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https://www.readbyqxmd.com/read/28749416/anti-oxidative-stress-activity-is-essential-for-amanita-caesarea-mediated-neuroprotection-on-glutamate-induced-apoptotic-ht22-cells-and-an-alzheimer-s-disease-mouse-model
#1
Zhiping Li, Xia Chen, Wenqian Lu, Shun Zhang, Xin Guan, Zeyu Li, Di Wang
Amanita caesarea, an edible mushroom found mainly in Asia and southern Europe, has been reported to show good antioxidative activities. In the present study, the neuroprotective effects of A. caesarea aqueous extract (AC) were determined in an l-glutamic acid (l-Glu) induced HT22 cell apoptosis model, and in a d-galactose (d-gal) and AlCl₃-developed experimental Alzheimer's disease (AD) mouse model. In 25 mM of l-Glu-damaged HT22 cells, a 3-h pretreatment with AC strongly improved cell viability, reduced the proportion of apoptotic cells, restored mitochondrial function, inhibited the over-production of intracellular reactive oxygen species (ROS) and Ca(2+), and suppressed the high expression levels of cleaved-caspase-3, calpain 1, apoptosis-inducing factor (AIF) and Bax...
July 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28748080/formulation-and-nutritional-evaluation-of-a-healthy-vegetable-soup-powder-supplemented-with-soy-flour-mushroom-and-moringa-leaf
#2
Tasnim Farzana, Suman Mohajan, Trissa Saha, Md Nur Hossain, Md Zahurul Haque
The research study was conducted to develop a healthy vegetables soup powder supplemented with soy flour, mushroom, moringa leaf and compare its nutritional facts with locally available soup powders. Proximate analysis and sensory evaluation were done by standard method. In this study, moisture, ash, protein, fat, fiber, carbohydrate, and energy content were ranged from 2.83% to 5.46%, 9.39% to 16.48%, 6.92% to 16.05%, 4.22% to 6.39%, 0.22% to 1.61%, 58.81% to 75.41%, and 337.42 to 386.72 kcal/100 g, respectively...
July 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28746729/pleurotus-sajor-caju-can-be-used-to-synthesize-silver-nanoparticles-with-anti-fungal-activity-against-candida-albicans
#3
Siti Fadhilah Musa, Ting Seng Yeat, Laina Zarisa Mohd Kamal, Yasser M Tabana, Mowaffaq Adam Ahmed, Ahmad El Ouweini, Lim Vuangao, Lee Chee Keong, Doblin Sandai
BACKGROUND: Green synthesis of silver nanoparticles (AgNPs) has become widely practiced worldwide. In this study, AgNPs were synthesized using a hot-water extract of the edible mushroom, Pleurotus sajor-caju. The product, PSC-AgNPs, was characterized by using UV-Vis spectra, DLS analysis, TEM, XRD and FTIR spectrometry. To assess its antifungal activity against C. albicans, gene transcription and protein expression analyses were conducted for CaICL1 and its product, ICL using RT-qPCR and western blot, respectively...
July 26, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28743801/foxq2-has-a-key-role-in-anterior-head-and-central-brain-patterning-in-insects
#4
Peter Kitzmann, Matthias Weißkopf, Magdalena Ines Schacht, Gregor Bucher
Anterior patterning of animals is based on a set of highly conserved transcription factors but the interactions within the protostome anterior gene regulatory network (aGRN) remain enigmatic. Here, we identify the foxQ2 ortholog of the red flour beetle Tribolium castaneum as novel upstream component of the aGRN. It is required for the development of the labrum and higher order brain structures, namely the central complex and the mushroom bodies. We reveal Tc-foxQ2 interactions by RNAi and heat shock-mediated misexpression...
