Like humans, mice can become infected with Borrelia. However, not all mice that come into contact with these bacteria contract the dreaded Lyme disease: Animals with a particular gene variant are immune to the bacteria, as ...
Plants & Animals
Apr 4, 2013
0
1
One key to animal survival is bitter taste——the better to avoid ingesting potentially harmful poisons or foods. The evolution of bitter taste has been a hot topic amongst evolutionary biologists, and with more and more ...
Evolution
Oct 8, 2014
0
0
A simple, reversible chemical treatment can segregate X-bearing sperm from Y-bearing sperm, allowing dramatic alteration of the normal 50/50 male/female offspring ratio, according to a new study by Masayuki Shimada and colleagues ...
Cell & Microbiology
Aug 13, 2019
1
206
(PhysOrg.com) -- A quirk in the sex life of the silkworm (Bombyx mori) has been revealed by a team of CSIRO Food Futures Flagship scientists led by Dr Alisha Anderson.
Plants & Animals
Apr 23, 2009
1
0
Rank in social hierarchy is a condition not solely claimed by humans. In the animal kingdom, male peacocks exhibit brightly colored plumes to illustrate dominance, and underwater, male fish show pops of bright colors to do ...
Evolution
Nov 10, 2020
0
1436
(PhysOrg.com) -- In humans and animals alike, individuals differ in sets of traits that we usually refer to as personality. An important part of the individual difference in personality is due to variation in the underlying ...
Plants & Animals
Feb 9, 2010
4
0
Out of the estimated 23,000 or more genes in the human genome, about 100 of them will differ—they will be present or not—between any two individuals. Genes lost or gained over time result from evolution and adaptation, ...
Biotechnology
Aug 9, 2013
0
0
In analyzing the molecular sensor for the plant growth hormone brassinolide, researchers at the Salk Institute for Biological Studies discovered that although plants took an evolutionary path different from their animal cousins, ...
Cell & Microbiology
Jan 31, 2011
14
0
For all their sharp teeth, many meat-eating mammals lack a sweet tooth, a genetic analysis of a dozen species has shown.
Plants & Animals
Mar 26, 2012
0
0
Substances known as transcription factors often determine how a cell develops as well as which proteins it produces and in what quantities. Transcription factors bind to a section of DNA and control how strongly a gene in ...
Cell & Microbiology
Sep 2, 2016
0
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