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https://www.readbyqxmd.com/read/27918241/detection-of-oil-palm-root-penetration-by-agrobacterium-mediated-transformed-ganoderma-boninense-expressing-green-fluorescent-protein
#1
Nisha Thopla Govender, Mui-Yun Wong
A highly efficient and reproducible Agrobacterium-mediated transformation protocol for Ganoderma boninense was developed to facilitate observation of the early stage infection of basal stem rot (BSR). The method was proven amenable to different explants (basidiospore, protoplast and mycelium) of G. boninense. The transformation efficiency was highest (62%) under a treatment combination of protoplast explants and Agrobacterium strain LBA 4404 with successful expression of hygromycin (hyg) marker gene and gus-gfp fusion gene, under the control of heterologous p416 gpd promoter...
December 5, 2016: Phytopathology
https://www.readbyqxmd.com/read/27913287/ganoderma-atrum-polysaccharide-ameliorates-ros-generation-and-apoptosis-in-spleen-and-thymus-of-immunosuppressed-mice
#2
Wen-Juan Li, Lu Li, Weng-Ya Zhen, Le-Feng Wang, Meng Pan, Jia-Qian Lv, Fan Wang, Yu-Fei Yao, Shao-Ping Nie, Ming-Yong Xie
Ganoderma atrum polysaccharide (PSG-1) is a bioactive compound with antioxidant and immunomodulatory activities. The aim of this study was to determine the effect of PSG-1 on reactive oxygen species (ROS) generation and apoptosis in spleen and thymus of cyclophosphamide (CTX)-induced immunosuppressed mice. The results showed that PSG-1 protected mice against CTX-mediated immunosuppression, as evidenced by enhancing the ratios of thymus and spleen weights to body weight, promoting T cell and B cell survival, and increasing levels of TNF-α and IL-2...
November 29, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27912745/ganoderma-lucidum-beta-1-3-1-6-glucan-as-an-immunomodulator-in-inflammation-induced-by-a-high-cholesterol-diet
#3
Yu-Sheng Wu, Shu-Ying Ho, Fan-Hua Nan, Shiu-Nan Chen
BACKGROUND: Binding of beta 1,3/1,6 glucan of Ganoderma lucidum (G. lucidum) with the receptor results in a series of signal transfers (signalling cascades), which activates the transcription factors for regulating inflammation. Excess cholesterol intake leads to an increase in the distance between fat cells and capillaries, which may cause hypoxia in the fat tissue of obese mice. This hypoxia induces the death of fat cells, resulting in the inflammation of adipose tissue or an increase in the inflammatory gene expression associated with obesity...
December 3, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27910789/methoxyflavones-from-new-lingzhi-medicinal-mushroom-ganoderma-lingzhi-agaricomycetes
#4
Kuniyoshi Shimizu, Yhiya M Amen, Satoru Kaifuchi
Ganoderma lingzhi is one of the most famous medicinal fungi in the world. It has been used in folk medicine, especially in East Asian countries. It is also a white-rot fungus with strong wood degradation ability, especially against lignin. Different classes of bioactive natural products have been reported in Ganoderma, including triterpenes, polysaccharides, sterols, and peptides. The triterpenes and polysaccharides are the primary bioactive compounds of Ganoderma. We report for the first time the presence of 3 methoxyflavones as minor constituents in G...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910775/hepatoprotective-effects-and-mechanisms-of-action-of-triterpenoids-from-lingzhi-or-reishi-medicinal-mushroom-ganoderma-lucidum-agaricomycetes-on-%C3%AE-amanitin-induced-liver-injury-in-mice
#5
Huihui Wu, Shanshan Tang, Zhaoqin Huang, Qian Zhou, Ping Zhang, Zuohong Chen
Most fatal mushroom poisonings are caused by species of the genus Amanita; the amatoxins are responsible for acute liver failure and death in humans. Ganoderma lucidum is a well-known traditional medicinal mushroom that has been shown to have obvious hepatoprotective effects. This study evaluated the hepatoprotective effects of triterpenoids from G. lucidum on liver injury induced by a-amanitin (α-AMA) in mice and the mechanisms of action of these triterpenoids, including radical scavenging and antiapoptosis activities...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910768/pharmacological-properties-of-biocompounds-from-spores-of-the-lingzhi-or-reishi-medicinal-mushroom-ganoderma-lucidum-agaricomycetes-a-review
#6
Carlos Ricardo Soccol, Lucas Yamasaki Bissoqui, Cristine Rodrigues, Rosalia Rubel, Sandra R B R Sella, Fan Leifa, Luciana Porto de Souza Vandenberghe, Vanete Thomaz Soccol
