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Motility and cell shape roles in the rheology of growing bacteria cultures

2019-03-01Journal article Restricted access
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dc.contributor.authorPortela, Raquel
dc.contributor.authorAlmeida, Pedro L.
dc.contributor.authorSobral, Rita
dc.contributor.authorR. Leal, Catarina
dc.date.accessioned2019-04-30T09:58:11Z
dc.date.available2019-04-30T09:58:11Z
dc.date.issued2019-03-01
dc.description.abstractCell shape, size and self-motility appear as determinant intrinsic cell factors in the rheological behavior of living bacterial cultures during the growth process. In this work three different species were considered due to their differences on these intrinsic characteristics: two different strains of Staphylococcus aureus – strain COL and its isogenic cell wall autolysis mutant, RUSAL9 – both non-motile and Escherichia coli and Bacillus subtilis – both presenting intrinsic motility. In situ real-time rheology, was used to characterize the activity of growing bacteria, under steady-shear conditions, in particular the viscosity growth curve was measured, for a constant shear flow rate, presenting for all studied cultures, different and rich flow curves. These complex rheological behaviors are a consequence of two coupled effects: the cell density continuous increase and its changing interacting properties, where cell size and shape and intrinsic motility are major players.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPORTELA, R.; [et al] – Motility and cell shape roles in the rheology of growing bacteria cultures. The European Physical Journal E. ISSN 1292-8941. Vol. 42, N.º 3 (2019), pp. 1-7pt_PT
dc.identifier.doi10.1140/epje/i2019-11787-9pt_PT
dc.identifier.issn1292-8941
dc.identifier.issn1292-895X
dc.identifier.urihttp://hdl.handle.net/10400.21/9906
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationPTDC/FISNAN/0117/2014pt_PT
dc.relationPOCI-01-0145-FEDER-007728pt_PT
dc.subjectMotilitypt_PT
dc.subjectCell shapept_PT
dc.subjectRheologypt_PT
dc.subjectBacteria culturespt_PT
dc.titleMotility and cell shape roles in the rheology of growing bacteria culturespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FCTM%2F50025%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04378%2F2013/PT
oaire.citation.endPage7pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleThe European Physical Journal E: Soft Matter and Biological Physicspt_PT
oaire.citation.volume42pt_PT
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNamePortela
person.familyNameMarques de Almeida
person.familyNameSobral
person.familyNameMarques Mendes Almeida da Rosa Leal
person.givenNameRaquel
person.givenNamePedro
person.givenNameRita
person.givenNameCatarina
person.identifierA-2814-2009
person.identifier.ciencia-id1813-219B-DD6E
person.identifier.ciencia-id0218-71B2-2DE0
person.identifier.ciencia-id7F1F-7412-A2C3
person.identifier.ciencia-idAF15-486E-BB15
person.identifier.orcid0000-0002-5559-9554
person.identifier.orcid0000-0001-7356-8455
person.identifier.orcid0000-0003-4533-7531
person.identifier.orcid0000-0001-5871-4936
person.identifier.ridB-4356-2009
person.identifier.ridH-4710-2011
person.identifier.scopus-author-id57201234562
person.identifier.scopus-author-id57190384213
person.identifier.scopus-author-id6507285825
person.identifier.scopus-author-id7005379280
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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