The evolution and diversification of Dicers in plants

Rogerio Margis; Adriana F. Fusaro; Neil A. Smith; Shaun J. Curtin; John M. Watson; E. Jean Finnegan; Peter M. Waterhouse

doi:10.1016/j.febslet.2006.03.072

The evolution and diversification of Dicers in plants

Rogerio Margis, Adriana F. Fusaro, Neil A. Smith, Shaun J. Curtin, John M. Watson, E. Jean Finnegan, Peter M. Waterhouse

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Abstract

Most multicellular organisms regulate developmental transitions by microRNAs, which are generated by an enzyme, Dicer. Insects and fungi have two Dicer-like genes, and many animals have only one, yet the plant, Arabidopsis, has four. Examining the poplar and rice genomes revealed that they contain five and six Dicer-like genes, respectively. Analysis of these genes suggests that plants require a basic set of four Dicer types which were present before the divergence of mono- and dicotyledonous plants (∼200 million years ago), but after the divergence of plants from green algae. A fifth type of Dicer seems to have evolved in monocots.

Original language	English (US)
Pages (from-to)	2442-2450
Number of pages	9
Journal	FEBS Letters
Volume	580
Issue number	10
DOIs	https://doi.org/10.1016/j.febslet.2006.03.072
State	Published - May 1 2006
Externally published	Yes

Keywords

Dicer
Evolution
RNAi

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abstract = "Most multicellular organisms regulate developmental transitions by microRNAs, which are generated by an enzyme, Dicer. Insects and fungi have two Dicer-like genes, and many animals have only one, yet the plant, Arabidopsis, has four. Examining the poplar and rice genomes revealed that they contain five and six Dicer-like genes, respectively. Analysis of these genes suggests that plants require a basic set of four Dicer types which were present before the divergence of mono- and dicotyledonous plants (∼200 million years ago), but after the divergence of plants from green algae. A fifth type of Dicer seems to have evolved in monocots.",

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AU - Smith, Neil A.

AU - Curtin, Shaun J.

AU - Watson, John M.

AU - Finnegan, E. Jean

AU - Waterhouse, Peter M.

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The evolution and diversification of Dicers in plants

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