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Table 3 Characteristics of the Melampsora homologous gene groups (HGGs) predicted to be under positive selection (at least one pairwise ω = dN/dS > 1.2)

From: Comparative analysis of secreted protein evolution using expressed sequence tags from four poplar leaf rusts (Melampsora spp.)

HGG

NS/Sa

Length

BLASTX

Fungi UniProtKB

E-value

BLASTX

Puccinia

E-value

PFAM

Cys

ωb

205

NS

115

No hit

 

No hit

 

-

ND

2.68

254

NS

200-202

No hit

 

PGTT03363

1e-10

-

ND

2.59

1278

NS

173-175

XP_001211022 conserved hypothetical protein

[Aspergillus terreus]

3e-07

PGTT11073

1e-34

-

ND

1.88

28

S

161

No hit

 

No hit

 

-

0

1.38

92

S

271-276c (227)d

AAS45284 proline-rich antigen

[Chrysosporium lucknowense]

4e-09

PGTT01207

2e-13

CFEM

6 (2)d

1.43

729

S

269

EAT81533 hypothetical protein

[Phaeosphaeria nodorum]

7e-11

PGTT12331

7e-61

-

8

1.32

747

S

163

XP_757360 hypothetical protein

[Ustilago maydis]

1e-04

PGTT02151

2e-14

-

4

1.95

4191

S

129

No hit

 

No hit

 

-

4

1.57

5606

S

119-123e

No hit

 

No hit

 

-

6

1.76

5610

S

98

No hit

 

No hit

 

-

6g

4.31

5617

S

168-169f

No hit

 

No hit

 

-

0g

1.23

5624

S

176

No hit

 

No hit

 

-

8

1.93

6067

S

285

XP_758577 hypothetical protein

[Ustilago maydis]

6e-06

PGTT13234

5e-21

-

10g

1.27

  1. BLASTX and PFAM hits were considered significant when E-value ≤ 1e-4 and 1e-5, respectively.
  2. aNS: non-secreted; S: secreted.
  3. bHighest calculated dN/dS ratio among all pairwise comparisons within each HGG.
  4. cLength is 271 (M. medusae f. sp. deltoidae, M. medusae f. sp. tremuloidae and M. occidentalis), and 276 (M. larici-populina); an 86 amino acids insertion and a 5 amino acids minisatellite are also present in a M. medusae f. sp. deltoidae unisequence (length: 357) and a M. larici-populina unisequence (length: 281), respectively.
  5. dA 44 amino acids deletion (including 4 Cys residues) is present in a M. medusae f. sp. deltoidae unisequence.
  6. eLength is 119 (M. medusae f. sp. tremuloidae) and 123 (M. occidentalis).
  7. fA 12 amino acids minisatellite is present in a M. occidentalis unisequence (length: 181).
  8. gAdditional Cys residues are present before the signal peptide cleavage site.