Detoxification of corn stover and corn starch pyrolysis liquors by ligninolytic enzymes of Phanerochaete chrysosporium.
Identifieur interne : 000842 ( Main/Exploration ); précédent : 000841; suivant : 000843Detoxification of corn stover and corn starch pyrolysis liquors by ligninolytic enzymes of Phanerochaete chrysosporium.
Auteurs : Mohammad A. Khiyami [États-Unis] ; Anthony L. Pometto ; Robert C. BrownSource :
- Journal of agricultural and food chemistry [ 0021-8561 ] ; 2005.
Descripteurs français
- KwdFr :
- Acide lactique (biosynthèse), Amidon (composition chimique), Amidon (métabolisme), Azoture de sodium (pharmacologie), Chromatographie gazeuse-spectrométrie de masse (MeSH), Cycloheximide (pharmacologie), Inactivation métabolique (MeSH), Lactobacillus casei (croissance et développement), Lactobacillus casei (effets des médicaments et des substances chimiques), Lactobacillus casei (métabolisme), Lignine (métabolisme), Phanerochaete (enzymologie), Phénols (métabolisme), Température élevée (MeSH), Zea mays (composition chimique).
- MESH :
- biosynthèse : Acide lactique.
- composition chimique : Amidon, Zea mays.
- croissance et développement : Lactobacillus casei.
- effets des médicaments et des substances chimiques : Lactobacillus casei.
- enzymologie : Phanerochaete.
- métabolisme : Amidon, Lactobacillus casei, Lignine, Phénols.
- pharmacologie : Azoture de sodium, Cycloheximide.
- Chromatographie gazeuse-spectrométrie de masse, Inactivation métabolique, Température élevée.
English descriptors
- KwdEn :
- Cycloheximide (pharmacology), Gas Chromatography-Mass Spectrometry (MeSH), Hot Temperature (MeSH), Inactivation, Metabolic (MeSH), Lactic Acid (biosynthesis), Lactobacillus casei (drug effects), Lactobacillus casei (growth & development), Lactobacillus casei (metabolism), Lignin (metabolism), Phanerochaete (enzymology), Phenols (metabolism), Sodium Azide (pharmacology), Starch (chemistry), Starch (metabolism), Zea mays (chemistry).
- MESH :
- chemical , biosynthesis : Lactic Acid.
- chemical , chemistry : Starch.
- chemical , metabolism : Lignin, Phenols, Starch.
- chemical , pharmacology : Cycloheximide, Sodium Azide.
- chemistry : Zea mays.
- drug effects : Lactobacillus casei.
- enzymology : Phanerochaete.
- growth & development : Lactobacillus casei.
- metabolism : Lactobacillus casei.
- Gas Chromatography-Mass Spectrometry, Hot Temperature, Inactivation, Metabolic.
Abstract
Phanerochaete chrysosporium (ATCC 24725) shake flask culture with 3 mM veratryl alcohol addition on day 3 was able to grow and detoxify different concentrations of diluted corn stover (Dcs) and diluted corn starch (Dst) pyrolysis liquors [10, 25, and 50% (v/v)] in defined media. GC-MS analysis of reaction products showed a decrease and change in some compounds. In addition, the total phenolic assay with Dcs samples demonstrated a decrease in the phenolic compounds. A bioassay employing Lactobacillus casei growth and lactic acid production was developed to confirm the removal of toxic compounds from 10 and 25% (v/v) Dcs and Dst by the lignolytic enzymes, but not from 50% (v/v) Dcs and Dst. The removal did not occur when sodium azide or cycloheximide was added to Ph. chrysosporium culture media, confirming the participation of lignolytic enzymes in the detoxification process. A concentrated enzyme preparation decreased the phenolic compounds in 10% (v/v) corn stover and corn starch pyrolysis liquors to the same extent as the fungal cultures.
