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https://www.readbyqxmd.com/read/29793142/synthesis-of-aryl-pyrazole-via-suzuki-coupling-reaction-in-vitro-mushroom-tyrosinase-enzyme-inhibition-assay-and-in-silico-comparative-molecular-docking-analysis-with-kojic-acid
#1
Pervaiz Ali Channar, Aamer Saeed, Fayaz Ali Larik, Bakhtawar Batool, Saima Kalsoom, M M Hasan, Mauricio F Erben, Hesham R El-Seedi, Musrat Ali, Zaman Ashraf
Aryl pyrazoles are well recognized class of heterocyclic compounds found in several commercially available drugs. Owing to their significance in medicinal chemistry, in this current account we have synthesized a series of suitably substituted aryl pyrazole by employing Suzuki cross-coupling reaction. All compounds were evaluated for inhibition of mushroom tyrosinase enzyme both in vitro and in silico. Compound 3f (IC50  = 1.568 ± 0.01 µM) showed relatively better potential compared to reference kojic acid (IC50  = 16...
April 30, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29792906/four-novel-antibacterial-sesquiterpene-%C3%AE-amino-acid-quaternary-ammonium-hybrids-from-the-mycelium-of-mushroom-stereum-hirsutum
#2
Yuan-Chang Duan, Jun Feng, Na Bai, Guo-Hong Li, Ke-Qin Zhang, Pei-Ji Zhao
The mushroom Stereum hirsutum is parasitized by Tremella aurantia to form a heterogeneous basidiocarp Jin'er, which has been used as food and folk medicine in Chinese society. In present work, the S. hirsutum was fermented in YMG broth, and four novel mixed terpenes, stereumamides A-D (1-4), which are sesquiterpenes combined with α-amino acids to form quaternary ammonium hybrids, were isolated from the Stereum hirsutum FP-91666 and their structures were elucidated by spectroscopic data analysis. Stereumamides A and D showed antibacterial activity against Escherichia coli, Staphylococcus aureus, and Salmonella typhimurium, with the minimum inhibitory concentration (MIC) values of 12...
May 21, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29790315/inhibitory-effects-of-mushroom-extracts-on-progression-of-carcinogenesis-in-mice
#3
Caroline Wasonga, Charles Omwandho
Hepatocellular carcinoma is a common primary malignancy of hepatocytes that has caused many fatalities globally. To manage the increasing cases of hepatocellular carcinoma, natural products like mushrooms have been tested for their anti-oxidant, anti-tumour and therapeutic properties. This study aimed to investigate the effect of Agaricus bisporus on progression of chemically induced carcinogenesis in mice. Carcinogenesis was induced in experimental and positive group of mice. Development and progression of carcinogenesis was monitored by quantifying levels of Lactate dehydrogenase, total sialic acid and by histological analysis...
May 2018: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/29790088/three-new-heptelidic-acid-derivatives-from-the-culture-of-mushroom-lentinellus-ursinus
#4
Li Liu, Jun-Jie Han, Tian-Shun Xu, Rui-Xing Liu, Li Bao, Hong-Wei Liu
Three new heptelidic acid derivatives (1-3) including two new dimeric esters and two known heptelidic acid analogues (4 and 5) were isolated from the solid culture of mushroom Lentinellus ursinus. The structures of new compounds were confirmed by the analysis of NMR and HRESIMS spectroscopic data. The biosynthetic origin of compounds 1-5 was postulated. Compounds 1-5 exhibited no antibacterial activity against Staphylococcus aureus and Escherichia coli at the dose of 100 μM.
May 22, 2018: Natural Products and Bioprospecting
https://www.readbyqxmd.com/read/29790031/effect-of-selenium-containing-biocomposites-from-medicinal-mushrooms-on-the-potato-ring-rot-causative-agent
#5
A I Perfileva, O M Tsivileva, Ya B Drevko, D N Ibragimova, O V Koftin
The impact of selenium biocomposites obtained from the medicinal macrobasidiomycetes Ganoderma lucidum, Grifola umbellata, Laetiporus sulphureus, Lentinula edodes, and Pleurotus ostreatus on the viability and biofilm formation capability of the phytopathogenic Gram-positive bacterium Clavibacter michiganensis ssp. sepedonicus (Spieck. et Kotth.) (Cms) was studied. Impairment of bacterial cell viability resulting from their incubation with biocomposites was shown. The decisive role of the composites' selenium component on the biological activity under question was established...
