Biology Forum › Molecular Biology › STRs, SSRs and microsatellites – Where is the difference?
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- December 2, 2010 at 10:43 am #14223
Zolt7ParticipantHi!
In literature I’ve read that SSRs (Simple Sequence Repeats) mean a repetition of 1-6 basepairs.
For example: AGGAGGAGGAGGAGGAGGAGGBut I have also read the same definition for the Short Tandem Repeats (STRs).
Now I am wondering if there is any difference?
And when do I call it a "microsatellite"? Is a SSR/STR only called "microsatellite" if it has
reached a certain amount of these repetitions?I hope you can help me.
best regards,
Zolt7 - December 2, 2010 at 5:03 pm #102595KezzerParticipant
Simple sequence repeats, short tandem repeats and microsatellites are all the same thing the only difference is the name.
They are all repetitive sequences of 1-6 base pairs.
It is up to you what you call them but I prefer to use short tandem repeat.
Hope this helps,
K - December 2, 2010 at 5:49 pm #102597Zolt7Participant
Ok that is what I’ve read but I was just wondering.
Thanks.
- December 2, 2010 at 9:53 pm #102608KezzerParticipant
Yeh it is a little confusing that they have more than one name, I was the same when I did my undergraduate degree and came across it 🙂
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