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Article: NADPH-dependent D-aldose reductases and xylose fermentation in Fusarium oxysporum
Title | NADPH-dependent D-aldose reductases and xylose fermentation in Fusarium oxysporum |
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Authors | |
Keywords | Acetoin Fusarium Oxysporum Xylose Xylose Reductases |
Issue Date | 2004 |
Publisher | Society for Biotechnology, Japan. The Journal's web site is located at http://www.jstage.jst.go.jp/browse/jbb/_vols/-char/en |
Citation | Journal Of Bioscience And Bioengineering, 2004, v. 97 n. 5, p. 299-304 How to Cite? |
Abstract | Two aldose (xylose) reductases (ARI and ARII) from Fusarium oxysporum were purified and characterized. The native ARI was a monomer with Mr 41000, pI 5.2 and showed a 52-fold preference for NADPH over NADH, while ARII was homodimeric with a subunit of Mr 37000, pI 3.6 and a 60-fold preference for NADPH over NADH. In this study, the influence of aeration and the response to the addition of electron acceptors on xylose fermentation by F. oxysporum were also studied. The batch cultivation of F. oxysporum on xylose was performed under aerobic, anaerobic and oxygen-limited conditions in stirred tank reactors. Oxygen limitation had considerable influence on xylose metabolism. Under anaerobic conditions (0 vvm), xylitol was the main product with a maximum yield of 0.34 mole of xylitol/mole of xylose while the maximum ethanol yield (1.02 moles of ethanol/mole of xylose) was obtained under aerobic conditions (0.3 vvm). When the artificial electron acceptor acetoin was added to an anaerobic batch fermentation of xylose by F. oxysporum, the ethanol yield increased while xylitol excretion was also decreased. |
Persistent Identifier | http://hdl.handle.net/10722/181240 |
ISSN | 2023 Impact Factor: 2.3 2023 SCImago Journal Rankings: 0.538 |
References |
DC Field | Value | Language |
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dc.contributor.author | Panagiotou, G | en_US |
dc.contributor.author | Christakopoulos, P | en_US |
dc.date.accessioned | 2013-02-21T02:03:26Z | - |
dc.date.available | 2013-02-21T02:03:26Z | - |
dc.date.issued | 2004 | en_US |
dc.identifier.citation | Journal Of Bioscience And Bioengineering, 2004, v. 97 n. 5, p. 299-304 | en_US |
dc.identifier.issn | 1389-1723 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/181240 | - |
dc.description.abstract | Two aldose (xylose) reductases (ARI and ARII) from Fusarium oxysporum were purified and characterized. The native ARI was a monomer with Mr 41000, pI 5.2 and showed a 52-fold preference for NADPH over NADH, while ARII was homodimeric with a subunit of Mr 37000, pI 3.6 and a 60-fold preference for NADPH over NADH. In this study, the influence of aeration and the response to the addition of electron acceptors on xylose fermentation by F. oxysporum were also studied. The batch cultivation of F. oxysporum on xylose was performed under aerobic, anaerobic and oxygen-limited conditions in stirred tank reactors. Oxygen limitation had considerable influence on xylose metabolism. Under anaerobic conditions (0 vvm), xylitol was the main product with a maximum yield of 0.34 mole of xylitol/mole of xylose while the maximum ethanol yield (1.02 moles of ethanol/mole of xylose) was obtained under aerobic conditions (0.3 vvm). When the artificial electron acceptor acetoin was added to an anaerobic batch fermentation of xylose by F. oxysporum, the ethanol yield increased while xylitol excretion was also decreased. | en_US |
dc.language | eng | en_US |
dc.publisher | Society for Biotechnology, Japan. The Journal's web site is located at http://www.jstage.jst.go.jp/browse/jbb/_vols/-char/en | en_US |
dc.relation.ispartof | Journal of Bioscience and Bioengineering | en_US |
dc.subject | Acetoin | en_US |
dc.subject | Fusarium Oxysporum | en_US |
dc.subject | Xylose | en_US |
dc.subject | Xylose Reductases | en_US |
dc.title | NADPH-dependent D-aldose reductases and xylose fermentation in Fusarium oxysporum | en_US |
dc.type | Article | en_US |
dc.identifier.email | Panagiotou, G: gipa@hku.hk | en_US |
dc.identifier.authority | Panagiotou, G=rp01725 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-2942626136 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-2942626136&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 97 | en_US |
dc.identifier.issue | 5 | en_US |
dc.identifier.spage | 299 | en_US |
dc.identifier.epage | 304 | en_US |
dc.publisher.place | Japan | en_US |
dc.identifier.scopusauthorid | Panagiotou, G=8566179700 | en_US |
dc.identifier.scopusauthorid | Christakopoulos, P=7006479823 | en_US |
dc.identifier.issnl | 1347-4421 | - |