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https://www.readbyqxmd.com/read/28637270/in-planta-recapitulation-of-isoprene-synthases-evolution-from-ocimene-synthases
#1
Mingai Li, Jia Xu, Alberto Algarra Alarcon, Silvia Carlin, Enrico Barbaro, Luca Cappellin, Violeta Velikova, Urska Vrhovsek, Francesco Loreto, Claudio Varotto
Isoprene is the most abundant biogenic volatile hydrocarbon compound naturally emitted by plants and plays a major role in atmospheric chemistry. It has been proposed that isoprene synthases (IspS) may readily evolve from other terpene synthases, but this hypothesis has not been experimentally investigated.We isolated and functionally validated in Arabidopsis the first isoprene synthase gene, AdoIspS, from a monocotyledonous species (Arundo donax L., Poaceae). Phylogenetic reconstruction indicates that AdoIspS and dicots isoprene synthases most likely originated by parallel evolution from TPS-b monoterpene synthases...
June 16, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28637160/energy-producing-electro-flocculation-for-harvest-of-dunaliella-salina
#2
Qing Liu, Meng Zhang, Tao Lv, Hongjun Chen, Anthony Okonkwo Chika, Changli Xiang, Minxue Guo, Minghui Wu, Jianjun Li, Lishan Jia
In this study, an efficient electro-flocculation process for Dunaliella salina with energy production by aluminum-air battery has been successfully applied. The formed aluminum hydroxide hydrates during discharging of battery were positively charged, which have a great potential for microalgae flocculation. The precipitation of aluminum hydroxide hydrates by algae also could improve the performance of aluminum-air battery. The harvesting efficiency could reach 97% in 20mins with energy production of 0.11kWh/kg...
June 1, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28637158/a-reused-method-for-molasses-processed-wastewater-effect-on-silage-quality-and-anaerobic-digestion-performance-of-pennisetum-purpereum
#3
Lianhua Li, Zhenhong Yuan, Yongming Sun, Xiaoying Kong, Pengyu Dong, Jia Zhang
The silage quality and anaerobic digestion performance of Pennisetum purpereum with molasses-processed wastewater addition were assessed. The silage samples with molasses-processed wastewater addition obtained higher lactic acid concentration of 15.18-23.38mg/g FM, lower pH value of 3.96-4.45 and lower NH3-N content of 0.47-0.64mg/g FM. No obvious difference was observed in the dominant phyla and genus, but the relative abundance of Lactobacillus reached up to 77.39%, increased by 84% compared to the silage samples without molasses-processed wastewater addition...
May 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28637011/mir-487b-mitigates-chronic-heart-failure-through-inhibition-of-the-il-33-st2-signaling-pathway
#4
En-Wei Wang, Xu-Sheng Jia, Chang-Wu Ruan, Zhi-Ru Ge
We investigated the effects of microRNA-587b (miR-487b) in a rat model of chronic heart failure (CHF). Wistar rats were assigned to 10 groups (n=8 per group). Expression of interleukin-33 (IL-33), somatostatin 2 (ST2), IL-6, and TNF-α was higher in the CHF group than the control group. In the CHF, negative control (NC) for si-IL-33, NC for miR-487b mimic, NC for miR-487b inhibitor, and miR-487b inhibitor + si IL-33 groups, as compared to the blank and sham groups: steroid binding protein (SBP), D binding protein (DBP), left ventricular systolic pressure (LVSP), ± dp/dtmax, and superoxide dismutase (SOD) were all lower; myocardial fibrosis, MDA, left ventricular end-diastolic pressure (LVEDP), myocardial apoptosis rate, IL-6, and TNF-α were all higher; levels of IL-33 and ST2 mRNA and protein were higher; and levels of miR-487b were lower...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636883/the-effects-of-monocular-training-on-binocular-functions-in-anisometropic-amblyopia
#5
Wuli Jia, Fangfang Lan, Zhao Xin, Zhong-Lin Lu, Chang-Bing Huang, Wuxiao Zhao, Min Li
PURPOSE: It's been shown that intensive monocular perceptual learning can improve visual acuity, contrast sensitivity, and vernier acuity in the amblyopic eye in adults with amblyopia. It is however not clear how much monocular training can enhance binocular visual functions. In the current study, we aimed to evaluate effects of monocular training on a variety of binocular functions. METHODS: Nineteen anisometropic amblyopes (18.5±1.26 yrs) were trained in a grating contrast detection task near each individual's cutoff spatial frequency for 6 to 10 days (630 trials/day)...
