TABLE 4.

rRNA hybridization values for different MGP sediment layers

Oligonucleotide probe% Range of universal rRNA (normalized) at a sediment core depth range (cm) of:% Clone abundance at a sediment depth of 0-1 and 1.5-2.5 cmc
0-1a1-4b
EUB33854.3 (9.0)74.2 (7.1)ND
EUK137920.6 (6.8)10.4 (2.6)ND
ARC9156.2 (1.2)1.1 (0.4)18.2, 5.1
GB23S42a23.4 (6.7)27.5 (7.5)41.8, 42.9−
GAM66026.8 (7.1)22.1 (5.7)16.5, 14.7−
DSS658a1.9 (0.8)8.8 (2.3)1.1, 7.3
FLA319a10.4 (3.9)12.0 (11.4)14.7, 5.7
PLA9271.9 (1.5)3.9 (3.5)1.5, 4.6
  • a Sediment cores (13GB02C, 27GB15C).

  • b Sediment cores (25GB13B, 28GB16C, 29GB18B).

  • c From MGP sediment 10GC01 over depths of 0 to 0.4 cm and 1.5 to 2.5 cm. Data are from reference 8. ND, not determined.