Tag Archive: metabolic networks

Do not trust pseudoscientists

human-evolution

Trust a Scientist: Sex Addiction Is a Myth A psychologist explains why sex addiction therapy is more about faith than facts, as told to Tierney Finster Excerpt 1)  During withdrawal, the brains of addicts create junctions between nerve cells containing…
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Finding it and Perfuming the Mind

human-brain

Microbes Effect on the Brain Excerpt: In flies with a particular microbe, they only want to mate with others who have that microbe. This occurs because of a smell from the microbe. In groups of hyenas, groups identify their social…
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RNA-mediated epigenetic modification via DNA-methylation

human-evolution

I have repeatedly used the phrase “RNA-directed DNA methylation and RNA-mediated amino acid substitutions” in the context of links from the epigenetic landscape to the physical landscape of DNA in the organized genomes of species from microbes to man. See…
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All of “like kind” in the (bigger) family

achiral glycine

All in the (bigger) family Science 16 January 2015: Vol. 347 no. 6219 pp. 220-221 DOI: 10.1126/science.347.6219.220 by Elizabeth Pennisi Abstract: A decade of genetic data and other evidence has persuaded most researchers that insects and crustaceans, long considered widely…
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Environment epigenetically shapes the immune system

human-evolution

Environment, more than genetics, shapes immune system 1) –with my emphasis Re: “There’s nothing here that is revolutionary or requires rethinking of our assumptions about how the immune system functions…” My comment: They removed assumptions about cell type differentiation by…
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Beneficial microbes kill beneficial mutations

genetic code RNA medium

Microbiology: Here’s looking at you, squid Margaret McFall-Ngai has dissected the relationship between a beautiful squid and its live-in bacteria — and found lessons for microbiome research on the way. Ed Yong 14 January 2015 Excerpt: “We now know that…
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A single amino acid substitution differentiates cell types of E. coli

Genetic code

Rare amino acid influences E. coli infection Excerpt: “They found that E. coli O157 is unable to attach itself to host tissue in high concentrations of D-Serine. Other strains, such as those that cause meningitis, thrive in the presence of…
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Understanding cell type differentiation

Genetic code

The Wisdom of the Fly Crowds by Ed Yong Excerpt: “This is a landmark study of collective behaviour,” says Iain Couzin… “Never before has it been possible to unweave the intricate coding of social behaviour during collective decision-making.” When it…
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Models by evolutionary biologists are not models

terrarium eco system

How Networks Are Revolutionizing Scientific (and Maybe Human) Thought By John Edward Terrell, Termeh Shafie and Mark Golitko | December 12, 2014 | Excerpt: “…evolutionary biologists are now modeling series of complex networked relationships at multiple levels ranging from individual “letters”…
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One test of bioenergetic health?

human-evolution

Success of new-generation metabolo-therapies in personalized medicine depends on measuring bioenergetic health Excerpt: “In one test, a comprehensive measure of energetic health, or its disease-related deterioration, can now be made. The prognostic and diagnostic value of bioenergetic measurements in patients…
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