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International Journal of Medicinal Mushrooms

年間 12 号発行

ISSN 印刷: 1521-9437

ISSN オンライン: 1940-4344

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00066 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.34 SJR: 0.274 SNIP: 0.41 CiteScore™:: 2.8 H-Index: 37

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High-Level Production of Exopolysaccharides by a Cosmic Radiation−Induced Mutant M270 of the Maitake Medicinal Mushroom, Grifola frondosa (Agaricomycetes)

巻 18, 発行 7, 2016, pp. 621-630
DOI: 10.1615/IntJMedMushrooms.v18.i7.70
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要約

A new Grifola frondosa mutant, M270, was successfully isolated for high production of exopolysaccharides (EPSs) using cosmic radiation−induced mutagenesis. We found that the mutant M270 had a clearer and thicker EPS layer (~10 µm) adhering to mycelia than those of its parent strain 265 after Congo red staining. In the 20-L batch fermentation for M270, 10.3 g/L of EPS and 17.9 g/L of dry mycelia biomass were obtained after 204 hours of fermentation. Furthermore, a main water-soluble fraction (EP1) in the EPS was purified from M270 and then confirmed to be heteroglycan-protein complex with 91% (w/w) total carbohydrates and 9% (w/w) total proteins. Four kinds of monosaccharide−D-mannose, D-glucosamine, D-glucose, and D-xylose−were detected in EP1 with a molar ratio of 17.6:1.8:100:2.5. The molecular mass of the main component in EP1 was 8.9 kDa. The EPS from M270 significantly inhibited the growth of sarcoma 180 solid tumors in mice. This G. frondosa M270 mutant could serve as a better candidate strain for polysaccharide production.

によって引用された
  1. Liu Jun, Wang Xingchi, Pu Huimin, Liu Shuang, Kan Juan, Jin Changhai, Recent advances in endophytic exopolysaccharides: Production, structural characterization, physiological role and biological activity, Carbohydrate Polymers, 157, 2017. Crossref

  2. Chen Zhaoxia, Tang Yanan, Liu Along, Jin Xiaobao, Zhu Jiayong, Lu Xuemei, Oral administration of Grifola frondosa polysaccharides improves memory impairment in aged rats via antioxidant action, Molecular Nutrition & Food Research, 61, 11, 2017. Crossref

  3. Wang Guangyuan, Xu Lili, Yu Hao, Gao Jie, Guo Lizhong, Systematic analysis of the lysine succinylome in the model medicinal mushroom Ganoderma lucidum, BMC Genomics, 20, 1, 2019. Crossref

  4. DALONSO NICOLE, PETKOWICZ CARMEN L.O., LUGONES LUIS G., SILVEIRA MARCIA L.L., GERN REGINA M.M., Comparison of cell wall polysaccharides in Schizophyllum commune after changing phenotype by mutation, Anais da Academia Brasileira de Ciências, 93, suppl 4, 2021. Crossref

  5. Hou Ranran, Zhou Linjiang, Fu Yan, Wang Tong, Li Zhe, Zhou Liwei, Zhang Guoli, Tian Xuemei, Chemical characterization of two fractions from Sanghuangporus sanghuang and evaluation of antidiabetic activity, Journal of Functional Foods, 87, 2021. Crossref

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