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https://www.readbyqxmd.com/read/28319022/recovery-of-lignin-peroxidase-from-submerged-liquid-fermentation-of-amauroderma-rugosum-blume-t-nees-torrend-using-polyethylene-glycol-salt-aqueous-two-phase-system
#1
Wan Yng Linda Jong, Pau Loke Show, Tau Chuan Ling, Yee Shin Tan
Amauroderma rugosum is a wild mushroom species widely distributed in tropics and is classified under the class of Basidiomycetes. Basidiomycetes are well-known for their abilities of producing lignocellulolytic enzymes such as lignin peroxidase (LiP), laccase (Lac) and manganese peroxidase (MnP). Different factors such as nutrient sources, incubation period and agitation affect the production of lignocellulolytic enzymes. The A. rugosum produced LiP in the medium supplemented with potato dextrose broth (PDB), 0...
March 16, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28317709/the-use-of-lactic-acid-bacteria-to-reduce-mercury-bioaccessibility
#2
C Jadán-Piedra, C Alcántara, V Monedero, M Zúñiga, D Vélez, V Devesa
Mercury in food is present in either inorganic [Hg(II)] or methylmercury (CH3Hg) form. Intestinal absorption of mercury is influenced by interactions with other food components. The use of dietary components to reduce mercury bioavailability has been previously proposed. The aim of this work is to explore the use of lactic acid bacteria to reduce the amount of mercury solubilized after gastrointestinal digestion and available for absorption (bioaccessibility). Ten strains were tested by addition to aqueous solutions containing Hg(II) or CH3Hg, or to food samples, and submission of the mixtures to gastrointestinal digestion...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28316048/toxic-elements-and-bio-metals-in-cantharellus-mushrooms-from-poland-and-china
#3
Jerzy Falandysz, Maria Chudzińska, Danuta Barałkiewicz, Małgorzata Drewnowska, Anetta Hanć
Data on multi-trace element composition and content relationships have been obtained for Cantharellus cibarius, C. tubaeformis, and C. minor mushrooms from Poland and China by inductive coupled plasma-dynamic reaction cell-mass spectroscopy. There is no previous data published on As, Li, V, Tl, and U in chanterelles from Poland and on Ba, Co, Cr, Ni, Rb, and Sr in chanterelles from China. The results implied a role of the soil background geochemistry at the collection site with the occurrence of Ag, As, Ba, Cr, Cs, Li, Mn, Pb, Rb, Sr, U, and V in the fruiting bodies...
March 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28315996/olfactory-preferences-of-the-parasitic-nematode-howardula-aoronymphium-and-its-insect-host-drosophila-falleni
#4
James A Cevallos, Ryo P Okubo, Steve J Perlman, Elissa A Hallem
Many parasitic nematodes have an environmental infective stage that searches for hosts. Olfaction plays an important role in this process, with nematodes navigating their environment using host-emitted and environmental olfactory cues. The interactions between parasitic nematodes and their hosts are also influenced by the olfactory behaviors of the host, since host olfactory preferences drive behaviors that may facilitate or impede parasitic infection. However, how olfaction shapes parasite-host interactions is poorly understood...
March 18, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28315853/effects-of-extracts-and-compounds-from-tricholoma-populinum-lange-on-degranulation-and-il-2-il-8-secretion-of-immune-cells
#5
Simon Merdivan, Kristina Jenett-Siems, Karsten Siems, Timo H J Niedermeyer, Nadin Schultze, Carmen Steinborn, Carsten Gründemann, Ulrike Lindequist
Tricholoma populinum Lange is an edible basidiomycete from the family Tricholomataceae. Extracts, fractions, and different metabolites isolated from the fruiting bodies of this mushroom were tested for degranulation-inhibiting activities on RBL-2H3 cells (rat basophils). Dichloromethane extracts decreased degranulation significantly, as did a fraction after column chromatography. In addition, the extract decreased the IL-2 release from Jurkat T cells and the release of IL-8 from HMC-1 human mast cells. The results show the significant effects of extracts of T...
