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https://www.readbyqxmd.com/read/28229436/purification-and-characterization-of-a-novel-ubiquitin-like-antitumour-protein-with-hemagglutinating-and-deoxyribonuclease-activities-from-the-edible-mushroom-ramaria-botrytis
#1
Rong Zhou, Ya-Jie Han, Min-Hui Zhang, Ke-Ren Zhang, Tzi Bun Ng, Fang Liu
A novel ubiquitin-like antitumour protein (RBUP) was isolated from fruiting bodies of the edible mushroom Ramaria botrytis. The protein was isolated with a purification protocol involving ion exchange chromatography on DEAE-Sepharose fast flow and gel filtration on Sephadex G-75. SDS-PAGE, Native-PAGE and ultracentrifugation analysis disclosed that RBUP was a monomeric protein with a molecular weight of 18.5 kDa. ESI-MS/MS demonstrated that it shared 69% amino acid sequence similarity with Coprinellus congregates ubiquitin (gi|136667)...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28229215/sequence-analysis-and-expression-of-a-blue-light-photoreceptor-gene-slwc-1-from-the-cauliflower-mushroom-sparassis-latifolia
#2
Chi Yang, Lu Ma, Zhenghe Ying, Xiaoling Jiang, Yanquan Lin
Light is a necessary environmental factor for fruit body formation and development of the cauliflower mushroom Sparassis latifolia, a well-known edible and medicinal fungus. In this study, we firstly characterized the SP-C strain, which belonged to S. latifolia. And then we cloned and sequenced a photoreceptor gene (Slwc-1) from S. latifolia. The product of Slwc-1, SlWC-1 (872 aa residues) contained a coiled-coil region, a LOV domain, and two PAS domains. Phylogenetic tree result showed that SLWC-1 was most close to GfWC-1 from Grifola frondosa in edible and medicinal fungus...
February 22, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28223318/a-drosophila-model-of-fragile-x-syndrome-exhibits-defects-in-phagocytosis-by-innate-immune-cells
#3
Reed M O'Connor, Elizabeth F Stone, Charlotte R Wayne, Emily V Marcinkevicius, Matt Ulgherait, Rebecca Delventhal, Meghan M Pantalia, Vanessa M Hill, Clarice G Zhou, Sophie McAllister, Anna Chen, Jennifer S Ziegenfuss, Wesley B Grueber, Julie C Canman, Mimi M Shirasu-Hiza
Fragile X syndrome, the most common known monogenic cause of autism, results from the loss of FMR1, a conserved, ubiquitously expressed RNA-binding protein. Recent evidence suggests that Fragile X syndrome and other types of autism are associated with immune system defects. We found that Drosophila melanogaster Fmr1 mutants exhibit increased sensitivity to bacterial infection and decreased phagocytosis of bacteria by systemic immune cells. Using tissue-specific RNAi-mediated knockdown, we showed that Fmr1 plays a cell-autonomous role in the phagocytosis of bacteria...
February 21, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28220999/the-drosophila-divalent-metal-ion-transporter-malvolio-is-required-in-dopaminergic-neurons-for-feeding-decisions
#4
Eirik Søvik, Angela LaMora, Gurpreet Seehra, Andrew B Barron, Jennifer G Duncan, Yehuda Ben-Shahar
Members of the Natural resistance-associated macrophage protein (NRAMP) family are evolutionarily-conserved metal ion transporters that play an essential role in regulating intracellular divalent cation homeostasis in both prokaryotes and eukaryotes. Malvolio (Mvl), the sole NRAMP family member in insects, plays a role in food choice behaviors in Drosophila and other species. However, the specific physiological and cellular processes that require the action of Mvl for appropriate feeding decisions remain elusive...
February 21, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28215558/optimal-degrees-of-synaptic-connectivity
#5
Ashok Litwin-Kumar, Kameron Decker Harris, Richard Axel, Haim Sompolinsky, L F Abbott
Synaptic connectivity varies widely across neuronal types. Cerebellar granule cells receive five orders of magnitude fewer inputs than the Purkinje cells they innervate, and cerebellum-like circuits, including the insect mushroom body, also exhibit large divergences in connectivity. In contrast, the number of inputs per neuron in cerebral cortex is more uniform and large. We investigate how the dimension of a representation formed by a population of neurons depends on how many inputs each neuron receives and what this implies for learning associations...
