Table 3

Archaea and archaeal virus class I RNRs and nearest bacterial/phage neighbours*

Organism

NCBI acc. nos

operon organisation

Comment


1

Halomicrobium mukohataei DSM 12286

NrdA: ZP_03875490

5'-nrdR-nrdB-nrdA-3'

NrdB: ZP_03875489

NrdJ: ZP_03874310

NrdR: ZP_03875488


2

Halorubrum lacusprofundi ATCC 49239

NrdA: YP_002564381

5'-nrdR-nrdB-nrdA-3'

Class I on chromosome 2 (NC_012028, 0.5 Mb), class II on chromosome 1 (NC_012029, 2.7 Mb)

NrdB: YP_002564382

NrdJ: YP_002567020

NrdR: YP_002564383


3

Natronomonas pharaonis DSM 2160

NrdA: YP_327711

5'-nrdR-nrdB-nrdA-3'

Class I on plasmid (NC_007427), class II on main chromosome (NC_007426)

NrdB: YP_327710

NrdJ: YP_327319

NrdR: YP_327708


4

Halophage AAJ-2005

NrdA: ABB77922

5'-nrdB-nrdA-3'

NrdB: ABB77921

NrdJ: ABB77927


5

Salinibacter ruber DSM 13855

NrdA: YP_444285

5'-nrdB-nrdA-3'

The NrdA gene contains a group I intron

NrdB: YP_444284

NrdJ: YP_444446


6

Halobacterium sp. NRC-1

NrdA: NP_280998

5'-nrdA-nrdB-3'

Radical Y to F substitution

NrdB: NP_280997

NrdJ: NP_280419


7

Halobacterium salinarum R1

NrdA: YP_001690130

5'-nrdA-nrdB-3'

Radical Y to F substitution

Both subunits identical to Halobacterium sp. NRC-1

NrdB: YP_001690129

NrdJ: YP_001689532


8

Halogeometricum borinquense DSM 11551

NrdA: ZP_04000564

5'-nrdR-nrdA-nrdB-3'

Radical Y to F substitution

NrdB: ZP_04000565

NrdJ: ZP_03999548

NrdR: ZP_04000563


9

Halorhabdus utahensis DSM 12940

NrdA: YP_003131237

5'-nrdR-nrdA-nrdB-3'

Radical Y to F substitution

NrdB: YP_003131236

NrdD: YP_003130508

NrdG: YP_003130507

NrdJ: YP_003130199

NrdR: YP_003131238


10

Natrialba magadii ATCC 43099

NrdA: ZP_03692957

5'-nrdR-nrdA-nrdB-3

Radical Y to F substitution

NrdB: ZP_03692956

NrdJ: ZP_03694849

NrdR: ZP_03692958


11

Chlamydia trachomatis D/UW-3/CX

NrdA: NP_220348

5'-nrdR-nrdA-nrdB-3

Radical Y to F substitution

NrdB: NP_220349

NrdR: NP_219916


*Rows 1-3: archaeal class I RNRs transferred from halophilic bacteria, together with class I RNRs from the salt-tolerant bacterium Salinibacter ruber and a halophage (bold font, rows 4 & 5). Rows 6-10: archaeal class I RNRs that are similar to the sequences from the bacterium Chlamydia trachomatis (bold, row 11).

Lundin et al. BMC Evolutionary Biology 2010 10:383   doi:10.1186/1471-2148-10-383

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