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[ ±¾Ìû×îºóÓÉ ×·ÃÎÕß ÓÚ 2007-6-30 12:54 ±à¼­ ]

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* K+ j, D) r# z  `" j5 JScientists have been busy figuring out the genes of a lot of organisms not of humans. So far they have done mice, ( ), worms, (), just name a few. Now we can add a tree's genism to that () assortment. Last weekend, general scientists, a team of researchers reported that the DNA sequence of black cotton wood, a tree in the ( ) family, they identified 45,000 genes in the () , which weigh s more than the 35,000 (    ) humans have. So what make ( ) a popular plant study, well, its genism is relatively small, just 1/40 of the size of pine tree genism, for example, they also fo fast, so scientists can cross them and get mature trees experiment () before they go old and great, the scientists not the trees I mean. The () fast growth makes some attractive (                               )attentative gasoline, with genism in hand, scientists can find ways to improve usefuness (              ) even grow faster or easier to process.
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Scientists have been busy figuring out a gene of lots of organisms, larges are humans, so far the mice, champignons(ÏãÞ¦£¿), worms, east(beast?) just a neighbor few. And now we can add tree¡¯s genome to that remarkably absorbent. Last weekend on a genome science, a team researcher report a DNA sequence of a black cotton wood, a tree in a public family. They identify 45,000 genes in the popular, which is weigh more than 30,000 their survey humans have. So what make it popular, a popular frantic study? Well, its genome is relative small, just one-fortieth the pine tree¡¯s genome for example. They also grow fast, so scientist can cross read them and get mature trees to experiment on before they grow old and grey. The scientist not the trees I mean. And publish fast grow makes them trapped in an feet stop by biofilt like ?? and alternative turn it to gasoline. With  genome in hand, scientist can find ways to prove the tree¡¯s usefulness grabs creative variety faster grow or easier to process.  ; V5 z0 L) w1 ?2 N9 t% _
Thanks for the minute for scientific American¡¯s 60-seconds science. I¡¯m Kryn Wood.
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Scientists have been busy figuring out the genes of a lot of organisms not of humans. So far they have done mice, ( chimpanzee), worms, (), just name a few. Now we can add a tree's genome to that () assortment. Last weekend, general scientists, a team of researchers reported that the DNA sequence of black cotton wood, a tree in the ( ) family, they identified 45,000 genes in the () , which weigh s more than the 35,000 ( a sort of  ) humans have. So what make ( ) a popular plant study, well, its genome is relatively small, just 1/40 of the size of pine tree genome, for example, they also fo fast, so scientists can cross-breed them and get mature trees experiment (on) before they grow old and gray, the scientists not the trees I mean. The () fast growth makes some attractive (                               or) alternative gasoline, with genome in hand, scientists can find ways to improve the tree usefulness from( creating variety  that) even grow faster or easier to process.]4 M9 F5 G5 w+ c

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Scientists have been busy figuring out the genes of lots of the organizisms, not as humans. So far they have done mice, chimpanzees, worms, yeasts to ?see them as a few?. And now we can add a tree genome to that ?martly? assortment. Last week in the journal SCIENCE, a team of researchers reported the DNA sequence of the black ?counten? wood, a tree in the ?porpeller? family. They identified 45,000 genes in the ?porpeller?, which is weigh more than the 30,000 or so that humans have. So what makes a ?porpeller? a popular plant to study? while its genome is relatively small, just 1/40 of the size of the pine trees genome for example, they also grow fast, so scientists can cross-breed them and get mature trees to experiment ?time? before they grow old and grey, the scientists, not the trees, I mean. And the ?porpeller?'s fast growth makes some attractive trees ?stuck? for bio fuels, like ?athenal? and alternative to gasoline. With genomes in hand, scientists can find ways to improve the trees use forms perhaps creating variety that grow even faster or are easier to process.

Scientists have been busy figuring out the genes of  lots of organisms, not just humans.So far they have done mice, chimpanzees(ºÚÐÉÐÉ), worms, yeast(½Íĸ), just to name a few. And now we can add a tree's genome to that markedly assortment. Last week in the General Science, a team of researchers reported the DNA sequence of the black cotton wood, a tree in the poplar(°×Ñî) family(Ó¦¸ÃÊÇÊôÄÄÒ»¿Æ,ÎÒ²»ÐÞÖ²Îïѧ ). They identified 45,000 genes in the poplar, which is way more than the 30,000 or so that humans have.So what makes a poplar a popular plant to study? Well, it's genome is relatively small, just 1/40th of the size of a pine tree's genome for example.It also grows fast,so scientists can cross-breed them and get mature trees to experiment on before they grow old and grey. The scientists, not the trees, I mean. And the poplar's fast growth makes them some attractive feeds stock for bio-fuels, for example, ethanol(ÒÒ´¼), an alternative to gasoline. With genome in hand, scientists can find ways to improve the tree's usefulness, perhaps creating varieties that grow even faster, or are easier to process.Thanks for the minute.! r$ l, C& _4 j) s

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This is Scientific American 60 seconds science. I'm Karen Ru. Got the minute. Scientists have been busy figuring out the genes of lots of organisms, not the human¡¯s. So far they have done mice, chimpanzees, worms, yeast, just name of fuel. We can add trees genome to that murkily assortment. Last week in the gernal sciences the team of research report the DNA sequence of the black card wood, a tree in the poplar family. They are identified 45,000 genes in the popular, which is weigh more than the 30,000 .. human town. So one makes a popular eight popular plenty of study, while it's genome's roltively small. Just one fourth of the science of pantry¡¯s genomes, for example. They also go fast, so scientists can cross bring them and get m tree before they grow old and green, the scientist not the trees I mean. And the publish fast growth makes some attracts fit .. or biofuels like ... and alternative to gasoline. With genome hand, scientists can find ways to prove the tree usefulness, perhaps creating variety that grow even faster or are easier to procise. Thanks for the minute for scientific American 60 seconds science. I'm Karen Ru.

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Scientists have being busy figuring out the genes of a lot of organism not a human's. So far they've done mice, chimpanzee, worms, yeasts just to name a few. And now we can add a tree's genome to that model list assortmant.Last week in the journal science, a team of reserchers reported the DNA sequence of the black cotton wood, a tree in the poplar family. They identify 45 thousand genes in the poplar which is the way more than 30 thousand or so the human's have. So what make a poplar a popular plan to study. Well, it's genome relatively small. Just one-forty of the size of the pine trees genmon for example. They also grow fast. So the scientist can crossbred them and get mature trees to experiment on before they grow old and grey, the scientist not the trees I mean. And the poplar fast grows makes some of attract feed stock for biofuel like ethonal and alternative to gasline. With genome hands scientist can find the way to improve the tree's usefulness perhaps creating varieties that they grow even faster or easier to process. - b. e- I0 f$ V$ i! u
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Scientists have been busy figuring out the genes of  lots of organisms, not just humans.So far they have done mice, chimpanzees(ºÚÐÉÐÉ), worms, yeast(½Íĸ), just to name a few. And now we can add ...

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