Abstract
Pea (Pisum sativum L.), a major legume crop, is affected by various parasites including the pea aphid (Acyrthosiphon pisum Harris). The pea aphid is composed of multiple biotypes, each one being able to feed and reproduce on one or a few legume species. To understand the pea defense mechanisms to a pea adapted and a non-adapted A. pisum biotype, we studied the early molecular responses of four pea genotypes with contrasted levels of resistance, which are controlled primarily by the ApRVII locus. We found that major defense-related phytohormones and their derivatives in pea did not show clear response to aphid infestations. Transcriptomic analyses showed that the number of differentially expressed genes (DEGs) increased over time in pea genotypes infested with pea-adapted aphids, while significantly fewer DEGs were detected in genotypes infested with non-adapted aphids. The most resistant of the four investigated pea genotypes showed the fewest DEGs to both aphid biotypes. Aphid infestation of the three other pea genotypes commonly induced down-regulation of various pathways involved in fundamental biological processes. Comparison of the transcriptional data of pea genotypes identified candidate genes potentially involved in the aphid resistance conferred by ApRVII.
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Claims 6
Claim · model-written summary
Major defense-related phytohormones and their derivatives in pea did not show a clear response to aphid infestations.
- Taxon
- pea
Lathyrus oleraceuse0 - Treatment
- aphid infestationse0
- Interactor
- aphide0pest
- Outcome
- major defense-related phytohormones and their derivativese0
- Direction
- did not show clear responsee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pea”
e0“major defense-related phytohormones and their derivatives in pea did not show clear response to aphid infestations”
Claim · model-written summary
The number of differentially expressed genes increased over time in pea genotypes infested with pea-adapted aphids.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- infested with pea-adapted aphidse0
- Interactor
- pea-adapted aphidse0pest
- Outcome
- number of differentially expressed genes (DEGs)e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pea”
e0“the number of differentially expressed genes (DEGs) increased over time in pea genotypes infested with pea-adapted aphids”
Claim · model-written summary
Significantly fewer differentially expressed genes were detected in pea genotypes infested with non-adapted aphids.
- Taxon
- PeaLathyrus oleraceust0
- Treatment
- infested with non-adapted aphidse0
- Interactor
- non-adapted aphidse0pest
- Outcome
- DEGse0
- Direction
- fewere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pea”
e0“while significantly fewer DEGs were detected in genotypes infested with non-adapted aphids”
Claim · model-written summary
The most resistant of the four investigated pea genotypes showed the fewest DEGs to both aphid biotypes.
- Taxon
- peaLathyrus oleraceuse0
- Material
- The most resistant of the four investigated pea genotypese0
- Interactor
- aphid biotypese0pest
- Outcome
- fewest DEGse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pea”
e0“The most resistant of the four investigated pea genotypes showed the fewest DEGs to both aphid biotypes”
Claim · model-written summary
Aphid infestation of the three other pea genotypes commonly induced down-regulation of various pathways involved in fundamental biological processes.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- Aphid infestatione0
- Interactor
- Aphide0pest
- Outcome
- various pathways involved in fundamental biological processese0
- Direction
- down-regulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pea”
e0“Aphid infestation of the three other pea genotypes commonly induced down-regulation of various pathways involved in fundamental biological processes”
Claim · model-written summary
Comparison of transcriptional data of pea genotypes identified candidate genes potentially involved in the aphid resistance conferred by ApRVII.
- Taxon
- peaLathyrus oleraceuse0
- Gene
- ApRVIIe0
- Outcome
- candidate genes potentially involved in the aphid resistancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pea”
e0“Comparison of the transcriptional data of pea genotypes identified candidate genes potentially involved in the aphid resistance conferred by ApRVII”