Comparative genomic analyses of nickel, cobalt and vitamin B12 utilization

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Published online 2009 February 10. doi: 10.1186/1471-2164-10-78

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Table 7

Distribution of Ni transporters, urease and B₁₂-dependent enzymes in eukaryotes

Phylum	Num. of organisms	Ni utilization					B₁₂utilization

		Ni-utilizing organisms	NiCoT (or Nic1p)	UreH	TgMTP1*	Urease	B₁₂-utilizing organisms	MetH	MCM	RNR II
Cryptophyta	1	-	-	-	-	-	-	-	-	-
Diplomonadida	1	-	-	-	-	-	-	-	-	-
Parabasalidea	1	-	-	-	-	-	-	-	-	-
Kinetoplastida	5	-	-	-	-	-	3	3	3	-
Stramenopiles	4	4	-	4	-	4	4	4	4	3
Alveolata/Perkinsea	1	-	-	-	-	-	1	1	-	-
Alveolata/Apicomplexa	13	-	-	-	-	-	-	-	-	-
Alveolata/Ciliophora	2	-	-	-	-	-	-	-	-	-
Rhodophyta	1	-	-	-	-	-	-	-	-	-
Viridiplantae/Chlorophyta	3	3	-	3	-	3	3	3	-	-
Viridiplantae/Streptophyta	3	3	-	3	3	3	-	-	-	-
Dictyosteliida	1	-	-	-	-	-	1	1	1	1
Entamoebidae	3	-	-	-	-	-	-	-	-	-
Fungi/Ascomycota/Pezizomycotina	29	28	28	-	-	28	-	-	-	-
Fungi/Ascomycota/Saccharomycotina	24	-	-	-	-	-	-	-	-	-
Fungi/Ascomycota/Schizosaccharomycetes	2	2	2	-	-	2	-	-	-	-
Fungi/Basidiomycota	8	8	8	-	-	8	-	-	-	-
Fungi/Microsporidia	1	-	-	-	-	-	-	-	-	-
Fungi/Zygomycota	1	1	1	-	-	1	-	-	-	-
Metazoa/Pseudocoelomata/Nematoda	3	-	-	-	-	-	3	3	3	-
Metazoa/Coelomata/Others	2	2	-	-	-	2	2	2	2	-
Metazoa/Coelomata/Arthropoda (Insects)	19	-	-	-	-	-	-	-	-	-
Metazoa/Coelomata/Chordata/Others	10	-	-	-	-	-	10	10	10	-
Metazoa/Coelomata/Chordata/Mammals	22	-	-	-	-	-	22	22	22	-

Total	160	51	39	10	3	51	49	49	45	4

*: TgMTP1, Ni-related subfamily of cation-efflux family; MetH: B₁₂-dependent methionine synthase.

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