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This Science Seems Fishy to Me
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Sunday, September 16, 2007
11:49:00 AM EDT
Hearing Georgia -- Cartel
Could science restock depleted fish numbers through stem cell engineering?
Papa salmon plus mama salmon equals ... baby trout? Japanese researchers put a new spin on surrogate parenting as they engineered one fish species to produce another, in a quest to preserve endangered fish...
The Tokyo University inventors dubbed their method "surrogate broodstocking." They injected newly hatched but sterile Asian masu salmon with sperm-growing cells from rainbow trout — and watched the salmon grow up to produce trout.
The striking success, published in Friday's edition of the journal Science, is capturing the attention of conservation specialists, who say new techniques are badly needed. Captive breeding of endangered fish is difficult, and attempts to freeze fish eggs for posterity so far have failed.
Soon scientists here in the US will try it in the other direction, too see if the far more common trout can spawn endangered salmon stock. If it works, it could be an excellent thing. It's nice when science offers us a chance out of the very big holes we dig for ourselves. Hopefully it won't encourage us to make even bigger holes in the future.
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11:49:00 AM EDT
Hearing Georgia -- Cartel
This Science Seems Fishy to Me
Could science restock depleted fish numbers through stem cell engineering?
Papa salmon plus mama salmon equals ... baby trout? Japanese researchers put a new spin on surrogate parenting as they engineered one fish species to produce another, in a quest to preserve endangered fish...
The Tokyo University inventors dubbed their method "surrogate broodstocking." They injected newly hatched but sterile Asian masu salmon with sperm-growing cells from rainbow trout — and watched the salmon grow up to produce trout.
The striking success, published in Friday's edition of the journal Science, is capturing the attention of conservation specialists, who say new techniques are badly needed. Captive breeding of endangered fish is difficult, and attempts to freeze fish eggs for posterity so far have failed.
Soon scientists here in the US will try it in the other direction, too see if the far more common trout can spawn endangered salmon stock. If it works, it could be an excellent thing. It's nice when science offers us a chance out of the very big holes we dig for ourselves. Hopefully it won't encourage us to make even bigger holes in the future.
Written by johnmscalzi Blog about this entry |
Add to del.icio.us | digg this
9/18/07 12:44 PM