Table 1 Bacterial strains used here

AB1157

BIK788

thr-1 leu-6 thi-1 lacY1 galK2 ara-14 xyl-5 mtl-1 proA2 his-4 argE3 str-31 tsx-33 supE44 rec ⁺

[36]

TES1

BIK733

As AB1157, but ΔrecA306::Tn10

K. Yamamoto/[37]

JC5519

BIK751

As AB1157, but recB21 recC22

T. Kato/[38]

N2101

BIK2876

recB268::Tn10

R. Lloyd/[39]

N2103

BIK2877

recC266::Tn10

R. Lloyd/[39]

BIK3961

As AB1157, but recB268::Tn10

P1 (BIK2876) to AB1157

BIK3963

As AB1157, but recC266::Tn10

P1 (BIK2877) to AB1157

BIK806

As AB1157, but recD1901::Tn10

[40]

JC9239

BIK783

As AB1157, but recF143

A. J. Clark

BIK1538

As AB1157, but recG258::mini-Tn10 Kan

P1 (BIK1400) to AB1157

JC12123

BIK 787

recJ284::Tn10 his-4

A. Clark/[41]

BIK2563

As AB1157, but recJ284::Tn10

P1 (BIK787) to AB1157

BIK2565

As AB1157, but recN1502::Tn5

P1 (BIK1044) to AB1157

KEN24

BIK1179

As AB1157, but recO1504::Tn5

K. Yamamoto/[40]

KD2216

BIK1048

recQ1803::Tn3 ilv-145 metE46 his-4 trpC3 pro thi thyA::Tn5 thyR mtl-1 malA1 ara-9 galK2 lac-114 rpsL ton F^-

H. Nakayama/[42]

BIK2680

As AB1157, but recQ1803::Tn3

P1 (BIK1048) to AB1157

BIK2577

As AB1157, but recR252::mini-Tn10 Kan

P1 (BIK1399) to AB1157

HRS1004

BIK1331

ΔruvAB::Tc

T. Shiba & H. Shinagawa

HRS2302

BIK1620

As AB1157, but ΔruvAB100::Cm

H. Shinagawa/[24]

HRS1100

BIK1618

As AB1157, but ΔruvC100::Cm

H. Shinagawa/[43]

KEN72

BIK1051

As AB1157, but ruvC53 eda::Tn10

K. Yamamoto

JC8679

BIK813

As AB1157, but recB21 recC22 sbcA23

A. J. Clark/[44]

BIK1415

As JC8679, but ΔrecA306::Tn10

[26]

JC8691

BIK784

As JC8679, but recE159

A. J. Clark/[44]

JC9610

BIK786

As JC8679, but recF143

A. J. Clark/[44]

N2796

BIK1400

As JC8679, but recG258::mini-Tn10 Kan

R. Lloyd/[45]

BIK814

As JC8679, but recJ284::Tn10

Kusano et al. (1994b)

BIK1044

As JC8679, but recN1502::Tn5

Takahashi et al. (1993)

BIK1192

As JC8679, but recO::Tn5

[26]

RDK1693

BIK1401

As JC8679, but recQ1801

S. Lovett/[46]

BIK1427

As JC8679, but recQ1801 recJ284::Tn10

[26]

BIK1224

As JC8679, but recQ1803::Tn3

[26]

AM265

BIK1399

As JC8679, but recR252::mini-Tn10 Kan

R. Lloyd/[47]

BIK3884

As JC8679, but recT101::Tn10

N. Kobayashi-Takahashi

BIK1478

As JC8679, but ΔruvAB::Tc

P1 (BIK1331) to JC8679

BIK1050

As JC8679, but ruvC53 eda::Tn10

[26]

JC7623

BIK752

As AB1157, but recB21 recC22 sbcB15 sbcC201

T. Kato/[48, 49]

BIK2176

As JC7623, but ΔrecA306::Tn10

P1 (BIK733) to JC7623

JC8111

BIK749

As JC7623, but recF143

A. J. Clark

BIK1772

As JC7623, but recJ284::Tn10

P1 (BIK814) to JC7623

BIK1212

As JC7623, but recN262 tyrA16::Tn10

[10]

BIK1774

As JC7623, but recQ1803::Tn3

P1 (BIK1224) to JC7623

BIK1776

As JC7623, but recR252::mini-Tn10 Kan

P1 (BIK1399) to JC7623

KEN87

BIK1181

As JC7623, but ruvC53 eda::Tn10

K. Yamamoto

V66

BIK796

recF143 his-4 met rpsL31 gal xyl(?) ara(?) argA21 F^-λ^-

A. Taylor/[21]

V68

BIK2411

As V66, but recC73

G. Smith/[50]

V73

BIK1275

As V66, but recC73 recC1001

G. Smith/[21, 50]

V69

BIK1272

As V66, but recC73 recC1002

G. Smith/[21]

V71

BIK1273

As V66, but recC73 recC1003

G. Smith/[21, 50]

V72

BIK1274

As V66, but recC73 recC1004

G. Smith/[21, 50]

V1296

BIK1910

As V66, but recC2145

G. Smith/[22]

V1360

BIK1911

As V66, but recB2154

G. Smith/[22]

V1363

BIK1912

As V66, but recB2155

G. Smith/[22]

BIK1288

As V66, but recF⁺zic::Tn10

[51]

BIK3713

As BIK1288 (tet^S)

tet^S selection from BIK1288

NK5992

BIK800

IN (rrnD-rrnE) 1 λ^- F^- argA81::Tn10

N. Kleckner via A. Taylor

BIK3732

As BIK2411, but argA81::Tn10

P1 (BIK800) to BIK2411

BIK3738

As BIK3713, but recC73 argA81::Tn10

P1 (BIK3732) to BIK3713

BIK4034

As AB1157, but recC73 argA81::Tn10

P1 (BIK3732) to AB1157

A211

BIK1276

IN (rrnD-rrnE) 1 λ^- F^- lacZ^{s 20}Y^constgyrB⁺recF⁺zic::Tn10

A. Miura

BIK1286

As BIK1275, but recF⁺zic::Tn10

P1 (BIK1276) to BIK1275

BIK1290

As BIK1272, but recF⁺zic::Tn10

P1 (BIK1276) to BIK1272

BIK1282

As BIK1273, but recF⁺zic::Tn10

[51]

BIK1284

As BIK1274, but recF⁺zic::Tn10

[51]

BIK2445

As BIK1910, but recF⁺zic::Tn10

[51]

BIK2446

As BIK1911, but recF⁺zic::Tn10

[51]

BIK2447

As BIK1912, but recF⁺zic::Tn10

[51]