Abstract
Seed germination recovery aptitude is an adaptive trait of overriding significance for the successful establishment and dispersal of extremophile plants in their native ecosystems. Cakile maritima is an annual halophyte frequent on Mediterranean coasts, which produces transiently dormant seeds under high salinity, that germinate fast when soil salinity is lowered by rainfall. Here, we report ecophysiological and proteomic data about (1) the effect of high salt (200 mM NaCl) on the early developmental stages (germination and seedling) and (2) the seed germination recovery capacity of this species. Upon salt exposure, seed germination was severely inhibited and delayed and seedling length was restricted. Interestingly, non-germinated seeds remained viable, showing high germination percentage and faster germination than the control seeds after their transfer onto distilled water. The plant phenotypic plasticity during germination was better highlighted by the proteomic data. Salt exposure triggered (1) a marked slower degradation of seed storage reserves and (2) a significant lower abundance of proteins involved in several biological processes (primary metabolism, energy, stress-response, folding and stability). Yet, these proteins showed strong increased abundance early after stress release, thereby sustaining the faster seed storage proteins mobilization under recovery conditions compared to the control. Overall, as part of the plant survival strategy, C. maritima seems to avoid germination and establishment under high salinity. However, this harsh condition may have a priming-like effect, boosting seed germination and vigor under post-stress conditions, sustained by active metabolic machinery.
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Claims 11
Claim · model-written summary
High salt (200 mM NaCl) severely inhibited and delayed seed germination.
- Taxon
- Cakile maritima
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Cakile maritimae3 - Treatment
- high salt (200 mM NaCl)e2
- Outcome
- seed germinatione1
- Direction
- inhibitede1
- Qualifier
- severelye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e1“Upon salt exposure, seed germination was severely inhibited and delayed and seedling length was restricted”
e2“the effect of high salt (200 mM NaCl) on the early developmental stages (germination and seedling)”
e3“Cakile maritima is an annual halophyte”
Claim · model-written summary
Salt exposure restricted seedling length.
- Taxon
- Cakile maritimaCakile maritimae3
- Treatment
- salt exposuree1
- Outcome
- seedling lengthe1
- Direction
- restrictede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Upon salt exposure, seed germination was severely inhibited and delayed and seedling length was restricted”
e3“Cakile maritima is an annual halophyte”
Claim · model-written summary
Non-germinated seeds remained viable after salt exposure.
- Taxon
- Cakile maritimaCakile maritimae2
- Outcome
- non-germinated seedse1
- Qualifier
- remained viablee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Interestingly, non-germinated seeds remained viable, showing high germination percentage and faster germination than the control seeds after their transfer onto distilled water”
e2“Cakile maritima is an annual halophyte”
Claim · model-written summary
After transfer onto distilled water, seeds showed high germination percentage compared with control seeds.
- Taxon
- Cakile maritimaCakile maritimae2
- Treatment
- transfer onto distilled watere1
- Outcome
- germination percentagee1
- Direction
- highe1
- Comparator
- control seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Interestingly, non-germinated seeds remained viable, showing high germination percentage and faster germination than the control seeds after their transfer onto distilled water”
e2“Cakile maritima is an annual halophyte”
Claim · model-written summary
After transfer onto distilled water, seeds germinated faster than control seeds.
- Taxon
- Cakile maritimaCakile maritimae2
- Treatment
- transfer onto distilled watere1
- Outcome
- germinatione1
- Direction
- fastere1
- Comparator
- control seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Interestingly, non-germinated seeds remained viable, showing high germination percentage and faster germination than the control seeds after their transfer onto distilled water”
e2“Cakile maritima is an annual halophyte”
Claim · model-written summary
Salt exposure markedly slowed the degradation of seed storage reserves.
- Taxon
- Cakile maritimaCakile maritimae2
- Treatment
- Salt exposuree1
- Outcome
- degradation of seed storage reservese1
- Direction
- slowere1
- Qualifier
- markede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Salt exposure triggered (1) a marked slower degradation of seed storage reserves”
e2“Cakile maritima is an annual halophyte”
Claim · model-written summary
Salt exposure significantly lowered the abundance of proteins involved in several biological processes.
- Taxon
- Cakile maritimaCakile maritimae3
- Treatment
- Salt exposuree2
- Outcome
- abundance of proteinse1
- Direction
- lowere1
- Qualifier
- involved in several biological processes (primary metabolism, energy, stress-response, folding and stability)e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“(2) a significant lower abundance of proteins involved in several biological processes (primary metabolism, energy, stress-response, folding and stability)”
e2“Salt exposure triggered (1) a marked slower degradation of seed storage reserves”
e3“Cakile maritima is an annual halophyte”
Claim · model-written summary
Proteins showed strongly increased abundance early after stress release.
- Taxon
- Cakile maritimaCakile maritimae2
- Treatment
- stress releasee1
- Outcome
- abundancee1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“these proteins showed strong increased abundance early after stress release”
e2“Cakile maritima is an annual halophyte”
Claim · model-written summary
Early after stress release, seed storage protein mobilization was faster than in the control under recovery conditions.
- Taxon
- Cakile maritimaCakile maritimae2
- Treatment
- recovery conditionse1
- Outcome
- seed storage proteins mobilizatione1
- Direction
- fastere1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“sustaining the faster seed storage proteins mobilization under recovery conditions compared to the control”
e2“Cakile maritima is an annual halophyte”
Claim · model-written summary
Cakile maritima seems to avoid germination and establishment under high salinity as part of its survival strategy.
- Taxon
- C. maritimaCakile maritimae1
- Outcome
- germination and establishmente1
- Qualifier
- under high salinitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Overall, as part of the plant survival strategy, C. maritima seems to avoid germination and establishment under high salinity”
Claim · model-written summary
High salinity may have a priming-like effect that boosts seed germination and vigor under post-stress conditions.
- Taxon
- C. maritimaCakile maritimae2
- Outcome
- seed germination and vigore1
- Qualifier
- priming-like effecte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“this harsh condition may have a priming-like effect, boosting seed germination and vigor under post-stress conditions”
e2“C. maritima seems to avoid germination and establishment under high salinity”
The same questions in other papers
sodium chloride · growth · Cakile maritima (European searocket)Results differ
1 paper in the same direction as this paper · 4 in the opposite direction
- negative
- positive
- positive
2 papers more in this group
See all 6 papers →salinity · growth · Cakile maritima (European searocket)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- negative
2 papers more in this group
See all 6 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.