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Table 1 Nucleotide and coding differences identified among the genomes of 86,079/7NS, MS-H and 5 MS-H field isolates

From: Preliminary comparative analysis of the genomes of selected field reisolates of the Mycoplasma synoviae vaccine strain MS-H reveals both stable and unstable mutations after passage in vivo

Nucleotide positiona

86079/7NS

MS-Hb

MS-H3 b

MS-H4 b

MS-H5 b

101546b

101731b

Protein/region

Functional category

Amino acid change

14181

G

A

A

A

A

A

A

tRNA (Guanine37-N1)

methyltransferase

tRNA metabolism

Val→Ile hydrophobic to hydrophobic alkyl to alkyl

36932

A

T

T

T

T

T

T

Non-coding region

  

61685

G

A

A

A

A

A

A

DNA topoisomerase IV

subunit A

Nucleic acid metabolism

Glu→Lys

hydrophilic to hydrophilic

acidic to basic

62874

G

A

A

A

A

A

A

Exonuclease ABC subunit UvrB

Nucleic acid metabolism

Gly→Glu

hydrophobic to hydrophilic

alkyl to acidic

67028

G

A

A

A

A

A

A

tRNA-Trp

tRNA metabolism

 

68587

T

T

T

C

T

T

T

Hypothetical protein

Unknown

Synonymous substitution

104704

G

A

A

A

A

A

A

Non-coding region

  

107765

G

A

A

A

A

A

A

ABC transporter protein

Transport

Ala→Val

hydrophobic to hydrophobic

alkyl to alkyl

122053

C

C

C

C

C

T

C

LemA family protein

Unknown

Synonymous substitution

193771

G

A

A

G

G

A

A

GTPase ObgE

Environmental sensing

Gly→Arg

hydrophobic to hydrophilic

alkyl to basic

194033

C

C

C

C

C

T

T

GTPase ObgE

Environmental sensing

Ala→Val

hydrophobic to hydrophobic

alkyl to alkyl

200404

T

T

T

A

T

T

T

Hypothetical protein

Unknown

Asp→Val

hydrophilic to hydrophobic

acidic to alkyl

201094

G

A

A

A

A

A

A

P80-related protein

Unknown

Pro→Ser

hydrophobic to hydrophilic

alkyl to neutral

203205

C

A

A

A

A

A

A

Non-coding region

  

242451

G

A

A

A

A

A

A

NAD-dependent glyceraldehyde

-3-phosphate dehydrogenase

Glucose metabolism

Ala→Val

hydrophobic to hydrophobic

alkyl to alkyl

296526

G

A

A

A

A

G

A

NAD-dependent glyceraldehyde

-3-phosphate dehydrogenase

Glucose metabolism

Arg→Lys

hydrophilic to hydrophilic

basic to basic

316268

T

T

T

T

T

T

Hypothetical protein

Unknown

Frame Shift

325032

A

Hypothetical protein

Unknown

Frame Shift

325353

T

T

T

T

T

T

Hypothetical protein

Unknown

Frame Shift

352952

G

A

A

A

A

A

A

VACB-like ribonuclease II

Nucleic acid metabolism

Ser→Phe

hydrophilic to hydrophobic

neutral to aromatic

389629

G

A

A

A

A

A

A

Aspartate-ammonia ligase

Amino acid metabolism

Ala→Thr

hydrophobic to hydrophilic

alkyl to neutral

397783

T

T

T

T

T

Peptide ABC transporter

ATP-binding protein (OppF)