July 25, 2017: Development
https://www.readbyqxmd.com/read/28740466/a-tyrosine-hydroxylase-characterization-of-dopaminergic-neurons-in-the-honey-bee-brain
#5
Stevanus R Tedjakumala, Jacques Rouquette, Marie-Laure Boizeau, Karen A Mesce, Lucie Hotier, Isabelle Massou, Martin Giurfa
Dopamine (DA) plays a fundamental role in insect behavior as it acts both as a general modulator of behavior and as a value system in associative learning where it mediates the reinforcing properties of unconditioned stimuli (US). Here we aimed at characterizing the dopaminergic neurons in the central nervous system of the honey bee, an insect that serves as an established model for the study of learning and memory. We used tyrosine hydroxylase (TH) immunoreactivity (ir) to ensure that the neurons detected synthesize DA endogenously...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28740364/development-of-highly-potent-melanogenesis-inhibitor-by-in-vitro-in-vivo-and-computational-studies
#6
Qamar Abbas, Zaman Ashraf, Mubashir Hassan, Humaira Nadeem, Muhammad Latif, Samina Afzal, Sung-Yum Seo
The present work describes the synthesis of few hydroxylated amide derivatives as melanogenesis inhibitors. In vitro, in vivo and computational studies proved that compound 6d is a highly potent melanogenesis inhibitor compared to standard kojic acid. The title amides 4a-e and 6a-e were synthesized following simple reaction routes with excellent yields. Most of the synthesized compounds exhibited good mushroom tyrosinase inhibitory activity, but compound 6d showed excellent activity (IC50 0.15 µM) compared to standard kojic acid (IC50 16...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28738445/population-characteristics-of-macrocheles-glaber-acari-macrochelidae-and-stratiolaelaps-scimitus-acari-laelapidae-reared-on-a-mushroom-fly-coboldia-fuscipes-diptera-scatopsidae
#7
Mei-Fang Wen, Hsin Chi, Ying-Xiao Lian, Yu-Hao Zheng, Qing-Hai Fan, Min-Sheng You
Subterranean predatory mites are important biological control agents of pests in soil. In order to understand the population characteristics of two predatory mites, Macrocheles glaber Müller and Stratiolaelaps scimitus Womersley, we studied their development, survival and fecundity data under laboratory conditions using Coboldia fuscipes Meigen as food source and analyzed with the age-stage, two-sex life table. Macrocheles glaber had a significantly shorter developmental time, oviposition period, longevity and lower fecundity than those of S...
July 24, 2017: Insect Science
https://www.readbyqxmd.com/read/28735315/the-diversity-growth-promoting-abilities-and-anti-microbial-activities-of-bacteria-isolated-from-the-fruiting-body-of-agaricus-bisporus
#8
Quanju Xiang, Lihua Luo, Yuhuan Liang, Qiang Chen, Xiaoping Zhang, Yunfu Gu
Agaricus bisporus plays an important role in ecological processes and is one of the most widely cultivated mushrooms worldwide. Mushroom growth-promoting bacteria have been isolated from casing soil and compost, but microorganisms in the fruiting body have received only a little attention. To get an overview of phylogenetic diversity of microorganisms in the fruiting body of A. bisporus, as well as to screen antimicrobial and mushroom growth-promoting strains, and eventually intensify mushroom production, we isolated and characterized microorganisms from the fruiting body of A...
July 6, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28732905/preparation-of-fungus-derived-chitin-nanocrystals-and-their-dispersion-stability-evaluation-in-aqueous-media
#9
Ning Lin, Shasha Zhao, Lin Gan, Peter R Chang, Tao Xia, Jin Huang
The chitin nanocrystal is a promising nano-reinforcing agent, but the parasitic pathogens carried on crabs and shrimp shells as main sources limit its application in some fields. In this study, the ChNs which avoided possible safety risks were extracted from mushrooms via protein/mineral-purification and subsequent HCl-hydrolysis. Such fungus-derived ChNs presented an α-chitin crystalline structure with a length of 143±24nm and a diameter of 10±2nm. Since the dispersion stability of ChNs suspension determines their further applications, this present study emphasized the dispersity of ChNs in aqueous media evaluated by the viscosity under steady-shear flow and UV-vis absorption, whose results indicated that ChNs in dispersion would aggregate when the concentration of homogeneous dispersion reached 0...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28730353/an-exploration-into-the-bacterial-community-under-different-pasteurization-conditions-during-substrate-preparation-composting-phase-ii-for-agaricus-bisporus-cultivation
#10
Fabricio Rocha Vieira, John Andrew Pecchia
Substrate preparation (i.e., composting) for Agaricus bisporus cultivation is the most critical point of mushroom production. Among many factors involved in the composting process, the microbial ecology of the system is the underlying drive of composting and can be influenced by composting management techniques. Pasteurization temperature at the beginning of phase II, in theory, may influence the bacterial community and subsequently the "selectivity" and nutrition of the final substrate. Therefore, this hypothesis was tested by simulation in bioreactors under different pasteurization conditions (57 °C/6 h, 60 °C/2 h, and 68 °C/2 h), simulating conditions adopted by many producers...
