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Table 1 A panel of strains used for the assay specificity validation

From: Development and application of a real-time polymerase chain reaction assay to detect lumpy skin disease virus belonging to the Kenyan sheep and goat pox group

No.

Isolate/strain*

Ct

Parental strains

Sample

Ct** (25)

Phylogenetic cluster

Accession number of full genome

1

Dagestan/2015

Neg

Not applicable

Cell culture

15.10

1.2

MH893760

2

Ethiopia/1995

Neg

Not applicable

Cell culture

23.5

1.2

Not available

3

Saratov/2017

Neg

Neethling-major,

KSGP-minor

Cell culture

22.30

2.1

MH646674

4

Kurgan/2018

14.89

KSGP-major,

Neethling-minor

Skin scabs

13.75

2.6

OP948721

5

Chelyabinsk/2018

Neg

Neethling-major,

KSGP-minor

Skin scabs

16.91

Not determined

Not available

6

Samara/2018

21.68

KSGP-major,

Neethling-minor

Skin scabs

20.89

Not determined

Not available

7

Udmurtiya/2019

22.23

KSGP-major,

Neethling-minor

Cell culture

22.14

2.2

MT134042

8

Saratov/2019

Neg

Neethling-major,

KSGP-minor

Cell culture

25.42

2.1

OM530217

9

Tyumen/2019

Neg

Neethling-major,

KSGP-minor

Cell culture

23.17

2.4

OL542833

 

Khabarovsk/2020

Neg

Neethling-major,

KSGP-minor

Cell culture

19.87

2.5

OM793603

10

EAO/2020

Neg

Neethling-major,

KSGP-minor

Nasal swab

16.77

2.5

Not available

11

Altay/2020

Neg

Neethling-major,

KSGP-minor

Cell culture

23.65

2.5

OP948720

12

Tomsk/2020

Neg

Neethling-major,

KSGP-minor

Cell culture

24.41

2.5

OM793602

13

Mongolia/2021

Neg

Neethling-major,

KSGP-minor

Skin scab

18.50

2.5

Not available

14

Buryatiya/2021

Neg

Neethling-major,

KSGP-minor

Cell culture

20.16

2.5

OP948726

15

Zabaykalsky/2021

Neg

Neethling-major,

KSGP-minor

Cell culture

26.20

2.5

OP948719

16

Amur/2022

Neg

Neethling-major,

KSGP-minor

Cell culture

26.31

2.5

Not available

17

Buryatiya/2021

Neg

Neethling-major,

KSGP-minor

Cell culture

20.16

2.5

OP948726

18

Tuva/2022

Neg

Neethling-major,

KSGP-minor

Cell culture

19.25

2.5

Not available

19

KSGPO-240/Kenya/1959

25.17

Not applicable

DNA

24.90

1.2-KSGPO

KX683219

20

Lumpivax vaccine

27.41

Not applicable

DNA

27.62

1.2-KSGPO

Not available

21

Sverdlovsk/2018

31.01

Not determined

Nasal swab

31.22

Not determined

Not available

22

Omsk/2018

29.00

Not determined

Nasal swab

28.64

Not determined

Not available

23

Afghanistan

Neg

Not applicable

Cell culture

Neg

Sheep pox

Not available

24

NISKHI

Neg

Not applicable

Cell culture

Neg

Sheep pox

AY077834

25

Moscow/2018

Neg

Not applicable

Cell culture

Neg

Sheep pox

ON961656

26

Dagestan/2020

Neg

Not applicable

Skin scabs

Neg

Sheep pox

OQ434236

27

Amur/2018

Neg

Not applicable

Skin scabs

Neg

Sheep pox

OQ434235

  1. Ct: cycle threshold
  2. *Samples used in this work are available at the collection of microorganisms at the Federal Center for Animal Health, Vladimir, Russia
  3. **Ct results based on the real-time PCR screening assay for the universal detection of lumpy skin disease virus DNA developed earlier in 2019 [25]