OrangerV1, France, Analysis, bibRecord, 000097

Ascorbate peroxidase-related (APx-R) is not a duplicable gene

Identifieur interne : 000097 ( France/Analysis ); précédent : 000096; suivant : 000098

Ascorbate peroxidase-related (APx-R) is not a duplicable gene

Auteurs : Christophe Dunand [France] ; Catherine Mathé [France] ; Fernanda Lazzarotto [Brésil] ; Rogério Margis [Brésil] ; Marcia Margis-Pinheiro [Brésil]

Source :

Plant Signaling & Behavior [ 1559-2316 ] ; 2011.

RBID : PMC:3337176

Abstract

Phylogenetic, genomic and functional analyses have allowed the identification of a new class of putative heme peroxidases, so called APx-R (APx-Related). These new class, mainly present in the green lineage (including green algae and land plants), can also be detected in other unicellular chloroplastic organisms. Except for recent polyploid organisms, only single-copy of APx-R gene was detected in each genome, suggesting that the majority of the APx-R extra-copies were lost after chromosomal or segmental duplications. In a similar way, most APx-R co-expressed genes in Arabidopsis genome do not have conserved extra-copies after chromosomal duplications and are predicted to be localized in organelles, as are the APx-R. The member of this gene network can be considered as unique gene, well conserved through the evolution due to a strong negative selection pressure and a low evolution rate.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3337176

DOI: 10.4161/psb.6.12.18098
PubMed: 22231200
PubMed Central: 3337176

Affiliations:

Brésil, France

Links to Exploration step

PMC:3337176

Le document en format XML

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Ascorbate peroxidase-related (APx-R) is not a duplicable gene

Ascorbate peroxidase-related (APx-R) is not a duplicable gene

Source :

Abstract

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Links to Exploration step

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