March 20, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28315765/modulation-of-immunocyte-functions-by-a-mucin-specific-lectin-from-aspergillus-gorakhpurensis
#6
Ram Sarup Singh, Hemant Preet Kaur, John F Kennedy
Lectins are non-immune proteins or glycoproteins with the ability to induce cell agglutination and mediate cellular and molecular recognition processes in a variety of biological interactions. Recently, several mushroom lectins have been reported to show immunomodulatory activities.The immunomodulatory potential of purified A. gorakhpurensis lectin was determined by evaluating its effect on systemic anaphylaxis reaction, arthus reaction, respiratory burst activity, nitric oxide production and levels of cytokines IFN-γ and IL-6...
March 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28314725/a-genome-survey-and-postharvest-transcriptome-analysis-in-lentinula-edodes
#7
Yuichi Sakamoto, Keiko Nakade, Shiho Sato, Kentaro Yoshida, Kazuhiro Miyazaki, Satoshi Natsume, Naotake Konno
Lentinula edodes is a popular cultivated edible and medicinal mushroom. Lentinula edodes is susceptible to postharvest problems such as gill browning, fruiting body softening, and lentinan degradation. We constructed a de novo assembly draft genome sequence and performed gene prediction of Lentinula edodesDe novo assembly was carried out using short reads from paired-end and mate-paired libraries and long reads by PacBio, resulting in a contig number of 1951 and an N50 of 1 Mb. Further, we predicted genes by Augustus using RNA-seq data from the whole life cycle of Lentinula edodes, resulting in 12,959 predicted genes...
March 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28302231/mushroom-bezoar-causing-small-bowel-obstruction
#8
Azhar Amir Hamzah, Chin Kim Keow, Azreen Syazri, Tauqeer Hussain Mallhi, Amer Hayat Khan, Yusra Habib Khan, Adnan
A bezoar is a concretion of foreign or indigestible matter in the alimentary canal and is usual cause of gastric obstruction. Bezoars can become fragmented and migrate downward leading to intestinal obstruction. Diagnosis of phytobezoar has become challenging in clinical practice due to lack of patient history and inability of patient to correlate preceding events with the episode of bowel obstruction. Bezoar associated small bowel obstruction rarely occurs and is usually found in patients with history of gastrointestinal surgery...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28300055/mycophagous-rove-beetles-highlight-diverse-mushrooms-in-the-cretaceous
#9
Chenyang Cai, Richard A B Leschen, David S Hibbett, Fangyuan Xia, Diying Huang
Agaricomycetes, or mushrooms, are familiar, conspicuous and morphologically diverse Fungi. Most Agaricomycete fruiting bodies are ephemeral, and their fossil record is limited. Here we report diverse gilled mushrooms (Agaricales) and mycophagous rove beetles (Staphylinidae) from mid-Cretaceous Burmese amber, the latter belonging to Oxyporinae, modern members of which exhibit an obligate association with soft-textured mushrooms. The discovery of four mushroom forms, most with a complete intact cap containing distinct gills and a stalk, suggests evolutionary stasis of body form for ∼99 Myr and highlights the palaeodiversity of Agaricomycetes...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28299440/itraq-ms-ms-proteomic-analysis-reveals-differentially-expressed-proteins-during-post-harvest-maturation-of-the-white-button-mushroom-agaricus-bisporus
#10
Meiyuan Chen, Jianhua Liao, Hongrong Li, Zhixin Cai, Zhongjie Guo, Mark P Wach, Zesheng Wang
Agaricus bisporus (J. E. Lange) Imbach, well known as the common cultivated mushroom or white button mushroom, is widely cultivated all over the world. We used iTRAQ-MS/MS (i.e., isobaric tags for relative and absolute quantification-coupled two-dimensional liquid chromatography-tandem mass spectrometry) to identify protein expression changes that occur during the post-harvest maturation of Agaricus bisporus fruitbodies at 0, 6, 12, and 48 h after harvest. A total of 5878 unique peptides, representing 1063 proteins, were identified...
