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Article: Kinetic models for heterotrophic growth of Chlamydomonas reinhardtii in batch and fed-batch cultures

TitleKinetic models for heterotrophic growth of Chlamydomonas reinhardtii in batch and fed-batch cultures
Authors
KeywordsAcetate
Chlamydomonas reinhardtii
Kinetic model
Nitrogen sources
Issue Date1999
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/procbio
Citation
Process Biochemistry, 1999, v. 35 n. 3-4, p. 385-389 How to Cite?
AbstractHeterotrophic growth of Chlamydomonas reinhardtii using acetate as a carbon source and nitrate, ammonium and urea as nitrogen sources in batch cultures was investigated. These nitrogen sources supported good growth of C. reinhardtii, the resulting cell concentrations for nitrate, ammonium chloride and urea were 0.48, 0.44 and 0.61 g l-1, respectively. The specific growth rate μ(x) of the urea culture was the highest (0.071 h-1), followed by that of the nitrate culture (0.062 h-1), and the specific growth rate μ(x) of the ammonium culture was the lowest (0.058 h-1). Urea is therefore considered to be the best nitrogen source for the growth of the alga. Based on these results fed-batch cultures were performed to reach the maximum cell concentration of 1.1482 g l-1, about 1.9-fold that obtained in batch culture. Finally, a group of kinetic models for describing cell growth, pH variation and acetate consumption were proposed and a satisfactory fit between the experimental results and predicted values was demonstrated. The effects of dilution rate and acetate feed concentration on cell growth were analyzed with those with these models.
Persistent Identifierhttp://hdl.handle.net/10722/68638
ISSN
2015 Impact Factor: 2.529
2015 SCImago Journal Rankings: 0.937
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, XWen_HK
dc.contributor.authorChen, Fen_HK
dc.contributor.authorJohns, MRen_HK
dc.date.accessioned2010-09-06T06:06:21Z-
dc.date.available2010-09-06T06:06:21Z-
dc.date.issued1999en_HK
dc.identifier.citationProcess Biochemistry, 1999, v. 35 n. 3-4, p. 385-389en_HK
dc.identifier.issn1359-5113en_HK
dc.identifier.urihttp://hdl.handle.net/10722/68638-
dc.description.abstractHeterotrophic growth of Chlamydomonas reinhardtii using acetate as a carbon source and nitrate, ammonium and urea as nitrogen sources in batch cultures was investigated. These nitrogen sources supported good growth of C. reinhardtii, the resulting cell concentrations for nitrate, ammonium chloride and urea were 0.48, 0.44 and 0.61 g l-1, respectively. The specific growth rate μ(x) of the urea culture was the highest (0.071 h-1), followed by that of the nitrate culture (0.062 h-1), and the specific growth rate μ(x) of the ammonium culture was the lowest (0.058 h-1). Urea is therefore considered to be the best nitrogen source for the growth of the alga. Based on these results fed-batch cultures were performed to reach the maximum cell concentration of 1.1482 g l-1, about 1.9-fold that obtained in batch culture. Finally, a group of kinetic models for describing cell growth, pH variation and acetate consumption were proposed and a satisfactory fit between the experimental results and predicted values was demonstrated. The effects of dilution rate and acetate feed concentration on cell growth were analyzed with those with these models.en_HK
dc.languageengen_HK
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/procbioen_HK
dc.relation.ispartofProcess Biochemistryen_HK
dc.rightsProcess Biochemistry. Copyright © Elsevier Ltd.en_HK
dc.subjectAcetateen_HK
dc.subjectChlamydomonas reinhardtiien_HK
dc.subjectKinetic modelen_HK
dc.subjectNitrogen sourcesen_HK
dc.titleKinetic models for heterotrophic growth of Chlamydomonas reinhardtii in batch and fed-batch culturesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1359-5113&volume=35&spage=385&epage=389&date=1999&atitle=Kinetic+models+for+heterotrophic+growth+of+Chlamydomonas+reinhardtii+in+batch+and+fed-batch+culturesen_HK
dc.identifier.emailChen, F: sfchen@hku.hken_HK
dc.identifier.authorityChen, F=rp00672en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0032-9592(99)00082-5en_HK
dc.identifier.scopuseid_2-s2.0-0033230932en_HK
dc.identifier.hkuros52962en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033230932&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume35en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage385en_HK
dc.identifier.epage389en_HK
dc.identifier.isiWOS:000083653200021-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZhang, XW=16044335800en_HK
dc.identifier.scopusauthoridChen, F=7404907980en_HK
dc.identifier.scopusauthoridJohns, MR=7202660598en_HK

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