Tag Archive: nutrient-dependent

Gut bacteria and pheromones

Gut bacteria mediate aggregation in the German cockroach Reported as: Cockroach swarming pheromones produced by gut bacteria Excerpt: … their study highlights the previously overlooked effect of gut flora in communication among insects. Next, they plan to investigate whether gut…
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Atoms to ecosystems via odors and pheromones

terrarium eco system

3-D model of human retronasal olfactory sense See also: A key facilitator of mRNA editing uncovered Accept the facts about odors and pheromones. Feedback loops link odor and pheromone signaling with reproduction  The feedback loops link RNA-mediated cause and effect…
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Human pheromones: What should these idiots do next?

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Human pheromones: Where did we go wrong? What should we do next? Excerpt: …if we are to find human pheromones, we need to treat ourselves as if we were a newly discovered mammal, and use the rigorous chemical methods and…
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Pheromones and unconscious affects

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Conducting a Field Test on Pheromones Excerpt: “…my pheromonal research suggests that any individual who is looking to elicit increased affection from women should 1) ask them what they’re reading 2) offer a compliment and 3) spill a bowl of…
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De novo creation of olfactory receptor genes

terrarium eco system

Large-scale transcriptional profiling of chemosensory neurons identifies receptor-ligand pairs in vivo Reported as:  Deciphering the olfactory receptor code Excerpt: Its applications, countless, extend for example to the domain of chemicals able to trigger predetermined behaviors in mammals or in insects,…
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Ecological validity vs evolutionary theory

Genetic code

Functional characterisation of a SNP in the ABCC11 allele—Effects on axillary skin metabolism, odour generation and associated behaviours Excerpt: …the fact that a single SNP plays such a large role in governing this specific aspect of human behaviour is quite…
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Science fiction, not theories, predicts facts

The past is not the key to the present

Electric fields affect wing movement, leading to agitation and changes in brain chemistry Excerpt: The effect on the wings being moved seems to agitate the flies, as revealed by changes in their brain chemistry. Flies exposed to an electric field…
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“Evolution” of two sexes?

social interaction and brain

Selection for mitochondrial quality drives the evolution of two sexes with germline Topics included (among others): CORRELATION BETWEEN ANIMAL DEVELOPMENT AND MITOCHONDRIAL EVOLUTION THE MODEL: SIMULATION, MATHS TOO COMPLICATED TO SOLVE Mt VARIATION BETWEEN GAMETES MAKES SOMATIC GAMETOGENESIS ADVANTAGEOUS IN…
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Food odors and chemosignals in body odor

social interaction and brain

A Sniff of Happiness Excerpt: We observed that exposure to body odor collected from senders of chemosignals in a happy state induced a facial expression and perceptual-processing style indicative of happiness in the receivers of those signals. Our findings suggest…
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Et tu, Michael Stoddart

terrarium eco system

How our NOSE shaped the human race: Ancestors lost their ability to detect sex pheromones to make men more faithful – and create the stable family unit Excerpt: “Our sense of smell evolved to make human pheromones undetectable” For contrast…
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