F1ANNEX IITEST SCHEME FOR DIAGNOSIS, DETECTION AND IDENTIFICATION OF RALSTONIA SOLANACEARUM (SMITH) YABUUCHI ET AL.

Annotations:
Appendix 3

A.Commercially available standardised control material

(a)Bacterial isolates

The following bacterial isolates are recommended for use as standard reference material either as positive controls (Table 1) or during optimisation of tests to avoid cross-reactions (Table 2). All strains are commercially available from:

  1. 1.

    National Collection of Plant Pathogenic Bacteria (NCPPB), Central Science Laboratory, York, UK

  2. 2.

    Culture Collection of the Plant Protection Service (PD), Wageningen, the Netherlands.

  3. 3.

    Collection Française de Bactéries Phytopathogènes (CFBP), INRA Station Phytobactériologie, Angers, France.

Table 1SMT reference panel of isolates of R. solanacearum

NCPPB code

SMT#

Other codes

Country of origin

Biovar

NCPPB 4153

6

CFBP 4582, Pr 3020, EURS11

Egypt

2

NCPPB 4154

10

CFBP 4585, 550, EURS21

Turkey

2

NCPPB 3857

12

CFBP 4587, Pr 1140, EURS26

England

2

NCPPB 1584

23

CFBP 4598, EURS49

Cyprus

2

NCPPB 2505

24

CFBP 4599, EURS50

Sweden

2

NCPPB 4155

26

CFBP 4601, 502, EURS55

Belgium

2

NCPPB 415627

7127

PD 2762, CFBP 3857

Netherlands

2

NCPPB 4157

66

LNPV 15.59

France

2

NCPPB 4158

39

CFBP 4608, Port 448, EURS80

Portugal

2

NCPPB 4160

69

IVIA-1632-2

Spain

2

NCPPB 4161

76

B3B

Germany

2

NCPPB 325

41

CFBP 2047, KEL60-1, R842

USA

1

NCPPB 3967

42

CFBP 4610, R285, GONg7

Costa Rica

1

NCPPB 4028

43

CFBP 4611, R303/571, CIP310, SEQ205

Colombia

2

NCPPB 3985

44

CFBP 4612, R578, CIP312

Peru

2T

NCPPB 3989

45

CFBP 4613, R568, CIP226

Brazil

2T

NCPPB 3996

46

CFBP 3928, R276/355, CIP72, SEQ225

Peru

3

NCPPB 3997

47

CFBP 4614, R280/363, CIP49, HAY0131a

Australia

3

NCPPB 4029

48

CFBP 4615, R297/349, CIP121, CMIb2861

Sri Lanka

4

NCPPB 4005

49

CFBP 4616, R470

Philippines

4

NCPPB 4011

50

CFBP 4617, R288, HEmps2

China

5

Use as standard reference strain of R. solanacearum biovar 2 (race 3).

Note: Authenticity of the above strains can be guaranteed only if obtained from an authentic culture collection.

Table 2:SMT reference panel of serologically- or genetically-related bacteria for use in optimisation of detection tests

NCPPB code

SMT#

Other code

Identification

NCPPB 4162

51

CFBP 1954

Bacillus polymyxa29

NCPPB 4163

52

CFBP 1538

Pseudomonas marginalis pv. marginalis29

NCPPB 4164

CFBP 2227

Burkholderia cepacia30

NCPPB 4165

CFBP 2459

Ralstonia pickettii30

NCPPB 4166

58

CFBP 3567

CSL Pr1150

Ralstonia pickettii29

NCPPB 4167

60

CFBP 4618

PD 2778

Ralstonia sp.29

NCPPB 1127

53

CFBP 3575

Burkholderia andropogonis29

NCPPB 353

54

CFBP 3572

Burkholderia caryophylli29

NCPPB 945

55

CFBP 3569

Burkholderia cepacia29

NCPPB 3708

56

CFBP 3574

Burkholderia glumae29

NCPPB 3590

57

CFBP 3573

Burkholderia plantarii29

NCPPB 3726

59

CFBP 3568

Banana Blood Disease Bacterium293031

NCPPB 4168

61

CFBP 4619

IPO S339

Enterobacter sp.29

NCPPB 4169

62

IPO 1695

Enterobacter sp.29

NCPPB 4170

63

CFBP 4621

IPO S306

Ochrobactrum anthropi2930

NCPPB 4171

64

CFBP 4622

IPO 1693

Curtobacterium sp.2930

NCPPB 4172

65

IPO 1696a

Pseudomonas sp.29

NCPPB 4173

PD 2318

Aureobacterium sp.30

NCPPB 4174

81

IVIA 1844.06

Flavobacterium sp.2930

Potential cross-reacting strain in serological tests (IF and/or ELISA) with polyclonal antisera.

Strain from which PCR product can be amplified in some laboratories of a similar size to that expected using specific primers OLI-1 and Y-2 (see Appendix 6).

Likely to cross-react in most tests but known to occur only on banana in Indonesia.

(b)Commercially available standardised control material

The following standard control material is available from the NCPPB culture collection.

Freeze dried pellet of potato extract from 200 healthy potato tubers as negative control for all tests.

Freeze dried pellet of potato extract from 200 healthy potato tubers containing 103 to 104 and 104 to 106 cells R. solanacearum biovar 2 (strain NCPPB 4156 = PD 2762 = CFBP 3857) as positive controls for serological and PCR tests. Since cell viability is affected during freeze-drying, these are not suitable as standard controls for isolation or bioassay tests.

Formalin-fixed suspensions of R. solanacearum biovar 2 (strain NCPPB 4156 = PD 2762 = CFBP 3857) at 106 cells per ml as positive controls for serological tests.