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https://www.readbyqxmd.com/read/28437775/effect-of-nitrification-inhibitors-on-mitigating-n2o-and-no-emissions-from-an-agricultural-field-under-drip-fertigation-in-the-north-china-plain
#1
Di Tian, Yuanyuan Zhang, Yizhen Zhou, Yujing Mu, Junfeng Liu, Chenglong Zhang, Pengfei Liu
N2O and NO emissions from a winter wheat-summer maize rotation field with five different treatments in the North China Plain (NCP) were comparably investigated from 8 October 2014 to 11 October 2015. Compared with the treatments with only flood or drip irrigation, evident emission peaks of N2O and NO from the fertilization treatments with flood irrigation (A-Flood) and with drip fertigation (A-Drip) were observed after each fertilization event, whereas their emissions from the fertilization treatments with nitrification inhibitors under drip fertigation (A+DCD-Drip and A+Nitrapyrin-Drip) were greatly suppressed...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437751/effects-of-picrotoxin-on-zebrafish-larvae-behaviors-a-comparison-study-with-ptz
#2
Xue Yang, Jia Lin, Xiaolan Peng, Qin Zhang, Yinglan Zhang, Ning Guo, Shuizhen Zhou, Qiang Li
Larval zebrafish (Danio rerio) have been suggested as a high-throughput experimental animal model for epilepsy-related genetic and developmental studies. The behavioral manifestations in response to the seizure-inducing drugs picrotoxin (PTX) (1, 5, 25, 125, or 625μM) or pentylenetetrazole (PTZ) (1, 2, 4, 8, or 16mM) under light-dark conditions were studied using zebrafish larvae at 5days post-fertilization (dpf). Two behavioral parameters, locomotor activity and thigmotaxis behavior, were analyzed. We conclude that high concentrations of PTX treatment increased locomotion and thigmotaxis in 5 dpf zebrafish larvae under continuous illumination and the locomotion of PTX-treated zebrafish was decreased under the dark condition...
April 21, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28437647/comparison-of-landfarming-amendments-to-improve-bioremediation-of-petroleum-hydrocarbons-in-niger-delta-soils
#3
David M Brown, Samson Okoro, Juami van Gils, Rob van Spanning, Matthijs Bonte, Tony Hutchings, Olof Linden, Uzoamaka Egbuche, Kim Bye Bruun, Jonathan W N Smith
Large scale landfarming experiments, using an extensive range of treatments, were conducted in the Niger-Delta, Nigeria to study the degradation of oil in contaminated soils. In this work the effect of nutrient addition, biosurfactant, Eisenia fetida (earthworm) enzyme extract, bulking and sorption agents and soil neutralization were tested. It was found that these treatments were successful in removing up to 53% of the total petroleum hydrocarbon in the soil within 16 weeks. A comparison between treatments demonstrated that most were no more effective than agricultural fertilizer addition alone...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437590/plant-dual-specificity-tyrosine-phosphorylation-regulated-kinase-optimizes-light-regulated-growth-and-development-in-arabidopsis
#4
Wen-Yu Huang, Yi-Chen Wu, Hsin-Yi Pu, Ying Wang, Geng-Jen Jang, Shu-Hsing Wu
Light controls vegetative and reproductive development of plants. For a plant, sensing the light input properly ensures coordination with the ever-changing environment. Previously, we found that LIGHT-REGULATED WD1 (LWD1) and LWD2 regulate the circadian clock and photoperiodic flowering. Here we identified Arabidopsis YET ANOTHER KINASE1 (AtYAK1), an evolutionarily conserved protein and a member of dual-specificity tyrosine phosphorylation-regulated kinases (DYRKs), as an interacting protein of LWDs. Our study revealed that AtYAK1 is an important regulator for various light responses, including the circadian clock, photomorphogenesis and reproductive development...
