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https://www.readbyqxmd.com/read/28549333/endoplasmic-reticulum-er-stress-and-camp-pka-pathway-mediated-zn-induced-hepatic-lipolysis
#1
Yu-Feng Song, Christer Hogstrand, Chuan-Chuan Wei, Kun Wu, Ya-Xiong Pan, Zhi Luo
The present study was performed to determine the effect of Zn exposure influencing endoplasmic reticulum (ER) stress, explore the underlying molecular mechanism of Zn-induced hepatic lipolysis in a fish species of significance for aquaculture, yellow catfish Pelteobagrus fulvidraco. We found that waterborne Zn exposure evoked ER stress and unfolded protein response (UPR), and activated cAMP/PKA pathway, and up-regulated hepatic lipolysis. The increase in ER stress and lipolysis were associated with activation of cAMP/PKA signaling pathway...
May 23, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28548853/a-series-of-fluorescent-and-colorimetric-chemodosimeters-for-selective-recognition-of-cyanide-based-on-fret-mechanism
#2
Ying-Xi Hua, Yongliang Shao, Ya-Wen Wang, Yu Peng
A series of fluorescence "turn-on" probes (PY, AN, NA, B1 and B2) have been developed and successfully applied to detect cyanide anions based on Michael-addition reaction and FRET mechanism. These probes demonstrated good selectivity, high sensitivity and very fast recognition for CN-. Especially, the fluorescence response of probe NA finished within 3 seconds. Low LODs (down to 63 nM) are also obtained in these probes with remarkable fluorescence enhancement factors. In addition, fluorescence colors of these probes turned to blue, yellow or orange upon sensing CN-...
May 26, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28548094/targeted-recombination-between-homologous-chromosomes-for-precise-breeding-in-tomato
#3
Shdema Filler Hayut, Cathy Melamed Bessudo, Avraham A Levy
Homologous recombination (HR) between parental chromosomes occurs stochastically. Here, we report on targeted recombination between homologous chromosomes upon somatic induction of DNA double-strand breaks (DSBs) via CRISPR-Cas9. We demonstrate this via a visual and molecular assay whereby DSB induction between two alleles carrying different mutations in the PHYTOENE SYNTHASE (PSY1) gene results in yellow fruits with wild type red sectors forming via HR-mediated DSB repair. We also show that in heterozygote plants containing one psy1 allele immune and one sensitive to CRISPR, repair of the broken allele using the unbroken allele sequence template is a common outcome...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28546825/efficient-isolation-of-magnolia-protoplasts-and-the-application-to-subcellular-localization-of-mdehsf1
#4
Yamei Shen, Dong Meng, Kim McGrouther, Junhong Zhang, Lailiang Cheng
BACKGROUND: Magnolia is a woody ornamental plant, which is widely used in urban landscaping. However, its lengthy juvenile period and recalcitrance to regeneration impedes functional characterization of its genes. RESULTS: We developed an efficient protoplast isolation and transient expression system for Magnolia denudata × Magnolia acuminata 'Yellow River'. The highest yield of protoplasts was obtained from young leaves digested in 3% Cellulase R10, 0.8% Macerozyme R10, 0...
2017: Plant Methods
https://www.readbyqxmd.com/read/28546067/are-there-consistent-behavioral-differences-between-sexes-and-male-color-morphs-in-pelvicachromis-pulcher
#5
Cheryl M Sedlak Seaver, Peter L Hurd
Adult sex ratios in the kribensis cichlid (Pelvicachromis pulcher) are influenced by environmental conditions during early development. These environmental sex-determining factors may also organize life-long variation in social behavior within each sex. If this is true, then individual differences in behavior may be, at least in part, expressions of the relative strength of sexual differentiation of that individual. As adults, kribensis males take on one of four alternative color morphs. Males of the yellow morph tend toward breeding monogamously and are produced at higher frequency under female-biasing environmental conditions, while males of the red morph tend more towards breeding polygynously and are produced more frequently by male-biasing early environments...