March 2018: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/29784414/source-attribution-profiling-of-five-species-of-amanita-mushrooms-from-four-european-countries-by-high-resolution-liquid-chromatography-mass-spectrometry-combined-with-multivariate-statistical-analysis-and-dna-barcoding
#6
Daniel Jansson, Arthur Wolterink, Leonie Bergwerff, Patrick Hough, Kris Geukens, Crister Åstot
Source attribution profiling of five species of Amanita mushrooms from four European countries was performed using Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS) combined with multivariate statistical analysis. Initially, species determination was carried out morphologically and was verified by DNA-analysis. This data was then combined with chemical profiling, generated from LC-HRMS full scan analysis. The untargeted data was processed and the 720 most abundant peaks in the LC-HRMS chromatogram were used to build a multivariate PLS-DA model...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29782816/a-new-microsporidium-apotaspora-heleios-n-g-n-sp-from-the-riverine-grass-shrimp-palaemonetes-paludosus-decapoda-caridea-palaemonidae
#7
Yuliya Y Sokolova, Robin M Overstreet
We report a new microsporidium from a key species of the estuarine communities of the Gulf States, the Riverine grass shrimp, Palaemonetes paludosus. A milky-white shrimp was found in the Mobile Bay Delta, a large, oligohaline-freshwater wetland in Alabama, USA. Light microscopy of smears and thick sections of the abdominal tissues demonstrated infection with microsporidian spores enclosed in sporophorous vesicles (SVs) in sets of eight. Broadly oval spores measured 2.9 ± 0.06 x 1.7 ± 0.03 µm (2.5-3.3 x 1...
May 18, 2018: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/29779874/a-gabaergic-feedback-shapes-dopaminergic-input-on-the-drosophila-mushroom-body-to-promote-appetitive-long-term-memory
#8
Alice Pavlowsky, Johann Schor, Pierre-Yves Plaçais, Thomas Preat
Memory consolidation is a crucial step for long-term memory (LTM) storage. However, we still lack a clear picture of how memory consolidation is regulated at the neuronal circuit level. Here, we took advantage of the well-described anatomy of the Drosophila olfactory memory center, the mushroom body (MB), to address this question in the context of appetitive LTM. The MB lobes, which are made by the fascicled axons of the MB intrinsic neurons, are organized into discrete anatomical modules, each covered by the terminals of a defined type of dopaminergic neuron (DAN) and the dendrites of a corresponding type of MB output neuron (MBON)...
May 9, 2018: Current Biology: CB
https://www.readbyqxmd.com/read/29778941/ecotoxicological-effects-of-the-insecticide-fipronil-in-brazilian-native-stingless-bees-melipona-scutellaris-apidae-meliponini
#9
Cássio Resende de Morais, Bruno Augusto Nassif Travençolo, Stephan Malfitano Carvalho, Marcelo Emílio Beletti, Vanessa Santana Vieira Santos, Carlos Fernando Campos, Edimar Olegário de Campos Júnior, Boscolli Barbosa Pereira, Maria Paula Carvalho Naves, Alexandre Azenha Alves de Rezende, Mário Antônio Spanó, Carlos Ueira Vieira, Ana Maria Bonetti
Melipona scutellaris Latreille, 1811 (Hymenoptera, Apidae) is a pollinator of various native and cultivated plants. Because of the expansion of agriculture and the need to ensure pest control, the use of insecticides such as fipronil (FP) has increased. This study aimed to evaluate the effects of sublethal doses of FP insecticide on M. scutellaris at different time intervals (6, 12, and 24 h) after exposure, via individually analyzed behavioral biomarkers (locomotor activity, behavioral change) as well as the effect of FP on different brain structures of bees (mushroom bodies, antennal cells, and optic cells), using sub-individual cell biomarkers (heterochromatin dispersion, total nuclear and heterochromatic volume)...
May 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29775914/current-radiological-situation-in-areas-of-ukraine-contaminated-by-the-chernobyl-accident-part-1-human-dietary-exposure-to-caesium-137-and-possible-mitigation-measures
#10
I Labunska, V Kashparov, S Levchuk, D Santillo, P Johnston, S Polishchuk, N Lazarev, Y Khomutinin
This study reports for the first time temporal trends for the period of 2011-2016 in 137 Cs content in cow's milk originating from private farms and households of 14 settlements located in the territories of the Rivne region, Ukraine. These areas are still radioactively contaminated as a result of the accident at the Chernobyl Nuclear Power Plant (ChNPP) in 1986. In 2016, the average 137 Cs activity concentration in milk exceeded the Ukrainian Permissible Level (PL) for adults of 100 Bq/l in samples from 6 settlements and the PL for children of 40 Bq/l in 8 settlements, reaching activity concentration of around 500 Bq/l in some samples...