April 24, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28437478/metal-accumulation-by-sunflower-helianthus-annuus-l-and-the-efficacy-of-its-biomass-in-enzymatic-saccharification
#5
Saurabh Sudha Dhiman, Xin Zhao, Jinglin Li, Dongwook Kim, Vipin C Kalia, In-Won Kim, Jae Young Kim, Jung-Kul Lee
Accumulation of metal contaminants in soil as a result of various industrial and anthropogenic activities has reduced soil fertility significantly. Phytoextraction of metal contaminants can improve soil fertility and provide inexpensive feedstock for biorefineries. We investigated the hyperaccumulation capacity of sunflower (Helianthus annuus) biomass by cultivating these plants in various concentrations of metal contaminants. Sunflowers were grown in soils contaminated with various levels of heavy metals (10-2,000 mg/kg dry soil)...
2017: PloS One
https://www.readbyqxmd.com/read/28437003/high-intensity-focused-ultrasound-for-the-treatment-of-adenomyosis-selection-criteria-efficacy-safety-and-fertility
#6
Lian Zhang, Fangwen Rao, Raymond Setzen
Adenomyosis is a disorder of uterus in which endometrial glands and stroma are present within the uterine musculature. The main clinical manifestations are dysmenorrhea and menorrhagia. Adenomyosis has a great impact on both the quality of life and fertility of women. The treatment of adenomyosis remains an immense challenge MATERIAL AND METHODS: Relevant articles were searched through MEDLINE, Pubmed between 2000 and March 2017. The search terms of adenomyosis, magnetic resonance imaging (MRI) features of adenomyosis, high intensity focused ultrasound (HIFU), Ultrasound-guided HIFU and MRgFUS were used...
April 24, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28436704/association-of-cat-262c-t-with-the-concentration-of-catalase-in-seminal-plasma-and-the-risk-for-male-infertility-in-algeria
#7
Nour El Houda Bousnane, Sadiq May, Mouloud Yahia, Abed Alkarem Abu Alhaija
Catalase (CAT) plays a central role in the protection of different cell types against the deleterious effects of hydrogen peroxide. In human, CAT is implicated in many physiological and pathological conditions including idiopathic male infertility. In this study we examined the association between CAT levels in seminal plasma with different sperm parameters and with CAT-262 C/T polymorphism and their risk for idiopathic male infertility in Algeria. Semen and blood samples were obtained from 111 infertile males and 104 fertile controls from the region of Eastern Algeria following informed consent...
April 24, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28436606/early-and-late-adverse-effects-of-radioiodine-for-pediatric-differentiated-thyroid-cancer
#8
Domenico Albano, Francesco Bertagna, Maria Beatrice Panarotto, Raffaele Giubbini
BACKGROUND: Radioiodine-131 (I131) therapy for differentiated thyroid cancer (DTC) is generally a safe and effective treatment, but it has some potential side effects, which have been well described in adults but less analyzed in children. Our aim was to describe early and late adverse events of radioactive I131 in pediatric patients. METHODS: All consecutive patients ≤18 years treated for DTC in the period 1980-2015 were retrospectively analyzed for early and late side effects of radioiodine...
April 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28436343/implications-of-feed-concentrate-reduction-in-organic-grassland-based-dairy-systems-a-long-term-on-farm-study
#9
F Leiber, I K Schenk, A Maeschli, S Ivemeyer, J O Zeitz, S Moakes, P Klocke, P Staehli, C Notz, M Walkenhorst
In response to increasing efforts for reducing concentrate inputs to organic dairy production in grassland-rich areas of Europe, a long-term study was conducted, which assessed the impacts of concentrate reductions on cows' performance, health, fertility and average herd age. In total, 42 Swiss commercial organic dairy cattle farms were monitored over 6 years ('Y0', 2008/09 until 'Y5', 2013/14). In comparison with overall data of Swiss herdbooks (including conventional and organic farms), the herds involved in the project had lower milk yields, similar milk solids, shorter calving intervals and higher average lactation numbers...
April 24, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28436168/effects-of-nitrogen-fertilizer-and-harvesting-stage-on-photosynthetic-pigments-and-phytol-contents-of-italian-ryegrass-silage
#10
Renlong Lv, Mabrouk El-Sabagh, Taketo Obitsu, Toshihisa Sugino, Yuzo Kurokawa, Kensuke Kawamura
This study aimed to investigate the effects of nitrogen (N) fertilizer application and harvesting stage on the contents of chlorophyll, phytol and carotenoids (β-carotene and lutein) in Italian ryegrass herbage before and after ensiling, and the extent of phytol preservation after ensiling. Three rates of N fertilizer (0, 60 and 120 kg N/ha) were applied by top-dressing as an additional fertilizer. The herbage harvested at booting stage (27 weeks of age) or heading stage (29 weeks of age) were wilted for 1 day, then ensiled for 60 days using a small-scale pouch system...
