Table 2 Strains, plasmids, and primers.

From: Production of itaconate by whole-cell bioconversion of citrate mediated by expression of multiple cis-aconitate decarboxylase (cadA) genes in Escherichia coli

Strain, plasmid, and primer

Relevant information

Source or reference

Bacterial strains

E. coli strains

DH5α

F φ80lacZ M15 endA recA hsdR(rkmk) supE thi gyrA relA Δ(lacZYA-argF)U169

42

BL21(DE3)

F ompT hsdSB(rBmB) gal dcm

Novagen

JY001

BL21(DE3) carrying pHMS01 & pHMS05

(This study)

JY002

BL21(DE3) carrying pHMS01 & pHMS06

(This study)

Plasmids

 pACYC-duet1

Co-expression vector, Cmr. 2 MCS site with T7 promoter, lac operator, RBS. P15A replicon. 10 to 12 copy number.

Novagen

 pCDF-duet1

Co-expression vector, Specr. 2 MCS site with T7 promoter, lac operator, RBS. CloDF13 replicon. 20 to 40 copy number.

Novagen

 pRSF-duet1

Co-expression vector, Kmr. 2 MCS site with T7 promoter, lac operator, RBS. RSF1030 replicon(NTP1). Over 100 copy number.

Novagen

 pHMS01

pCDF- duet1, Specr, cadA (MCS1) and acn (MCS2).

(This study)

 pHMS02

pACYC-duet1, Cmr, cadA (MCS1).

(This study)

 pHMS03

pRSF-duet1, Kmr, cadA (MCS1).

(This study)

 pHMS04

pACYC-duet1, Cmr, 2 cadA (MCS1,2).

(This study)

 pHMS05

pRSF-duet1, Kmr, 2 cadA (MCS1,2).

(This study)

 pHMS06

pRSF-duet1, Kmr, 2 cadA (MCS1,2), citT (MCS1).

(This study)

Primers

acn F

CTCTAT CATATG ATGGAGCTCACTGTGACTGA

 

acn R

CTCT GATATC TTACTTAGAAGAAGCAGCCATC

 

cadA F (MCS1)

CTCT GGATCC AATGACCAAGCAGAGCGCAG

 

cadA R (MCS1)

CTCT GAGCTC TTAAACCAGCGGGGATTTAAC

 

cadA F (MCS2)

ATCGTC CATATG ATGACCAAGACGAGCGCAG

 

cadA R (MCS2)

CTCT CTCGAG TTAAACCAGCGGGGATTTAAC

 

citT F

CTCT GAGCTC GCACTTGATAAATTTGGAAA

 

citT R

CTCTCT GCGGCCGC TTAGTTCCACATGGCGAG