Skip to main content

Table 3 Primers used for gene deletion and verification in this study

From: Metabolic engineering of the L-phenylalanine pathway in Escherichia coli for the production of S- or R-mandelic acid

Primer Name

Nucleotide Sequence

Characterization

tyrB-KO-F

5'-TTTAACCACCTGCCCGTAAACCTGGAGAACCATCGCGTG ATTCCGGGGATCCGTCGACC- 3'

Deletion primer

tyrB-KO-R

5'-ACTGCAGGCTGGGTAGCTCCAGCCTGCTTTCCTGCATTA TGTAGGCTGGAGCTGCTTC- 3'

Deletion primer

tyrB-V-F

5'- CTGTTGCTAATTGCCGTTCG - 3'

Verification primer

tyrB-V-R

5'- CACGTAGAACGATGGCATCA - 3'

Verification primer

aspC-KO-F

5'-CGGACTTCCCTTCTGTAACCATAATGGAACCTCGTCATG ATTCCGGGGATCCGTCGACC- 3'

Deletion primer

aspC-KO-R

5'-AGCCCGCTTTTCAGCGGGCTTCATTGTTTTTAATGC TTA TGTAGGCTGGAGCTGCTTC- 3'

Deletion primer

aspC-V-F

5' - CCTGCGTTTTCATCAGTAATAGTTGG - 3'

Verification primer

aspC-V-R

5' - CCTTATCCGGCCTACAAAATCG - 3'

Verification primer

tyrA-V-F

5' - TATCCGTAACCGATGCCTGC - 3'

Verification primer

tyrA-V-R

5' - GGGAAATCACCCGTTCAATG - 3'

Verification primer

trpE-V-F

5' - CGTACTGAAAGGTTGGTGGCG - 3'

Verification primer

trpE-V-R

5' - AGGAGAAAGCATCAGCACCG - 3'

Verification primer

  1. Italics represent the sequences homologous to the gene to be deleted, underlined text denotes the sequence homologous to plasmid pIJ773 or pIJ778 for amplification of the resistance cassette.