Tao Dong

Global effect of RpoS on gene expression in pathogenic Escherichia coliO157:H7 strain EDL933 (2009)

Dong, Tao, Schellhorn, Herb E

Abstract Background RpoS is a conserved stress regulator that plays a critical role in survival under stress conditions in Escherichia coli and other γ-proteobacteria. RpoS is also involved in...

Polymorphism and selection of rpoSin pathogenic Escherichia coli (2009)

Dong, Tao, Chiang, Sarah M, Joyce, Charlie, Yu, Rosemary, Schellhorn, Herb E

Abstract Background Though RpoS is important for survival of pathogenic Escherichia coli in natural environments, polymorphism in the rpoS gene is common. However, the causes of this polymorphism and...

Path Planning for Unmanned Vehicles using Ant Colony Optimization on a Dynamic Voronoi DIagram (2008)

Yaohang Li, Tao Dong, Marwan Bikdash, Yong Duan Song

One of the main objectives when planning paths for unmanned vehicles is to minimizing the time of arriving at the given destination while maximizing the safety of the vehicles. If the operational...

Stationary phase expression of the arginine biosynthetic operon argCBHin Escherichia coli (2006)

Weerasinghe, Jeevaka P, Dong, Tao, Schertzberg, Michael R, Kirchhof, Mark G, Sun, Yuan, Schellhorn, Herb E

Abstract Background Arginine biosynthesis in Escherichia coli is elevated in response to nutrient limitation, stress or arginine restriction. Though control of the pathway in response to arginine...

Immune Activation and CD8+ T-Cell Differentiation towards Senescence in HIV-1 Infection (2004)

Laura Papagno, Celsa A. Spina, Arnaud Marchant, Mariolina Salio, Nathalie Rufer, Susan Little, ...

HIV-1 infection induces activation and differentiation of CD8+ T-cells, resulting in replicative senescence. This may be part of the mechanism through which HIV-1 exhausts the capacity of the immune...

Immune Activation and CD8+ T-Cell Differentiation towards Senescence in HIV-1 Infection (2004)

Laura Papagno, Celsa A. Spina, Arnaud Marchant, Mariolina Salio, Nathalie Rufer, Susan Little, ...

Progress in the fight against the HIV/AIDS epidemic is hindered by our failure to elucidate the precise reasons for the onset of immunodeficiency in HIV-1 infection. Increasing evidence suggests that...

Distinct Recognition of Non-Clade B Human Immunodeficiency Virus Type 1 Epitopes by Cytotoxic T Lymphocytes Generated from Donors Infected in Africa

Dorrell, Lucy, Dong, Tao, Ogg, Graham S., Lister, Simon, McAdam, Steve, Rostron, Tim, ...

We present detailed studies of human immunodeficiency virus (HIV)-specific cytotoxic T-lymphocyte (CTL) responses to clade A or C HIV type 1 in three donors infected in East Africa. We define several...

Maternal SDF1 3′A Polymorphism Is Associated with Increased Perinatal Human Immunodeficiency Virus Type 1 Transmission

John, Grace C., Rousseau, Christine, Dong, Tao, Rowland-Jones, Sarah, Nduati, Ruth, Mbori-Ngacha, Dorothy, ...

Genetic polymorphisms in chemokine and chemokine receptor genes influence susceptibility to human immunodeficiency virus type 1 (HIV-1) infection and disease progression, but little is known...

Late seroconversion in HIV-resistant Nairobi prostitutes despite pre-existing HIV-specific CD8+ responses

Kaul, Rupert, Rowland-Jones, Sarah L., Kimani, Joshua, Dong, Tao, Yang, Hong-Bing, Kiama, Peter, ...

Resistance to HIV infection in a small group of Kenyan sex workers is associated with CD8+-lymphocyte responses to HIV cytotoxic T-lymphocyte (CTL) epitopes. Eleven prostitutes meeting criteria for...

CD8+ lymphocytes respond to different HIV epitopes in seronegative and infected subjects

Kaul, Rupert, Dong, Tao, Plummer, Francis A., Kimani, Joshua, Rostron, Timothy, Kiama, Peter, ...

HIV-1–specific cytotoxic T-lymphocyte (CTL) responses have been detected at a low frequency in many HIV-1–exposed, persistently seronegative (HEPS) subjects. However, it is unclear how CTLs could...

Immune Activation and CD8+ T-Cell Differentiation towards Senescence in HIV-1 Infection

Papagno, Laura, Spina, Celsa A, Marchant, Arnaud, Salio, Mariolina, Rufer, Nathalie, Little, Susan, ...

Progress in the fight against the HIV/AIDS epidemic is hindered by our failure to elucidate the precise reasons for the onset of immunodeficiency in HIV-1 infection. Increasing evidence suggests that...

