Preadaptations and Convergent Evolution

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Teleological (February 05, 2010, 21:35:01 PM):
The link to the gene is provided. However further research needs to be done to determine the function of the protein in that organism.

I'll splash out and bet R1-00c it's plain junk DNA. :P
So far, nothing has been proven to be junk, just speculation, so good luck that. Bit anti-scientific to throw your arms up in the air and say: "look, we can't find a function, therefor we are just going to assume it is junk.""
Teleological (February 05, 2010, 21:46:40 PM):
Teleological, I scanned briefly through the lengthy article and could not locate the Prestin gene reference, but it is Friday and my eyes are tired :-\ - where exactly did you see that the Prestin gene is present in Trichoplax?


Mintaka



Go here
Select protein (above the seach text bar)
Search for Prestin
Click on any organism's prestin protein (e.g. prestin [Meriones unguiculatus])
Click FASTA
Copy the sequence
Then go here
Click BLAST
Select Blastp (In alignment program)
Paste sequence into box and submit job
Then click on the best hit and you should get this

You can use that sequence and compare it to many other species.

Go here and blast it.

Mefiante (February 05, 2010, 22:51:54 PM):
Wowee, it’s just too coincidental that Prestin-Based Outer Hair Cell Motility Is Necessary for Mammalian Cochlear Amplification, that T. adhaerens uses cilia for locomotion and that all at the same time cilia are instrumental in auditory function!

This god is just wa-a-a-a-y too clever for words, putting hair on Placozoa so that they can hear predators coming through their feet, a cunning plan he extended to grasshoppers too.

What can I say? I am stunned to bits.

ETA: In case it’s not clear, cilia = hair.

'Luthon64
Teleological (February 05, 2010, 22:59:09 PM):
Hey look, you got a hypothesis going there old muffy, now all you have to do is go and test it and see what exactly Prestin does in Trichoplax (you know, a bit more specific, don't want you to throw your hands in the air and say you know it all you know). Don't know why you sound so incredulous... prestin is a mechanosensor that was obviously co-opted into various forms of mechanosensing...
So much for rwenzori chop's junk DNA "hypothesis". Why couldn't you just do this in the first place.... oh wait, you still like to use God in your discussions. My oh my, and they say religious people are bothered with God..tsk tsk

Mefiante (February 05, 2010, 23:07:15 PM):
Right, and you read my reply, studied all of those references and typed up a 60-plus word reply in, let’s see now, seven minutes and fifteen seconds, yes?

Hey, far be it from me to pretend that I can compete with such unparalleled genius.

'Luthon64

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