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Isolation and Characterization of Humin-Like Substances Produced by Wood-Degrading White Rot Fungi.

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Title: Isolation and Characterization of Humin-Like Substances Produced by Wood-Degrading White Rot Fungi.
Authors: Yavmetdinov, I. S.1 ildar26@pisem.net, Stepanova, E. V.1, Gavrilova, V. P.2 valeria@vg2438.spb.edu, Lokshin, B. V.3 bloksh@ineos.ac.ru, Perminova, I. V.3 iperm@cityline.ru, Koroleva, O. V.1
Source: Applied Biochemistry & Microbiology. May/Jun2003, Vol. 39 Issue 3, p257-264. 8p.
Subjects: Humins, White rot (Onions), Fungi, Cryptogams, Parasitic plants, Microbiology, Biochemistry
Abstract: Three samples of high-molecular-weight humin-like substances were obtained by solid-phase cultivation of Coriolus hirsutus and/or Cerrena maxima on oat straw. The yield of humin-like substances amounted to 1.38–2.26% of the weight of the plant substrate consumed. These substances, produced both by individual and mixed cultures of the basidiomycetes, were shown to be similar in their structure and physicochemical properties. According to the data of IR and 13C-NMR spectroscopy, the substances contained aromatic fragments and were close to soil humic acids. Studies of the dynamics of laccase production suggested that the humin-like substances were produced via direct degradation of lignin macromolecules with direct involvement of extracellular laccase. [ABSTRACT FROM AUTHOR]
Copyright of Applied Biochemistry & Microbiology is the property of Springer Nature 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.)
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  Data: Isolation and Characterization of Humin-Like Substances Produced by Wood-Degrading White Rot Fungi.
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  Data: <searchLink fieldCode="JN" term="%22Applied+Biochemistry+%26+Microbiology%22">Applied Biochemistry & Microbiology</searchLink>. May/Jun2003, Vol. 39 Issue 3, p257-264. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Humins%22">Humins</searchLink><br /><searchLink fieldCode="DE" term="%22White+rot+%28Onions%29%22">White rot (Onions)</searchLink><br /><searchLink fieldCode="DE" term="%22Fungi%22">Fungi</searchLink><br /><searchLink fieldCode="DE" term="%22Cryptogams%22">Cryptogams</searchLink><br /><searchLink fieldCode="DE" term="%22Parasitic+plants%22">Parasitic plants</searchLink><br /><searchLink fieldCode="DE" term="%22Microbiology%22">Microbiology</searchLink><br /><searchLink fieldCode="DE" term="%22Biochemistry%22">Biochemistry</searchLink>
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  Data: Three samples of high-molecular-weight humin-like substances were obtained by solid-phase cultivation of Coriolus hirsutus and/or Cerrena maxima on oat straw. The yield of humin-like substances amounted to 1.38–2.26% of the weight of the plant substrate consumed. These substances, produced both by individual and mixed cultures of the basidiomycetes, were shown to be similar in their structure and physicochemical properties. According to the data of IR and 13C-NMR spectroscopy, the substances contained aromatic fragments and were close to soil humic acids. Studies of the dynamics of laccase production suggested that the humin-like substances were produced via direct degradation of lignin macromolecules with direct involvement of extracellular laccase. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Applied Biochemistry & Microbiology is the property of Springer Nature 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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              Text: May/Jun2003
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