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Table 4 Infectivity of X/PMV LacZ pseudotypes on hamster and ferret cells.

From: Six host range variants of the xenotropic/polytropic gammaretroviruses define determinants for entry in the XPR1 cell surface receptor

  

Log10 LacZ Pseudotype Titera

Virus Type

Virus

Lec8

E36

Ferret

XMV

CAST-X

3.3+/-0.8

1.1+/-0.5

5.6+/-0.3

 

XMRV

0

0

3.9+/-0.01

 

AKR6

0

0

5.3+/-0.4

 

NFS-Th1

4.1+/-0.4

1.3+/-0.2

5.5+/-0.4

 

NZB-IU-6

4.0

0.3+/-0.2

5.2+/-0.5

PMV

HIX

0

0

4.7+/-0.4

 

FrMCF

0

0

5.4+/-0.4

X/PMV

CasE#1

0

0

5.1+/-0.3

X/PMV

Cz524

0

0

5.7+/-0.2

A-MLV

4070A

3.9+/-0.4

3.7

3.0+/-0.4b

  1. aMeasured as the number of cells positive for β-galactosidase activity in 100 ul of virus.
  2. 0, no positive cells in cultures infected with 0.1 ml of undiluted pseudotype stock. ND, not done. Experiment was done four times. Glycosylation inhibitors were added the day before pseudotype infection.
  3. bFerret cells show a 100-fold reduction in susceptibility to A-MLV compared to mink lung cells.