Ganoderma lucidum is a well-known representative of mushrooms that have been used in traditional Chinese medicine for centuries. New discoveries related to this medicinal mushroom and its biological properties are frequently reported. However, only recently have scientists started to pay special attention to G. lucidum spores. This is in part because of the recent development of methods for breaking the spore wall and extracting biocompounds from the spore. Although some research groups are working with G. lucidum spores, data in the literature are still limited, and the methods used have not been systematized...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910761/investigation-of-requisites-for-the-optimal-mycelial-growth-of-the-lingzhi-or-reishi-medicinal-mushroom-ganoderma-lucidum-agaricomycetes-on-oil-palm-biomass-in-malaysia
#7
Surya Sudheer, Asgar Ali, Sivakumar Manickam
Rigorous research has been carried out regarding the cultivation of Ganoderma lucidum using different agricultural residues. Nevertheless, large-scale cultivation and the separation of active compounds of G. lucidum are still challenges for local farmers. The objective of this study was to evaluate the use of oil palm waste fibers such as empty fruit bunch fibers and mesocarp fibers as effective substrates for the growth of G. lucidum mycelia to study the possibility of solid-state cultivation and to determine the optimum conditions necessary for the growth of mycelia of this mushroom on these waste fibers...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910760/immunomodulation-effect-of-aqueous-extract-of-the-artist-s-conk-medicinal-mushroom-ganoderma-applanatum-agaricomycetes-on-the-rainbow-trout-oncorhynchus-mykiss
#8
Azadeh Manayi, Mahdi Vazirian, Fereshteh Hassan Zade, Akram Tehranifard
It is well known that innate immunity in fish can be activated by many synthetic and natural immunos-timulants; several natural substances induced immunity in fish in previous surveys. This study discussed data regarding the effect of Ganoderma applanatum aqueous extract on the defense mechanisms of rainbow trout in feeding trials. Fish were fed 250, 500, and 1000 mg extract/kg diet 4 times daily. Growth, humoral parameters, lysozyme activity, and serum protein concentrations were assessed after a period of 45 days...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27902927/antidiabetic-activity-of-ganoderma-lucidum-polysaccharides-f31-down-regulated-hepatic-glucose-regulatory-enzymes-in-diabetic-mice
#9
Chun Xiao, Qingping Wu, Jumei Zhang, Yizhen Xie, Wen Cai, Jianbin Tan
ETHNOPHARMACOLOGICAL RELEVANCE: Ganoderma lucidum (Lin Zhi) has been used to treat diabetes in Chinese folk for centuries. Our laboratory previously demonstrated that Ganoderma lucidum polysaccharides (GLPs) had hypoglycemic effects in diabetic mice. Our aim was to identify the main bioactives in GLPs and corresponding mechanism of action. MATERIALS AND METHODS: Four polysaccharide-enriched fraction were isolated from GLPs and the antidiabetic activities were evaluated by type 2 diabetic mice...
November 27, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27900038/antitumor-effects-and-mechanisms-of-ganoderma-extracts-and-spores-oil
#10
Chun Chen, Peng Li, Ye Li, Guan Yao, Jian-Hua Xu
Ganoderma lucidum is a popular herbal medicine used in China to promote health. Modern studies have disclosed that the active ingredients of Ganoderma can exhibit several effects, including antitumor effects and immunomodulation. The present study evaluated the antitumor effects of self-prepared Ganoderma extracts and spores oil, and investigated the possible underlying mechanisms by observing the effects of the extracts and oil on topoisomerases and the cell cycle. The results showed that Ganoderma extracts and spores oil presented dose-dependent inhibitory effects on tumor cells...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895938/understanding-colonization-and-proliferation-potential-of-endophytes-and-pathogen-in-planta-via-plating-polymerase-chain-reaction-and-ergosterol-assay
#11
Yiing Yng Chow, Sadequr Rahman, Adeline Su Yien Ting
This study aimed to establish the colonization behavior and proliferation potential of three endophytes and one pathogen Ganoderma boninense (Gb) introduced into oil palm ramets (host model). The endophytes selected were Diaporthe phaseolorum (WAA02), Trichoderma asperellum (T2), and Penicillium citrinum (BTF08). Ramets were first inoculated with 100 mL of fungal cells (10(6) cfu mL(-)(1)) via soil drenching. For the next 7 days, ramets were sampled and subjected to three different assays to detect and identify fungal colonization, and establish their proliferation potential in planta...