Early T-Cell Responses to Dengue Virus Epitopes in Vietnamese Adults with Secondary Dengue Virus Infections

Simmons, Cameron P., Dong, Tao, Chau, Nguyen Vinh, Dung, Nguyen Thi Phuong, Chau, Tran Nguyen Bich, Thao, Le Thi Thu, ...

T-cell responses to dengue viruses may be important in both protective immunity and pathogenesis. This study of 48 Vietnamese adults with secondary dengue virus infections defined the breadth and...

Longitudinal Assessment of Human Immunodeficiency Virus Type 1 (HIV-1)-Specific Gamma Interferon Responses during the First Year of Life in HIV-1-Infected Infants

Lohman, Barbara L., Slyker, Jennifer A., Richardson, Barbra A., Farquhar, Carey, Mabuka, Jenniffer M., Crudder, Christopher, ...

Human immunodeficiency virus type 1 (HIV-1) infection results in different patterns of viral replication in pediatric compared to adult populations. The role of early HIV-1-specific responses in...

Expansion and Diversification of Virus-Specific T Cells following Immunization of Human Immunodeficiency Virus Type 1 (HIV-1)-Infected Individuals with a Recombinant Modified Vaccinia Virus Ankara/HIV-1 Gag Vaccine

Dorrell, Lucy, Yang, Hongbing, Ondondo, Beatrice, Dong, Tao, Di Gleria, Kati, Suttill, Annie, ...

Affordable therapeutic strategies that induce sustained control of human immunodeficiency virus type 1 (HIV-1) replication and are tailored to the developing world are urgently needed. Since CD8+ and...

Distinct Recognition of Non-Clade B Human Immunodeficiency Virus Type 1 Epitopes by Cytotoxic T Lymphocytes Generated from Donors Infected in Africa

Dorrell, Lucy, Dong, Tao, Ogg, Graham S., Lister, Simon, McAdam, Steve, Rostron, Tim, ...

We present detailed studies of human immunodeficiency virus (HIV)-specific cytotoxic T-lymphocyte (CTL) responses to clade A or C HIV type 1 in three donors infected in East Africa. We define several...

Maternal SDF1 3′A Polymorphism Is Associated with Increased Perinatal Human Immunodeficiency Virus Type 1 Transmission

John, Grace C., Rousseau, Christine, Dong, Tao, Rowland-Jones, Sarah, Nduati, Ruth, Mbori-Ngacha, Dorothy, ...

Genetic polymorphisms in chemokine and chemokine receptor genes influence susceptibility to human immunodeficiency virus type 1 (HIV-1) infection and disease progression, but little is known...

Late seroconversion in HIV-resistant Nairobi prostitutes despite pre-existing HIV-specific CD8+ responses

Kaul, Rupert, Rowland-Jones, Sarah L., Kimani, Joshua, Dong, Tao, Yang, Hong-Bing, Kiama, Peter, ...

Resistance to HIV infection in a small group of Kenyan sex workers is associated with CD8+-lymphocyte responses to HIV cytotoxic T-lymphocyte (CTL) epitopes. Eleven prostitutes meeting criteria for...

CD8+ lymphocytes respond to different HIV epitopes in seronegative and infected subjects

Kaul, Rupert, Dong, Tao, Plummer, Francis A., Kimani, Joshua, Rostron, Timothy, Kiama, Peter, ...

HIV-1–specific cytotoxic T-lymphocyte (CTL) responses have been detected at a low frequency in many HIV-1–exposed, persistently seronegative (HEPS) subjects. However, it is unclear how CTLs could...

Immune Activation and CD8+ T-Cell Differentiation towards Senescence in HIV-1 Infection

Papagno, Laura, Spina, Celsa A, Marchant, Arnaud, Salio, Mariolina, Rufer, Nathalie, Little, Susan, ...

Progress in the fight against the HIV/AIDS epidemic is hindered by our failure to elucidate the precise reasons for the onset of immunodeficiency in HIV-1 infection. Increasing evidence suggests that...

Early T-Cell Responses to Dengue Virus Epitopes in Vietnamese Adults with Secondary Dengue Virus Infections

Simmons, Cameron P., Dong, Tao, Chau, Nguyen Vinh, Dung, Nguyen Thi Phuong, Chau, Tran Nguyen Bich, Thao, Le Thi Thu, ...

T-cell responses to dengue viruses may be important in both protective immunity and pathogenesis. This study of 48 Vietnamese adults with secondary dengue virus infections defined the breadth and...

Longitudinal Assessment of Human Immunodeficiency Virus Type 1 (HIV-1)-Specific Gamma Interferon Responses during the First Year of Life in HIV-1-Infected Infants

Lohman, Barbara L., Slyker, Jennifer A., Richardson, Barbra A., Farquhar, Carey, Mabuka, Jenniffer M., Crudder, Christopher, ...

Human immunodeficiency virus type 1 (HIV-1) infection results in different patterns of viral replication in pediatric compared to adult populations. The role of early HIV-1-specific responses in...

