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Plant viral vectors have great potential in rapid production of important pharmaceutical proteins. However, high-yield production of hetero-oligomeric proteins that require the expression and assembly of two or more protein subunits often suffers problems due to the "competing" nature of viral vectors derived from the same virus. Previously we reported that(More)
The family Rhizobiaceae contains plant-associated bacteria with critical roles in ecology and agriculture. Within this family, many Rhizobium and Sinorhizobium strains are nitrogen-fixing plant mutualists, while many strains designated as Agrobacterium are plant pathogens. These contrasting lifestyles are primarily dependent on the transmissible plasmids(More)
Filoviruses (Ebola and Marburg viruses) cause severe and often fatal haemorrhagic fever in humans and non-human primates. The US Centers for Disease Control identifies Ebola and Marburg viruses as 'category A' pathogens (defined as posing a risk to national security as bioterrorism agents), which has lead to a search for vaccines that could prevent the(More)
Porcine epidemic diarrhea virus (PEDV) has become endemic in the Thai swine industry, causing economic losses and repeated outbreaks since its first emergence in 2007. In the present study, 69 Thai PEDV isolates were obtained from 50 swine herds across Thailand during the period 2008-2012. Both partial and complete nucleotide sequences of the spike (S)(More)
Expression of recombinant vaccine antigens and monoclonal antibodies using plant viral vectors has developed extensively during the past several years. The approach benefits from high yields of recombinant protein obtained within days after transient delivery of viral vectors to leaves of Nicotiana benthamiana, a tobacco relative. Modified viral genomes of(More)
Ebola hemorrhagic fever is an acute and often deadly disease caused by Ebola virus (EBOV). The possible intentional use of this virus against human populations has led to design of vaccines that could be incorporated into a national stockpile for biological threat reduction. We have evaluated the immunogenicity and efficacy of an EBOV vaccine candidate in(More)
Cholera toxin B subunit (CTB) has the potential to be an effective adjuvant for mucosal vaccines because of its ability to increase antigen uptake and presentation by antigen-presenting cells through GM1-ganglioside binding. CTB has been produced using different recombinant protein expression systems. This study used the geminiviral replicon system to(More)
The ethanolic extract of Boesenbergia rotunda (L.) Mansf was studied for its wound-healing potential. Since wound healing is interrelated with microbial infection and reactive oxygen species (ROS), this study was conducted to evaluate the antimicrobial and antioxidant activity of B. rotunda. The antimicrobial activity of B. rotunda was studied against six(More)
Porcine epidemic diarrhea virus (PEDV) causes acute diarrhea, vomiting, dehydration, weight loss, and high mortality rate in neonatal piglets. Porcine epidemic diarrhea (PED) has been reported in Europe, America, and Asia including Thailand. The disease causes substantial losses to the swine industry in many countries. Presently, there is no effective PEDV(More)
The biomedical applications of antibody engineering are developing rapidly and have been expanded to plant expression platforms. In this study, we have generated a novel antibody molecule in planta for targeted delivery across the blood-brain barrier (BBB). Rabies virus (RABV) is a neurotropic virus for which there is no effective treatment after entry into(More)