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@ARTICLE{Blombach:1232,
author = {Blombach, B. and Schreiner, M. E. and Bartek, T. and
Oldiges, M. and Eikmanns, B. J.},
title = {{C}orynebacterium glutamicum tailored for high-yield
{L}-valine production},
journal = {Applied Microbiology and Biotechnology},
volume = {79},
issn = {0175-7598},
address = {Berlin},
publisher = {Springer},
reportid = {PreJuSER-1232},
pages = {471 - 479},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {We recently engineered the wild type of Corynebacterium
glutamicum for the growth-decoupled production of L: -valine
from glucose by inactivation of the pyruvate dehydrogenase
complex and additional overexpression of the ilvBNCE genes,
encoding the L-valine biosynthetic enzymes acetohydroxyacid
synthase, isomeroreductase, and transaminase B. Based on the
first generation of pyruvate-dehydrogenase-complex-deficient
C. glutamicum strains, a second generation of high-yield
L-valine producers was constructed by successive deletion of
the genes encoding pyruvate:quinone oxidoreductase,
phosphoglucose isomerase, and pyruvate carboxylase and
overexpression of ilvBNCE. In fed-batch fermentations at
high cell densities, the newly constructed strains produced
up to 410 mM (48 g/l) L-valine, showed a maximum yield of
0.75 to 0.86 mol/mol (0.49 to 0.56 g/g) of glucose in the
production phase and, in contrast to the first generation
strains, excreted neither pyruvate nor any other by-product
tested.},
keywords = {Bacterial Proteins: genetics / Bacterial Proteins:
metabolism / Biomass / Biosynthetic Pathways /
Corynebacterium glutamicum: enzymology / Corynebacterium
glutamicum: genetics / Corynebacterium glutamicum:
metabolism / Fermentation / Gene Expression / Genetic
Engineering / Ketol-Acid Reductoisomerase: genetics /
Ketol-Acid Reductoisomerase: metabolism / Oxidoreductases:
genetics / Oxidoreductases: metabolism / Pyruvate
Dehydrogenase Complex: genetics / Pyruvate Dehydrogenase
Complex: metabolism / Transaminases: genetics /
Transaminases: metabolism / Valine: metabolism / Bacterial
Proteins (NLM Chemicals) / Pyruvate Dehydrogenase Complex
(NLM Chemicals) / Valine (NLM Chemicals) / Oxidoreductases
(NLM Chemicals) / Ketol-Acid Reductoisomerase (NLM
Chemicals) / Transaminases (NLM Chemicals) /
branched-chain-amino-acid transaminase (NLM Chemicals) / J
(WoSType)},
cin = {IBT-2},
ddc = {570},
cid = {I:(DE-Juel1)VDB56},
pnm = {Biotechnologie},
pid = {G:(DE-Juel1)FUEK410},
shelfmark = {Biotechnology $\&$ Applied Microbiology},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:18379776},
UT = {WOS:000256026800016},
doi = {10.1007/s00253-008-1444-z},
url = {https://juser.fz-juelich.de/record/1232},
}