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@ARTICLE{Unthan:138179,
author = {Unthan, Simon and Grünberger, Alexander and van Ooyen, Jan
and Gätgens, Jochem and Heinrich, Johanna and Paczia,
Nicole and Wiechert, Wolfgang and Kohlheyer, Dietrich and
Noack, Stephan},
title = {{B}eyond growth rate 0.6: {W}hat drives {C}orynebacterium
glutamicum to higher growth rates in defined medium},
journal = {Biotechnology $\&$ bioengineering},
volume = {111},
number = {2},
issn = {0006-3592},
address = {New York, NY [u.a.]},
publisher = {Wiley},
reportid = {FZJ-2013-04404},
pages = {359–371},
year = {2014},
abstract = {In a former study we showed that Corynebacterium glutamicum
grows much faster in defined CGXII glucose medium when
growth was initiated in highly diluted environments
[Grünberger et al. (2013b) Biotechnol Bioeng]. Here we
studied the batch growth of C. glutamicum in CGXII at a
comparable low starting biomass concentration of
OD ≈ 0.005 in more detail. During bioreactor
cultivations a bi-phasic growth behavior with changing
growth rates was observed. Initially the culture grew with
inline image before the growth rate dropped to inline image.
We were able to confirm the elevated growth rate for C.
glutamicum in CGXII and showed for the first time a growth
rate beyond 0.6 in lab-scale bioreactor cultivations on
defined medium. Advanced growth studies combining
well-designed bioreactor and microfluidic single-cell
cultivations (MSCC) with quantitative transcriptomics,
metabolomics and integrative in silico analysis revealed
protocatechuic acid as a hidden co-substrate for accelerated
growth within CGXII. The presented approach proves the
general applicability of MSCC to investigate and validate
the effect of single medium components on microorganism
growth during cultivation in liquid media, and therefore
might be of interest for any kind of basic growth study},
cin = {IBG-1},
ddc = {570},
cid = {I:(DE-Juel1)IBG-1-20101118},
pnm = {899 - ohne Topic (POF2-899)},
pid = {G:(DE-HGF)POF2-899},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000330969300014},
doi = {10.1002/bit.25103},
url = {https://juser.fz-juelich.de/record/138179},
}