DOI: 10.1021/jf048223m
PubMed: 15826047
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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GC-MS analysis of reaction products showed a decrease and change in some compounds. In addition, the total phenolic assay with Dcs samples demonstrated a decrease in the phenolic compounds. A bioassay employing Lactobacillus casei growth and lactic acid production was developed to confirm the removal of toxic compounds from 10 and 25% (v/v) Dcs and Dst by the lignolytic enzymes, but not from 50% (v/v) Dcs and Dst. The removal did not occur when sodium azide or cycloheximide was added to Ph. chrysosporium culture media, confirming the participation of lignolytic enzymes in the detoxification process. A concentrated enzyme preparation decreased the phenolic compounds in 10% (v/v) corn stover and corn starch pyrolysis liquors to the same extent as the fungal cultures.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15826047</PMID><DateCompleted><Year>2005</Year><Month>05</Month><Day>26</Day></DateCompleted><DateRevised><Year>2014</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0021-8561</ISSN><JournalIssue CitedMedium="Print"><Volume>53</Volume><Issue>8</Issue><PubDate><Year>2005</Year><Month>Apr</Month><Day>20</Day></PubDate></JournalIssue><Title>Journal of agricultural and food chemistry</Title><ISOAbbreviation>J Agric Food Chem</ISOAbbreviation></Journal><ArticleTitle>Detoxification of corn stover and corn starch pyrolysis liquors by ligninolytic enzymes of Phanerochaete chrysosporium.</ArticleTitle><Pagination><MedlinePgn>2969-77</MedlinePgn></Pagination><Abstract><AbstractText>Phanerochaete chrysosporium (ATCC 24725) shake flask culture with 3 mM veratryl alcohol addition on day 3 was able to grow and detoxify different concentrations of diluted corn stover (Dcs) and diluted corn starch (Dst) pyrolysis liquors [10, 25, and 50% (v/v)] in defined media. GC-MS analysis of reaction products showed a decrease and change in some compounds. In addition, the total phenolic assay with Dcs samples demonstrated a decrease in the phenolic compounds. A bioassay employing Lactobacillus casei growth and lactic acid production was developed to confirm the removal of toxic compounds from 10 and 25% (v/v) Dcs and Dst by the lignolytic enzymes, but not from 50% (v/v) Dcs and Dst. The removal did not occur when sodium azide or cycloheximide was added to Ph. chrysosporium culture media, confirming the participation of lignolytic enzymes in the detoxification process. A concentrated enzyme preparation decreased the phenolic compounds in 10% (v/v) corn stover and corn starch pyrolysis liquors to the same extent as the fungal cultures.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Khiyami</LastName><ForeName>Mohammad A</ForeName><Initials>MA</Initials><AffiliationInfo><Affiliation>Department of food Science and Human Nutrition and Center for Sustainable Environmental Technology, Iowa State University, Ames, Iowa 50010, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pometto</LastName><ForeName>Anthony L</ForeName><Initials>AL</Initials><Suffix>3rd</Suffix></Author><Author ValidYN="Y"><LastName>Brown</LastName><ForeName>Robert C</ForeName><Initials>RC</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, 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MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003313" MajorTopicYN="N">Zea mays</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>4</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>5</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>4</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15826047</ArticleId><ArticleId IdType="doi">10.1021/jf048223m</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Iowa</li></region><settlement><li>Ames (Iowa)</li></settlement><orgName><li>Université d'État de l'Iowa</li></orgName></list><tree><noCountry><name sortKey="Brown, Robert C" sort="Brown, Robert C" uniqKey="Brown R" first="Robert C" last="Brown">Robert C. Brown</name><name sortKey="Pometto, Anthony L" sort="Pometto, Anthony L" uniqKey="Pometto A" first="Anthony L" last="Pometto">Anthony L. Pometto</name></noCountry><country name="États-Unis"><region name="Iowa"><name sortKey="Khiyami, Mohammad A" sort="Khiyami, Mohammad A" uniqKey="Khiyami M" first="Mohammad A" last="Khiyami">Mohammad A. Khiyami</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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