Palindrome
Palindrome
A Palindrome (/pælɪndroʊm/; from the Greek palin meaning "again" and dromos meaning "way, direction") is a term used in various fields including linguistics, mathematics, and bioinformatics. In the context of medical terminology, a palindrome refers to a sequence of units that reads the same forward and backward.
Etymology
The term palindrome is derived from the Greek words palin, which means "again", and dromos, which means "way or direction". It was first used in English in the 17th century.
Medical Usage
In the field of Bioinformatics, palindromic sequences are of significant interest. In DNA sequences, a palindromic sequence is a nucleic acid sequence on double-stranded DNA or RNA wherein reading 5' (five-prime) to 3' (three prime) forward on one strand matches the sequence reading 5' to 3' on the complementary strand. This characteristic is essential in many biological processes, including the formation of Restriction Enzyme recognition sites and the structure of tRNA molecules.
Related Terms
- Palindrome Rheumatism: A rare type of recurrent arthritis characterized by attacks of joint inflammation that come and go without any apparent reason.
- Palindromic Sequence: A sequence of DNA or RNA that is the same when read from left to right on one strand and from right to left on the complementary strand.
- Restriction Enzyme: A protein produced by bacteria that cleaves DNA at specific sites along the molecule, often at or near palindromic sequences.
- tRNA: Transfer RNA, a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein.
External links
- Medical encyclopedia article on Palindrome
- Wikipedia's article - Palindrome
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