Tag Archive: phenotypes

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…
Read more

Sulfated steroids and RNA-mediated identity codes

terrarium eco system

Summary: In two studies of human pheromones we linked a mixture of androsterone and androstenol to increased flirtatious behavior and reports of increased attraction to the male wearing the mixture. This blog posts explains the reason for the use of…
Read more

Nutritional epigenetics, exercise, and immune system integrity

terrarium eco system

Anti-inflammatory mechanism of dieting and fasting revealed Summary: Researchers have found that a compound produced by the body when dieting or fasting can block a part of the immune system involved in several inflammatory disorders such as type 2 diabetes,…
Read more

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…
Read more

How fast can evolutionary theory be changed?

human-evolution

Boston, land of…creationists? Excerpt: “For example, right now a creationist with a Harvard science degree is lecturing in Boston on Evolution: Bankrupt Science; Creationism: Science You Can Bank On. Obviously, Dr Nathaniel Jeanson is one of the fruit loops who…
Read more

All of “like kind” (Part 2)

human-evolution

See: All of “like kind” in the (bigger) family I’ve since tried, but failed, to succinctly express my thoughts about representations in the article All in the (bigger) family. I exceeded the allowable word count. Here they are, in the…
Read more

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…
Read more

Model organisms: the birds and the bees

social interaction and brain

Bird Genomes Abound Scientists complete the largest-ever comparative genomic study of birds. By Ruth Williams | December 11, 2014 Excerpt: “Birds are model organisms for a number of human behaviors and conditions—For example, Jarvis compares vocal learning in birds and…
Read more

RNA-mediated species specificity

human-evolution

Species-Specific Scientists uncover striking differences between mouse and human gene expression across a variety of tissues. By Jyoti Madhusoodanan | November 17, 2014 Excerpt: “…results published today (November 17) in PNAS reveal widespread differences between human and mouse gene expression,…
Read more

Sexual differentiation of cell types in plants

terrarium eco system

Antheridiogen determines sex in ferns via a spatiotemporally split gibberellin synthesis pathway Excerpt: “Homosporous ferns have evolved a mechanism to favor cross-fertilization by controlling the sex ratio among individuals or prothalli within the population with the aid of antheridiogens. Antheridiogens…
Read more