June 18, 2017: Vision Research
https://www.readbyqxmd.com/read/28636837/microrna-101-2-5p-targets-the-apob-gene-in-liver-of-chicken-gallus-gallus
#6
Zheng Ma, Hong Li, Hang Zheng, Keren Jiang, Lijuan Jia, Fengbin Yan, Yadong Tian, Xiangtao Kang, Yanbin Wang, Xiaojun Liu
Apolipoprotein B (ApoB) is a major protein component of plasma lipoproteins, which have been involved in many important biological processes such as lipid transportation, enzyme activity regulation and receptor recognition. Extensive studies have showed that the expression of the ApoB was regulated at multiple levels. However, the regulation of ApoB expression by microRNAs (miRNAs) still remains unknown. In present studies, miRNAs that interact with ApoB have been predicted in chicken. The targeted relationship between the predicated miRNAs and ApoB was verified through dual luciferase reporter assay in chicken DF1 cells, and the effect of miRNAs on ApoB expression was analyzed in chicken embryo hepatocytes stimulated by 17β-estradiol...
June 21, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28636809/visible-light-driven-aza-ortho-quinone-methide-generation-enables-a-multicomponent-reaction
#7
Wen-Jing Xiao, Yi-Ying Liu, Xiao-Ye Yu, Miao-Maio Qiao, Xiaotian Qi, Jia-Rong Chen, De-Qing Shi
A visible light photoredox-catalyzed and radical-mediated strategy for the in situ generation of aza-ortho-quinone methides from readily accessible alkenylanilines and alkyl radical precursors has been accomplished for the first time. This protocol enables an efficient multicomponent cascade reaction of alkenylanilines, halides and sulfur ylides, and shows wide substrate scope and high functional group tolerance with respect to each component. Treatment of the initially formed cycloaddition products with a base leads to a convergent and streamlined synthesis of densely functionalized indoles in a single flask operation...
June 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28636782/changing-trends-in-complications-of-chronic-hepatitis-c
#8
Mei Lu, Jia Li, Loralee B Rupp, Yueren Zhou, Scott D Holmberg, Anne C Moorman, Philip R Spradling, Eyasu H Teshale, Joseph A Boscarino, Yihe G Daida, Mark A Schmidt, Sheri Trudeau, Stuart C Gordon
BACKGROUND AND AIMS: Chronic hepatitis C virus (HCV)-related complications have increased over the past decade. METHODS: We used join-point regression modeling to investigate trends in these complications from 2006-2015, and the impact of demographics on these trends. Using data from the Chronic Hepatitis Cohort Study (CHeCS), we identified points at which the trend significantly changed, and estimated the annual percent change (APC) in rates of cirrhosis, decompensated cirrhosis, and all-cause mortality, adjusted by race, sex, and age...
June 21, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28636560/lipocalin-2-regulates-intestine-bacterial-survival-by-interplaying-with-siderophore-in-a-weaned-piglet-model-of-escherichia-coli-infection
#9
Bing-Xiu Guo, Qian-Qian Wang, Jia-Hui Li, Zhen-Shun Gan, Xiao-Feng Zhang, Yi-Zhen Wang, Hua-Hua Du
Iron is an essential nutrient that facilitates cell proliferation and growth, which plays a pivotal role in modulating the battle for survival between mammalian hosts and their pathogens. Pathogenic bacteria secrete siderophores to acquire iron from the host. However, lipocalin 2 (Lcn2), a siderophore-binding antimicrobial protein, binds to siderophores to prevent bacterial uptake of iron, which is critical for the control of systemic infection with Escherichia coli (E. coli). But few studies focus on the anti-infective response of Lcn2 in the intestines by inhibiting bacterial proliferation based on microbial iron metabolism...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636542/niaoduqing-granules-relieve-chronic-kidney-disease-symptoms-by-decreasing-renal-fibrosis-and-anemia
#10
Xu Wang, Suyun Yu, Qi Jia, Lichuan Chen, Jinqiu Zhong, Yanhong Pan, Peiliang Shen, Yin Shen, Siliang Wang, Zhonghong Wei, Yuzhu Cao, Yin Lu
NiaoDuQing (NDQ) granules, a traditional Chinese medicine, has been clinically used in China for over fourteen years to treat chronic kidney disease (CKD). To elucidate the mechanisms underlying the therapeutic benefits of NDQ, we designed an approach incorporating chemoinformatics, bioinformatics, network biology methods, and cellular and molecular biology experiments. A total of 182 active compounds were identified in NDQ granules, and 397 putative targets associated with different diseases were derived through ADME modelling and target prediction tools...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636535/the-correlation-of-neutrophil-to-lymphocyte-ratio-with-the-presence-and-activity-of-myasthenia-gravis