March 16, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28298253/-nutrient-transfer-and-growth-of-pinus-greggii-engelm-inoculated-with-edible-ectomycorrhizal-mushrooms-in-two-substrates
#11
María C Rentería-Chávez, Jesús Pérez-Moreno, Víctor M Cetina-Alcalá, Ronald Ferrera-Cerrato, Beatriz Xoconostle-Cázares
An ectomycorrhiza is a mutualistic symbiosis of paramount importance in forestry and tree production. One of the selection criteria of ectomycorrhizal fungi that has currently gained importance is their edibility due to the economic, ecological and cultural relevance of edible ectomycorrhizal mushrooms as a non-timber forest product. The effect of the inoculation with three edible ectomycorrhizal mushrooms: Laccaria laccata, Laccaria bicolor y Hebeloma leucosarx, which are widely sold in Mexico, on the growth and nutrient contents of Pinus greggii grown in an experimental substrate and a commercial substrate enriched with a slow-release fertilizer, was evaluated...
March 12, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28297750/ros-scavenging-and-anti-wrinkle-effects-of-clitocybin-a-isolated-from-the-mycelium-of-the-mushroom-clitocybe-aurantiaca
#12
Joo-Eun Lee, Ik-Soo Lee, Kwan-Chul Kim, Ick-Dong Yoo, Han-Mo Yang
Clitocybin A, an isoindolinone from Clitocybe aurantiaca, was investigated to assess its anti-wrinkle properties, through reactive oxygen species (ROS) scavenging and elastase inhibitory activities, procollagen synthesis, and matrix metalloproteinase-1 (MMP-1) expression, in human dermal fibroblast (HDF-N) cells. Clitocybin A exhibited no significant cytotoxicity up to 10 ppm in HDF-N cells, with cell viability and cell proliferation activity greater than 94.6% and 91.9%, respectively. Strong and concentration-dependent ROS radical scavenging activities of clitocybin A were observed following irradiation with UVB at 30 mJ/cm²...
March 15, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28296940/direct-measurement-of-interaction-forces-between-bovine-serum-albumin-and-poly-ethylene-oxide-in-water-and-electrolyte-solutions
#13
Sergio M Acuña, José M Bastías, Pedro G Toledo
The net interaction between a probe tip coated with bovine serum albumin (BSA) protein and a flat substrate coated with poly(ethylene oxide) (PEO) polymer was measured directly on approach in water and electrolyte solutions using AFM. The approach force curve between the two surfaces was monotonically repulsive in water and in electrolyte solutions. At pH ~5, slightly above the isoelectric point (pI) of BSA, and at large distances, the force was dominated by electrostatic repulsion between the oxygen atoms of the incoming protein with those belonging to the ether groups of PEO...
2017: PloS One
https://www.readbyqxmd.com/read/28295137/mushroom-consumption-and-incident-dementia-in-elderly-japanese-the-ohsaki-cohort-2006-study
#14
Shu Zhang, Yasutake Tomata, Kemmyo Sugiyama, Yumi Sugawara, Ichiro Tsuji
BACKGROUND: Both in vivo and in vitro studies have indicated that edible mushrooms may have preventive effects against cognitive impairment. However, few cohort studies have yet examined the relationship between mushroom consumption and incident dementia. OBJECTIVE: We examined the relationship between mushroom consumption and incident dementia in a population of elderly Japanese subjects. DESIGN: Prospective cohort study. SETTING: Ohsaki Cohort 2006 Study...
March 13, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28293919/-extracorporeal-liver-support-of-liver-failure
#15
Hans Ulrich Gerth, Michele Pohlen, Hermann Pavenstädt, Hartmut Schmidt
Extracorporeal liver support can be classified into cell-free, artificial methods (artificial liver support, ALS) and cell-based bioartificial methods (bioartificial liver support, BLS). ALS improves biochemical parameters of liver failure by the simultaneous removal of protein-bound and water-soluble substances. Here, the MARS therapy belongs to the most studied methods with a proved beneficial effect on hepatic encephalopathy (HE), hepatorenal syndrome (HRS) or hyperbilirubinemia. However, a general survival advantage of any liver support for liver failure has not been shown yet and is restricted to meta-analyses or patient subgroups...
