A central goal in understanding the ecology and evolution of animals is to identify factors that constrain or expand breadth of diet. Selection of diet in many animals is often constrained by chemical deterrents (i.e., secondary metabolites) in available food items. The integration of chemistry and ecology has led to a significant understanding of the chemical complexity of prey (e.g., animals,...

RESEARCH ARTICLE Cytotoxic Activity of Two Cembranoid Diterpenes from Nicotiana Sylvestris Against Three Human Cancer Cell Lines Amir Reza Jassbi, Marzieh Vafapour, Ardeshir Shokrollahi, Omidreza Firuzi, Mehdi Zare, Jima N. Chandran, Bernd Schneider and Ian T. Baldwin Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran Department of Phyt...

We focus this mini-review on how naturally occurring chemical cues mediate ecological interactions, especially interspecific competition and predation in freshwater communities. Although freshwater chemical ecology lags behind terrestrial and marine chemical ecology, we identify recent progress toward: (1) identifying the chemical composition of cues important in food web interactions, e.g., sp...

1 Laboratory of Entomology, Wageningen University, Wageningen, Netherlands, Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, Netherlands, 3 R&D Microbiology, Koppert Biological Systems, Berkel en Rodenrijs, Netherlands, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín, CSIC, Granada, Spain, 5 Laboratory of Functi...

In 2006, The Biological Bulletin initiated the idea of publishing “virtual symposia,” a series of papers, in a single issue, on a compelling theme that is central to the scope of this journal. The inaugural virtual symposium, on marine invertebrate models of learning and memory, was introduced in an article by McPhie and Miller (2006). Here, we present the second chapter, focusing on “The Neuro...

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The southern pine beetle, Dendroctonus frontalis Zimmermann is generally considered to be one of the most significant biotic mortality agents of pines within North America, with a range stretching from New England to eastern Texas and from Arizona south to Nicaragua. As with other aggressive pine beetles, it relies on semiochemicals for coordinating the mass attacks necessary for colonization o...