Table 1.

Distribution of characterized DSR clones by depth and phylogenetic affiliation

Clade or lineageClone(s) (GenBank accession no.) found at indicated depth (mm) in indicated mat zone
Permanently oxicFluctuating oxic-anoxicPermanently anoxicLongitudinal section
0.050.30.40.61.62.04.09.0
Clade A237 (AF179340 , AF179320 ), 244 (AF179341 , AF179321 )78 (AF179332 , AF179312 ), 74  (AF179333 ,  AF179313 )934 (AF179345 , AF179325 ), 91 (AF179331 ,  AF179311 )22 (AF179347 ,AF179327 ), B5 (AF179348 ,  AF179328 )4022a , 4023 (AF179342 , AF179322 )918 (AF179337 ,AF179317 ), 919 (AF179338 ,  AF179318 )
Clade B713 (AF179343 , AF179323 ), 716 (AF179344 ,  AF179324 ), 72a8033 (AF179335 ,AF179315 )13a
Lineage C9 (AF179346 ,AF179326 )52 (AF179330 ,  AF179310 )
Lineage D8037 (AF179336 , AF179316 )
Clade E9065a50  (AF179329 ,  AF179309 )
Lineage F917 (AF179334 ,AF179314 ), 920 (AF179339 ,  AF179319 )
  • a Not shown in the phylogenetic DSR tree (Fig. 2) due to limited sequence information. Phylogenetic affiliation of these cloned DSR sequences was determined by analyzing a reduced number of positions by the different treeing methods (data not shown).