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Cordyceps militaris

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https://www.readbyqxmd.com/read/29452848/optimization-of-liquid-fermentation-conditions-for-biotransformation-zein-by-cordyceps-militaris-202-and-characterization-of-physicochemical-and-functional-properties-of-fermentative-hydrolysates
#1
Shuang Yang, Mingzhu Zheng, Yong Cao, Yanjiao Dong, Sanabil, Jingsheng Liu
Cordyceps militaris 202 is a potential fungus for biotransformation zein, due to its various proteases, high tolerance and viability in nature. In this article, single factor experiment and response surface methodology were applied to optimize the liquid fermentation conditions and improve the ability of biotransformation zein. The optimized fermentation conditions were as follows: inoculum concentration of 19%, volume of liquor of 130mL/500mL and pH of 4.7. Under this condition, the degree of hydrolysis (DH) was 27...
February 13, 2018: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29422889/cordycepin-a-characteristic-bioactive-constituent-in-cordyceps-militaris-ameliorates-hyperuricemia-through-urat1-in-hyperuricemic-mice
#2
Tianqiao Yong, Shaodan Chen, Yizhen Xie, Diling Chen, Jiyan Su, Ou Shuai, Chunwei Jiao, Dan Zuo
Recently, we've reported the anti-hyperuricemic effects of Cordyceps militaris. As a characteristic compound of C. militaris, we hypothesized that cordycepin may play a role in preventing hyperurecimia. Remarkably, cordycepin produced important anti-hyperuricemic actions, decreasing SUA (serum uric acid) to 216, 210, and 203 μmol/L (P < 0.01) at 15, 30, and 60 mg/kg in comparison of hyperuricemic control (337 μmol/L), closing to normal control (202 μmol/L). Elisa, RT-PCR and western blot analysis demonstrated that the actions may be attributed to its downregulation of uric acid transporter 1 (URAT1) in kidney...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29409013/effects-of-spent-mushroom-cordyceps-militaris-supplementation-on-apparent-digestibility-rumen-fermentation-and-blood-metabolite-parameters-of-goats
#3
P Chanjula, A Cherdthong
The objective of this experiment was to study the effects of dried spent mushroom Cordyceps militaris (SMCM) supplementation on digestibility, rumen fermentation, and blood metabolite parameters in goats. When the mushroom production and harvesting was complete, SMCM was collected fresh from a mushroom farm. Four 18-month-old male crossbred (Thai Native x Anglo Nubian) goats with initial body weight (BW) of 26.0 ±1.40 kg were randomly assigned according to a 4 × 4 Latin square design to receive four different levels of SMCM at 0, 100, 200, and 300 g/d...
February 2, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29402269/expression-of-a-recombinant-hybrid-antimicrobial-peptide-magainin-ii-cecropin-b-in-the-mycelium-of-the-medicinal-fungus-cordyceps-militaris-and-its-validation-in-mice
#4
Min Zhang, Yuanlong Shan, Hongtao Gao, Bin Wang, Xin Liu, Yuanyuan Dong, Xiuming Liu, Na Yao, Yonggang Zhou, Xiaowei Li, Haiyan Li
BACKGROUND: Antibiotic residues can cause antibiotic resistance in livestock and their food safety-related issues have increased the consumer demand for products lacking these residues. Hence, developing safe and effective antibiotic alternatives is important to the animal feed industry. With their strong antibacterial actions, antimicrobial peptides have potential as antibiotic alternatives. RESULTS: We investigated the antibacterial and immunomodulatory activities and the mechanisms of action of an antimicrobial peptide...
February 5, 2018: Microbial Cell Factories
https://www.readbyqxmd.com/read/29389557/a-novel-protein-from-edible-fungi-cordyceps-militaris-that-induces-apoptosis
#5
Ke-Chun Bai, Fuu Sheu
Cordyceps militaris is a dietary therapeutic fungus that is an important model species in Cordyceps research. In this study, we purified a novel protein from the fruit bodies of C. militaris and designated it as Cordyceps militaris protein (CMP). CMP has a molecular mass of 18.0 kDa and is not glycosylated. Interestingly, CMP inhibited cell viability in murine primary cells and other cell lines in a time- and dose-dependent manner. Using trypan blue staining and a lactate dehydrogenase release assay, we showed that CMP caused cell death in the murine hepatoma cell line BNL 1MEA...
