Researchers believe they have found a second code in DNA in addition to the genetic code.
Loren Williams/Chemistry and Biochemistry, Georgia Institute of Technology
In a living cell, the DNA double helix wraps around a nucleosome, above center, and binds to some of its proteins, known as histones.
The genetic code specifies all the proteins that a cell makes. The second code, superimposed on the first, sets the placement of the nucleosomes, miniature protein spools around which the DNA is looped. The spools both protect and control access to the DNA itself.
The discovery, if confirmed, could open new insights into the higher order control of the genes, like the critical but still mysterious process by which each type of human cell is allowed to activate the genes it needs but cannot access the genes used by other types of cell.
...
Tuesday, July 25, 2006
China to test its 'artificial sun'
BEIJING, July 24 (UPI) -- The first plasma discharge from China's experimental advanced superconducting research center -- the so-called "artificial sun" -- is set to occur next month.
The discharge, expected about Aug. 15, will be conducted at Science Island in Hefei, in east China's Anhui Province, the Peoples Daily reported Monday.
Scientists told the newspaper a successful test will mean the world's first nuclear fusion device of its kind will be ready to go into actual operation, the newspaper said.
The plasma discharge will draw international attention since some scientists are concerned with risks involved in such a process. But Chinese researchers involved in the project say any radiation will cease once the test is completed.
The experiment will take place in a structure made of reinforced concrete, with five-foot-thick walls and a three-foot-thick roof.
Source
The discharge, expected about Aug. 15, will be conducted at Science Island in Hefei, in east China's Anhui Province, the Peoples Daily reported Monday.
Scientists told the newspaper a successful test will mean the world's first nuclear fusion device of its kind will be ready to go into actual operation, the newspaper said.
The plasma discharge will draw international attention since some scientists are concerned with risks involved in such a process. But Chinese researchers involved in the project say any radiation will cease once the test is completed.
The experiment will take place in a structure made of reinforced concrete, with five-foot-thick walls and a three-foot-thick roof.
Source
Chinese Cars Gain Foothold in Venezuela
CARACAS, Venezuela — Chinese automobile manufacturers are seeking a share of Venezuela's car market, which has grown with the help of an oil-fueled consumption boom.
President Hugo Chavez has long been trying to foster greater economic ties with the Asian giant. On top of greater energy and mining sector cooperation, Chavez has also pursued Chinese development of a computer assembly line in the Andean nation.
Two Chinese car dealers have recently set up showrooms across Venezuela to try to compete with more established brands.
Great Wall Motors, China's largest car maker, is offering large utility vehicles.
cont.
President Hugo Chavez has long been trying to foster greater economic ties with the Asian giant. On top of greater energy and mining sector cooperation, Chavez has also pursued Chinese development of a computer assembly line in the Andean nation.
Two Chinese car dealers have recently set up showrooms across Venezuela to try to compete with more established brands.
Great Wall Motors, China's largest car maker, is offering large utility vehicles.
cont.
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