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Session 55  Poster Abstracts
Viral Replication: Late Events and Assembly
Friday, 1:30 - 3:30 pm
Hall D
      255

Mutations in the HIV-1-1 Frameshift Signal: Affecting Frameshift, Viral Infectivity, and Replications
D Dulude1, Y Berchiche2,3, L Brakier-Gingras1, and Nikolaus Heveker*2,3
1Univ of Montreal, Canada; 2Univ of Montreal, Canada; and 3Hosp St Justine, Montreal, Canada
      256 The Determinants of Activity of the HIV-1 Maturation Inhibitor PA-457 Map to Residues Flanking the Gag CA-SP1 Cleavage Site
F Li1, D Zoumplis1, C Matallana1, C Adamson2, N Kilgore1, M Reddick1, E Freed2, G Allaway1, and Carl Wild*1
1Panacos Pharma, Inc, Gaithersburg, MD, USA and 2NCI-Frederick, NIH, DHHS, MD, USA
      257

A Link between the Early and the Late Endosomal Pathways during HIV-1 Assembly and Release
Melissa Batonick*1, M Maki2, and M Thali1
1Univ of Vermont, Burlington, USA and 2Nagoya Univ, Japan
      258 Involvement of the SP1 Region in Membrane-binding and the Subsequent Assembly Events of HIV-1 Gag
Xiaofeng Guo*, J Hu, B Spira, M Wainberg, and C Liang
McGill Univ AIDS Ctr, Montreal, Canada
      259

Gag Variability in Different HIV-1 Subtypes and under Antiretroviral Therapy May Influence Viral Budding
Africa Holguin*, A Alvarez, and V Soriano
Hosp Carlos III, Madrid, Spain
      260

Transmission electron microscopy analysis of Annexin 2-depleted MDM reveals inhibition of HIV assembly and maturation in internal vesicles.
Andrew Albright*, R Vos, A Varela-Rohena, E Ryzhova, and F Gonzalez-Scarano
Univ of Pennsylvania, Philadelphia, USA
      261

HIV-1 Egress Is Gated through Discrete CD63-enriched Microdomains
Sascha Nydegger*1, M Foti2, A Derdowski3, P Spearman3, D Ott4, and M Thali1
1Univ of Vermont, Burlington, USA; 2Univ of Geneva, Switzerland; 3Vanderbilt Univ, Nashville, TN, USA; and 4NCI-Frederick, NIH, DHHS, MD, USA
      262 "Codon Volatility" Does not Reliably Measure Selective Pressure on HIV Genes
Satish Pillai*, S Kosakovsky-Pond, C Woelk, D Richman, and D Smith
Univ of California, San Diego, USA