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Table 1 PepMV strains used in the study and changes in the genomes

From: Strain-dependent mutational effects for Pepino mosaic virus in a natural host

Strain

Isolate

Gene

Location in particular genea

Codon substitution

Amino acid change

Effectb

t-test P

CH2

P22

RdRp

926 (309)

GTC-GAC

V-D

Beneficial

<0.0001

CH2

P22

RdRp

1647 (549)

GAC-CAC

D-H

Neutral

0.0686

CH2

P22

RdRp

4192 (1398)

CAA-AAA

Q-K

Neutral

0.1904

CH2

P22

TGB1

118 (40)

AGG-TGG

R-W

Neutral

0.3804

CH2

P22

TGB1

235 (79)

GAC – CAC

D-H

Neutral

0.0920

CH2

P22

TGB1

272 (91)

CCU-CAU

P-H

Neutral

0.8217

CH2

P22

TGB1

431 (144)

GCA-GAA

A-E

Lethal

<0.0001

CH2

P22

TGB1

467 (156)

GCA-GAA

A-E

Lethal

<0.0001

CH2

P22

TGB2

130 (44)

AGA – GGA

R-G

Neutral

0.0203

CH2

P22

TGB2

193 (65)

CAA-AAA

Q-K

Beneficial

<0.0001

CH2

P22

TGB2

310 (104)

CAT-TAT

H-Y

Beneficial

0.0106

CH2

P22

TGB2

313 (105)

CAT-TAT

H-Y

Beneficial

0.0004

CH2

P22

TGB3

50 (17)

ATA-AGA

I-R

Neutral

0.0858

CH2

P22

TGB3

68 (23)

TTA-TCA

L-S

Neutral

0.2530

CH2

P22

TGB3

175 (59)

TGT - CGT

C-R

Neutral

0.0237

CH2

P22

TGB3

199 (67)

AAA- GAA

K-E

Neutral

0.9274

CH2

P22

TGB3

397 (133)

CAG-AAG

Q-K

Beneficial

0.0006

CH2

P22

CP

5 (2)

GAA-GCA

E-A

Deleterious

0.0026

CH2

P22

CP

22 (8)

TCT-GCT

S-A

Neutral

0.0113

CH2

P22

CP

26 (9)

AAC-AGC

N-S

Lethal

<0.0001

CH2

P22

CP

127 (43)

GTC-ATC

V-I

Neutral

0.0420

CH2

P22

CP

233 (78)

GCC-GAC

A-D

Lethal

<0.0001

CH2

P22

CP

418 (140)

GAC-CAC

D-H

Neutral

0.0827

CH2

P22

CP

463 (155)

GAA-AAA

E-K

Neutral

0.0183

CH2

P22

CP

497 (166)

GAT-GGT

D-G

Beneficial

0.0029

EU

P11

RdRp

4192 (1398)

GAG-AAG

E-K

Neutral

0.0607

EU

P11

TGB2

130 (44)

CGT-GGT

R-G

Neutral

0.0292

EU

P11

TGB3

68 (23)

TTA-TCA

L-S

Neutral

0.1023

EU

P11

CP

463 (155)

GAA-AAA

E-K

Deleterious

0.0171

EU

P11

CP

497 (166)

GAT-GGT

D-G

Neutral

0.6633

EU

P11

CP

(155/166)

GAA-AAA

GAT-GGT

E-K

D-G

Beneficial

0.0030

  1. aFirst number indicates the genomic nucleotide position; number in parenthesis indicates the amino acid in the corresponding protein
  2. bEffects were classified as beneficial, neutral or deleterious according to the result of the 2-samples t-tests comparing the fitness values obtained for each mutant to the values measured for the non-mutated parental virus. P-values are reported in the last column