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Isolation of thermophilic fungal strains producing oxido-reductase and hydrolase enzymes from various Tunisian biotopes

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Title: Isolation of thermophilic fungal strains producing oxido-reductase and hydrolase enzymes from various Tunisian biotopes
Authors: Ben Younes, Sonia benyounes_sonia@yahoo.fr, Karray, Fatma1, Sayadi, Sami sami.sayadi@cbs.rnrt.tn
Source: International Biodeterioration & Biodegradation. Oct2011, Vol. 65 Issue 7, p1104-1109. 6p.
Subjects: Thermophilic fungi, Oxidoreductases, Organic wastes, Hydrolases, Laccase, Ascomycetes, Lignin biodegradation, RNA, Genetics
Geographic Terms: Tunisia
Abstract: Abstract: The present study surveys 37 thermophilic fungal strains, that were isolated from various Tunisian biotopes such as litter, husk and compost, for their involvement in lignin degradation activities. Oxido-reductase and hydrolase activities were screened. Oxido-reductase activities, such as Extracellular Oxidase, Laccase, Tyrosinase and Peroxidase, were tested. Hydrolase activities, namely Lipase, Protease, Amylase and Cellulase, were also revealed. Strain ST26, isolated from locally made compost, and showed an important laccase activity with ABTS and DMP, was selected. Laccase activity of strain ST26 was 1575 U/l in liquid media. This strain was identified and was belonging to Scytalidium genus and more precisely to the specie Scytalidium thermophilum using 5.8S rRNA gene sequencing analysis. [Copyright &y& Elsevier]
Copyright of International Biodeterioration & Biodegradation is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Label: Title
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  Data: Isolation of thermophilic fungal strains producing oxido-reductase and hydrolase enzymes from various Tunisian biotopes
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  Data: <searchLink fieldCode="AR" term="%22Ben+Younes%2C+Sonia%22">Ben Younes, Sonia</searchLink><i> benyounes_sonia@yahoo.fr</i><br /><searchLink fieldCode="AR" term="%22Karray%2C+Fatma%22">Karray, Fatma</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sayadi%2C+Sami%22">Sayadi, Sami</searchLink><i> sami.sayadi@cbs.rnrt.tn</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Biodeterioration+%26+Biodegradation%22">International Biodeterioration & Biodegradation</searchLink>. Oct2011, Vol. 65 Issue 7, p1104-1109. 6p.
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  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Thermophilic+fungi%22">Thermophilic fungi</searchLink><br /><searchLink fieldCode="DE" term="%22Oxidoreductases%22">Oxidoreductases</searchLink><br /><searchLink fieldCode="DE" term="%22Organic+wastes%22">Organic wastes</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrolases%22">Hydrolases</searchLink><br /><searchLink fieldCode="DE" term="%22Laccase%22">Laccase</searchLink><br /><searchLink fieldCode="DE" term="%22Ascomycetes%22">Ascomycetes</searchLink><br /><searchLink fieldCode="DE" term="%22Lignin+biodegradation%22">Lignin biodegradation</searchLink><br /><searchLink fieldCode="DE" term="%22RNA%22">RNA</searchLink><br /><searchLink fieldCode="DE" term="%22Genetics%22">Genetics</searchLink>
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  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22Tunisia%22">Tunisia</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: The present study surveys 37 thermophilic fungal strains, that were isolated from various Tunisian biotopes such as litter, husk and compost, for their involvement in lignin degradation activities. Oxido-reductase and hydrolase activities were screened. Oxido-reductase activities, such as Extracellular Oxidase, Laccase, Tyrosinase and Peroxidase, were tested. Hydrolase activities, namely Lipase, Protease, Amylase and Cellulase, were also revealed. Strain ST26, isolated from locally made compost, and showed an important laccase activity with ABTS and DMP, was selected. Laccase activity of strain ST26 was 1575 U/l in liquid media. This strain was identified and was belonging to Scytalidium genus and more precisely to the specie Scytalidium thermophilum using 5.8S rRNA gene sequencing analysis. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of International Biodeterioration & Biodegradation is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ibiod.2011.08.003
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      – Code: eng
        Text: English
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        StartPage: 1104
    Subjects:
      – SubjectFull: Thermophilic fungi
        Type: general
      – SubjectFull: Oxidoreductases
        Type: general
      – SubjectFull: Organic wastes
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      – SubjectFull: Hydrolases
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      – SubjectFull: Laccase
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      – SubjectFull: Ascomycetes
        Type: general
      – SubjectFull: Lignin biodegradation
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      – SubjectFull: RNA
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      – SubjectFull: Genetics
        Type: general
      – SubjectFull: Tunisia
        Type: general
    Titles:
      – TitleFull: Isolation of thermophilic fungal strains producing oxido-reductase and hydrolase enzymes from various Tunisian biotopes
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              Text: Oct2011
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