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Table 2 Confirmed mutations discovered in two E. coli LGE2-evolved strains adapted to inhibitors-containing LB media

From: Mutations in adaptively evolved Escherichia coli LGE2 facilitated the cost-effective upgrading of undetoxified bio-oil to bioethanol fuel

Strain

Gene

Product description

Location

Class

Nucleotide

Codon

Protein change

E. coli-L

rssB

Regulator of σS factor (RpoS)

Cytoplasm

Regulator

â–³T664

Frame shifts

L245 ⟶ stop

yqhA

UPF0114 protein

Plasma membrane

Regulator analog

G41T

TGG ⟶ TTG

W14L

IGR of yqhC/yqhD

5’ untranslated region of yqhD

Cytoplasm

Regulator (promoter)

T77C

AAT ⟶ AAC

− 10 box change

E. coli-H

rssB

Regulator of σS factor (RpoS)

Cytoplasm

Regulator

â–³T664

Frame shifts

L245 ⟶ stop

yqhA

UPF0114 protein

Plasma membrane

Regulator analog

G41T

TGG ⟶ TTG

W14L

IGR of yqhC/yqhD

5’ untranslated region of yqhD

Cytoplasm

Regulator (promoter)

T77C

AAT ⟶ AAC

− 10 box change

basR

Transcription regulator

Cytoplasm

Regulator

T292C

TAT ⟶ CAT

Y98H