March 14, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28291354/regulation-of-respiratory-pathway-and-electron-transport-chain-in-relation-to-senescence-of-postharvest-white-mushroom-agaricus-bisporus-under-high-o2-co2-controlled-atmospheres
#16
Ling Li, Hiroaki Kitazawa, Xiangyou Wang, Han Sun
In order to study the respiration metabolism mechanism based on the generation of adenosine triphosphate (ATP) and reactive oxygen species (ROS) and nitric oxide (NO) by the electron transport chain (ETC) of the white mushroom under high O2/CO2 controlled atmospheres (CA), the treatments of 100% O2, 80% O2 + 20% CO2, 60% O2 + 40% CO2 and 40% O2 + 60% CO2 were employed and natural air was used as the control. ATP and energy charge can maintain the membrane integrity and function, life activities and physic-chemical reactions of high plants...
March 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28290307/a-probable-case-of-legg-calv%C3%A3-perthes-disease-in-warring-states-era-china
#17
Elizabeth Berger, Liang Chen, Zhouyong Sun, Zhanwei Sun
Reports of Legg-Calvé-Perthes disease (LCPD) in the paleopathological literature are rare. Here, the authors present a probable case of LCPD, which presents as abnormal morphology of the proximal femur. The condition was observed in an individual of the Warring States period in Shaanxi Province, China, and the morphology involves a "mushroom head" deformity of the proximal right femur and an enlarged acetabulum, along with a contralateral tibia, talus, and navicular that are enlarged and demonstrate periosteal new bone formation...
March 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28286830/mushroom-poisoning-in-the-northeast-of-iran-a-retrospective-6-year-epidemiologic-study
#18
Bita Dadpour, Shahrad Tajoddini, Maliheh Rajabi, Reza Afshari
INTRODUCTION: Toxic mushrooms are distributed across the globe with over 5000 species. Among them, 100 species are responsible for most of the cases of mushroom poisoning. This study aimed to evaluate the epidemiologic pattern of mushroom poisoning among patients referred to the main toxicology center of Mashhad province located in North-east of Iran. METHOD: This cross-sectional study was conducted on patients with final diagnosis of mushroom poisoning referred to the toxicology center of Mashhad, Iran, from February 2005 to 2011...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28286150/antimicrobial-activity-of-crude-fractions-and-morel-compounds-from-wild-edible-mushrooms-of-north-western-himalaya
#19
Nowsheen Shameem, Azra N Kamili, Mushtaq Ahmad, F A Masoodi, Javid A Parray
The antimicrobial properties of morel compounds from wild edible mushrooms (Morchella esculenta and Verpa bohemica) from Kashmir valley was investigated against different clinical pathogens. The butanol crude fraction of most popular or true morel M. esculenta showed highest 19 mm IZD against E.coli while as same fraction of Verpa bohemica exhibited 15 mm IZD against same strain. The ethyl acetate and butanol crude fractions of both morels also exhibited good antifungal activity with highest IZD shown against A...
March 7, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28285534/the-use-of-saccharomyces-cerevisiae-to-reduce-the-bioaccessibility-of-mercury-from-food
#20
Carlos Jadán-Piedra, Marta Baquedano, Sergi Puig, Dinoraz Velez, Vicenta Devesa
Food is the main pathway of exposure to inorganic mercury [Hg(II)] and methylmercury (CH3Hg). Intestinal absorption of these mercury species is influenced by their chemical form, the luminal pH or the diet composition. In this regard, strategies have been proposed for reducing mercury absorption using dietary components. The present study evaluates the capacity of Saccharomyces cerevisiae to reduce the amount of mercury solubilized after gastrointestinal digestion which is available for intestinal absorption (bioaccessibility)...
March 13, 2017: Journal of Agricultural and Food Chemistry
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