By Tristram D. Wyatt
Pheromones and different kinds of chemical communique underlie the habit of all animals. development at the strengths of the 1st variation, widely known because the top textual content within the topic, this can be a entire review of the way pheromones paintings. greatly revised and elevated to hide advances revamped the final ten years, the ebook bargains a radical exploration of the evolutionary and behavioral contexts of chemical conversation in addition to an in depth advent to the molecular and neural foundation of sign notion via olfaction. At a time of ever expanding specialization, Wyatt deals a distinct synthesis, integrating examples around the animal nation. a last bankruptcy significantly considers human pheromones and the significance of olfaction to human biology. Its breadth of insurance and clarity make the e-book an unequalled source for college kids and researchers in quite a number fields from chemistry, genetics, genomics, molecular biology and neuroscience to ecology, evolution and behavior.
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Extra resources for Pheromones and Animal Behavior: Chemical Signals and Signatures (2nd Edition)
Example text
Beetles’ detoxification of the toxic monoterpenes used by the host trees as a defense against beetle attack (Chapter 4) (Blomquist et al. 2010). Some of the detoxification enzymes may have been co-opted as biosynthetic enzymes for synthesis of pheromones by the beetle. 3 How pheromone signals evolve from chemical cues evolved from defensive compounds released by fighting or injured conspecifics (Chapter 8). There will be a selective advantage to the potential receivers sensitive to these compounds and responding appropriately to protect the colony.
B) Typical chromatogram of rabbit milk effluvium (upper panel) and concurrent percentage of pups responding with searching–grasping responses (lower panel; inverted scale). The regions of the chromatogram eliciting more than 20% of responses (summed across 25 GCO runs) and the compounds eluting in these regions are shown. (c) Screening, by presenting a glass-rod, of milk volatiles presumed to have behavioral activity: two-day-old pup at rest (left) and exhibiting grasping (right) to a glass rod carrying 2MB2.
7). Along with the change in behavior, the males of these species also lost their elongated teeth. 7) (Houck 2009; Palmer et al. 2010; Woodley 2010). Comparisons of DNA changes Delivery P. shermani P. glutinosus group Incl udes P. shermani P. wehrleri group P. wellen group Olfactory ~30 spp Intermediate ~7 spp P. 3D western Plethodon Aneides Transdermal ~350 spp D. 7 The evolution of courtship pheromone delivery in plethodontid salamanders in North America. Ancestrally, all the plethodontid salamanders had the sodefrin-like precursor factor (SPF) protein pheromone and the plethodontid modulating factor (PMF) protein produced in the mental (chin) gland, protruding pre-maxillary teeth and scratching (transdermal) delivery of courtship pheromones.