TABLE 1.

Summary of all publicly available sponge-derived 16S rRNA sequence data (as of 28 February 2006) plus 184 bacterial and archaeal sequences contributed from this article

Phylogenetic affiliationTotal no. of sequencesNo. of sequences of >1,000 bpNo. of sequences% of sequences in clusters obtained from:
UncultivatedObtained from an isolateExclusively spongesaSponges and coralsSponges and one nonsponge organism
Bacteria1,630592
    Acidobacteria66966056424
    Actinobacteria266991909238 (45)01
    Bacteroidetes772046310 (4)010
    Chloroflexi et al.10948109062 (75)00
    Cyanobacteria1196811177900
    Deinococcus-Thermus2020000
    Firmicutes96314551900
    Gemmatimonadetes16516025560
    Lentisphaerae1110000
    Nitrospira14614057290
    Planctomycetes11492000
    “Poribacteria211021010000
    Proteobacteria
        Alpha-31112519611514 (22)04
        Beta/Gamma-43011429813434 (37)00
        Delta-482548015406
    Spirochaetes62606700
    TM61110000
    Verrucomicrobia13131212300
    Uncertain affiliation23112307800
Archaea4410
    Crenarchaeota431043028 (42)00
    Euryarchaeota1010000
Eukaryab206182
Total1,6946081,2594355467443
  • a Numbers in parentheses are inclusive of clusters which are supported by only two of three tree construction methods.

  • b Includes both 18S rRNA- and 16S rRNA (plastid)-derived sequences.