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DNA sequence question
Was that on the Sorceror II? J Craig Ventner's effort? He was the fellow
that beat the government's Human Genome Project to sequence the human genome. He also was one of the folks I was thinking about when I asked my question. A few years ago he was on 'Science Friday' (NPR) talking about how he scoops up plankton, sequences the DNA, and has found over 800 genes that deal with handling light. Again, I wondered 'how does he know?' Plus, he's got one hell of a web page: http://www.sorcerer2expedition.org/v.../HTML/main.htm Jealousy overwhelms me. K Barrett "al" wrote in message news:i_x2h.5189$Z66.2452@trnddc07... I saw a TV show on my new 60" HD TV about a census of marine micro organisms that is currently underway. They are using cutting edge genetic sequencing tools to count new micro organisms in sea water. They collect the water, strain it through ever finer filters to collect a gooey glob of micro organisms and then they extract their DNA by slicing it into tiny nucleotide bits, then they replicate these bits, then they REASSEMBLE them back into complete genomes....and out of this gene puree and reassembly process comes something a computer program can use to count the number of unique organisms that were in the sea water sample BEFORE they were chopped to bits. One of the remarkable things they have discovered, other than the Amazing and unpredictably large number of new species at the microscopic level are lots of gene groups with interesting mutations on gene groups which they already know are used by these organisms to do things like turn light into energy, break down oily carbon compounds, enhance immunity to cold, etc. It is just scary what bags of genes called 'humans' can infer about themselves based on what is literally a sampling of their gene pool. wrote in message oups.com... K Barrett wrote: Nothing makes you feel older than finding out everyting you were taught isn't true anymore. It's even worse when it's your job. Research that required three years of late nights in the lab when I was a grad student now takes about 15 minutes on the computer. Many of the techniques that I learned are completely obsolete, and it has been less than ten years since I defended my dissertation. Nick |
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