Abstract
The translation initiation factors eIF4E and eIF(iso)4E play a key role during virus infection in plants. During mRNA translation, eIF4E provides the cap-binding function and is associated with the protein eIF4G to form the eIF4F complex. Susceptibility analyses of Arabidopsis mutants knocked-out for At-eIF4G genes showed that eIF4G factors are indispensable for potyvirus infection. The colonization pattern by a viral recombinant carrying GFP indicated that eIF4G is involved at a very early infection step. Like eIF4E, eIF4G isoforms are selectively recruited for infection. Moreover, the eIF4G selective involvement parallels eIF4E recruitment. This is the first report of a coordinated and selective recruitment of eIF4E and eIF4G factors, suggesting the whole eIF4F recruitment.
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Claims 5
Claim · model-written summary
eIF4G factors were indispensable for potyvirus infection.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianat0 - Gene
- eIF4G factorse0
- Outcome
- potyvirus infectione0
PotyvirusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Arabidopsis thaliana”
e0“Susceptibility analyses of Arabidopsis mutants knocked-out for At-eIF4G genes showed that eIF4G factors are indispensable for potyvirus infection”
Claim · model-written summary
eIF4G acts at an early infection step.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Gene
- eIF4Ge0
- Outcome
- very early infection stepe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Arabidopsis thaliana”
e0“The colonization pattern by a viral recombinant carrying GFP indicated that eIF4G is involved at a very early infection step”
Claim · model-written summary
eIF4G isoforms were selectively recruited for infection.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Gene
- eIF4G isoformse0
- Outcome
- selectively recruited for infectione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Arabidopsis thaliana”
e0“Like eIF4E, eIF4G isoforms are selectively recruited for infection”
Claim · model-written summary
Selective eIF4G involvement paralleled eIF4E recruitment.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Gene
- eIF4Ee0
- Outcome
- eIF4G selective involvemente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Arabidopsis thaliana”
e0“the eIF4G selective involvement parallels eIF4E recruitment”
Claim · model-written summary
Coordinated selective recruitment suggests recruitment of the entire eIF4F complex.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Gene
- eIF4E and eIF4G factorse0
- Outcome
- whole eIF4F recruitmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Arabidopsis thaliana”
e0“coordinated and selective recruitment of eIF4E and eIF4G factors, suggesting the whole eIF4F recruitment”