Parallel molecular evolution 2

Mutations in the neverland Gene Turned Drosophila pacheainto an Obligate Specialist Species

  • Michael Lang,
  • st al with Virginie Orgogozo

Science 28 September 2012: 1658-1661. [DOI:10.1126/science.1224829]

My comment: Nutrient chemical-dependent epigenetic effects that lead to loss of enzymatic activities, which here are reported to be frequent in evolution, are not random. The metabolism of the nutrient chemicals to pheromones that control reproduction is genetically predisposed (e.g., not random). However, the nutrient chemical-dependent speciation that is reportedly due to loss of enzymatic function is also reported in the context of mutations that caused speciation. How does a mutation cause nutrient chemical-dependent / pheromone-controlled obligate specialist speciation (or any other type of nutrient chemical-dependent speciation)?

Is it commonly known that flies reproduce at the same location that they find nutrient chemicals that metabolize to the pheromones that control their species-specific reproduction, or has that concept escaped the notice of evolutionary theorists during the past two centuries of disgust, which is sometimes associated with flies landing on their food?

About James V. Kohl 1307 Articles
James Vaughn Kohl was the first to accurately conceptualize human pheromones, and began presenting his findings to the scientific community in 1992. He continues to present to, and publish for, diverse scientific and lay audiences, while constantly monitoring the scientific presses for new information that is relevant to the development of his initial and ongoing conceptualization of human pheromones. Recently, Kohl integrated scientific evidence that pinpoints the evolved neurophysiological mechanism that links olfactory/pheromonal input to genes in hormone-secreting cells of tissue in a specific area of the brain that is primarily involved in the sensory integration of olfactory and visual input, and in the development of human sexual preferences. His award-winning 2007 article/book chapter on multisensory integration: The Mind’s Eyes: Human pheromones, neuroscience, and male sexual preferences followed an award winning 2001 publication: Human pheromones: integrating neuroendocrinology and ethology, which was coauthored by disinguished researchers from Vienna. Rarely do researchers win awards in multiple disciplines, but Kohl’s 2001 award was for neuroscience, and his 2007 “Reiss Theory” award was for social science. Kohl has worked as a medical laboratory scientist since 1974, and he has devoted more than twenty-five years to researching the relationship between the sense of smell and the development of human sexual preferences. Unlike many researchers who work with non-human subjects, medical laboratory scientists use the latest technology from many scientific disciplines to perform a variety of specialized diagnostic medical testing on people. James V. Kohl is certified with: * American Society for Clinical Pathology * American Medical Technologists James V. Kohl is a member of: * Society for Neuroscience * Society for Behavioral Neuroendocrinology * Association for Chemoreception Sciences * Society for the Scientific Study of Sexuality * International Society for Human Ethology * American Society for Clinical Laboratory Science * Mensa, the international high IQ society