• Title/Summary/Keyword: Mycelial components

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보령제약 중앙연구소 - 연구소 탐방

  • 백우현
    • The Microorganisms and Industry
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    • v.20 no.1
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    • pp.50-52
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    • 1994
  • Ultrastructural observations of mycelial and tissue phase with dimorphic fungal pathogen Coccidioides immitis were studied by electron microscopy of thin sections. 1. In mycelial phase of C.immitis contains normal cell components such as nucleus, mitochondria, endoplamsic reticulum, intracytoplasmic membrane system, cell wall and cell membrane as observed in the other encaryotic cells. 2. In tissue phase of C. immitis was larger than mycelial phase in cell size and observed much more vacuoles than mycelial phase. 3. In the contrast of mycelial phase of C. immitis, the tissue phase of cells were observed fibril form of capsular layer.

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Electron microscopic observations of the mycelial and tissue phase of coccidioides immitis (Coccidioides immitis의 mycelial phase와 tissue phase에 있어서의 전자현미경적 관찰)

  • Koh, Choon, Myung;Choi, Tae-Joo;Deung, Young-Kun;Lew, Joon
    • Korean Journal of Microbiology
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    • v.9 no.4
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    • pp.169-174
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    • 1971
  • Ultrastructural observations of mycelial and tissue phase with dimorphic fungal pathogen Coccidioides immitis were studied by electron microscopy of thin sections. 1. In mycelial phase of C.immitis contains normal cell components such as nucleus, mitochondria, endoplamsic reticulum, intracytoplasmic membrane system, cell wall and cell membrane as observed in the other encaryotic cells. 2. In tissue phase of C. immitis was larger than mycelial phase in cell size and observed much more vacuoles than mycelial phase. 3. In the contrast of mycelial phase of C. immitis, the tissue phase of cells were observed fibril form of capsular layer.

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Culture Conditions for the Mycelial Growth of Ganoderma applanatum

  • Jo, Woo-Sik;Cho, Yun-Ju;Cho, Doo-Hyun;Park, So-Deuk;Yoo, Young-Bok;Seok, Soon-Ja
    • Mycobiology
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    • v.37 no.2
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    • pp.94-102
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    • 2009
  • Ganoderma applanatum is one of the most popular medicinal mushrooms due to the various biologically active components it produces. This study was conducted to obtain basic information regarding the mycelial culture conditions of Ganoderma applanatum. Based on the colony diameter and mycelial density, PDA, YMA and MCM media were suitable for the mycelial growth of the mushroom. The optimum temperature for mycelial growth was found to be $25{\sim}30^{\circ}C$. The optimum carbon and nitrogen sources were mannose and dextrin, respectively, and the optimum C/N ratio was 2 to 10 when 2% glucose was used. Other minor components required for the optimal growth included thiamine-HCl and biotin as vitamins, succinic acid and lactic acid as organic acids, and $MgSO_4$ $7H_2C$, $KH_2PO_4$ and NaCl as mineral salts.

Culture Conditions for Mycelial Growth of Coriolus versicolor

  • Jo, Woo-Sik;Kang, Min-Jin;Choi, Seong-Yong;Yoo, Young-Bok;Seok, Soon-Ja;Jung, Hee-Young
    • Mycobiology
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    • v.38 no.3
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    • pp.195-202
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    • 2010
  • Coriolus versicolor, is one of the most popular medicinal mushrooms due its various biologically active components. This study was conducted to obtain basic information regarding the mycelial culture conditions of C. versicolor. Based on the culture, and MCM media were suitable for the mycelial growth of the mushroom. The optimum carbon and nitrogen sources were dextrin and yeast extract, respectively, and the optimum C/N ratio was 10 to 2 when 2% glucose was used. Other minor components required for optimal growth included thiamine-HCl and biotin as vitamins, succinic acid, lactic acid and citric acid as organic acids, as well as $MgSO_4{\cdot}7H_2O$ as mineral salts.

Culture conditions for mycelial growth of Poria cocos

  • Jo, Woo-Sik;Park, Ju-Ri;Oh, So-Ra;Kang, Min-Gu;Kim, Woo-Hyun;Park, Seung-Chun
    • Journal of Mushroom
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    • v.14 no.1
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    • pp.6-13
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    • 2016
  • This study was carried out to determine the basic mycelial culture conditions for Poria cocos growth. According to colony diameter and mycelial density, suitable media for mycelial growth were Malt yeast extract, Potato dextrose agar, Yeast extract agar, and Yeast malt agar. The optimum temperature for mycelial growth was between 25 and $35^{\circ}C$, and the optimum pH value was between 4 and 7. Carbon and nitrogen sources were fructose and yeast extract. The optimum C/N ratio was about 10 to 1 with 2% glucose. Other minor components for optimal growth were thiamine-HCl and nicotinamide as vitamins, acetic and lactic acid as organic acids, and $MgSO_4{\cdot}7H_2O$ and $FeSO_4{\cdot}7H_2O$ as mineral salts.

