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Supplementary Fig. 2 Maximum-likelihood phylogenetic tree based on 16S rRNA gene sequences showing the positions of Granulosicoccus undariae W-BA3T, the type strains of Granulosicoccus species and representatives of some other related taxa. Escherichia coli ATCC 11775T (GenBank accession number, X80725) was used as an outgroup. Scale bar, 0.01 substitutions per nucleotide position. Marichromatium purpuratum DSM 1591T(AJ224439) Marichromatium gracile DSM 203T(X93473) Halochromatium salexigens DSM 4395T(X98597) Halochromatium glycolicum DSM 11080T(X93472) Thiohalocapsa halophila DSM 6210T(AJ002796) Thiohalocapsa marina JA142T(AM491592) Natronocella acetinitrilica ANL 6-2T(EF103128) Ectothiorhodosinus mongolicus M9T(AY298904) Thioalbus denitrificans Su4T(EU837269) Thioalkalivibrio denitrificans ALJDT(AF126545) Thioalkalivibrio sulfidiphilus HL-EbGr7T(EU709878) Thioalkalivibrio versutus AL 2T(AF126546) Thiorhodospira sibirica A12T(AJ006530) Thiohalospira halophila HL 3T(DQ469576) Thioprofundum lithotrophicum 106T(AB468957) Thioprofundum hispidum gps61T(AB266389) Granulosicoccus antarcticus IMCC3135T(EF495228) Granulosicoccus coccoides Z 271T(FJ535355) Granulosicoccus undariae W-BA3T(KJ855315) Sedimenticola selenatireducens AK4OH1T(AF432145) Thioalkalispira microaerophila ALEN 1T(AF481118) Escherichia coli ATCC 11775T(X80725) 0.01