Table 3 Stress related genes within the ten investigated eukaryotes. Numbers reflect the number of putative genes retrieved within each gene category (See Additional file 1 for details)

Tardigrade unique proteins^a

0

23

32

25

0

0

0

0

0

0

Late Embryogenesis Abundant (LEA) ^b

5

6

9

7

0

2

0

0

0

0

Heat shock proteins^c

56

65

59

117

79

65

90

77

96

45

RNA/DNA Chaperones_Cold Shock Domain containing^d

3

1

1

1

1

6

5

5

3

0

DNA repair

(58)

(91)

(74)

(80)

(61)

(57)

(77)

(73)

(74)

(57)

 TP53 ^e

0

1

1

1

1

1

3

3

3

0

 Base excision repair^f

18

31

24

27

15

13

22

21

19

14

 Mismatch repair^g

15

20

13

16

10

12

14

14

14

14

 Nucleotide excision repair^h

18

23

18

21

15

16

18

17

19

15

 Non-homologous end-joiningⁱ

0

5

6

6

8

3

5

5

5

5

 Homologous recombination^j

7

11

12

9

12

12

15

13

14

9

Antioxidative stress

(70)

(79)

(79)

(89)

(82)

(89)

(66)

(53)

(68)

(29)

 Superoxide dismutases (SOD_CuZn; SOD_Mn)

8

14

17

15

6

6

4

2

5

3

 Catalase (CAT)

0

4

4

4

2

3

1

2

1

2

 Peroxiredoxins (PRDX)

5

7

9

12

9

3

6

6

6

3

 Thioredoxins (TXN; TXNRD; TXNL; TMX)

12

13

10

12

14

11

14

12

14

8

 Glutaredoxin (GLRX)

5

4

3

3

4

6

4

4

4

5

 Glutathione-disulfide reductase (GSR)

1

1

1

1

0

1

1

1

1

1

 Glutathione peroxidase (GPX)

2

1

1

1

2

8

8

6

9

3

 Glutathione synthetase (GSS)

1

2

2

3

2

1

1

1

1

1

 Soluble glutathione S-transferases (GST soluble)

35

30

31

34

38

49

22

13

20

2

 Microsomal glutathione S-transferases (microsomal GST)

0

2

0

2

3

0

4

5

6

0

 Glucose-6-phosphate dehydrogenase (G6PD)

1

1

1

2

2

1

1

1

1

1

Peroxisomal biogenesis factors^k

4

3

5

2

17

13

21

21

23

12

Trehalose metabolism

(3)

(9)

(10)

(9)

(5)

(8)

(2)

(2)

(2)

(7)

 Trehalose-phosphate synthase/phosphatase (TPS-TPP)

0

1

1

0

2

3

0

0

0

4

 Trehalases (PGGHG/ATHL1, TREH)

3

8

9

9

3

5

2

2

2

3