January 2018: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/29389548/optimal-conditions-for-cordycepin-production-in-surface-liquid-cultured-cordyceps-militaris-treated-with-porcine-liver-extracts-for-suppression-of-oral-cancer
#6
Liang-Tzung Lin, Ying-Jang Lai, She-Ching Wu, Wei-Hsuan Hsu, Chen-Jei Tai
Cordycepin is one of the most crucial bioactive compounds produced by Cordyceps militaris and has exhibited antitumor activity in various cancers. However, industrial production of large amounts of cordycepin is difficult. The porcine liver is abundant in proteins, vitamins, and adenosine, and these ingredients may increase cordycepin production and bioconversion during C. militaris fermentation. We observed that porcine liver extracts increased cordycepin production. In addition, air supply (2 h/d) significantly increased the cordycepin level in surface liquid-cultured C...
January 2018: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/29321565/characterization-of-novel-endo-%C3%AE-n-acetylglucosaminidases-from-sphingobacterium-species-beauveria-bassiana-and-cordyceps-militaris-that-specifically-hydrolyze-fucose-containing-oligosaccharides-and-human-igg
#7
Yibo Huang, Yujiro Higuchi, Takashi Kinoshita, Ai Mitani, Yasunari Eshima, Kaoru Takegawa
Endo-β-N-acetylglucosaminidase (ENGase) catalyzes hydrolysis of N-linked oligosaccharides. Although many ENGases have been characterized from various organisms, so far no fucose-containing oligosaccharides-specific ENGase has been identified in any organism. Here, we screened soil samples, using dansyl chloride (Dns)-labeled sialylglycan (Dns-SG) as a substrate, and discovered a strain that exhibits ENGase activity in the culture supernatant; this strain, named here as strain HMA12, was identified as a Sphingobacterium species by 16S ribosomal RNA gene analysis...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29303996/pichia-pastoris-is-a-suitable-host-for-the-heterologous-expression-of-predicted-class-i-and-class-ii-hydrophobins-for-discovery-study-and-application-in-biotechnology
#8
Julie-Anne Gandier, Emma R Master
The heterologous expression of proteins is often a crucial first step in not only investigating their function, but also in their industrial application. The functional assembly and aggregation of hydrophobins offers intriguing biotechnological applications from surface modification to drug delivery, yet make developing systems for their heterologous expression challenging. In this article, we describe the development of Pichia pastoris KM71H strains capable of solubly producing the full set of predicted Cordyceps militaris hydrophobins CMil1 (Class IA), CMil2 (Class II), and CMil3 (IM) at mg/L yields with the use of 6His-tags not only for purification but for their detection...
January 5, 2018: Microorganisms
https://www.readbyqxmd.com/read/29212184/cordycepin-and-a-preparation-from-cordyceps-militaris-inhibit-malignant-transformation-and-proliferation-by-decreasing-egfr-and-il-17ra-signaling-in-a-murine-oral-cancer-model
#9
Peng-Yang Hsu, Yueh-Hsin Lin, Erh-Ling Yeh, Hui-Chen Lo, Tai-Hao Hsu, Che-Chun Su
Cordyceps militaris (CM) and its active ingredient cordycepin have been reported to inhibit tumor growth, but the mechanisms are not fully understood. This study used a mouse model for oral cancer and a cell line, 4NAOC-1 derived from the model to study the mechanisms. Our results show that a CM preparation (CMP) can significantly inhibit tumor development and malignant transformation in the model. In vitro data indicate that CMP and cordycepin can inhibit 4NAOC-1 cell proliferation, either anchorage-dependent or -independent...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29199564/effect-of-pulsed-light-irradiation-on-bioactive-nonvolatile-components-and-antioxidant-properties-of-caterpillar-medicinal-mushroom-cordyceps-militaris-ascomycetes
#10
Shih-Jeng Huang, Fu-Kuei Huang, Agnes Purwidyantri, Arif Rahmandita, Shu-Yao Tsai
The caterpillar medicinal mushroom Cordyceps militaris contains many bioactive components, such as adenosine, cordycepin, and polysaccharides. In this study, C. militaris was exposed to 0, 3, 6, or 9 pulses of light irradiation to estimate changes in vitamin D2, bioactive compounds, nonvolatile taste components, and antioxidant properties. In addition, we compared the components and properties of C. militaris mycelia and solid waste medium that had been treated with pulsed light (PL) irradiation. Overall, PL irradiation of C...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29178836/chromosome-level-assembly-and-secondary-metabolite-potential-of-the-parasitic-fungus-cordyceps-militaris
#11
Glenna J Kramer, Justin R Nodwell
BACKGROUND: Cordyceps militaris is an insect pathogenic fungus that is prized for its use in traditional medicine. This and other entomopathogenic fungi are understudied sources for the discovery of new bioactive molecules. In this study, PacBio SMRT long read sequencing technology was used to sequence the genome of C. militaris with a focus on the genetic potential for secondary metabolite production in the genome assembly of this fungus. RESULTS: This is first chromosome level assembly of a species in the Cordyceps genera...