May 10, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28546018/molecular-characterization-and-expression-analysis-of-three-tlr-genes-in-yellow-catfish-pelteobagrus-fulvidraco-responses-to-stimulation-of-aeromonas-hydrophila-and-tlr-ligands
#6
Kai-Lun Wang, Wei Ji, Gui-Rong Zhang, Kai-Jian Wei, Ze-Chao Shi, Xiao-Ting Zhang, Huan Zheng, Qi-Xue Fan
Toll-like receptors (TLRs) are one of the most extensively researched pattern recognition receptors (PRRs) and play an important role in the innate immune system. In this study, partial cDNA sequences of the Pf_TLR18 and Pf_TLR19 genes and complete cDNA sequence of the Pf_TLR21 gene were cloned from yellow catfish (Pelteobagrus fulvidraco). The open reading frames (ORFs) of the Pf_TLR18, Pf_TLR19 and Pf_TLR21 genes were 1956 bp, 2262 bp and 2949 bp in length, encoding 651, 753 and 982 amino acids, respectively...
May 22, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28545760/identification-of-synaptic-pattern-of-nmda-receptor-subunits-upon-direction-selective-retinal-ganglion-cells-in-developing-and-adult-mouse-retina
#7
Jun-Seok Lee, Hang-Gu Kim, Chang-Jin Jeon
Direction selectivity of the retina is a unique mechanism and critical function of eyes for surviving. Direction-selective retinal ganglion cells (DS RGCs) strongly respond to preferred directional stimuli, but rarely respond to the opposite or null directional stimuli. These DS RGCs are sensitive to glutamate, which is secreted from bipolar cells. Using immunocytochemistry, we studied with the distributions of N-methyl-d-aspartate (NMDA) receptor subunits on the dendrites of DS RGCs in the developing and adult mouse retina...
May 22, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28545688/quinacrine-in-endometrial-cancer-repurposing-an-old-antimalarial-drug
#8
Eleftheria Kalogera, Debarshi Roy, Ashwani Khurana, Susmita Mondal, Amy L Weaver, Xiaoping He, Sean C Dowdy, Viji Shridhar
OBJECTIVE: Generate preclinical data on the effect of quinacrine (QC) in inhibiting tumorigenesis in endometrial cancer (EC) in vitro and explore its role as an adjunct to standard chemotherapy in an EC mouse model. METHODS: Five different EC cell lines (Ishikawa, Hec-1B, KLE, ARK-2, and SPEC-2) representing different histologies, grades of EC, sensitivity to cisplatin and p53 status were used for the in vitro studies. MTT and colony formation assays were used to examine QC's ability to inhibit cell viability in vitro...
May 22, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28545553/pigment-fingerprint-profile-during-extractive-fermentation-with-monascus-anka-gim-3-592
#9
Kan Shi, Rui Tang, Tao Huang, Lu Wang, Zhenqiang Wu
BACKGROUND: Traditional submerged fermentation mainly accumulates intracellular orange pigments with absorption maxima at 470 nm, whereas extractive fermentation of Monascus spp. with Triton X-100 can promote the export of intracellular pigments to extracellular broth, mainly obtaining extracellular yellow pigments with absorption maxima at approximately 410 nm. In this study, a strain of Monascus (M. anka GIM 3.592) that produces high yields of pigments was employed to investigate the differences in pigment fingerprint profiles between submerged and extractive fermentations...
May 25, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28545001/the-yellow-sea-ecosystem-pollution-ecosystem-threats-and-environmental-health
#10
EDITORIAL
Jong Seong Khim, Tieyu Wang, Shane A Snyder
No abstract text is available yet for this article.
May 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28544823/fine-needle-aspiration-cytology-findings-of-myxoinflammatory-fibroblastic-sarcoma-a-case-report
#11
Satoru Ozaki, Satomi Kasashima, Atsuhiro Kawashima, Akishi Ooi
Myxoinflammatory fibroblastic sarcoma (MIFS) is rare low-grade soft-tissue tumor that occurs in extremities. Clinically it is difficult to differentiate from benign lesions, such as nodular fasciitis, and malignant tumors, such as liposarcoma. We report a case of MIFS in the forearm of a 34-year-old man. The resected tumor measured 5.3 × 2.7 × 2.5 cm(3) , had a lobular structure with indistinct boundary, and consisted of a large amount of translucent and yellow mucous-like substrate. Cytological examination of a preoperative puncture aspiration specimen showed histiocyte- and fibroblast-like tumor cells in a mucous-like matrix together with scattered lipoblast- and ganglion-like cells...
