Tracking the movement of insects in their natural habitat is essential for understanding their basic biology, demography, and ethology. A wide variety of markers have been used to assess insect population dynamics, dispersal, territoriality, feeding behavior, trophic-level interactions, and other ecological interactions. The ideal marker should persist without inhibiting the insect's "normal" b...

In order to evaluate potential reproductive costs associated with parasitism, we experimentally removed ectoparasites from reproductive female North American red squirrels (Tamiasciurus hudsonicus). Body mass and overwinter survival of mothers, days to juvenile emergence, juvenile survival from birth to emergence, and body mass of juveniles at emergence were all compared to those of untreated (...

151. Is Nursing Home Specific Antibiogram Necessary for All Nursing Homes? Kaushal Shah, MD; Paul Cook, MD; Tae Lee, MD; Muhammad Salman Ashraf, MD; John Christie, MD, PhD; Xiangming Fang, PhD; Infectious Disease, East Carolina University/ Vidant Medical Center, Greenville, NC; Infectious Diseases, East Carolina University, Greenville, NC; East Carolina University, Greenville, NC; Infectious Di...

One area with strong potential to prevent or treat early childhood obesity is feeding dynamics. The concept of feeding dynamics includes 2 central components: caregiver feeding role (how, when, where, and what caregivers feed their children) and child eating behaviors (how much, when, what, and whether to eat of what is offered). The feeding dynamic approach was initially proposed as the trust ...

Targeting feeding dynamics, a concept centered on the roles and interaction of the caregiver and child in a feeding relationship, may have significant potential for obesity intervention. The aim of this paper is to describe the 3-phase development of the Feeding Dynamics Intervention (FDI), an acceptability and feasibility study on implementing the feeding dynamic roles (Study 1), development o...

Calcium ions are predicted to be key signaling entities during biotic interactions, with calcium signaling forming an established part of the plant defense response to microbial elicitors and to wounding caused by chewing insects, eliciting systemic calcium signals in plants. However, the role of calcium in vivo during biotic stress is still unclear. This protocol describes the use of a genetic...

Taking in sufficient quantities of nutrients is vital for all living beings and in doing so, individuals interact with the local resource environment. Here, we focus explicitly on the interactions between feeding individuals and the resource landscape. In particular, we are interested in the emergent movement dynamics resulting from these interactions. We present an individual-based simulation ...

Communication between the gut and brain is critical for homeostasis, but how this communication is represented in the dynamics of feeding circuits is unknown. Here we describe nutritional regulation of key neurons that control hunger in vivo. We show that intragastric nutrient infusion rapidly and durably inhibits hunger-promoting AgRP neurons in awake, behaving mice. This inhibition is proport...