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Visceral leishmaniasis is an understudied parasitic disease responsible for significant global morbidity and mortality. We are presently investigating a method of disease prevention termed paratransgenesis. In this approach, symbiotic or commensal bacteria are transformed to produce anti-Leishmania molecules. The transformed bacteria are delivered back to sand flies to inactivate the parasite within the vector itself. In this study, we identified 28 distinct gut microorganisms from Phlebotomus argentipes trapped from four visceral leishmaniasis-endemic sites in India. A significant percent of Staphylococcus spp., environmental bacteria, and Enterobacteriaceae were identified. Two non-pathogenic organisms, Bacillus megaterium and Brevibacterium linens, were also isolated. Both organisms are also used extensively in industry. Our results indicate that B. megaterium and B. linens are possible candidates for use in a model of paratransgenesis to prevent transmission of Leishmania.

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Food and fuel production are intricately interconnected. In a carbon-smart society, it is imperative to produce both food and fuel sustainably. Integration of the emerging biorefinery concept with other industries can bring many environmental deliverables while mitigating several sustainability-related issues with respect to greenhouse gas emissions, fossil fuel usage, land use change for fuel production and future food insufficiency. A new biorefinery-based integrated industrial ecology encompasses the different value chain of products, coproducts, and services from the biorefinery industries. This paper discusses a framework to integrate the algal biofuel-based biorefinery, a booming biofuel sector, with other industries such as livestock, lignocellulosic and aquaculture. Using the USA as an example, this paper also illustrates the benefits associated with sustainable production of fuel and food. Policy and regulatory initiatives for synergistic development of the algal biofuel sector with other industries can bring many sustainable solutions for the future existence of mankind.