Transport

Frame Shift

418984

A

A

A

T

A

A

A

TatD family

deoxyribonuclease

Nucleic acid metabolism

Asp→Val

hydrophilic to hydrophobic

acidic to alkyl

433343

G

A

A

A

A

A

A

Alanine tRNA ligase

tRNA metabolism

Asp→Asn

hydrophilic to hydrophilic

acidic to neural

438657

G

A

A

A

A

A

A

Triacylglycerol lipase

Lipid metabolism

Synonymous substitution

449402

G

G

G

A

G

G

G

Cardiolipin synthetase

membrane lipid

Ala→Thr

hydrophobic to hydrophilic

alkyl to nuetral

449694

G

G

G

G

G

G

A

Cardiolipin synthetase

membrane lipid

Ser→Asn

hydrophilic to hydrophilic

neutral to neutral

457951

G

G

G

G

G

G

A

Hypothetical protein

Unknown

Synonymous substitution

481287

G

A

A

A

A

A

A

Haemolysin C

or DUF21 domain-containing protein

Structural Protein

Ala→Val

hydrophobic to hydrophobic

alkyl to alkyl

485166

C

C

C

C

T

C

C

DHH subfamily

Phosphoesterase function

Synonymous substitution

498421

T

C

C

C

C

C

C

Histidyl-tRNA synthetase

tRNA metabolism

Thr→Ala

hydrophilic to hydrophobic

neutral to alkyl

502825

AT

AT

AT

AT

AT

AT

Non-coding region

  

502827

AT

AT

AT

Non-coding region

  

502829

AT

Non-coding region

  

510721

G

G

G

A

G

G

G

Thymidine phosphorylase

Pyrimidine metabolism

Synonymous substitution

522899

G

A

A

A

A

A

A

Hypothetical protein

Unknown

Gly→Glu

hydrophobic to hydrophilic

alkyl to acidic

553886

C

C

C

C

C

T

C

Hypothetical protein

Unknown

Ala→Thr

hydrophobic to hydrophilic

alkyl to nuetral

563391

G

A

A

A

A

A

A

Hexosephosphate transport protein

Transport

Leu→Phe

hydrophobic to hydrophobic

alkyl to aromatic

567729

C

A

A

A

A

A

A

DNA-directed RNA polymerase beta' subunit

Nucleic acid metabolism

Arg→Ile

hydrophilic hydrophobic

basic to alkyl

572029

T

T

T

T

T

T

C

DNA-directed RNA

polymerase subunit beta

Nucleic acid metabolism

Glu→Gly

hydrophilic to hydrophobic

acidic to alkyl

584838

G

A

A

A

A

A

A

Hypothetical protein

Unknown

Synonymous substitution

604569

C

C

C

C

C

A

C

Hypothetical protein

Unknown

Asp→Glu

hydrophilic to hydrophilic

acidic acidic

615741

G

A

A

A

A

A

A

Potassium uptake protein KtrB

Transport

His→Tyr

hydrophilic to hydrophilic

basic to neutral

628272

G

A

A

A

A

A

A

DNA polymerase III alpha subunit

Nucleic acid metabolism

Ser→Phe

hydrophilic to hydrophobic

neutral to aromatic

637130

G

G

G

G

G

A

G

YbhB/YbcL family Raf kinase

inhibitor-like protein

Protease inhibitor

Val→Ile

hydrophobic to hydrophobic

alkyl alkyl

651973

C

C

C

A

C

C

C

S1 RNA-binding

domain-containing protein

RNA metabolism

Ser→Ile

hydrophilic to hydrophobic

neutral to alkyl

679814

G

A

A

A

A

A

A

Cation-transporting P-type ATPase

Transport

Synonymous substitution

686265

G

A

A

A

A

A

A

Non-coding region

  

716623

G

A

A

A

A

A

A

Hypothetical protein

Unknown

Ser→Leu

hydrophilic to hydrophobic

neutral to alkyl

737180

G

A

A

A

A

A

A

Hypothetical protein

Unknown

Synonymous substitution

780235

AT

AT

AT

AT

AT

AT

Non-coding region

  

780237

AT

Non-coding region

  

794057

G

A

A

A

A

A

A

Uridine monophosphate kinase

Central metabolism

His→Tyr

hydrophilic to hydrophilic

basic to neutral

  1. * vlhA locus was excluded from SNP analysis
  2. a Nucleotide position corresponding to the MS-H genomic sequence (Genbank accession no. CP021129)
  3. b “—” indicates absence of nucleotide(s)