The PPPY motif of human T-cell leukemia virus type 1 Gag protein is required early in the budding process.

Abstract:

:Domains required late in the virus budding process (L domains) have been identified in the Gag proteins of a number of retroviruses. Here we show that the human T-cell leukemia virus type 1 candidate L domain motif PPPY is indeed required for virus production. Strikingly, however, mutation of this motif arrested virus particles at an earlier stage in the budding process than was seen for mutation of the L domain motifs thus far described for retroviruses. In view of the exchangeability of such domains, we propose that the retrovirus budding process may involve a continuum from bud formation to membrane fission.

journal_name

J Virol

journal_title

Journal of virology

authors

Le Blanc I,Prévost MC,Dokhélar MC,Rosenberg AR

doi

10.1128/jvi.76.19.10024-10029.2002

subject

Has Abstract

pub_date

2002-10-01 00:00:00

pages

10024-9

issue

19

eissn

0022-538X

issn

1098-5514

journal_volume

76

pub_type

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