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Table 1 Distribution of COG4636+ family members among different bacteria.

From: Identification of a new family of putative PD-(D/E)XK nucleases with unusual phylogenomic distribution and a new type of the active site

organism / genome

phylum

habitat

data source

COG4636+ members

    

total

disrupted

Gloeobacter violaceus PCC 7421

Cyanobacteria

calcareous rock

C

95

1

Nostoc punctiforme PCC 73102

Cyanobacteria

cycad (endosymbiont)

WGS

71

7

Crocosphaera watsonii WH 8501

Cyanobacteria

marine water

WGS

62

1

Nostoc sp. PCC 7120

Cyanobacteria

fresh water

C

58

1

Anabaena variabilis ATCC 29413

Cyanobacteria

fresh water

WGS

45

5

Synechocystis sp. PCC 73102

Cyanobacteria

fresh water

C

36

1

Thermus thermophilus HB27

Deinococcus-Thermus

thermal environment

C

14

-

Trichodesmium erythraeum IMS101

Cyanobacteria

marine water

WGS

10

3

Desulfitobacterium hafniense DCB-2

Firmicutes

sewage sludge

WGS

8

-

Chloroflexus aurantiacus

Chloroflexi

fresh water (hot springs)

WGS

7

-

Streptomyces coelicolor A3(2)

Actinobacteria

soil

C

6

-

Rhodopirellula baltica SH 1

Planctomycetes

marine water

C

5

1

Moorella thermoacetica ATCC 29413

Firmicutes

fresh water (ponds)

WGS

3

-

Deinococcus radiodurans R1

Deinococcus-Thermus

unknown

C

3

-

Magnetospirillum magnetotacticum MS-1

Proteobacteria

fresh water (ponds)

WGS

2

1

Synechococcus elongatus PCC 73102

Cyanobacteria

fresh water

WGS

2

-

Aquifex aeolicus VF5

Aquificae

fresh water (hot springs)

C

2

-

Kineococcus radiotolerans SRS30216

Actinobacteria

unknown (isolated from radioactive work area)

WGS

2

-

Caulobacter crescentus CB15

Proteobacteria

fresh water

C

1

-

Thermosynechococcus elongatus BP-1

Cyanobacteria

fresh water (hot springs)

C

1

-

Synechococcus sp. PCC 73102

Cyanobacteria

brackish (euryhaline) and/or marine water

UGS

1

-

Microcystis aeruginosa

Cyanobacteria

fresh water (lakes, ponds and rivers)

NR

1

-

Prochlorococcus marinus str. MIT9313

Cyanobacteria

marine water

C

-

-

Prochlorococcus marinus subsp. marinus CCMP1375

Cyanobacteria

marine water

C

-

-

Prochlorococcus marinus subsp. pastoris CCMP1986

Cyanobacteria

marine water

C

-

-

Synechococcus sp. WH 8102

Cyanobacteria

marine water

C

-

-

  1. C – Completed genomic sequence, WGS – Whole Genome Shotgun, UGS – Unfinished Genomic Sequence, NR – non-redundant database (NCBI). ORFs were regarded as "disrupted" if they bear frameshift mutations or stop codons.
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BMC Genomics

ISSN: 1471-2164

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