Document Detail


Genome-wide analysis of a land plant-specific acyl:coenzyme A synthetase (ACS) gene family in Arabidopsis, poplar, rice and Physcomitrella.
MedLine Citation:
PMID:  18627494     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The plant enzyme 4-coumarate:coenzyme A ligase (4CL) is part of a family of adenylate-forming enzymes present in all organisms. Analysis of genome sequences shows the presence of '4CL-like' enzymes in plants and other organisms, but their evolutionary relationships and functions remain largely unknown. 4CL and 4CL-like genes were identified by BLAST searches in Arabidopsis, Populus, rice, Physcomitrella, Chlamydomonas and microbial genomes. Evolutionary relationships were inferred by phylogenetic analysis of aligned amino acid sequences. Expression patterns of a conserved set of Arabidopsis and poplar 4CL-like acyl-CoA synthetase (ACS) genes were assayed. The conserved ACS genes form a land plant-specific class. Angiosperm ACS genes grouped into five clades, each of which contained representatives in three fully sequenced genomes. Expression analysis revealed conserved developmental and stress-induced expression patterns of Arabidopsis and poplar genes in some clades. Evolution of plant ACS enzymes occurred early in land plants. Differential gene expansion of angiosperm ACS clades has occurred in some lineages. Evolutionary and gene expression data, combined with in vitro and limited in vivo protein function data, suggest that angiosperm ACS enzymes play conserved roles in octadecanoid and fatty acid metabolism, and play roles in organ development, for example in anthers.
Authors:
Clarice de Azevedo Souza; Brad Barbazuk; Steven G Ralph; Joerg Bohlmann; Bjoern Hamberger; Carl J Douglas
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The New phytologist     Volume:  179     ISSN:  1469-8137     ISO Abbreviation:  New Phytol.     Publication Date:  2008  
Date Detail:
Created Date:  2008-09-22     Completed Date:  2008-11-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882884     Medline TA:  New Phytol     Country:  England    
Other Details:
Languages:  eng     Pagination:  987-1003     Citation Subset:  IM    
Affiliation:
Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
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MeSH Terms
Descriptor/Qualifier:
Arabidopsis / enzymology,  genetics
Base Sequence
Bryopsida / enzymology,  genetics
Chloroplasts / chemistry
Coenzyme A Ligases / analysis,  genetics*,  physiology
Computational Biology
Evolution, Molecular
Gene Expression
Genome, Plant*
Multigene Family
Oryza sativa / enzymology,  genetics
Peroxisomes / chemistry
Phylogeny
Plant Proteins / analysis,  genetics*,  physiology
Plants / enzymology,  genetics*
Plants, Genetically Modified / metabolism,  ultrastructure
Populus / enzymology,  genetics
Sequence Alignment
Tobacco / genetics
Chemical
Reg. No./Substance:
0/Plant Proteins; EC 6.2.1.-/Coenzyme A Ligases

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