November 25, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29168868/structural-elucidation-and-immunostimulatory-activity-of-a-new-polysaccharide-from-cordyceps-militaris
#12
Sixue Bi, Yongshuai Jing, Qinqin Zhou, Xianjing Hu, Jianhua Zhu, Zhongyi Guo, Liyan Song, Rongmin Yu
A new polysaccharide (CMPB90-1) was isolated from cultured Cordyceps militaris by alkaline extraction. The chemical structure of CMPB90-1 was determined by analysis of physicochemical and spectral data. The backbone of CMPB90-1 is composed of (1→6)-linked α-d-glucopyranosyl and (1→3)-linked α-d-glucopyranosyl residues, with branching at O-6, which consists of (1→4)-linked β-d-mannopyranosyl and (1→6)-linked α-d-glucopyranosyl residues, respectively. β-d-Galactopyranosyl residues is the terminal unit...
November 23, 2017: Food & Function
https://www.readbyqxmd.com/read/29168246/immunostimulatory-effects-of-cordycepin-enriched-wib-801ce-from-cordyceps-militaris-in-splenocytes-and-cyclophosphamide-induced-immunosuppressed-mice
#13
Ji-Sun Shin, Soo-Hak Chung, Woo-Seok Lee, Je-Young Lee, Jong-Lae Kim, Kyung-Tae Lee
The medicinal mushroom Cordyceps militaris has been reported to possess anticancer and immunomodulatory effects. We investigated the immunostimulatory effects of culture supernatant of C. militaris (WIB-801CE) by examining its in vitro enhancing effects on cell proliferation and cytokine releases in splenocytes and its in vivo effects on cyclophosphamide-induced immunosuppressed mice. WIB-801CE enhanced normal and methotrexate-induced cell proliferation. WIB-801CE significantly ameliorated interleukin (IL)-2, interferon-γ, and tumor necrosis factor-α secretion in methotrexate-induced splenocytes...
November 23, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29161660/molecular-mechanisms-of-anti-inflammatory-effect-of-chrysophanol-an-active-component-of-ast2017-01-on-atopic-dermatitis-in-vitro-models
#14
Hyun-Ja Jeong, Hee-Yun Kim, Hyung-Min Kim
AST2017-01 mainly consists of Rumex crispus and -Cordyceps militaris and has been widely consumed as an herbal medicine or functional food in Korea. Here we investigated the influences of AST2017-01 and its active component, chrysophanol on human mast cell (HMC-1 cell) and human keratinocyte (HaCaT cell)-mediated inflammatory reactions. Pretreatment with AST2017-01 or chrysophanol suppressed intracellular calcium levels and histamine release in phorbol 12-myristate 13-acetate and calcium ionophore A23187 (PMACI)-treated HMC-1 cells...
November 18, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29130448/a-review-on-the-effects-of-current-chemotherapy-drugs-and-natural-agents-in-treating-non-small-cell-lung-cancer
#15
Chih-Yang Huang, Da-Tong Ju, Chih-Fen Chang, P Muralidhar Reddy, Bharath Kumar Velmurugan
Lung cancer is the leading cause of cancer deaths worldwide, and this makes it an attractive disease to review and possibly improve therapeutic treatment options. Surgery, radiation, chemotherapy, targeted treatments, and immunotherapy separate or in combination are commonly used to treat lung cancer. However, these treatment types may cause different side effects, and chemotherapy-based regimens appear to have reached a therapeutic plateau. Hence, effective, better-tolerated treatments are needed to address and hopefully overcome this conundrum...