May 15, 2018: Environment International
https://www.readbyqxmd.com/read/29775665/use-of-computational-fluid-dynamics-for-improving-freeze-dryers-design-and-process-understanding-part-1-modelling-the-lyophilisation-chamber
#11
Antonello A Barresi, Valeria Rasetto, Daniele L Marchisio
This manuscript shows how computational models, mainly based on Computational Fluid Dynamics (CFD), can be used to simulate different parts of an industrial freeze-drying equipment and to properly design them; in particular, the freeze-dryer chamber and the duct connecting the chamber with the condenser, with the valves and vanes eventually present are analysed in this work. In Part 1, it will be shown how CFD can be employed to improve specific designs, to perform geometry optimization, to evaluate different design choices and how it is useful to evaluate the effect on product drying and batch variance...
May 15, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29775426/impact-of-a-native-streptomyces-flavovirens-from-mushroom-compost-on-green-mold-control-and-yield-of-agaricus-bisporus
#12
Ljiljana Šantrić, Ivana Potočnik, Ljiljana Radivojević, Jelena Gajić Umiljendić, Emil Rekanović, Bojan Duduk, Svetlana Milijašević-Marčić
Thirty-five actinobacterial isolates, obtained from button mushroom (Agaricus bisporus) substrates (i.e., compost in different phases of composting, black peat or casing layer) in Serbia in 2014-2016 were tested in vitro against the causal agents of green mold in cultivated mushroom. Out of six most promising isolates, A06 induced 42.4% in vitro growth inhibition of Trichoderma harzianum T54, and 27.6% inhibition of T. aggressivum f. europaeum T77. The novel strain A06 was identified as Streptomyces flavovirens based on macroscopic and cultural characteristics and 16S rDNA sequence and used in mushroom growing room experiments...
May 18, 2018: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/29773815/the-trimeric-solution-structure-and-fucose-binding-mechanism-of-the-core-fucosylation-specific-lectin-phosl
#13
Kazuhiko Yamasaki, Tomoko Yamasaki, Hiroaki Tateno
The core α1-6 fucosylation-specific lectin from a mushroom Pholiota squarrosa (PhoSL) is a potential tool for precise diagnosis of cancers. This lectin consists of only 40 amino acids and can be chemically synthesized. We showed here that a synthesized PhoSL peptide formed a trimer by gel filtration and chemical cross-linking assays, and determined a structure of the PhoSL trimer by NMR. The structure possesses a β-prism motif with a three-fold rotational symmetry, where three antiparallel β-sheets are tightly connected by swapping of β-strands...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773477/selenium-bioaccumulation-and-associated-nutraceutical-properties-in-calocybe-indica-mushroom-cultivated-on-se-enriched-wheat-straw
#14
Himanshi Rathore, Abhishek Sharma, Shalinee Prasad, Satyawati Sharma
Calocybe indica was cultivated on wheat straw enriched with various concentrations of sodium selenite (Na2 SeO3 ), (2.5-40 μg/ml). The content of selenium (Se) in fruit bodies increased linearly by increasing the amount of Na2 SeO3 , although the biomass yield inhibited above 5 μg/ml. The fruit bodies accumulated inorganic Se into organic forms by integrating the Se into proteins (56%-68%), polysaccharides (22%-29%), and nucleic acids (1.4%-2.7%). Maximum protein content (25.31 g/100 g) was observed in fruit bodies harvested from the substrate enriched with 10 μg/ml Se...
