Transient Compartmentalization of Simian Immunodeficiency Virus Variants in the Breast Milk of African Green Monkeys

Author:

Ho Carrie1,Wu Steven2,Amos Joshua D.1,Colvin Lisa3,Smith Shannon D.3,Wilks Andrew B.4,DeMarco C. Todd1,Brinkley Christie1,Denny Thomas N.1,Schmitz Joern E.4,Rodrigo Allen G.2,Permar Sallie R.1

Affiliation:

1. Human Vaccine Institute, Duke University Medical Center, Durham, North Carolina, USA

2. Department of Biology, Duke University, Durham, North Carolina, USA

3. Division of Laboratory Animal Resources, Duke University Medical Center, Durham, North Carolina, USA

4. Division of Viral Pathogenesis, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA

Abstract

ABSTRACT Natural hosts of simian immunodeficiency virus (SIV), African green monkeys (AGMs), rarely transmit SIV via breast-feeding. In order to examine the genetic diversity of breast milk SIV variants in this limited-transmission setting, we performed phylogenetic analysis on envelope sequences of milk and plasma SIV variants of AGMs. Low-diversity milk virus populations were compartmentalized from that in plasma. However, this compartmentalization was transient, as the milk virus lineages did not persist longitudinally.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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