February 16, 2017: Neuron
https://www.readbyqxmd.com/read/28188850/immunolocalization-of-the-vesicular-acetylcholine-transporter-in-larval-and-adult-drosophila-neurons
#6
Sridhar Boppana, Natalie Kendall, Opeyemi Akinrinsola, Daniel White, Krushali Patel, Hakeem Lawal
Vesicular acetylcholine transporter (VAChT) function is essential for organismal survival, mediating the packaging of acetylcholine (ACh) for exocytotic release. However, its expression pattern in the Drosophila brain has not been fully elucidated. To investigate the localization of VAChT, we developed an antibody against the C terminal region of the protein and we show that this antibody recognizes a 65KDa protein corresponding to VAChT on an immunoblot in both Drosophila head homogenates and in Schneider 2 cells...
February 7, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28174115/antioxidant-and-antigenotoxic-potential-of-ramaria-largentii-marr-d-e-stuntz-a-wild-edible-mushroom-collected-from-northeast-romania
#7
Ana Clara Aprotosoaie, Daniela Elena Zavastin, Cosmin-Teodor Mihai, Gabriela Voichita, Daniela Gherghel, Mihaela Silion, Adriana Trifan, Anca Miron
Ramaria largentii Marr & D. E. Stuntz (orange coral mushroom) is a wild edible mushroom whose chemical composition and bioactivity have not been investigated. Herein, we present a study on the phenolic constituents, antioxidant and antigenotoxic effects of a hydromethanolic extract of the fruiting bodies. Total phenolic content, estimated by Folin-Ciocalteu assay, was found to be 42.33 ± 0.18 mg GAE/g. Protocatechuic and vanillic acids were detected by HPLC-DAD-ESI-MS. The extract showed good free radical scavenging and reducing capacities (EC50 = 64...
February 4, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28169433/multisensory-integration-in-lepidoptera-insights-into-flower-visitor-interactions
#8
Michiyo Kinoshita, Finlay J Stewart, Hisashi Ômura
As most work on flower foraging focuses on bees, studying Lepidoptera can offer fresh perspectives on how sensory capabilities shape the interaction between flowers and insects. Through a combination of innate preferences and learning, many Lepidoptera persistently visit particular flower species. Butterflies tend to rely on their highly developed sense of colour to locate rewarding flowers, while moths have evolved sophisticated olfactory systems towards the same end. However, these modalities can interact in complex ways; for instance, butterflies' colour preference can shift depending on olfactory context...
February 7, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28164781/long-range-projection-neurons-in-the-taste-circuit-of-drosophila
#9
Heesoo Kim, Colleen Kirkhart, Kristin Scott
Taste compounds elicit innate feeding behaviors and act as rewards or punishments to entrain other cues. The neural pathways by which taste compounds influence innate and learned behaviors have not been resolved. Here, we identify three classes of taste projection neurons (TPNs) in Drosophila melanogaster distinguished by their morphology and taste selectivity. TPNs receive input from gustatory receptor neurons and respond selectively to sweet or bitter stimuli, demonstrating segregated processing of different taste modalities...
February 6, 2017: ELife
https://www.readbyqxmd.com/read/28158189/insect-bio-inspired-neural-network-provides-new-evidence-on-how-simple-feature-detectors-can-enable-complex-visual-generalization-and-stimulus-location-invariance-in-the-miniature-brain-of-honeybees
#10
Mark Roper, Chrisantha Fernando, Lars Chittka
The ability to generalize over naturally occurring variation in cues indicating food or predation risk is highly useful for efficient decision-making in many animals. Honeybees have remarkable visual cognitive abilities, allowing them to classify visual patterns by common features despite having a relatively miniature brain. Here we ask the question whether generalization requires complex visual recognition or whether it can also be achieved with relatively simple neuronal mechanisms. We produced several simple models inspired by the known anatomical structures and neuronal responses within the bee brain and subsequently compared their ability to generalize achromatic patterns to the observed behavioural performance of honeybees on these cues...
February 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28154487/evaluation-of-antioxidant-anti-cholinesterase-and-anti-inflammatory-effects-of-culinary-mushroom-pleurotus-pulmonarius
#11
Trung Kien Nguyen, Kyung Hoan Im, Jaehyuk Choi, Pyung Gyun Shin, Tae Soo Lee
Culinary mushroom Pleurotus pulmonarius has been popular in Asian countries. In this study, the anti-oxidant, cholinesterase, and inflammation inhibitory activities of methanol extract (ME) of fruiting bodies of P. pulmonarius were evaluted. The 1,1-diphenyl-2-picryl-hydrazy free radical scavenging activity of ME at 2.0 mg/mL was comparable to that of butylated hydroxytoluene, the standard reference. The ME exhibited significantly higher hydroxyl radical scavenging activity than butylated hydroxytoluene. ME showed slightly lower but moderate inhibitory activity against acetylcholinesterase (AChE) and butyrylcholinesterase than galantamine, a standard AChE inhibitor...
