Zitat des Tages von Martin Chalfie:
What I did do a lot as a child was read, and I particularly remember reading all the 'Hardy Boys' books, a set of history books called the 'Landmark Books,' and a series of science books called the 'All About Books.'
I was interested in science or, at least, nature from an early age, learning the names of planets, cutting cartoons with facts about animals out of the newspaper and gluing them into a scrapbook, and, with a friend when I was five or six, trying to design a submarine.
We have found that fusions of GFP with the RING finger domains of certain E3 ubiquitin ligases creates an unstable GFP. We have used unstable GFP to learn how disruption of microtubules in the touch receptor neurons causes a generalized reduction in protein levels in the cells.
If you do an experiment and it gives you what you did not expect, it is a discovery.
We know what molecules are needed to sense light - what turns that signal that detects light into an electrical signal. We know how smells are detected. But we have a vast number of senses for which we know what the signal is, but we don't know what the receiver is.
I had been interested in science from when I was very young, but after a disastrous summer lab experience in which every experiment I tried failed, I decided on graduating from college that I was not cut out to be a scientist.
Indeed, we often mark our progress in science by improvements in imaging.
Mainly I study the sense of touch and what the molecules are that transduce touch. And I use mutants in the nematode Caenorhabditis elegans to look at that problem.
None of the standard high school science courses made much of an impression on me, but I did enjoy the Advanced Placement Chemistry course I took in my senior year. This course had only eleven students and was taught by a rarity for our school, an exchange teacher from England, Mr. Leslie Sturges.
For a decade, I had been studying a transparent worm, the C. elegans. I immediately thought, if you could put the G.F.P. gene into C. elegans, you'd then be able to see biological processes in live animals. Until then, we had to kill them and prepare their tissues chemically to visualize proteins or active genes within cells.
