TABLE 4

Growth kinetics of strains during syntrophic interaction

StrainSupernatant from:
B. longum UCD401L. plantarum ATCC BAA-793L. johnsonii ATCC 33200
k (h−1)ΔODasymtc (h)k (h−1)ΔODasymtc (h)k (h−1)ΔODasymtc (h)
B. infantis ATCC 15697NDeNDND0.940 ± 0.106a0.066 ± 0.00810.3 ± 0.60.801 ± 0.0770.093 ± 0.00810.3 ± 0.6
B. longum UCD401NAfNANA0.632 ± 0.120b0.096 ± 0.005d12.8 ± 0.60.468 ± 0.070d0.162 ± 0.007c11.0 ± 0.0
L. plantarum ATCC BAA-7930.890 ± 0.158d0.115 ± 0.009d2.1 ± 0.9NANANANANANA
  • a Significant difference between the growth rates of B. infantis ATCC 15697 in different conditioned media determined by paired t test (P < 0.05).

  • b Significant difference between the growth rates of B. longum UCD401 in different conditioned media determined by paired t test (P < 0.05).

  • c Significant difference between the asymptotic OD values of B. longum UCD401 in different conditioned media determined by paired t test (P < 0.05).

  • d Significant difference in the growth kinetics of each strain in different conditioned media and its growth kinetics in xyloglucans alone (shown in Table 2) determined by paired t test (P < 0.05).

  • e ND, not determined.

  • f NA, not available.