January 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/27894905/racemic-alkaloids-from-the-fungus-ganoderma-cochlear
#12
Xin-Long Wang, Man Dou, Qi Luo, Li-Zhi Cheng, Yong-Ming Yan, Rong-Tao Li, Yong-Xian Cheng
Seven pairs of new alkaloid enantiomers, ganocochlearines C-I (1, 3-8), and three pairs of known alkaloids were isolated from the fruiting bodies of Ganoderma cochlear. The chemical structures of new compounds were elucidated on the basis of 1D and 2D NMR data. The absolute configurations of compounds 1, 3-10 were assigned by ECD calculations. Biological activities of these isolates against renal fibrosis were accessed in rat normal or diseased renal interstitial fibroblast cells. Importantly, the plausible biosynthetic pathway for this class of alkaloids was originally proposed...
November 25, 2016: Fitoterapia
https://www.readbyqxmd.com/read/27894599/overexpression-of-the-homologous-lanosterol-synthase-gene-in-ganoderic-acid-biosynthesis-in-ganoderma-lingzhi
#13
De-Huai Zhang, Na Li, Xuya Yu, Peng Zhao, Tao Li, Jun-Wei Xu
Ganoderic acids (GAs) in Ganoderma lingzhi exhibit anticancer and antimetastatic activities. GA yields can be potentially improved by manipulating G. lingzhi through genetic engineering. In this study, a putative lanosterol synthase (LS) gene was cloned and overexpressed in G. lingzhi. Results showed that its overexpression (OE) increased the ganoderic acid (GA) content and the accumulation of lanosterol and ergosterol in a submerged G. lingzhi culture. The maximum contents of GA-O, GA-Mk, GA-T, GA-S, GA-Mf, and GA-Me in transgenic strains were 46...
November 25, 2016: Phytochemistry
https://www.readbyqxmd.com/read/27885803/rapid-and-sensitive-determination-of-phytosterols-in-functional-foods-and-medicinal-herbs-by-using-uhplc-ms-ms-with-microwave-assisted-derivatization-combined-with-dual-ultrasound-assisted-dispersive-liquid-liquid-microextraction
#14
Jing Sun, Xian-En Zhao, Jun Dang, Xiaoyan Sun, Longfang Zheng, Jinmao You, Xiao Wang
In this work, a hyphenated technique of dual ultrasound-assisted dispersive liquid-liquid microextraction combined with microwave-assisted derivatization followed by ultra high performance liquid chromatography tandem mass spectrometry has been developed for the determination of phytosterols in functional foods and medicinal herbs. Multiple reaction monitoring mode was used for the tandem mass spectrometry detection. A mass-spectrometry-sensitive reagent, 4'-carboxy-substituted rosamine, has been used as the derivatization reagent for five phytosterols, and internal standard diosgenin was used for the first time...
November 25, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27878254/restoration-of-the-tumor-suppressor-function-to-mutant-p53-by-ganoderma-lucidum-polysaccharides-in-colorectal-cancer-cells
#15
Dan Jiang, Lingyao Wang, Tong Zhao, Zhaoyu Zhang, Renxia Zhang, Jingji Jin, Yong Cai, Fei Wang
Ganoderma lucidum polysaccharides (GLPs), isolated from spores, mycelia and fruiting bodies of Ganoderma lucidum, have been suggested to possess anticancer activities in a large number of basic studies. A recent survey revealed that GLP-induced inhibition of cancer cell growth was dependent on the existence of functional p53. However, the actual role of p53-mediated tumor-suppressing pathways in facilitating the anticancer effect of GLPs is still unclear. In the present study, we investigated the interaction between GLPs and mutant p53 that exists in more than half of the known types of cancers...