April 24, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28436137/insights-into-in-vitro-spermatogenesis-in-mammals-past-present-future
#11
REVIEW
Amir Fattahi, Zeinab Latifi, Tohid Ghasemnejad, Hamid Reza Nejabati, Mohammad Nouri
Considering the self-renewal and differentiation ability of pluripotent stem cells, some studies have pointed out the possibility of stem cell-derived sperm production. Most studies that test this hypothesis have been conducted on rodents, with some promising results; however, studies on humans are progressing slowly, and have encountered technical and ethical hurdles. Established methods to differentiate stem cells - including embryoid bodies, co-culturing, and various feeder cells - may provide a niche that is similar to in vivo conditions and resolve epigenetic abnormalities, but a gonadal-like three-dimensional structure is still required to produce germ cells with the correct imprinting...
April 24, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28435402/synchronous-bilateral-testis-cancer-clinical-and-oncological-management
#12
Davide Campobasso, Stefania Ferretti, Antonio Frattini
Synchronous bilateral testis cancer (SBTC) is a rare event. It represents only 0.5-1% of all new cases of testicular cancer. Patients with this disease require careful management for psychological, oncological, and medical problems. We performed a PubMed search for all series that reported SBTC. We considered only articles in English, reporting on more than three cases. We also performed an analysis of the reported evidence regarding testosterone replacement and surgical treatment. We found 10 studies satisfying inclusion criteria for a total of 73 patients...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28435265/toxicity-studies-of-six-types-of-carbon-nanoparticles-in-a-chicken-embryo-model
#13
Natalia Kurantowicz, Ewa Sawosz, Gabriela Halik, Barbara Strojny, Anna Hotowy, Marta Grodzik, Radosław Piast, Wanvimol Pasanphan, André Chwalibog
In the present study, the toxicity of six different types of carbon nanoparticles (CNPs) was investigated using a chicken-embryo model. Fertilized chicken eggs were divided into the following treatment groups: placebo, diamond NPs, graphite NPs, pristine graphene, small graphene oxide, large graphene oxide, and reduced graphene oxide. Experimental solutions at a concentration of 500 μg/mL were administrated into the egg albumin. Gross pathology and the rate of survival were examined after 5, 10, 15, and 20 days of incubation...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28435192/effect-of-peripartum-nutritional-management-on-plasma-profile-of-steroid-hormones-metabolites-and-postpartum-fertility-in-buffaloes
#14
R M Kalasariya, A J Dhami, K K Hadiya, D N Borkhatariya, J A Patel
AIM: The aim of this study was to evaluate the influence of peripartum protein and minerals supplementation on plasma profile of steroid hormones, metabolites, and fertility in rural buffaloes. MATERIAL AND METHODS: A total of 85 advanced pregnant (~8 months) pluriparous buffaloes selected at farmers' doorstep in three tribal villages of Middle Gujarat were randomly divided into two groups, viz., control (n=45) and nutrients treatment (40). The buffaloes of treatment group (n=40), in addition to farmers feeding schedule/control, received daily 1...
March 2017: Veterinary World
https://www.readbyqxmd.com/read/28434778/live-birth-potential-of-good-morphology-and-vitrified-blastocysts-presenting-abnormal-cell-divisions
#15
Antonino Azzarello, Thomas Hoest, Anders Hay-Schmidt, Anne Lis Mikkelsen
This study included 238 good morphology blastocysts, which were transferred after vitrification-warming to 152 women by single blastocyst transfer in Holbæk Fertility Clinic, Denmark. Time-lapse recordings of transferred good morphology blastocysts were reassessed to recognize every abnormal cell division (ACD) from the 1st to the 4th cell cycle. ACDs were distinguished as failed cell divisions and multi-cell divisions. ACDs were recognized in 37.0% (no. 88/238) of good morphology blastocysts that were vitrified-warmed and transferred in our clinic...
