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Ink cap mushroom

Guocheng Huang, Weixi Cai, Baojun Xu
Mushrooms are a great source of vitamin D and vitamin B2; however, the content of these vitamins in dried mushrooms has not fully been investigated. Thus, the objectives of this study were to determine the contents of vitamin D2, ergosterol, and vitamin B2 in commercially dried edible mushrooms in China and to investigate the effect of UV-C irradiation on fresh mushrooms. Among the 35 species of dried mushrooms considered for this study, the average ergosterol content was 1.98 mg/g, while the average vitamin D2 content was 16...
November 21, 2016: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
Amal Rouhana-Toubi, Solomon P Wasser, Fuad Fares
In a previous study, ethyl acetate extract of Coprinus comatus was found to reduce viability of human ovarian cancer cells. The objective of the current research was to clarify the mechanism of action of this extract. Ovarian cancer cells (ES-2) were subjected to ethyl acetate extract of C. comatus for different concentrations or exposure times. Cell cycle analysis and annexin V staining were performed using an automated flow cytometer. DNA fragmentation was detected using the TUNEL assay. Western blot analysis was performed for the assessment of activation of caspases -3, -8, and -9...
2015: International Journal of Medicinal Mushrooms
Wei Wang, Zhibiao Di, Ruiguo Li, Jingzhen Tian
Coprinus comatus, a novel cultivated edible mushroom, has a various of pharmacological effects due to its many active components. In this study, agaricoglycerides, a new class of fungal secondary metabolites that have strong activity against neurolysin, were isolated from C. comatus mycelia. Simultaneously, a 3-level Box-Behnken factorial design was used, combined with response surface methodology, to optimize the precursor composition of agaricoglycerides for the production of agaricoglyceride A. The model estimated that a maximal yield of agaricoglyceride A (20...
2015: International Journal of Medicinal Mushrooms
Shuai Zhou, Yanfang Liu, Yan Yang, Qingjiu Tang, Jingsong Zhang
Three polysaccharide fractions from fruiting bodies of Coprinus comatus-CC30, CC60, and CC80-are obtained by water extraction and ethanol precipitation with ethanol percentages of 30%, 60%, and 80%, respectively. The hypoglycemic activity of the three fractions was tested based on mice with alloxan-induced diabetes. Results indicate that fraction CC60 is the most effective fraction in water extract from C. comatus; it can remarkably reduce the blood glucose concentration in 120 min at a dosage of 1000 mg/kg administered orally...
2015: International Journal of Medicinal Mushrooms
Jerzy Falandysz
The Shaggy Ink Cap (Coprinus comatus), which is a common in wild in northern hemisphere was examined in field for potential to be used as possible bio-extractor of Hg from polluted grounds but also as possible bioindicator of urban soils (roadside, barren lands, lawns) pollution with Hg. The contents of Hg in caps and stipes of C. comatus from the grounds examined in this study correlated positively with the levels of soil contamination. Analysis of sets of data available worldwide on Hg in C. comatus and soils beneath-fruiting bodies showed on a positive correlation between degree of soil and mushroom contamination...
April 2016: Environmental Science and Pollution Research International
M P Challen, T J Elliott
Secondarily homothallic basidiomycetes, of which the cultivated mushroom Agaricus bisporus is an example, produce both self-fertile and non self-fertile spores. The random migration of nuclei from the basidia to give binucleate spores provides the simplest explanation for the regulation of breeding behaviour in this group of fungi. To test the predictions of the random migration hypothesis, the segregation of mating-type, auxotrophy and antimetabolite resistance has been determined in the secondarily homothallic ink-cap fungus, Coprinus bilanatus...
October 1989: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
Carmen de Sena-Tomás, Mónica Navarro-González, Ursula Kües, José Pérez-Martín
The fungal fruiting body or mushroom is a multicellular structure essential for sexual reproduction. It is composed of dikaryotic cells that contain one haploid nucleus from each mating partner sharing the same cytoplasm without undergoing nuclear fusion. In the mushroom, the pileus bears the hymenium, a layer of cells that includes the specialized basidia in which nuclear fusion, meiosis, and sporulation occur. Coprinopsis cinerea is a well-known model fungus used to study developmental processes associated with the formation of the fruiting body...