May 24, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28544039/cofactor-free-direct-photoactivation-of-enoate-reductases-for-asymmetric-reduction-of-c-c-bonds
#12
Sahng Ha Lee, Da Som Choi, Milja Pesic, Yang Woo, Caroline Paul, Frank Hollmann, Chan Beum Park
Enoate reductases from the family of Old Yellow Enzymes (OYEs) can catalyze stereoselective trans-hydrogenation of activated C=C bonds. Here, we report visible light-driven activation of OYEs through NAD(P)H-free, direct transfer of photoexcited electrons from xanthene dyes to the prosthetic flavin moiety. Our spectroscopic and electrochemical analyses verified spontaneous association of rose bengal and its derivatives with OYEs. Illumination of a white light-emitting-diode triggered photoreduction of OYEs by xanthene dyes, which facilitated the enantioselective reduction of C=C bonds in the absence of NADH...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28543913/from-ligand-to-phosphor-rapid-machine-assisted-syntheses-of-substituted-iridium-iii-pyrazolate-complexes-with-tuneable-luminescence
#13
Simon J Pope, Lara Groves, Christiane Schotten, Joseph Beames, James Platts, Duncan Browne, Simon Coles, Peter Horton
A first generation machine-assisted approach towards the preparation of hybrid ligand/metal materials has been explored. A comparison of synthetic approaches demonstrates that incorporation of both flow chemistry and microwave heating, can be successfully applied to the rapid synthesis of a range of new phenyl-1H-pyrazoles (ppz) substituted with electron withdrawing groups (-F, -CF3, -OCF3, -SF5), and these, in turn, can be translated in to heteroleptic complexes, [Ir(ppz)2(bipy)]BF4 (bipy = 2,2'-bipyridine)...
May 22, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28543379/idiopathic-lymphoplasmacellular-mucositis-of-the-lips-a-case-report-and-review-of-the-literature
#14
Ren-Feng Liu, Chun-Bing Chen, Tseng-Tong Kuo, Wen-Hung Chung
Idiopathic lymphoplasmacellular mucositis (ILPM) is a group of disorders histologically characterized by dense infiltrates of lymphocytes and plasma cells in submucosa. These lesions are initially observed on the glans penis and vulva, and later on buccal mucosa, lips, gingiva, tongue, epiglottis, larynx, and other mucosal surfaces have also been reported. We have reviewed the previously reported cases of ILPM with lip involvement, outlining the clinical presentation, treatment and outcome of the entity to date...
May 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28542660/-trichomycosis-trichobacteriosis-capitis-in-an-infant-microbiological-dermoscopic-and-ultrastructural-features
#15
Alexandro Bonifaz, Ixchel Ramírez-Ricarte, Alejandra Rodríguez-Leviz, Marco A Hernández, Carlos Mena, Adriana Valencia
Trichomycosis is a superficial infection caused by Corynebacterium flavescens, which regularly affects axillary, and to a a lesser extent, pubic, scrotal and intergluteal, and exceptionally, head hairs or trichomycosis capitis (TC). This condition is characterised by the formation of bacterial nodules. Clinically, it can be confused with white piedra or pediculosis. The diagnosis is made by microscopic and dermoscopic observation and confirmed by culture. OBJECTIVE: To present a case of TC in an infant and illustrate the microscopic, dermoscopic, and ultrastructural characteristics...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28542603/a-conformational-switch-high-throughput-screening-assay-and-allosteric-inhibition-of-the-flavivirus-ns2b-ns3-protease
#16
Matthew Brecher, Zhong Li, Binbin Liu, Jing Zhang, Cheri A Koetzner, Adham Alifarag, Susan A Jones, Qishan Lin, Laura D Kramer, Hongmin Li
The flavivirus genome encodes a single polyprotein precursor requiring multiple cleavages by host and viral proteases in order to produce the individual proteins that constitute an infectious virion. Previous studies have revealed that the NS2B cofactor of the viral NS2B-NS3 heterocomplex protease displays a conformational dynamic between active and inactive states. Here, we developed a conformational switch assay based on split luciferase complementation (SLC) to monitor the conformational change of NS2B and to characterize candidate allosteric inhibitors...
