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Table 1 The twelve families of universally conserved genes missing in mammals

From: Eleven ancestral gene families lost in mammals and vertebrates while otherwise universally conserved in animals

Gene Family Name1

A.t2

S.c2

A.g2

D.m2

C.e2

Loss extends to

Function

EC

KEGG pathway

ACH

0

1

1

1

1

Deutero.

Acetyl-CoA Hydrolase, Pyruvate Metabolism

3.1.2.1

sce00620

TPS

4

1

1

1

2

Deutero.

Trehalose 6P biosynthesis

2.4.1.15

Sce00500

YD56

4

3

2

1

1

Chordates

Multicopper Ion transporter

1.-.-.-

XXX

YMT1

1

1

1

3

1

Chordates

Putative oxidroeductase and K+ ion transporter

XXX

XXX

PNC1

0

1

1

1

1

Chordates

Nicotinate and Nicotinamide Metabolism

3.5.1.19

sce00760

YM74

3

2

1

1

1

Chordates

Transcription factor activity/DNA Binding

XXX

XXX

THDH1/ILV1

1

1

1

1

2

Chordates

Leucine, Isoleucine, Valine Biosynthesis. Threonine Metabolism

4.3.1.19

sce00260

GLT

1

1

1

1

1

Chordates

Glutamate synthesis

1.4.1.13

sce00251 sce00910

AMT/MEP -1,2,3

6

3

1

1

4

Eu-chordates

Amonium Transporter

XXX

XXX

YKH1

0

1

1

1

9

Mammals

Metabolism, oxidoreductase

XXX

XXX

URH1

2

1

3

3

2

Mammals

Uridine catabolism, hydrolase activity

3.2.2.3

XXX

  1. 1 Gene family name is given according to the gene's name in Saccharomyces cerevisiae.
  2. 2 Number of gene copies from the considered family present in the genome, for each model species, A.t = Arabidopsis thaliana, S.c = Saccharomyces cerevisiae, A.g = Anopheles gambiae, D.m = Drosophila melanogaster, C.e = Caenorhabditis elegans.
  3. 3 KEGG's biochemical pathway's accession number for Saccharomyces cerevisiae.