Abstract:
AIMS:The physiological consequences of low external oxidoreduction potential in Leuconostoc mesenteroides were investigated. METHODS AND RESULTS:Leuconostoc mesenteroides was grown under two initial oxidoreduction potential conditions (Eh7: +200 mV and -400 mV) using nitrogen and hydrogen as reducing agents. Growth was affected by Eh7; the lag phase increased from 1 h at an initial Eh7 of +200 mV to 6 h at an initial Eh7 of -400 mV; the maximum specific growth rate at -400 mV was 68% of the one observed at +200 mV. The NADH/NAD+ ratio and (NADH + NAD+) pool were independent of the external Eh7. CONCLUSIONS:This study shows that changing the external oxidoreduction potential from +200 to -400 mV has a strong effect on the Leuc. mesenteroides physiology. The constancy of the maximum carbon and energetic fluxes (qglu, qATP) under the two Eh7 conditions accompanied by the decrease of YX/S and YATP suggested the existence of an uncoupling phenomenon, namely that some catabolized glucose and hence ATP was not associated with biomass production. SIGNIFICANCE AND IMPACT OF THE STUDY:This paper demonstrates the usefulness of taking into account, the effect of the oxidoreduction potential on the growth of Leuc. mesenteroides in the fermentation process.
journal_name
J Appl Microbioljournal_title
Journal of applied microbiologyauthors
Bourel G,Henini S,Diviès C,Garmyn Ddoi
10.1046/j.1365-2672.2003.01832.xsubject
Has Abstractpub_date
2003-01-01 00:00:00pages
280-8issue
2eissn
1364-5072issn
1365-2672pii
1832journal_volume
94pub_type
杂志文章abstract:AIMS:To investigate the bactericidal activity of lactoferrin-derived peptides and a new LF-derived peptides chimera (LFchimera) against P. aeruginosa and the influence on virulence factors of P. aeruginosa. METHODS AND RESULTS:Lactoferricin (LFcin) and lactoferrampin (LFampin) are highly bioactive peptides isolated fr...
journal_title:Journal of applied microbiology
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doi:10.1111/j.1365-2672.2010.04751.x
更新日期:2010-10-01 00:00:00
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journal_title:Journal of applied microbiology
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abstract::Two abundant surface proteins, EA1 and Sap, are components of the Bacillus anthracis surface layer (S-layer). Their corresponding genes have been cloned, shown to be clustered on the chromosome and sequenced. EA1 and Sap each possess three 'S-layer homology' motifs. Single and double disrupted mutants were constructed...
journal_title:Journal of applied microbiology
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更新日期:2004-01-01 00:00:00
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journal_title:Journal of applied microbiology
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更新日期:2020-12-10 00:00:00
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journal_title:Journal of applied microbiology
pub_type: 杂志文章
doi:10.1046/j.1365-2672.1998.853464.x
更新日期:1998-09-01 00:00:00
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doi:10.1111/jam.12960
更新日期:2015-12-01 00:00:00
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journal_title:Journal of applied microbiology
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doi:10.1111/jam.14097
更新日期:2018-09-04 00:00:00
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journal_title:Journal of applied microbiology
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2672.2012.05394.x
更新日期:2012-12-01 00:00:00
abstract::The genus Lactococcus comprises 12 species, some known for decades and others more recently described. Lactococcus piscium, isolated in 1990 from rainbow trout, is a psychrotrophic lactic acid bacterium, probably disregarded because most of the strains are unable to grow at 30°C. During the last 10 years, this species...
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更新日期:2016-10-01 00:00:00
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journal_title:Journal of applied microbiology
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doi:10.1111/j.1365-2672.2004.02472.x
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journal_title:Journal of applied microbiology
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更新日期:2005-01-01 00:00:00
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journal_title:Journal of applied microbiology
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更新日期:2005-01-01 00:00:00
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journal_title:Journal of applied microbiology
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更新日期:2014-08-01 00:00:00
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更新日期:2020-08-01 00:00:00
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更新日期:2012-03-01 00:00:00
abstract:AIMS:The environmental pathogen Streptococcus uberis causes intramammary infections in dairy cows. Because biofilm growth might contribute to Strep. uberis mastitis, we conducted a biological screen to identify genes potentially involved in the regulation of biofilm growth. METHODS AND RESULTS:By screening a transposo...
journal_title:Journal of applied microbiology
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更新日期:2015-01-01 00:00:00
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更新日期:2008-03-01 00:00:00
abstract::Thirty isolates of Listeria monocytogenes and 18 of L. innocua obtained from different short-ripened cheeses manufactured in Asturias (northern Spain), were compared with each other and with reference strains using serotype, phage type and pulsed-field restriction endonuclease digestion profiles analysis of the total ...
journal_title:Journal of applied microbiology
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更新日期:1998-02-01 00:00:00
abstract:AIMS:The aims of this study were to: (1) estimate the effectiveness of ultraviolet radiation (UV) and sulfuric-acid based fertilizer (SA), at reducing levels of generic Escherichia coli in surface irrigation water and on produce and surface soil in open produce fields; and (2) describe the population dynamics of generi...
journal_title:Journal of applied microbiology
pub_type: 杂志文章
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更新日期:2021-01-22 00:00:00
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journal_title:Journal of applied microbiology
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更新日期:2019-06-01 00:00:00