November 15, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27842810/evaluation-of-microwave-assisted-and-pressurized-liquid-extractions-to-obtain-%C3%AE-d-glucans-from-mushrooms
#16
Fhernanda Ribeiro Smiderle, Diego Morales, Alicia Gil-Ramírez, Liana Inara de Jesus, Bienvenida Gilbert-López, Marcello Iacomini, Cristina Soler-Rivas
Microwave-assisted extraction (MAE) and pressurized liquid extraction (PLE) were compared as advanced technologies to obtain polysaccharides (particularly biologically active β-glucans) from Pleurotus ostreatus and Ganoderma lucidum fruiting bodies. Extraction effectiveness was compared by a full-factorial experimental design (response surface methodology, RSM), using water as extraction solvent. Total carbohydrate content of the obtained extracts and polysaccharide yields were the variable responses investigated, while temperature and extraction time were the experimental factors...
January 20, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27830743/fucose-containing-fraction-of-ling-zhi-enhances-lipid-rafts-dependent-ubiquitination-of-tgf%C3%AE-receptor-degradation-and-attenuates-breast-cancer-tumorigenesis
#17
Shu-Ming Tsao, Hsien-Yeh Hsu
Ganoderma lucidum exerts antitumor activity, but the mechanism of G. lucidum polysaccharides on cancer is unclear. Here, we demonstrated that a fucose-containing fraction of Ling-Zhi (FFLZ) reduced tumor size and suppressed metastasis in vivo. Furthermore, FFLZ inhibited breast cancer cell migration and altered the epithelial-to-mesenchymal transition (EMT) phenotype. Transforming growth factor-β receptor (TGFR) pathways act as key mediators to promote tumor progression and metastasis. We found that FFLZ down-regulated TGFR and downstream signaling pathways, including the phosphorylation of Smad2/3 and the expression of Smad4...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27823620/immunomodulatory-proteins-fip-gts-and-chloroquine-induce-caspase-independent-cell-death-via-autophagy-for-resensitizing-cisplatin-resistant-urothelial-cancer-cells
#18
I-Lun Hsin, Shao-Chuan Wang, Jian-Ri Li, Tsai-Chun Ciou, Chih-Hsien Wu, Hung-Ming Wu, Jiunn-Liang Ko
BACKGROUND: Chloroquine, a lysosomal inhibitor, is used for malaria, rheumatoid arthritis, and lupus erythematosus therapy. In our previous study, FIP-gts, an immunomodulatory protein from Ganoderma tsugae, inhibited cell viability in lung cancer cells and urothelial cancer cells. Urothelial carcinoma is the most common type of bladder cancer. Cisplatin resistance is an important issue in urothelial carcinoma therapy. PURPOSE: The aim of this study is to investigate the effect of combination treatment with FIP-gts and chloroquine on cytotoxicity to resensitize the cisplatin-resistant cells...
December 1, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27822471/isolation-and-physicochemical-characterization-of-laccase-from-ganoderma-lucidum-cdbt1-isolated-from-its-native-habitat-in-nepal
#19
Prabin Shrestha, Bishnu Joshi, Jarina Joshi, Rajani Malla, Lakshmaiah Sreerama
At present, few organisms are known to and capable of naturally producing laccases and white rot fungi are one such group. In the present study, three fungal species, namely, Ganoderma lucidum-CDBT1, Ganoderma japonicum, and Lentinula edodes, isolated from their native habitat in Nepal were screened for laccase production, and G. lucidum-CDBT1 was found to express highest levels of enzyme (day 10 culture media showed 0.92 IU/mg total protein or 92 IU/mL laccase activity with ABTS as substrate). Lignin extracted from rice straw was used in Olga medium for laccase production and isolation from G...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27801787/effects-of-ganodermanondiol-a-new-melanogenesis-inhibitor-from-the-medicinal-mushroom-ganoderma-lucidum
#20
Ji-Woong Kim, Hong-Il Kim, Jong-Hyeon Kim, O-Chul Kwon, Eun-Suk Son, Chang-Soo Lee, Young-Jin Park
Ganoderma lucidum, a species of the Basidiomycetes class, has been attracting international attention owing to its wide variety of biological activities and great potential as an ingredient in skin care cosmetics including "skin-whitening" products. However, there is little information available on its inhibitory effect against tyrosinase activity. Therefore, the objectives of this study were to investigate the chemical composition of G. lucidum and its inhibitory effects on melanogenesis. We isolated the active compound from G...
October 27, 2016: International Journal of Molecular Sciences
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