with little data available on chromosome behaviour and meiotic control in allohexaploid germplasm. In this study, 100 plants from the cross B. carinata × B...
January 17, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28087658/are-winter-and-summer-dormancy-symmetrical-seasonal-adaptive-strategies-the-case-of-temperate-herbaceous-perennials
#13
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/28081272/individual-plasticity-of-the-shade-response-of-the-invasive-solidago-canadensis-in-china
#14
Leshan Du, Haiyan Liu, Ming Yan, Junmin Li, Junsheng Li
To evaluate the population variation, individual plasticity, and local adaptability of Solidago canadensis in response to shade treatment, we conducted a common pots experiment with a total of 150 ramets (5 genets, 15 populations, and 2 treatments) subjected to both control (natural light) and shady treatment (10% of natural light). Shade treatment significantly reduced growth and content of defense metabolites in S. canadensis. Compared to control, shading led to increased height, decreased basal diameter, increased leaf width, increased leaf length, increased chlorophyll content, stronger photosynthetic rate (Pn), stronger stomatal conductance (gs), and lower root to shoot ratio...
2017: PloS One
https://www.readbyqxmd.com/read/28077178/ptsd-or-not-ptsd-comparing-the-proposed-icd-11-and-the-dsm-5-ptsd-criteria-among-young-survivors-of-the-2011-norway-attacks-and-their-parents
#15
G S Hafstad, S Thoresen, T Wentzel-Larsen, A Maercker, G Dyb
BACKGROUND: The conceptualization of post-traumatic stress disorder (PTSD) in the upcoming International Classification of Diseases (ICD)-11 differs in many respects from the diagnostic criteria in the Diagnostic and Statistical Manual for Mental Disorders, fifth edition (DSM-5). The consequences of these differences for individuals and for estimation of prevalence rates are largely unknown. This study investigated the concordance of the two diagnostic systems in two separate samples at two separate waves...
January 12, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28064176/root-xylem-plasticity-to-improve-water-use-and-yield-in-water-stressed-soybean
#16
Silvas J Prince, Mackensie Murphy, Raymond N Mutava, Lorellin A Durnell, Babu Valliyodan, J Grover Shannon, Henry T Nguyen
We tested the hypothesis that increasing the number of metaxylem vessels would enhance the efficiency of water uptake in soybean (Glycine max) and decrease the yield gap in water-limited environments. A panel of 41 soybean accessions was evaluated in greenhouse, rainout shelter, and rain-fed field environments. The metaxylem number influenced the internal capture of CO2 and improved stomatal conductance, enhancing water uptake/use in soybeans exposed to stress during the reproductive stage. We determined that other root anatomical features, such as cortex cell area and the percentage of stele that comprised cortical cells, also affected seed yield under similar growth parameters...
January 7, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28048614/su-f-t-273-using-a-diode-array-to-explore-the-weakness-of-tps-dosecalculation-algorithm-for-vmat-and-sliding-window-techniques
#17
J Park, B Lu, G Yan, J Park, F Li, J Li, C Liu
PURPOSE: To identify the weakness of dose calculation algorithm in a treatment planning system for volumetric modulated arc therapy (VMAT) and sliding window (SW) techniques using a two-dimensional diode array. METHODS: The VMAT quality assurance(QA) was implemented with a diode array using multiple partial arcs that divided from a VMAT plan; each partial arc has the same segments and the original monitor units. Arc angles were less than ± 30°. Multiple arcs delivered through consecutive and repetitive gantry operating clockwise and counterclockwise...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040626/inhibition-of-ethylene-synthesis-reduces-salt-tolerance-in-tomato-wild-relative-species-solanum-chilense
#18
Emna Gharbi, Juan-Pablo Martínez, Hela Benahmed, Gilles Lepoint, Brigitte Vanpee, Muriel Quinet, Stanley Lutts
Exposure to salinity induces a burst in ethylene synthesis in the wild tomato halophyte plant species Solanum chilense. In order to gain information on the role of ethylene in salt adaptation, plants of Solanum chilense (accession LA4107) and of cultivated glycophyte Solanum lycopersicum (cv. Ailsa Craig) were cultivated for 7days in nutrient solution containing 0 or 125mM NaCl in the presence or absence of the inhibitor of ethylene synthesis (aminovinylglycine (AVG) 2μM). Salt-induced ethylene synthesis in S...
December 7, 2016: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28036107/linkage-drag-constrains-the-roots-of-modern-wheat
#19
Kai P Voss-Fels, Lunwen Qian, Sebastian Parra-Londono, Ralf Uptmoor, Matthias Frisch, Gabriel Keeble-Gagnère, Rudi Appels, Rod J Snowdon
Roots, the hidden half of crop plants, are essential for resource acquisition. However, knowledge about the genetic control of below-ground plant development in wheat, one of the most important small-grain crops in the world, is very limited. The molecular interactions connecting root and shoot development and growth, and thus modulating the plant's demand for water and nutrients along with its ability to access them, are largely unexplored. Here we demonstrate that linkage drag in European bread wheat, driven by strong selection for a haplotype variant controlling heading date, has eliminated a specific combination of two flanking, highly conserved, haplotype variants whose interaction confers increased root biomass...
December 30, 2016: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28028018/ontogenesis-and-functions-of-saxophone-stem-in-acrocomia-aculeata-arecaceae
#20
Joyce Nascimento E Souza, Leonardo Monteiro Ribeiro, Maria Olívia Mercadante-Simões
BACKGROUND AND AIMS: The underground saxophone stem systems produced by seedlings of certain palm species show peculiar growth patterns and distinctive morphologies, although little information is available concerning their development and function. We studied the ontogenesis of the saxophone stem in Acrocomia aculeata, an important neotropical oleaginous palm, and sought to experimentally define its function. METHODS: Morpho-anatomical evaluations were performed during 240 d on seedlings using traditional methodologies...
December 27, 2016: Annals of Botany
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