May 15, 2018: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/29773009/cloning-and-characterization-of-promoters-of-the-fungal-immunomodulatory-protein-genes-from-ganoderma-spp-agaricomycetes-and-their-response-to-methyl-jasmonate-and-salicylic-acid
#15
Qi-Zhang Li, Yu-Zhou Chang, Kai-Qi Su, Xiao-Lei Wang, Xiao-Hui Bai, Xuan-Wei Zhou
Ganoderma mushrooms for medicinal use contain various bioactive compounds, but the genetic elements available for these medicinal mushrooms are still limited. In this study we cloned and analyzed the promoters of fungal immunomodulatory protein (FIP) genes from G. lucidum and G. atrum. FIP gene expression was induced by different concentrations of methyl jasmonate (MeJA) and salicylic acid (SA), and messenger RNA expression was detected by quantitative reverse-transcription polymerase chain reaction. The results provided 5' upstream sequences of FIP genes from G...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29773008/antimicrobial-cytotoxic-anti-inflammatory-and-antioxidant-activity-of-culinary-processed-shiitake-medicinal-mushroom-lentinus-edodes-agaricomycetes-and-its-major-sulfur-sensory-active-compound-lenthionine
#16
Kristyna Kupcova, Iveta Stefanova, Zuzana Plavcova, Jan Hosek, Pavel Hrouzek, Roman Kubec
The antimicrobial, cytotoxic, anti-inflammatory, and antioxidant properties of aqueous extracts of raw and culinary processed shiitake mushrooms were evaluated and compared with those of lenthionine (1,2,3,5,6-penta-thiepane), the principal aroma-bearing substance of the shiitake medicinal mushroom (Lentinus edodes). Antimicrobial activity was tested using a panel of 4 strains of bacteria, 2 yeasts, and 2 fungi. Cytotoxic properties were evaluated against 3 cell lines (HepG2, HeLa, PaTu), whereas the anti-inflammatory activity of tested samples was assayed based on their ability to attenuate the secretion of the cytokine tumor necrosis factor-α...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29773007/cell-proliferation-and-dna-repair-ability-of-ganoderma-neo-japonicum-agaricomycetes-an-indigenous-medicinal-mushroom-from-malaysia
#17
Wee Cheat Tan, Umah Rani Kuppusamy, Chia Wei Phan, Vikineswary Sabaratnam
Ganoderma neo-japonicum is an annual polypore that grows on decaying bamboo in the forests of Malaysia. The indigenous Temuan tribe uses this species as a medicinal mushroom to cure fever and epilepsy and to improve body strength. The potential use of G. neo-japonicum in genoprotection and DNA repair was established using a single-cell gel electrophoresis (comet) assay. The effects of the ethanol and hot aqueous extracts from wild and cultivated basidiocarps, solid substrate-fermented (SSF) wheat grains, and mycelia via submerged culture on H2O2-damaged murine RAW264...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29773006/antimelanogenesis-and-anti-inflammatory-activity-of-selected-culinary-medicinal-mushrooms
#18
Hazwani Mat Saad, Kae Shin Sim, Yee Shin Tan
Five culinary-medicinal mushrooms are commonly available in the Malaysian market: Agaricus bisporus (white and brown), Ganoderma lucidum, Hypsizygus marmoreus, Pleurotus floridanus, and P. pulmonarius. These species were selected for use in the current study, the aim of which was to investigate the antimelanogenesis and anti-inflammatory activity of these mushrooms in an attempt to evaluate their potential use in cosmeceuticals. Mushroom fruiting bodies were extracted with hot water, and the extracts were freeze-dried before testing...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29773005/anti-inflammatory-potential-of-in-vitro-cultures-of-the-white-button-mushroom-agaricus-bisporus-agaricomycetes-in-caco-2-cells
#19
Bozena Muszynska, Agata Grzywacz, Katarzyna Kala, Joanna Gdula-Argasinska
Agaricus bisporus (white button mushroom) is one of the most popular culinary-medicinal mushrooms worldwide. This species has for decades been the subject of numerous scientific studies. The aim of this study was to examine the pro- or anti-inflammatory properties of A. bisporus and biomass extracts from in vitro cultures growing in Oddoux medium enriched with α-linolenic acid in colon epithelial Caco-2 cells activated with lipopolysaccharide (LPS) and tumor necrosis factor (TNF)-α. Incubation of Caco-2 cells with A...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29773004/anti-inflammatory-activity-of-chemical-constituents-isolated-from-the-willow-bracket-medicinal-mushroom-phellinus-igniarius-agaricomycetes
#20
Zhe Jiang, Mei Jin, Wei Zhou, Ren Li, Yan Zhao, Xuejun Jin, Gao Li
Nuclear factor-κB (NF-κB) has an important role in immune response and inflammation. Phellinus igniarius (known as Sang huang in traditional Chinese medicine) has various pharmacologic effects. In this study, 19 chemical constituents (1-19) were isolated from the fruiting bodies of Ph. igniarius. Their structures were elucidated based on data from nuclear magnetic resonance spectroscopy and comparison with the literature. Overall, 3 compounds (2, 7, and 11) from this species were reported, to our knowledge for the first time...
2018: International Journal of Medicinal Mushrooms
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