0.01

Nitratireductor aquibiodomus NL21T (AF534573)

Nitratireductor kimnyeongensis KY 101T (AM498744)

Nitratireductor basaltis J3T (EU143347)

Chelativorans oligotrophicus LPM-4T (EF457242)

Nitratireductor indicus C115T (GU447302)

Chelativorans multitrophicus DSM 9103T (EF457243)

Mesorhizobium loti LMG 6125T (X67229)

Mesorhizobium ciceri UPM-Ca7T (U07934)

Aminobacter aminovorans DSM 7048T (AJ011759)

Aminobacter ciceronei IMB-1T (AF034798)

Pseudaminobacter defluvii THI 051T (D32248)

Pseudaminobacter salicylatoxidans BN12T (AF072542)

Ahrensia kielensis IAM 12618T (D88524)

Pseudahrensia aquimaris HDW-32T (GU575117)

Lentilitoribacter donghaensis BH-4T (JX139717)

Hoeflea phototrophica NCIMB 14078T (JF957616)

Hoeflea marina LMG 128T (AY598817)

Hoeflea alexandrii AM1V30T (AJ786600)

Hoeflea anabaenae WH2KT (DQ364238)

Aquamicrobium lusatiense DSM11099T (AJ132378)

Aquamicrobium defluvii DSM 11603T (Y15403)

Phyllobacterium trifolii PETP02T (AY786080)

Phyllobacterium myrsinacearum STM 948T (AY785315)

Ensifer adhaerens LMG 20216T (AM181733)

Ochrobactrum oryzae MTCC 4195T (AM041247)

Ochrobactrum anthropi LMG 3301T (U70978)

Hyphomicrobium denitrificans DSM 1869T (Y14308)

Supplementary Fig. 2 Maximum-parsimony phylogenetic tree based on 16S rRNA gene

sequences showing the positions of Lentilitoribacter donghaensis BH-4T and

representatives of some other related taxa. Bootstrap values (expressed as percentages of

1000 replications) of > 50 % are shown at branching points. Hyphomicrobium

denitrificans DSM 1869T was used as an outgroup. Bar, 0.01 substitutions per nucleotide

position.

100

61.3

79.7

100

97.9

99.6

86.4

61.9

64.9

57.1

51.7

53.0

96.8

96.1

51.6