#11
De-Hao Yang, Mei-Zi Qian, Mao-Mao Wei, Jia Li, Meng-Meng Yu, Xue-Mian Lu, Hong Yang, Hai Lin, Xiang Li, Jun-Yan Zhu, Xu Zhang
Though the pathogenesis of myasthenia gravis (MG) is not fully understood, the role of inflammation has been well appreciated in the development of MG. We aimed to investigate the role of neutrophil-to-lymphocyte ratio (NLR) in MG patients and the relationship between the NLR and the activity of the disease. A total number of 172 MG patients and 207 healthy controls (HC) were enrolled in this study. The MG patients were divided into tertiles according to NLR (low NLR < 1.58, n = 57; intermediate NLR 1.58-2...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636533/microrna-149-suppresses-hepatic-inflammatory-response-through-antagonizing-stat3-signaling-pathway
#12
Qiqi Zhang, Jia Su, Ziwei Wang, Hui Qi, Zeyong Ge, Zhijun Li, Wei-Dong Chen, Yan-Dong Wang
Chronic inflammation is increasingly recognized as an important component of tumorigenesis and metabolic diseases. The roles of microRNA149* (miRNA149*) in inflammation remain poorly understood. Here, we demonstrate that miR-149* is a suppressor of STAT3-mediated inflammation. MiR-149*-/- mice were generated with CRISPR/CAS9 technique. In a lipopolysaccharide (LPS)-induced inflammation model, miR-149*-/- mice show more severe liver injury and inflammation, compared with wild-type (WT) mice. MiR-149*-/- mice also displayed elevated messenger RNA (mRNA) levels of interleukin (IL)-6, inducible nitric oxide synthase (iNOS), complement C3 (C3) and IL-4 in response to LPS...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636189/discovery-of-alkyl-bis-oxy-dibenzimidamide-derivatives-as-novel-protein-arginine-methyltransferase-1-prmt1-inhibitors
#13
Wei-Yao Zhang, Wen-Chao Lu, Hao Jiang, Zheng-Bing Lv, Yi-Qian Xie, Fu-Lin Lian, Zhong-Jie Liang, Yu-Xi Jiang, Da-Jin Wang, Cheng Luo, Jia Jin, Fei Ye
Protein arginine methylation, a post-translational modification critical for a variety of biological processes, is catalyzed by protein arginine N-methyltransferases (PRMTs). In particular, PRMT1 is responsible for over 85% of the arginine methylation in mammalian cells. Dysregulation of PRMT1 is involved in diverse pathological diseases including cancers. However, most current PRMT1inhibitors are lack of specificity, efficacy, and bioavailability. Herein, a series of alkyl bis(oxy)dibenzimidamide derivatives were identified as selective PRMT1 inhibitors...
June 21, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28636115/sirna-mediated-down-regulation-of-clic4-gene-inhibits-cell-proliferation-and-accelerates-cell-apoptosis-of-mouse-liver-cancer-hca-f-and-hca-p-cells
#14
Qiu-Yun Yu, Xin-Feng Zhou, Qing Xia, Jia Shen, Jia Yan, Jiu-Ting Zhu, Xiang Li, Ming Shu
This study explored the effects involved in silencing CLIC4 on apoptosis and proliferation of mouse liver cancer Hca-F and Hca-P cells. A CLIC4-target small interfering RNA (siRNA) was designed to compound into two individual complementary oligonucleotide chains. A process of annealing and connection to a pSilencer vector was followed by transfection with Hca-F and Hca-P cells. Quantitative real-time polymerase chain reaction and western blotting techniques were used to determine CLIC4 mRNA and protein expressions...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28635998/heterogeneous-catalytic-hydrogenation-of-co2-by-metal-oxides-defect-engineering-perfecting-imperfection
#15
Jia Jia, Chenxi Qian, Yuchan Dong, Young Feng Li, Hong Wang, Mireille Ghoussoub, Keith T Butler, Aron Walsh, Geoffrey A Ozin
Metal oxides with their myriad compositions, structures and bonding exhibit an incredibly diverse range of properties. It is however the defects in metal oxides that endow them with a variety of functions and it is the ability to chemically tailor the type, population and distribution of defects on the surface and in the bulk of metal oxides that delivers utility in different applications. In this Tutorial Review, we discuss how metal oxides with designed defects can be synthesized and engineered, to enable heterogeneous catalytic hydrogenation of gaseous carbon dioxide to chemicals and fuels...