December 2016: Mycobiology
https://www.readbyqxmd.com/read/28154486/viral-effects-of-a-dsrna-mycovirus-pov-asi2792-on-the-vegetative-growth-of-the-edible-mushroom-pleurotus-ostreatus
#12
Ha-Yeon Song, Hyo-Jin Choi, Hansaem Jeong, Dahye Choi, Dae-Hyuk Kim, Jung-Mi Kim
A double-stranded RNA (dsRNA) mycovirus was detected in malformed fruiting bodies of Pleurotus ostreatus strain ASI2792, one of bottle cultivated commercial strains of the edible oyster mushroom. The partial RNA-dependent RNA polymerase (RdRp) gene of the P. ostreatus ASI2792 mycovirus (PoV-ASI2792) was cloned, and a cDNA sequences alignment revealed that the sequence was identical to the RdRp gene of a known PoSV found in the P. ostreatus strain. To investigate the symptoms of PoV-ASI2792 infection by comparing the isogenic virus-free P...
December 2016: Mycobiology
https://www.readbyqxmd.com/read/28150146/radioactive-artificial-137-cs-and-natural-40-k-activity-in-21-edible-mushrooms-of-the-genus-boletus-species-from-sw-china
#13
Jerzy Falandysz, Ji Zhang, Tamara Zalewska
This study, for the first time, presents the results of activity concentration determinations for (137)Cs and (40)K in a high number (21 species, 87 composite samples, and 807 fruiting bodies) of mushrooms of the genus Boletus from across Yunnan in 2011-2014 and Sichuan (Boletus tomentipes) using high-resolution high-purity germanium detector. Activity concentrations of (137)Cs demonstrated some variability and range from <4.4 to 83 ± 3 Bq kg(-1) dry biomass in caps and from <3.8 to 37 ± 3 Bq kg(-1) dry biomass in stipes, and of (40)K, respectively, from 420 ± 41 to 1300 ± 110 and from 520 ± 61 to 1300 ± 140 Bq kg(-1) dry biomass...
February 1, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28149172/yield-size-nutritional-value-and-antioxidant-activity-of-oyster-mushrooms-grown-on-perilla-stalks
#14
Huizhen Li, Zhijun Zhang, Mengxue Li, Xiaojun Li, Ziwen Sun
Perilla is an edible medical plant with rapidly increasing acreage in China. In this study, we investigated the potential of perilla stalks (PSs) as an alternative substrate for the cultivation of oyster mushrooms (Pleurotus ostreatus). P. ostreatus was cultivated on cottonseed hulls (CSH) alone or mixed with PSs in different ratios. The production parameters, physical characteristics, nutritional values, and antioxidant activity of mushrooms cultivated on different substrate mixtures were determined. The addition of PSs to CSH significantly improved the growth rate, yield, biological efficiency, and proximate composition and shortened the cultivation cycle...
February 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28129885/renoprotective-chemical-constituents-from-an-edible-mushroom-pleurotus-cornucopiae-in-cisplatin-induced-nephrotoxicity
#15
Seoung Rak Lee, Dahae Lee, Hae-Jeung Lee, Hyung Jun Noh, Kiwon Jung, Ki Sung Kang, Ki Hyun Kim
Pleurotus cornucopiae (Pleurotaceae) is an edible and medicinal mushroom widely distributed in Korea, China, and Japan. The MeOH extract of the fruiting bodies of P. cornucopiae showed renoprotective effects against cisplatin-induced kidney cell damage. Chemical investigation of the MeOH extract led to the isolation and identification of 12 compounds including noransine (1), uridine (2), uracil (3), (3β, 5α, 6β, 22E, 24S) -ergosta-7, 22-diene-3, 5, 6, 9-tetrol (4), (22E,24S)-ergosta-7,22-diene-3β,5α,6β-triol (5), (22E,24R)-ergosta-8(14),22-diene-3β,5α,6β,7α-tetrol (6), cerebroside B (7), (2R) -N- [(1S, 2R, 3E, 7E) -1- [(β-d-glucopyranosyloxy) methyl] -2-hydroxy-8-methyl-3, 7-heptadecadien-1-yl] -2-hydroxy-heptadecanamide (8), cerebroside D (9), nicotinamide (10), 1,2-bis(hydroxymethyl)-4,5-dimethoxybenzene (11), and benzoic acid (12)...
