Tag Archive: ecological

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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“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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RNA-mediated “repurposing” is nutrient-dependent and pheromone-controlled

rp_poster-from-jesse.jpg

 Evolutionary resurrection of flagellar motility via rewiring of the nitrogen regulation system Excerpt: The fast-spreading strain AR2F had acquired an additional point mutation in the σ54-dependent EBP gene ntrC, which alters an amino acid (R442C) within the DNA binding domain…
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Imagining that data historically supports evolutionary theory

human-evolution

1) Arguments in the evo-devo debate: say it with flowers! Abstract excerpt: A key question in evolutionary developmental biology is how DNA sequence changes have directed the evolution of morphological diversity. The widely accepted view was that morphological changes resulted…
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Military combat training to fight disease (2)

human-evolution

See: Military combat training to fight disease In the quantum world, the future affects the past Excerpt 1) “It’s not clear why in the real world, the world made up of many particles, time only goes forward and entropy always…
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Epigenetic effects of viruses on cellular homeostasis (2)

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TSLive: The Enemy Within (video) How viruses wield tiny molecules of RNA to help them persist in our bodies for years, decades, and sometimes an entire life span By The Scientist Staff | February 1, 2015 This brief video (below)…
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Unified nutritional and molecular mechanisms

terrarium eco system

Endogenous Hydrogen Sulfide Production Is Essential for Dietary Restriction Benefits Article image: Excerpt: “…unifying nutritional and molecular mechanisms remain elusive.” Reported as Molecular mechanism behind health benefits of dietary restriction identified Excerpt 1) “Dietary restriction is a type of intervention…
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Atoms to ecosystems: Evolutionary theory vs the coelacanth

terrarium eco system

Biodiversity: Life ­– a status report “Species are disappearing quickly — but researchers are struggling to assess how bad the problem is.” I want to eliminate some of the researcher’s struggles, but a moderator at Nature has blocked all my…
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Jumping back: Science or Pseudoscience? (2)

human-evolution

See: Jumping back: Science or Pseudoscience? European Science’s Great Leap Backward inferred that evolutionary theory is evidence-based science: Excerpt: “… the U.S. can claim no superiority in our approach to evidence-based science, as demonstrated by the fact that nearly half…
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