December 2017: BioMedicine
https://www.readbyqxmd.com/read/29091925/insight-into-cordycepin-biosynthesis-of-cordyceps-militaris-comparison-between-a-liquid-surface-culture-and-a-submerged-culture-through-transcriptomic-analysis
#16
Ahmad Suparmin, Tatsuya Kato, Hideo Dohra, Enoch Y Park
Cordyceps militaris produces cordycepin, which is known to be a bioactive compound. Currently, cordycepin hyperproduction of C. militaris was carried out in a liquid surface culture because of its low productivity in a submerged culture, however the reason was not known. In this study, 4.92 g/L of cordycepin was produced at the 15th day of C. militaris NBRC 103752 liquid surface culture, but only 1 mg/L was produced in the submerged culture. RNA-Seq was used to clarify the gene expression profiles of the cordycepin biosynthetic pathways of the submerged culture and the liquid surface culture...
2017: PloS One
https://www.readbyqxmd.com/read/29090553/-simultaneous-determination-of-cordycepin-and-2-deoxyadenosine-in-cordyceps-genus-by-online-spe-hplc
#17
Ye Tian, Chuan-Xi Wang, Zheng-Ming Qian, Zhou Li, Miao-Xia Zhou, Wan-Yang Sun, Xin-Sheng Yao, Wen-Jia Li, Hao Gao
An online SPE-HPLC method for simultaneous determination of cordycepin (3'-deoxyadenosine) and 2'-deoxyadenosine in Cordyceps genus (C. sinensis,C. militaris,Hirsutella sinensis and C. sobolifera) was developed. The samples were enriched on a ZORBAX SB-AQ (4.6 mm×12.5 mm,5 μm) column with isocratic elution by 9% methanol solution. The separation of analytes was performed on a ZORBAX SB-AQ (4.6 mm×150 mm,5 μm) column with gradient elution by 0.1% formic acid solution and methanol (91∶9). The flow rate was 1...
May 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29073171/transcriptome-wide-analysis-reveals-the-progress-of-cordyceps-militaris-subculture-degeneration
#18
Juan Yin, Xiangdong Xin, Yujie Weng, Zhongzheng Gui
BACKGROUND: The entomopathogenic mushroom Cordyceps militaris is an important medicinal and food resource owing to its various medicinal components and pharmacological effects. However, the high frequency of strain degeneration during subculture seriously restricts the large-scale production of C. militaris, and the mechanism underlying strain degeneration remains unclear. In this study, we artificially cultured C. militaris for six generations and compared changes during fruiting body growth...
2017: PloS One
https://www.readbyqxmd.com/read/29070781/cordycepin-induces-apoptotic-cell-death-and-inhibits-cell-migration-in-renal-cell-carcinoma-via-regulation-of-microrna-21-and-pten-phosphatase
#19
Chao Yang, Linlin Zhao, Weitang Yuan, Jianguo Wen
Cordycepin is an active component extracted from Traditional Chinese medical herb Cordyceps militaris. Many reports demonstrated that cordycepin harbors antitumor activity in a broad spectrum of cancer types. In this study the actions and the underneath molecular mechanisms of cordycepin were investigated in renal cell carcinoma Caki-1 cell line. Results showed that cordycepin induced apoptotic cell death and inhibited cell migration in Caki-1 cells. Quantitative real-time PCR results and western blot analyses indicated cordycepin dose-dependently decreased microRNA-21 expression and Akt phosphorylation levels in Caki-1 cells, but increased PTEN phosphatase levels...
2017: Biomedical Research
https://www.readbyqxmd.com/read/29056419/fungal-cordycepin-biosynthesis-is-coupled-with-the-production-of-the-safeguard-molecule-pentostatin
#20
Yongliang Xia, Feifei Luo, Yanfang Shang, Peilin Chen, Yuzhen Lu, Chengshu Wang
Cordycepin (COR) and pentostatin (PTN) are adenosine analogs with related bioactivity profiles as both mimic adenosine and can inhibit some of the processes that are adenosine dependent. Both COR and PTN are also natural products and were originally isolated from the fungus Cordyceps militaris and the bacterium Streptomyces antibioticus, respectively. Here, we report that not only is PTN produced by C. militaris but that biosynthesis of COR is coupled with PTN production by a single gene cluster. We also demonstrate that this coupling is an important point of metabolic regulation where PTN safeguards COR from deamination by inhibiting adenosine deaminase (ADA) activity...
December 21, 2017: Cell Chemical Biology
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