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ISSN 打印: 1521-9437

ISSN 在线: 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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Profiling of Intra- and Extracellular Enzymes Involved in Fructification of the Lingzhi or Reishi Medicinal Mushroom, Ganoderma lucidum (Agaricomycetes)

卷 20, 册 12, 2018, pp. 1209-1221
DOI: 10.1615/IntJMedMushrooms.2018028898
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摘要

Fruiting bodies of Ganoderma lucidum have been widely used as a source of potent nutraceutical products. However, the key proteins involved in fructifying G. lucidum, to our knowledge, have not yet been reported. We evaluated the protein profile of fruiting and nonfruiting G. lucidum strains at various developmental stages: mycelia, spawn running, pinning, and fruiting body. Four strains of G. lucidum (GL-I to GL-IV) were grown in both liquid medium (mushroom minimal medium broth) and bags of wheat straw, after which the biomass and fruiting bodies were harvested. Enzyme studies revealed enhanced intracellular and extracellular enzymatic activities during the spawn run stage compared with that during mycelial growth in broth. The esterase and peroxidase activities increased significantly during the pinning of the fruiting cultures, thus indicating their positive role in fructification. Fourier transform infrared spectroscopy of proteins at 3 stages of cultivation−spawn run, pin head formation, and fruiting−exhibited the presence of hydrophobic amino acids and an ordered protein structure in fruiting strains (GL-I and GL-II), indicating the presence of hydrophobin proteins and their role in mushroom fructification. However, basic and aromatic amino acids predominated in the nonfruiting strain GL-IV, and an unordered protein structure was present, which indicate the positive role of hydrophobic amino acids and hydrophobin proteins in mushroom fructification.

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