Expansion and Diversification of Virus-Specific T Cells following Immunization of Human Immunodeficiency Virus Type 1 (HIV-1)-Infected Individuals with a Recombinant Modified Vaccinia Virus Ankara/HIV-1 Gag Vaccine

Dorrell, Lucy, Yang, Hongbing, Ondondo, Beatrice, Dong, Tao, Di Gleria, Kati, Suttill, Annie, ...

Affordable therapeutic strategies that induce sustained control of human immunodeficiency virus type 1 (HIV-1) replication and are tailored to the developing world are urgently needed. Since CD8+ and...

Robust Gag-specific T cell responses characterize viremia control in HIV-2 infection

Leligdowicz, Aleksandra, Yindom, Louis-Marie, Onyango, Clayton, Sarge-Njie, Ramu, Alabi, Abraham, Cotten, Matthew, ...

HIV-2 infection in the majority of infected subjects follows an attenuated disease course that distinguishes it from infection with HIV-1. Antigen-specific T cells are pivotal in the management of...

Increased frequencies of CD4+CD25high regulatory T cells in acute dengue infection

Lühn, Kerstin, Simmons, Cameron P., Moran, Edward, Dung, Nguyen Thi Phuong, Chau, Tran Nguyen Bich, Quyen, Nguyen Than Ha, ...

Dengue virus infection is an increasingly important tropical disease, causing 100 million cases each year. Symptoms range from mild febrile illness to severe hemorrhagic fever. The pathogenesis is...

T Cell Cross-Reactivity and Conformational Changes during TCR Engagement

Lee, Jean K., Stewart-Jones, Guillaume, Dong, Tao, Harlos, Karl, Di Gleria, Kati, Dorrell, Lucy, ...

All thymically selected T cells are inherently cross-reactive, yet many data indicate a fine specificity in antigen recognition, which enables virus escape from immune control by mutation in...

HIV-specific Cytotoxic T Cells from Long-Term Survivors Select a Unique T Cell Receptor

Dong, Tao, Stewart-Jones, Guillaume, Chen, Nan, Easterbrook, Philippa, Xu, Xiaoning, Papagno, Laura, ...

HIV-specific cytotoxic T lymphocytes (CTL) are important in controlling HIV replication, but the magnitude of the CTL response does not predict clinical outcome. In four donors with delayed disease...

HIV-Specific Cd8+ T Cells Produce Antiviral Cytokines but Are Impaired in Cytolytic Function

Appay, Victor, Nixon, Douglas F., Donahoe, Sean M., Gillespie, Geraldine M.A., Dong, Tao, King, Abigail, ...

The use of peptide–human histocompatibility leukocyte antigen (HLA) class I tetrameric complexes to identify antigen-specific CD8+ T cells has provided a major development in our understanding of...

Evasion of Cytotoxic T Lymphocyte (CTL) Responses by Nef-dependent Induction of Fas Ligand (CD95L) Expression on Simian Immunodeficiency Virus–infected Cells

Xu, Xiao-Ning, Screaton, Gavin R., Gotch, Frances M., Dong, Tao, Tan, Rusung, Almond, Neil, ...

Inoculation of macaques with live attenuated SIV strains has been shown to protect against subsequent challenge with wild-type SIV. The protective mechanism(s) remain obscure. To study the effect in...

Memory T cells established by seasonal human influenza A infection cross-react with avian influenza A (H5N1) in healthy individuals

Lee, Laurel Yong-Hwa, Ha, Do Lien Anh, Simmons, Cameron, De Jong, Menno D., Chau, Nguyen Van Vinh, Schumacher, Reto, ...

The threat of avian influenza A (H5N1) infection in humans remains a global health concern. Current influenza vaccines stimulate antibody responses against the surface glycoproteins but are...

Invariant NKT cells reduce the immunosuppressive activity of influenza A virus–induced myeloid-derived suppressor cells in mice and humans

De Santo, Carmela, Salio, Mariolina, Masri, S. Hajar, Lee, Laurel Yong-Hwa, Dong, Tao, Speak, Anneliese O., ...

Infection with influenza A virus (IAV) presents a substantial threat to public health worldwide, with young, elderly, and immunodeficient individuals being particularly susceptible. Inflammatory...

Role of RpoS in the Virulence of Citrobacter rodentium▿

Dong, Tao, Coombes, Brian K., Schellhorn, Herb E.

Citrobacter rodentium is a mouse enteropathogen that is closely related to Escherichia coli and causes severe colonic hyperplasia and bloody diarrhea. C. rodentium infection requires expression of...

Peptide-Major Histocompatibility Complex Dimensions Control Proximal Kinase-Phosphatase Balance during T Cell Activation

Choudhuri, Kaushik, Parker, Mathew, Milicic, Anita, Cole, David K., Shaw, Michael K., Sewell, Andrew K., ...

T cell antigen recognition requires binding of the T cell receptor (TCR) to a complex between peptide antigen and major histocompatibility complex molecules (pMHC), and this recognition occurs at the...