TABLE 3.

Phylogenetic affiliations of 16S rRNA gene clones retrieved from Hydrate Ridge sediments and Black Sea microbial mats

Phylogenetic groupNo. of clones
Hydrate RidgeBlack Sea microbial mat
Beggiatoa mat (station 19-2)Beggiatoa mat (station 19-2)Calyptogena field (station 38-1)PCR from extracted DNAPCR from fixed cells
Station 55-4Station 55-4 (black/pink)Station 14 (nodule)
2-4 cm6-7 cm2-6 cmBlackBlack/pinkPink
Euryarchaeota
    ANME-1a1131
    ANME-1b431429253282
    ANME-1 unaffiliated1
    ANME-2a7522
    ANME-2c20461
    ANME-2 unaffiliated1
    ANME-33
    Methanomicrobiales1
    Marine benthic group D1
Crenarchaeota
    Marine benthic group B309
    Unaffiliated3
Total no. of clones per library315720292533216