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Table 5 Variations within genes related to cell division, DNA replication and repair, transposition and phage integration

From: Comparative genomics and transcriptional profiles of Saccharopolyspora erythraea NRRL 2338 and a classically improved erythromycin over-producing strain

Gene locus in NRRL 2338

Length (amino acids)

Gene (locus)

Variationa

Protein function and notes

DNA replication and repair

SACE_0826

1195

mfd

Frameshift (+A 218/219)

Transcription/repair coupling factor

SACE_1351

269

mutM, fpg

Missense (M199T)

Formamidopyrimidine DNA glycosylase

SACE_3677

147

ogtl

Missense (G41K)

Methylated DNA-protein cysteine methyltransferase

SACE_4427

183

 

Frameshift (+G 353/354)

G/U mismatch-specific DNA glycosidase

SACE_5437

895

polA

Frameshift (-C617)

DNA polymerase I

SACE_5255

207

alkA

Missense (P68F)

3-methyladenine DNA glycosylase

SACE_6108

693

uvrD2

IPM

ATP-dependent DNA helicase UvrD-like

   

Missense and in

 

SACE_6681

873

uvrD

frame deletion (G54-, G56R, S57I)

ATP-dependent DNA helicase UvrD

Cell division

SACE_0667

941

 

Missense (F874L)

DNA segregation ATPase FtsK/SpoIIIE

SACE_6104

263

 

IPM

Cell division initiation protein

SACE_6929

579

 

Missense (P159R)

ATPase involved in chromosome partitioning

Transposition and phage integration

SACE_0657

106

 

Excision

lS1647-like transposase

SACE_2154

350

 

IPM

Transposase, IS891/IS1136/IS1341

SACE_2214and similar CDSs

365

 

Insertion between SACE_4827 and SACE_4228

SACE-2214: Transposase SACE_4827: Oxidoreductase SACE_4228: LacI family transcriptional regulator

SACE_2313 and similar CDSs

99

 

Insertion between SACE_2371 and SACE_2372

SACE_2313: IS4-like transposase SACE_2371: IS4-like transposase SACE_2372: IS 1647-like transposase

SACE_2322

374

 

Missense (VI391)

Phage-related integrase/Site-specific recombinase XerC

SACE_3579

469

tnp

Missense (R13S, A73S, T118A, V309A)

Transposase, 1S 1XX 5

SACE_4072

469

tnp

Missense (S178L, Q191R, S199A,H218R, N370T, G430S, T431V)

Transposase, ISlxx5

SACE_5073

459

 

Missense (N171K)

Transposase, IS3508i

   

Missense and in frame insertion

 

SACE_5268

395

 

(S73T, A74P, H129N,-134T, -135V,L191V, I216V A296V, P388R, S396L)

Transposase inactivated by frameshift mutation)

SACE_5430

232

 

Missense (H15R, R193W)

Transposase, Tn5714

  1. aIPM, imperfect match