Table 2 Genomes of strains harbouring at least 5 different nic-genes and their localization

Paenarthrobacter nicotinovorans

ATCC 49919

GCA_021919345.1

pAO1

Identical nic-genes cluster

Paenarthrobacter nicotinovorans

JCM 3874

GCA_014648735.1

contig, BMRR01000008.1

Paenarthrobacter nicotinovorans

DSM 420

GCA_017876445.1

contig, JAGINZ010000002.1

Arthrobacter sp.

NtRootD5

GCA_019977175.1

pNtRootD5-1

Arthrobacter sp.

NtRootC7

GCA_019977135.1

pNtRootC7-1

Arthrobacter sp.

NtRootA4

GCA_019977095.1

pNtRootA4

Arthrobacter sp.

NtRootC45

GCA_019977155.1

pNtRootC45

Arthrobacter sp.

NtRootA2

GCA_019976995.1

pNtRootA2-2

Arthrobacter sp.

NicSoilB11

GCA_019977375.1

pNicSoilB11-2

syntenic nic-genes cluster

Arthrobacter sp.

NicSoilE8

GCA_019977415.1

pNicSoilE8-2

Arthrobacter sp.

TES

GCA_014863565.1

pTES1

Paenarthrobacter ureafaciens

CZY1

GCA_016694995.1

pCZY

Arthrobacter sp.

ZXY-2

GCA_001854365.1

pZXY21

Arthrobacter sp.

M2012083

GCA_000281065.1

contig, NZ_AKKK01000058

Paenarthrobacter sp.

YJN-5

GCA_015040095.1

chromosome

Arthrobacter sp.

NtRootA9

GCA_019977115.1

chromosome

Arthrobacter sp.

StoSoilB13

GCA_019977255.1

pStoSoilB13-1

nic genes spread within the replicon

Arthrobacter sp.

StoSoilA2

GCA_019977195.1

chromosome

Arthrobacter sp.

NicSoilC5

GCA_019977395.1

chromosome

Arthrobacter sp.

NtRootA1

GCA_019976975.1

chromosome

Arthrobacter sp.

StoSoilB5

GCA_019977235.1

chromosome

Nocardioides sp.

JQ2195

GCA_012272695.1

chromosome

Nocardioides sp.

JS614

GCA_000015265.1

chromosome

Rhodococcus opacus

R7

GCA_000736435.1

chromosome

Rhodococcus opacus

B4

GCA_000010805.1

chromosome

Rhodococcus opacus

PD630

GCA_000599545.1

chromosome

Rhodococcus opacus

PD630

GCA_020542785.1

chromosome

Rhodococcus opacus

DSM 43205

GCF_001646735.1

multiple contigs

Rhodococcus opacus

ATCC 51881

GCF_012396235.1

multiple contigs