The culture conditions for the mycelial growth of Auricularia auricula-judae

  • Jo, Woo-Sik;Kim, Dong-Geun;Seok, Soon-Ja;Jung, Hee-Young;Park, Seung-Chun
    • Journal of Mushroom
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    • v.12 no.2
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    • pp.88-95
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    • 2014
  • Auricularia auricula-judae is an edible mushroom, which is known as wood ear, free ear, black ear mushroom, and free jelly fish. This study was carried out to obtain the basic information for mycelial culture conditions of Auricularia auriculajudae. According to colony diameter and mycelial density, the media for suitable mycelial growth were PDA and MCM. The optimum temperature for mycelial growth was $25{\sim}30^{\circ}C$. Carbon and nitrogen sources were mannose and malt extract, respectively. The optimum C/N ratio was in the range of 10 to 1 with 2% glucose. Other minor components for the optimal growth were thiamine-HCl and biotin as vitamins, succinic acid and lactic acid as organic acids, and $MgSO_4{\cdot}7H_2O$ and $KH_2PO_4$ as mineral salts.

Effect of Korea Ginseng Root on Detoxification of Heavy Metal, Mercury by Fusarium oxysporum (고려인삼이 Fusarium oxysporum에 의한 중금속 수은의 해독작용에 미치는 영향)

  • Kim, Young-Ho;Park, Eun-Kyung;Park, Kyu-jin
    • Journal of Ginseng Research
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    • v.16 no.1
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    • pp.24-30
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    • 1992
  • Extracts of Panax ginseng root significantly induced tolerance of Fusarium oxysporum to heavy metal, mecury, as the fungal mycelial growth was less inhibited by mercury chloride on potato dextrose medium(PDA) amended with ginseng root than on the PDA with no ginseng amendment. The most favorable concentration of ginseng root powder in detoxification of mercury chloride was 1%. The induced tolerance of F. oxysporum to mercury chloride appeared to be rather due to absorption of ginseng components, and was not related to stimulation of mycelial growth of the fungus per so by ginseng treatment. Ginseng components responsible for inducing tolerance of the fungus to mercury were involved in the water fraction of the ginseng root extract, although the water fraction had no effect on enhancement of the mycelial growth on the medium without mercury chloride. The hexane fraction of ginseng root extract, by which the mycelial growth was stimulated, was not related to the inducement of the tolerance to mercury chloride. However, more tolerance to mercury chloride was noted in PDA with both the water and hexane fractions combined than with either of the two fractions. Six-year-old ginseng roots were more effective in detoxification of mercury chloride than 4-year-old ginsng roots, and American ginseng (P quinquifolium) had no or little effect on inducing tolerance of the fungus to mercury chloride. This method may be used to screen other natural materials for test in the detoxification of mercury chloride.

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Screening of-Lyophyllum Decastes-Highly Productive Cultivable Strains

  • Wei, Shenglong
    • 한국균학회소식:학술대회논문집
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    • 2014.05a
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    • pp.47-47
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    • 2014
  • In order to explore mycelial growth and fruiting body formation of Lyophyllum decates on different media, ten cultivation media by using cottonseed hull, sawdust, corn cob etc. as main components were designed for seven strains. The results showed that the mycelial colour of all strains are mainly snow-white, and the formula of media using corn cob as main materials was better than that using cottonseed hull and sawdust for mycelial growth, but no fruiting body was formed. The cottonseed hull medium with a small amount of sawdust, plant leaves, humus or fermented material and wheat was beneficial for fruiting formation. The incubation period for fruiting formation of strain 3001 was 108 days and the highest yield was-214.80 g/bag. Fructification of the strains tasted occurs successively in order of 3001, 1035, 1004 and 1013. It was concluded that different medium composition had significant effect on the mycelial growth and fruiting body formation.

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Effects of medium components on Mycelial Growth and Polysaccharide production in Liquid Culcure of Coriolus versicolor

  • Choi, Min-Gu;Hong, Eock-Kee
    • 한국생물공학회:학술대회논문집
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    • 2003.10a
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    • pp.253-257
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    • 2003
  • This study was executed to investgate the effects of medium components on liquid culture in the flask culture of Coriolus versicolor. This work was focused on raising the mycelial growth and the polysaccharide production. In order to optimize the medium, different carbon and nitrogen sources were investgated. Glucose and yeast extract were chosen for the production of mycelia and polysaccharide as carbon and nitrogen sources, respectively, in the flask culture. For the mycelia growth and polysaccharide production, the medium contained glucose 20g/L, yeast extract 6g/L, $KH_2PO_4$ 0.46g/L, $MgSO_4.7H_2O$ 0.5g/L. The liquid culture conditions for the mycelial growth were $27^{\circ}C$, 200rpm and working volume 100mL using 250mL flask.

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Studies on Submerged Culture and Mycelial Components of Naematoloma sublateritium Mycelia (개암버섯균의 액체배양과 균사체의 성분에 관한 연구)

  • Kang, An-Seok;Kang, Tae-Su;Cho, Soo-Muk;Yu, Seung-Hun
    • The Korean Journal of Mycology
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    • v.29 no.1
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    • pp.22-27
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    • 2001
  • This study was carried out to get the basic information for the submerged culture and analyze the biochemical components of Naematoloma sublateritium mycelia. The optimal temperature, pH, agitation speed and cultural time for the mycelial growth of Naematoloma sublateritium were $25^{\circ}C$, 5.5, 150rpm and 20 days, respectively. The proximate composition of mycelia was as follows; carbohydrate 55.8% (total sugar 48.7%), crude protein 22.4%, fat 4.1 % and ash 4.7% respectively. Among the free amino acid contents, phenylalanine, alanine and lysine were predominant component. The linoleic acid and palmitic acid were found to be the highest among the free fatty acids. The biopolymer extracts of mycelia was identified to be protein-bounded polysaccharide by color reaction and sepharose CL-4B gel chromatography.

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