April 20, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28434752/effects-of-intrauterine-infusion-of-escherichia-coli-lipopolysaccharide-on-uterine-health-resolution-of-purulent-vaginal-discharge-and-reproductive-performance-of-lactating-dairy-cows
#16
João G N Moraes, Paula R B Silva, Luís G D Mendonça, Alexandre A Scanavez, Joseane C C Silva, Ricardo C Chebel
The objectives of the current experiment were to evaluate the effects of intrauterine infusion of Escherichia coli lipopolysaccharide (LPS) in cows diagnosed with purulent vaginal discharge (PVD) on intrauterine cell population, resolution of PVD, uterine health, and reproductive performance. Jersey cows (n = 3,084) were examined using the Metricheck device to diagnose PVD at 35 ± 6 d postpartum. Purulent vaginal discharge was defined as the presence of purulent (≥50% pus) discharge detectable in the vagina...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434751/genome-wide-mapping-and-estimation-of-inbreeding-depression-of-semen-quality-traits-in-a-cattle-population
#17
Maja Ferenčaković, Johann Sölkner, Miroslav Kapš, Ino Curik
Inbreeding depression is known to affect quantitative traits such as male fertility and sperm quality, but the genetic basis for these associations is poorly understood. Most studies have been limited to examining how pedigree- or marker-derived genome-wide autozygosity is associated with quantitative phenotypes. In this study, we analyzed possible associations of genetic features of inbreeding depression with percentage of live spermatozoa and total number of spermatozoa in 19,720 ejaculates obtained from 554 Austrian Fleckvieh bulls during routine artificial insemination programs...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434724/the-effect-of-presynchronization-with-prostaglandin-f2%C3%AE-and-gonadotropin-releasing-hormone-simultaneously-7-d-before-ovsynch-compared-with-presynch-10-ovsynch-on-luteal-function-and-first-service-pregnancies-per-artificial-insemination
#18
J P N Martins, M J T Acevedo, T O Cunha, C Piterini, J R Pursley
Pregnancy per artificial insemination (P/AI) following Ovsynch is optimized when cows ovulate to the first GnRH of Ovsynch. Fertility programs are designed to presynchronize cows to d 6 or 7 of the estrous cycle to increase the chances of ovulation of a first-wave dominant follicle to the first GnRH of Ovsynch. The hypothesis of this experiment was that simplification of a presynchronization program through the combination of PGF2α and GnRH on the same day, 7 d before Ovsynch, would allow for similar P/AI compared with Presynch-10...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434653/a-revised-prediction-model-for-natural-conception
#19
Alexandra J Bensdorp, Jan Willem van der Steeg, Pieternel Steures, J Dik F Habbema, Peter G A Hompes, Patrick M M Bossuyt, Fulco van der Veen, Ben W J Mol, Marinus J C Eijkemans
One of the aims in reproductive medicine is to differentiate between couples that have favourable chances of conceiving naturally and those that do not. Since the development of the prediction model of Hunault, characteristics of the subfertile population have changed. The objective of this analysis was to assess whether additional predictors can refine the Hunault model and extend its applicability. Consecutive subfertile couples with unexplained and mild male subfertility presenting in fertility clinics were asked to participate in a prospective cohort study...
March 28, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28434612/tracking-nitrate-sources-in-groundwater-and-associated-health-risk-for-rural-communities-in-the-white-volta-river-basin-of-ghana-using-isotopic-approach-%C3%AE-15-n-%C3%AE-18-ono3-and-3-h
#20
Geophrey Anornu, Abass Gibrilla, Dickson Adomako
In this study, we present a first attempt on the use of integrated hydro-chemical and isotopic technique to trace the sources of groundwater nitrate contamination in the Upper East Region of Ghana to aid the sustainable management of this vital resource. The objectives of the study are (1) assess the present status and spatial distribution of the nitrate contamination (2) identify and distinguish the most likely sources of nitrate , (3) identify the relationship between (3)H and NO3(-) and F(-), and (4) ascertain the potential human risk from exposure to nitrate contamination...
April 21, 2017: Science of the Total Environment
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