September 2013: Genetics
Mario Schubert, Silvia Bleuler-Martinez, Alex Butschi, Martin A Wälti, Pascal Egloff, Katrin Stutz, Shi Yan, Mayeul Collot, Jean-Maurice Mallet, Iain B H Wilson, Michael O Hengartner, Markus Aebi, Frédéric H-T Allain, Markus Künzler
Discrimination between self and non-self is a prerequisite for any defence mechanism; in innate defence, this discrimination is often mediated by lectins recognizing non-self carbohydrate structures and so relies on an arsenal of host lectins with different specificities towards target organism carbohydrate structures. Recently, cytoplasmic lectins isolated from fungal fruiting bodies have been shown to play a role in the defence of multicellular fungi against predators and parasites. Here, we present a novel fruiting body lectin, CCL2, from the ink cap mushroom Coprinopsis cinerea...
2012: PLoS Pathogens
Chunjing Zhang, Xiaodan Qi, Yan Shi, Yan Sun, Shuyan Li, Xiulan Gao, Haitao Yu
The present paper is mainly aimed at optimization of cultivation conditions of fermented mushrooms of Coprinus comatus rich in vanadium (CCRV). Initial screening of effects of carbon source, temperature, pH, and inoculum size were done by using a one-factor-at-a-time method. The results obtained in that study showed that the optimal medium composition was 30 g glucose/Lin YEPG medium, initial pH 6.0, inoculum volume 10%, and incubation time 120 h. Then the medium was subjected to screening of the most significant parameters using the L9 orthogonal array to solve multivariable equations simultaneously...
2012: International Journal of Medicinal Mushrooms
Alexander Titz, Alex Butschi, Bernard Henrissat, Yao-Yun Fan, Thierry Hennet, Ebrahim Razzazi-Fazeli, Michael O Hengartner, Iain B H Wilson, Markus Künzler, Markus Aebi
Galectin CGL2 from the ink cap mushroom Coprinopsis cinerea displays toxicity toward the model nematode Caenorhabditis elegans. A mutation in a putative glycosyltransferase-encoding gene resulted in a CGL2-resistant C. elegans strain characterized by N-glycans lacking the beta1,4-galactoside linked to the alpha1,6-linked core fucose. Expression of the corresponding GALT-1 protein in insect cells was used to demonstrate a manganese-dependent galactosyltransferase activity. In vitro, the GALT-1 enzyme showed strong selectivity for acceptors with alpha1,6-linked N-glycan core fucosides and required Golgi- dependent modifications on the oligosaccharide antennae for optimal synthesis of the Gal-beta1,4-fucose structure...
December 25, 2009: Journal of Biological Chemistry
Martin A Wälti, Cristina Villalba, Reto M Buser, Anke Grünler, Markus Aebi, Markus Künzler
The ink cap Coprinopsis cinerea is a model organism for studying fruiting body (mushroom) formation in homobasidiomycetes. Mutant screens and expression studies have implicated a number of genes in this developmental process. Functional analysis of these genes, however, is hampered by the lack of reliable reverse genetics tools for C. cinerea. Here, we report the applicability of gene targeting by RNA silencing for this organism. Efficient silencing of both an introduced GFP expression cassette and the endogenous cgl1 and cgl2 isogenes was achieved by expression of homologous hairpin RNAs...
April 2006: Eukaryotic Cell
D Michelot
The ink cap--Coprinus atramentarius (Bulliard ex Fries) Fries--is responsible for poisoning when ingested with alcohol. The investigation of the "Coprinus syndrome," although a minor poisoning incident, stimulated numerous research programs because the results were expected to yield a novel drug useful during the treatment of alcoholism. This work led to the identification of the active principle--coprine--and to an explanation of its mode of action; nevertheless, detailed toxicology investigations have shown that the mutagenic and gonadotoxic properties of this compound made it unsuitable for therapeutic use...
1992: Natural Toxins
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