INTERSPERSED REPETITIVE ELEMENT
\ˌɪntəspˈɜːsd ɹɪpˈɛtɪtˌɪv ˈɛlɪmənt], \ˌɪntəspˈɜːsd ɹɪpˈɛtɪtˌɪv ˈɛlɪmənt], \ˌɪ_n_t_ə_s_p_ˈɜː_s_d ɹ_ɪ_p_ˈɛ_t_ɪ_t_ˌɪ_v ˈɛ_l_ɪ_m_ə_n_t]\
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Copies of transposable elements interspersed throughout the genome, some of which are still active and often referred to as "jumping genes". There are two classes of interspersed repetitive elements. Class I elements (or RETROELEMENTS - such as retrotransposons, retroviruses, LONG INTERSPERSED NUCLEOTIDE ELEMENTS and SHORT INTERSPERSED NUCLEOTIDE ELEMENTS) transpose via reverse transcription of an RNA intermediate. Class II elements (or DNA TRANSPOSABLE ELEMENTS - such as transposons, Tn elements, insertion sequence elements and mobile gene cassettes of bacterial integrons) transpose directly from one site in the DNA to another.
By DataStellar Co., Ltd
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.