July 20, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28728024/origins-of-cell-type-specific-olfactory-processing-in-the-drosophila-mushroom-body-circuit
#11
Kengo Inada, Yoshiko Tsuchimoto, Hokto Kazama
How cell-type-specific physiological properties shape neuronal functions in a circuit remains poorly understood. We addressed this issue in the Drosophila mushroom body (MB), a higher olfactory circuit, where neurons belonging to distinct glomeruli in the antennal lobe feed excitation to three types of intrinsic neurons, α/β, α'/β', and γ Kenyon cells (KCs). Two-photon optogenetics and intracellular recording revealed that whereas glomerular inputs add similarly in all KCs, spikes were generated most readily in α'/β' KCs...
July 19, 2017: Neuron
https://www.readbyqxmd.com/read/28724955/mushroom-lectin-overcomes-hepatitis-b-virus-tolerance-via-tlr6-signaling
#12
Meina He, Dan Su, Qinghong Liu, Wenjuan Gao, Youmin Kang
Currently, chronic hepatitis B virus (HBV) infection remains a serious public health problem in the world. Recombinant HBV vaccine, as a preventive strategy against HBV infection, generates high antibody level, but it is not effective to activate innate and cellular immunity for chronic HBV infection therapy. Lectins from mushroom are natural and active proteins which have been shown important biological functions. However, little is known about the immunological mechanism engaged by mushroom lectins. Here we report that, lectin from Pleurotus ostreatus (POL) stimulated innate response by activating Toll-like receptor 6 signal pathway of dendritic cells...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722830/ralfuranones-contribute-to-mushroom-type-biofilm-formation-by-ralstonia-solanacearum-strain-oe1-1
#13
Yuka Mori, Yuki Hosoi, Shiho Ishikawa, Kazusa Hayashi, Yu Asai, Hideyuki Ohnishi, Mika Shimatani, Kanako Inoue, Kenichi Ikeda, Hitoshi Nakayashiki, Yasuyo Nishimura, Kouhei Ohnishi, Akinori Kiba, Kenji Kai, Yasufumi Hikichi
After invasion into intercellular spaces of tomato plants, the soil-borne plant pathogenic Ralstonia solanacearum strain OE1-1 forms mushroom-shaped biofilms (mushroom-type biofilms, mBFs) on tomato cells, leading to its virulence. The strain OE1-1 produces aryl-furanone secondary metabolites, ralfuranones (A, B, J, K and L), dependent on the quorum sensing (QS) system with methyl 3-hydroxymyristate (3-OH MAME) synthesized by PhcB as a QS signal. Ralfuranones are associated with the feedback loop of the QS system...
July 19, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28722414/mushroom-derived-indole-alkaloids
#14
Joshua A Homer, Jonathan Sperry
Mushrooms are known to produce over 140 natural products bearing an indole heterocycle. In this review, the isolation of these mushroom-derived indole alkaloids is discussed, along with their associated biological activities.
July 19, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28718825/olive-mill-waste-enhances-%C3%AE-glucan-content-in-the-edible-mushroom-pleurotus-eryngii
#15
Sharon Avni, Nirit Ezove, Hilla Hanani, Itamar Yadid, Michal Karpovsky, Hilla Hayby, Ofer Gover, Yitzhak Hadar, Betty Schwartz, Ofer Danay
Mushroom polysaccharides are edible polymers that have numerous reported biological functions; the most common effects are attributed to β-glucans. In recent years, it became apparent that the less abundant α-glucans also possess potent effects in various health conditions. Here we explore several Pleurotus species for their total, β and α-glucan content. Pleurotus eryngii was found to have the highest total glucan concentrations and the highest α-glucans proportion. We also found that the stalks (stipe) of the fruit body contained higher glucan content then the caps (pileus)...
