Table 2.

Aromatic acids degraded by different E. colistrainsa

StrainNo. examinedAromatic acid utilized as sole carbon and energy sourceb:
PAHPAPP3HPP3HCI
B1++++
C1++++
K-122+c +++
W2+++++
NCTC 59281++++
Clinical isolates19
5+
2++
8+++
1+
2++
3++++
27+++++
  • a Modified from reference36.

  • b Abbreviations: HPA, 3- and 4-hydroxyphenylacetic acid; 3HCI, 3-hydroxycinnamic acid; 3HPP, 3-hydroxyphenylpropionic acid; PA, phenylacetic acid; PP, phenylpropionic acid.

  • c Some E. coli K-12 derivatives such as DH5α, HB101, JM109, CC118, and DH1 do not grow on PA.