Abstract
Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species and thus soil salinity can be a limiting factor for peanut cultivation. To gain insights into peanut plant physiology in response to salt stress and alleviation, we comprehensively characterized leaf relative electrolyte leakage (REC), photosynthesis, leaf transpiration and metabolism of plants under salt stress and plants that were subjected to salt stress followed by salt alleviation period. As expected, we found that REC levels were higher when plants were subjected to salt stress compared with the untreated plants. However, in contrast to expectations, REC was even higher compared with salt treated plants when plants were transferred from salt stress to standard conditions. To decipher REC variation in response to salt stress, especial during the recovery, metabolite and transcript variations were analyzed by GC/MS and RNA-seq method, respectively. Ninety two metabolites, among total 391 metabolites identified, varied in response to salt and 42 metabolites responded to recovery specially. Transcriptomics data showed 1,742 in shoots and 3,281 in roots transcript varied in response to salt stress and 372 in shoots and 1386 transcripts in roots responded specifically to recovery, but not salt stress. Finally, 95 transcripts and 1 metabolite are indicated as candidates involved in REC, photosynthesis, transpiration and Na+ accumulation variation were revealed by using the principal component analysis (PCA) and correlation analysis. This study provides valuable information on peanut response to salt stress and recovery and may inspire further study to improve salt tolerance in peanut germplasm innovation.
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Claims 10
Claim · model-written summary
Salt stress raised leaf relative electrolyte leakage (REC) in peanut compared with untreated plants.
- Taxon
- Peanut (Arachis hypogaea L.)
Arachis hypogaeae0 - Organ / stage
- leafe3
- Treatment
- salt stresse1
- Outcome
- REC levelse1
- Direction
- highere1
- Comparator
- untreated plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e1“REC levels were higher when plants were subjected to salt stress compared with the untreated plants”
e3“we comprehensively characterized leaf relative electrolyte leakage (REC)”
Claim · model-written summary
After transfer from salt stress to standard conditions, leaf REC in peanut was even higher than in salt-treated plants.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Organ / stage
- leafe3
- Treatment
- transferred from salt stress to standard conditionse2
- Outcome
- RECe2
- Direction
- highere2
- Comparator
- salt treated plantse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e2“REC was even higher compared with salt treated plants when plants were transferred from salt stress to standard conditions”
e3“we comprehensively characterized leaf relative electrolyte leakage (REC)”
Claim · model-written summary
92 of 391 identified metabolites in peanut varied in response to salt.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Treatment
- salte4
- Outcome
- metabolitese4
- Value
- Ninety two metabolitese4
- Qualifier
- among total 391 metabolites identifiede4
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e4“Ninety two metabolites, among total 391 metabolites identified, varied in response to salt”
Claim · model-written summary
42 metabolites in peanut responded specifically to recovery.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Treatment
- recoverye5
- Outcome
- metabolitese5
- Value
- 42 metabolitese5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e5“42 metabolites responded to recovery specially”
Claim · model-written summary
1,742 transcripts in peanut shoots varied in response to salt stress.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Organ / stage
- shootse6
- Treatment
- salt stresse6
- Outcome
- transcripte6
- Value
- 1,742e6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e6“Transcriptomics data showed 1,742 in shoots and 3,281 in roots transcript varied in response to salt stress”
Claim · model-written summary
3,281 transcripts in peanut roots varied in response to salt stress.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Organ / stage
- rootse6
- Treatment
- salt stresse6
- Outcome
- transcripte6
- Value
- 3,281e6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e6“Transcriptomics data showed 1,742 in shoots and 3,281 in roots transcript varied in response to salt stress”
Claim · model-written summary
372 transcripts in peanut shoots responded specifically to recovery, not to salt stress.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Organ / stage
- shootse7
- Treatment
- recoverye7
- Outcome
- transcriptse7
- Value
- 372e7
- Comparator
- salt stresse7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e7“372 in shoots and 1386 transcripts in roots responded specifically to recovery, but not salt stress”
Claim · model-written summary
1,386 transcripts in peanut roots responded specifically to recovery, not to salt stress.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Organ / stage
- rootse7
- Treatment
- recoverye7
- Outcome
- transcriptse7
- Value
- 1386e7
- Comparator
- salt stresse7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e7“372 in shoots and 1386 transcripts in roots responded specifically to recovery, but not salt stress”
Claim · model-written summary
95 transcripts in peanut are candidates involved in REC, photosynthesis, transpiration and Na+ accumulation variation.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Gene
- transcriptse7
- Outcome
- REC, photosynthesis, transpiration and Na+ accumulation variatione7
- Value
- 95 transcriptse7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e7“95 transcripts and 1 metabolite are indicated as candidates involved in REC, photosynthesis, transpiration and Na+ accumulation variation”
Claim · model-written summary
1 metabolite in peanut is a candidate involved in REC, photosynthesis, transpiration and Na+ accumulation variation.
- Taxon
- Peanut (Arachis hypogaea L.)Arachis hypogaeae0
- Compound
- metabolitee7
- Outcome
- REC, photosynthesis, transpiration and Na+ accumulation variatione7
- Value
- 1 metabolitee7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peanut (Arachis hypogaea L.) is considered as a moderately salt-sensitive species”
e7“95 transcripts and 1 metabolite are indicated as candidates involved in REC, photosynthesis, transpiration and Na+ accumulation variation”
The same questions in other papers
salinity · physiology: oxidative · Arachis hypogaea (peanut)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
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See all 5 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.