July 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28718765/a-connectome-of-a-learning-and-memory-center-in-the-adult-drosophila-brain
#16
Shin-Ya Takemura, Yoshinori Aso, Toshihide Hige, Allan Wong, Zhiyuan Lu, C Shan Xu, Patricia K Rivlin, Harald F Hess, Ting Zhao, Toufiq Parag, Stuart Berg, Gary Huang, William Katz, Donald J Olbris, Stephen Plaza, Lowell Umayam, Roxanne Aniceto, Lei-Ann Chang, Shirley Lauchie, Omotara Ogundeyi, Christopher Ordish, Aya Shinomiya, Christopher Sigmund, Satoko Takemura, Julie Tran, Glenn C Turner, Gerald M Rubin, Louis K Scheffer
Understanding memory formation, storage and retrieval requires knowledge of the underlying neuronal circuits. In Drosophila, the mushroom body (MB) is the major site of associative learning. We reconstructed the morphologies and synaptic connections of all 983 neurons within the three functional units, or compartments, that compose the adult MB's α lobe, using a dataset of isotropic 8-nm voxels collected by focused ion-beam milling scanning electron microscopy. We found that Kenyon cells (KCs), whose sparse activity encodes sensory information, each make multiple en passant synapses to MB output neurons (MBONs) in each compartment...
July 18, 2017: ELife
https://www.readbyqxmd.com/read/28715178/flexible-and-robust-superomniphobic-surfaces-created-by-localized-photofluidization-of-azopolymer-pillars
#17
Jaeho Choi, Wonhee Jo, Seung Yeol Lee, Yeon Sik Jung, Shin-Hyun Kim, Hee-Tak Kim
Springtails, insects which breathe through their skins, possess mushroom-shaped nanostructures. As doubly re-entrant geometry in the mushroom head enhances the resistance against liquid invasion, the springtails have robust, liquid-free omniphobic skins. Although omniphobic surfaces are promising for various applications, it remains an important challenge to mimic the structural feature of springtails. This paper presents a pragmatic method to create doubly re-entrant nanostructures and robust superomniphobic surfaces by exploiting localized photofluidization of azopolymers...
July 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28714027/enhanced-anticancer-effects-of-a-mixture-of-low-dose-mushrooms-and-panax-ginseng-root-extracts-in-human-colorectal-cancer-cells
#18
Mi So Lee, Mi-Sook Kim, Jae Kuk Yoo, Ji Young Lee, Jae Eun Ju, Youn Kyoung Jeong
Worldwide, colorectal cancer is the third most common cancer in men and the second most common in women. As conventional colorectal cancer therapies result in various side effects, there is a need for adjuvant therapy that can enhance the conventional therapies without complications. In this study, we investigated the anticancer effects of combined mixture of the several medicinal mushrooms and Panax ginseng root extracts (also called Amex7) as an adjuvant compound in the treatment of human colorectal cancer...
July 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713046/a-90-day-oral-toxicity-study-of-glycolipids-from-dacryopinax-spathularia-in-beagle-dogs
#19
Jens Bitzer, Thomas Henkel, Andrey I Nikiforov, Marisa O Rihner, Kim A Henderson
The subchronic toxicity of glycolipids from Dacryopinax spathularia (herein referred to as "AM-1") was studied in male and female Beagle dogs administered AM-1 by oral capsule at doses of 150, 500 or 1000 mg/kg/day for 90 days. AM-1 was well tolerated at all dosages and there were no test article-related effects on survival, clinical observations, neurological screening (functional observational battery) parameters, clinical pathology parameters, organ weights, macroscopic or microscopic evaluations. Test article-related changes were limited to minimal effects on food consumption and body weight changes in the 1000 mg/kg/day group females...
July 13, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28711736/two-dose-investigation-of-the-5-ht-agonist-psilocybin-on-relative-and-global-cerebral-blood-flow
#20
Candace R Lewis, Katrin H Preller, Rainer Kraehenmann, Lars Michels, Philipp Stämpfli, Franz X Vollenweider
Psilocybin, the active compound in psychedelic mushrooms, is an agonist of various serotonin receptors. Seminal psilocybin positron emission tomography (PET) research suggested regional increases in glucose metabolism in frontal cortex (hyperfrontality). However, a recent arterial spin labeling (ASL) study suggests psilocybin may lead to hypo-perfusion in various brain regions. In this placebo-controlled, double-blind study we used pseudo-continuous ASL (pCASL) to measure perfusion changes, with and without adjustment for global brain perfusion, after two doses of oral psilocybin (low dose: 0...
July 12, 2017: NeuroImage
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