January 19, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28125738/antimelanogenic-antioxidant-and-antiproliferative-effects-of-antrodia-camphorata-fruiting-bodies-on-b16-f0-melanoma-cells
#16
Jyh-Jye Wang, Chih-Chung Wu, Chun-Lin Lee, Shu-Ling Hsieh, Jin-Bor Chen, Chu-I Lee
Antrodia camphorata is a fungus that is endemic to Taiwan, and its fruiting body has been used as a folk medicine for the prevention or treatment of diverse diseases. The present study is aimed at investigating the antimelanogenesis and antioxidation effect of the ethanolic extract of Antrodia camphorata fruiting body (EE-AC), as well as its antiproliferation effects in B16-F0 melanoma cells. Regarding antimelanogenic effects, EE-AC had effective cupric ions reducing capacity and expressed more potent inhibitory effect than kojic acid on mushroom tyrosinase activity...
2017: PloS One
https://www.readbyqxmd.com/read/28125633/new-insights-into-the-complex-relationship-between-weight-and-maturity-of-burgundy-truffles-tuber-aestivum
#17
Ulf Büntgen, István Bagi, Oszkár Fekete, Virginie Molinier, Martina Peter, Richard Splivallo, Maryam Vahdatzadeh, Franck Richard, Claude Murat, Willy Tegel, Ulrich Stobbe, Fernando Martínez-Peña, Ludger Sproll, Lisa Hülsmann, Daniel Nievergelt, Barbara Meier, Simon Egli
Despite an increasing demand for Burgundy truffles (Tuber aestivum), gaps remain in our understanding of the fungus' overall lifecycle and ecology. Here, we compile evidence from three independent surveys in Hungary and Switzerland. First, we measured the weight and maturity of 2,656 T. aestivum fruit bodies from a three-day harvest in August 2014 in a highly productive orchard in Hungary. All specimens ranging between 2 and 755 g were almost evenly distributed through five maturation classes. Then, we measured the weight and maturity of another 4,795 T...
2017: PloS One
https://www.readbyqxmd.com/read/28124290/bulk-isolation-of-basidiospores-from-wild-mushrooms-by-electrostatic-attraction-with-low-risk-of-microbial-contaminations
#18
Kiran Lakkireddy, Ursula Kües
The basidiospores of most Agaricomycetes are ballistospores. They are propelled off from their basidia at maturity when Buller's drop develops at high humidity at the hilar spore appendix and fuses with a liquid film formed on the adaxial side of the spore. Spores are catapulted into the free air space between hymenia and fall then out of the mushroom's cap by gravity. Here we show for 66 different species that ballistospores from mushrooms can be attracted against gravity to electrostatic charged plastic surfaces...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28121274/multi-elemental-analysis-of-lentinula-edodes-mushrooms-available-in-trade
#19
Mirosław Mleczek, Marek Siwulski, Piotr Rzymski, Przemysław Niedzielski, Monika Gąsecka, Agnieszka Jasińska, Sylwia Budzyńska, Anna Budka
The present study investigated the content of 62 elements in the fruiting bodies of Lentinula edodes (Shiitake mushroom) cultivated commercially in Poland on various substrates from 2007-2015. The general mean content (mg kg(-1) dry weight (DW)) of the studied elements ranked in the following order: K (26,335) > P (11,015) > Mg (2,284) > Ca (607) > Na (131) > Zn (112) > Fe (69) > Mn (33) > B (32) > Rb (17) > Cu (14.5) > Al (11.2) > Te (2.9) > As (1.80) > Cd (1.76) > Ag (1...
March 4, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28121273/the-relationship-between-metal-composition-phenolic-acid-and-flavonoid-content-in-imleria-badia-from-non-polluted-and-polluted-areas
#20
Monika Gąsecka, Piotr Rzymski, Mirosław Mleczek, Marek Siwulski, Sylwia Budzyńska, Zuzanna Magdziak, Przemysław Niedzielski, Krzysztof Sobieralski
The aim of this study was to determine the elemental composition, phenolic content and composition and antioxidant properties of Imleria badia (Fr.) Vizzini (former names Boletus badius (Fr.) Fr., and Xerocomus badius (Fr.) E.-J. Gilbert) fruiting bodies collected from sites with different levels of pollution. Imleria badia was relatively tolerant to soil contamination with toxic elements and was able to grow in As, Cd, Hg and Pb concentrations exceeding 15, 2.9, 0.4 and 77 mg kg(-1), respectively. The concentration of elements in soil was reflected in the element content in I...
March 4, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
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