May 25, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28542459/identification-and-evaluation-of-resistance-to-powdery-mildew-and-yellow-rust-in-a-wheat-mapping-population
#17
Lijun Yang, Xuejiang Zhang, Xu Zhang, Jirui Wang, Mingcheng Luo, Mujun Yang, Hua Wang, Libo Xiang, Fansong Zeng, Dazhao Yu, Daolin Fu, Garry M Rosewarne
Deployment of cultivars with genetic resistance is an effective approach to control the diseases of powdery mildew (PM) and yellow rust (YR). Chinese wheat cultivar XK0106 exhibits high levels of resistance to both diseases, while cultivar E07901 has partial, adult plant resistance (APR). The aim of this study was to map resistance loci derived from the two cultivars and analyze their effects against PM and YR in a range of environments. A doubled haploid population (388 lines) was used to develop a framework map consisting of 117 SSR markers, while a much higher density map using the 90K Illumina iSelect SNP array was produced with a subset of 80 randomly selected lines...
2017: PloS One
https://www.readbyqxmd.com/read/28542240/wmel-limits-zika-and-chikungunya-virus-infection-in-a-singapore-wolbachia-introgressed-ae-aegypti-strain-wmel-sg
#18
Cheong Huat Tan, PeiSze Jeslyn Wong, Meizhi Irene Li, HuiTing Yang, Lee Ching Ng, Scott Leslie O'Neill
BACKGROUND: Zika (ZIKV) and Chikungunya (CHIKV) viruses are emerging Aedes-borne viruses that are spreading outside their known geographic range and causing wide-scale epidemics. It has been reported that these viruses can be transmitted efficiently by Ae. aegypti. Recent studies have shown that Ae. aegypti when transinfected with certain Wolbachia strains shows a reduced replication and dissemination of dengue (DENV), Chikungunya (CHIKV), and Yellow Fever (YFV) viruses. The aim of this study was to determine whether the wMel strain of Wolbachia introgressed onto a Singapore Ae...
May 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28542169/optimum-water-supplement-strategy-to-restore-reed-wetland-in-the-yellow-river-delta
#19
Xuehong Wang, Dongjie Zhang, Bo Guan, Qing Qi, Shouzheng Tong
In order to supply optimum water to restore reed wetlands used for bird habitats, a field investigation and greenhouse experiment were conducted. Three water supplementation stages (early stage at 20 May, middle stage at 20 July and later stage at 20 September, respectively) and five depths (0, 10, 15, 20 and 35 cm over the surface, respectively) were established, with three replicates for each treatment combination. Reed growth characteristics (survival rate, height, density and biomass) and soil properties of field investigation and experiment were recorded to determine the impacts of water supplementation on reed wetland restoration...
2017: PloS One
https://www.readbyqxmd.com/read/28540957/a-skin-integrated-transparent-and-stretchable-strain-sensor-with-interactive-color-changing-electrochromic-displays
#20
Heun Park, Dong Sik Kim, Soo Yeong Hong, Chulmin Kim, Jun Yeong Yun, Seung Yun Oh, Sang Woo Jin, Yu Ra Jeong, Gyu Tae Kim, Jeong Sook Ha
In this study, we report on the development of a stretchable, transparent, and skin-attachable strain sensor integrated with a flexible electrochromic device as a human skin-inspired interactive color-changing system. The strain sensor consists of a spin-coated conductive nanocomposite film of poly(vinyl alcohol)/multi-walled carbon nanotube/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) on a polydimethylsiloxane substrate. The sensor exhibits excellent performance of high sensitivity, high durability, fast response, and high transparency...
May 25, 2017: Nanoscale
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