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Genetics News
Thu, 26 Nov 2015 10:40:35 EST
Ancient genetic components of sex determination in ants
Yin and Yang, Venus and Mars, the Moon and the Sun, however you want to describe it, becoming a female or a male can make a big difference in your life, and not just for human beings. Researchers have discovered the two ancient genetic components of sex determination in ants.
Wed, 25 Nov 2015 13:00:13 EST
How cells 'climb' to build fruit fly tracheas
Fruit fly windpipes are much more like human blood vessels than the entryway to human lungs. To create that intricate network, fly embryonic cells must sprout "fingers" and crawl into place. Now researchers have discovered that a protein called Mipp1 is key to cells' ability to grow these fingers.
Wed, 25 Nov 2015 10:49:11 EST
Similar proteins protect the skin of humans, turtles
Genes for important skin proteins arose in a common ancestor shared by humans and turtles 310 million years ago, a genome comparison has discovered.
Tue, 24 Nov 2015 11:30:17 EST
Biologists induce flatworms to grow heads and brains of other species
Biologists have succeeded in inducing one species of flatworm to grow heads and brains characteristic of another species of flatworm without altering genomic sequence. The work reveals physiological circuits as a new kind of epigenetics -- information existing outside of genomic sequence -- that determines large-scale anatomy.
Tue, 24 Nov 2015 08:19:10 EST
Corn snake genome sequenced for the first time
Among the 5,000 existing species of mammals, more than 100 have their genome sequenced, whereas the genomes of only 9 species of reptiles (among 10,000 species) are available to the scientific community. This is the reason why a team of researchers has produced a large database including, among others, the newly-sequenced genome of the corn snake, a species increasingly used to understand the evolution of reptiles. Within the same laboratory, the researchers have discovered the exact mutation that causes albinism in that species.
Mon, 23 Nov 2015 21:02:11 EST
Scientists create genetically modified malaria-blocking mosquitoes
Using a groundbreaking gene editing technique, scientists have created a strain of mosquitoes capable of rapidly introducing malaria-blocking genes into a mosquito population through its progeny, ultimately eliminating the insects' ability to transmit the disease to humans. This new model represents a notable advance in the effort to establish an antimalarial mosquito population, which with further development could help eradicate a disease that sickens millions worldwide each year.
Mon, 23 Nov 2015 20:36:23 EST
Exploring the causes of cancer
Cells communicate with other cells in our bodies by sending and receiving signals. Cancer can occur when these signals are 'dysregulated' and abnormal cells grow out of control, scientists have determined.
Mon, 23 Nov 2015 20:34:38 EST
Biologists characterize new form of mRNA regulation
Biologists used material from both humans and plants to examine chemical modifications to messenger RNA, or mRNA, finding that the modifications appear to play a significant role in the process by which mRNAs either survive and become translated into protein or are targeted for degradation.
Mon, 23 Nov 2015 20:25:05 EST
Ancient viral molecules essential for human development
Genetic material from ancient viral infections is critical to human development, according to researchers.
Mon, 23 Nov 2015 20:23:46 EST
New supercomputer simulations enhance understanding of protein motion, function
Supercomputing simulations could change how researchers understand the internal motions of proteins that play functional, structural and regulatory roles in all living organisms, say scientists in a new report.
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