Literature DB >> 26883227

mRNA biogenesis-related helicase eIF4AIII from Arabidopsis thaliana is an important factor for abiotic stress adaptation.

Cecilia Pascuan1,2, Romina Frare1, Karina Alleva1, Nicolás Daniel Ayub1,2, Gabriela Soto3,4.   

Abstract

Similar to other plant species, Arabidopsis has a huge repertoire of predicted helicases, including the eIF4AIII factor, a putative component of the exon junction complex related to mRNA biogenesis. In this article, we integrated evolutionary and functional approaches to have a better understanding of eIF4AIII function in plants. Phylogenetic analysis showed that the mRNA biogenesis-related helicase eIF4AIII is the ortholog of the stress-related helicases PDH45 from Pisum sativum and MH1 from Medicago sativa, suggesting evolutionary and probably functional equivalences between mRNA biogenesis and stress-related plant helicases. Molecular and genetic analyses confirmed the relevance of eIF4AIII during abiotic stress adaptation in Arabidopsis. Therefore, in addition to its function in mRNA biogenesis, eIF4AIII can play a role in abiotic stress adaptation.

Entities:  

Keywords:  Abiotic stress; Arabidopsis; Evolution; Helicases; mRNA biogenesis

Mesh:

Substances:

Year:  2016        PMID: 26883227     DOI: 10.1007/s00299-016-1947-5

Source DB:  PubMed          Journal:  Plant Cell Rep        ISSN: 0721-7714            Impact factor:   4.570


  12 in total

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Review 2.  Homology assessment and molecular sequence alignment.

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Journal:  Plant Cell       Date:  2009-05-12       Impact factor: 11.277

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