June 21, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28635152/a-novel-dna-structure-containing-agi-mediated-g-g-and-c-c-base-pairs
#16
Hehua Liu, Fusheng Shen, Phensinee Haruehanroengra, Qingqing Yao, Yunshan Cheng, Yiqing Chen, Chun Yang, Jing Zhang, Baixing Wu, Qiang Luo, Ruixue Cui, Jixi Li, Jinbiao Ma, Jia Sheng, Jianhua Gan
Metallo-base pairs have been extensively utilized in many research fields, including genetic code extension, novel therapeutics development, and various nanodevice designs. Compared to other cations, AgI is more flexible in pairing with natural base pairs. Herein, we present a DNA structure containing two C-AgI-C pairs and one first time reported G-AgI-G pair in a short 8mer DNA strand. This structure not only discloses the detailed insights into these AgI-base pairing patterns in DNA, but also represents the first nonhelical DNA structure driven by the heavy metal ions, further contributing to the structural diversity of DNA...
June 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28635079/oxygen-vacancy-mediated-photocatalysis-of-biocl-reactivity-selectivity-and-perspective
#17
Hao Li, Jie Li, Zhihui Ai, Falong Jia, Lizhi Zhang
Semiconductor photocatalysis is a trustworthy approach to harvest clean solar light for energy conversions, while state-of-the-art catalytic efficiencies are unsatisfactory because of the finite light response and/or robust charge carriers' recombination. Along with the development of modern material characterization techniques and electronic-structure computations, oxygen vacancies (OVs) on real photocatalysts surface, even in infinitesimal concentration, are found to play a more decisive role in determining the kinetics, energetics and mechanisms of photocatalytic reactions...
June 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28634859/erratum-to-erythropoietin-rescues-memory-impairment-in-a-rat-model-of-chronic-cerebral-hypoperfusion-via-the-epo-r-jak2-stat5-pi3k-akt-gsk-3%C3%AE-pathway
#18
Shengli Ma, Juwu Chen, Chen Chen, Na Wei, Jingjing Xu, Guohui Yang, Nan Wang, Yu Meng, Jia Ren, Zongchao Xu
No abstract text is available yet for this article.
June 20, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28634809/genetic-and-transcriptomic-analyses-of-lignin-and-lodging-related-traits-in-brassica-napus
#19
Lijuan Wei, Hongju Jian, Kun Lu, Nengwen Yin, Jia Wang, Xiujian Duan, Wei Li, Liezhao Liu, Xinfu Xu, Rui Wang, Andrew H Paterson, Jiana Li
Candidate genes associated with lignin and lodging traits were identified by combining phenotypic, genotypic, and gene expression data in B. napus. Brassica napus is one of the world's most important oilseed crops, but its yield can be dramatically reduced by lodging, bending, and falling of its vertical stems. Lignin has been shown to contribute to stem mechanical strength. In this study, we found that the syringyl/guaiacyl (S/G) monolignol ratio exhibits a significant negative correlation with disease and lodging resistance...
June 20, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28634752/comparison-of-three-treatment-strategies-for-cesarean-scar-pregnancy
#20
Guangquan Liu, Jiacong Wu, Jian Cao, Yunping Xue, Chencheng Dai, Juan Xu, Xuemei Jia
PURPOSE: To explore the optimal treatment for cesarean scar pregnancy. METHOD: In total, 86 women diagnosed with a cesarean scar pregnancy were divided into three groups according to treatment. The human chorionic gonadotrophin (hCG) decline percentage, intraoperative blood loss and success rate were analyzed in Group A [combination of uterine arterial embolization (UAE), local methotrexate (MTX) injection and dilation & curettage (D&C)], Group B (combination of UAE and local MTX injection) and Group C (D&C)...
June 20, 2017: Archives of Gynecology and Obstetrics
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