Abstract
In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents. Aberrant seed development occurred in the aba,abi3 recombinant and was normal in aba,abi1, abi3 and aba,abi1 seeds. Embryos of the recombinant aba,abi3 seeds maintained the green color until maturity, the seeds kept a high water content, did not form the late abundant 2S and 12S storage proteins, were desiccation intolerant, and often showed viviparous germination. Application of ABA, and particularly of an ABA analog, to the roots of plants during seed development partially alleviated the aberrant phenotype. Seeds of aba,abi3 were normal when they developed on a mother plant heterozygous for Aba. In contrast to seed development, the induction of dormancy was blocked in all monogenic mutants and recombinants. Dormancy was only induced by embryonic ABA; it could not be increased by maternal ABA or ABA applied to the mother plant. It is concluded that endogenous ABA has at least two different effects in developing seeds. The nature of these responses and of the ABA response system is discussed.
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Claims 15
Claim · model-written summary
Seed development was aberrant in the aba,abi3 recombinant.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae0 - Material
- aba,abi3 recombinante1
- Outcome
- Aberrant seed developmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“Aberrant seed development occurred in the aba,abi3 recombinant and was normal in aba,abi1, abi3 and aba,abi1 seeds”
Claim · model-written summary
Seed development was normal in aba,abi1, abi3 and aba,abi1 seeds.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Material
- aba,abi1, abi3 and aba,abi1e1
- Outcome
- seed developmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“Aberrant seed development occurred in the aba,abi3 recombinant and was normal in aba,abi1, abi3 and aba,abi1 seeds”
Claim · model-written summary
Embryos of the recombinant aba,abi3 seeds kept green colour until maturity.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Material
- recombinant aba,abi3e2
- Organ / stage
- Embryose2
- Outcome
- maintained the green color until maturitye2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e2“Embryos of the recombinant aba,abi3 seeds maintained the green color until maturity”
Claim · model-written summary
Seeds of the aba,abi3 recombinant kept a high water content.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Outcome
- kept a high water contente3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e3“the seeds kept a high water content”
Claim · model-written summary
Seeds of the aba,abi3 recombinant did not form the late abundant 2S and 12S storage proteins.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Outcome
- did not form the late abundant 2S and 12S storage proteinse4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e4“did not form the late abundant 2S and 12S storage proteins”
Claim · model-written summary
Seeds of the aba,abi3 recombinant were desiccation intolerant.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Outcome
- desiccation intolerante5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e5“were desiccation intolerant”
Claim · model-written summary
Seeds of the aba,abi3 recombinant often showed viviparous germination.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Outcome
- viviparous germinatione6
- Qualifier
- oftene6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e6“often showed viviparous germination”
Claim · model-written summary
Application of ABA to the roots during seed development partially alleviated the aberrant phenotype in Arabidopsis.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Treatment
- Application of ABAe7
- Outcome
- aberrant phenotypee7
- Direction
- alleviatede7
- Qualifier
- partiallye7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e7“Application of ABA, and particularly of an ABA analog, to the roots of plants during seed development partially alleviated the aberrant phenotype”
Claim · model-written summary
An ABA analog applied to the roots during seed development alleviated the aberrant phenotype in Arabidopsis, particularly.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Treatment
- ABA analoge7
- Outcome
- aberrant phenotypee7
- Direction
- alleviatede7
- Qualifier
- particularlye7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e7“Application of ABA, and particularly of an ABA analog, to the roots of plants during seed development partially alleviated the aberrant phenotype”
Claim · model-written summary
Seeds of aba,abi3 were normal when they developed on a mother plant heterozygous for Aba.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Material
- mother plant heterozygous for Abae1
- Outcome
- Seeds of aba,abi3 were normale1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“Seeds of aba,abi3 were normal when they developed on a mother plant heterozygous for Aba”
Claim · model-written summary
The induction of dormancy was blocked in all monogenic mutants and recombinants of Arabidopsis.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Material
- all monogenic mutants and recombinantse1
- Outcome
- the induction of dormancy was blockede1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“the induction of dormancy was blocked in all monogenic mutants and recombinants”
Claim · model-written summary
Dormancy was induced only by embryonic ABA in Arabidopsis seeds.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Treatment
- embryonic ABAe1
- Outcome
- Dormancye1
- Direction
- inducede1
- Qualifier
- onlye1
- Comparator
- maternal ABAe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“Dormancy was only induced by embryonic ABA; it could not be increased by maternal ABA or ABA applied to the mother plant”
Claim · model-written summary
Maternal ABA could not increase dormancy in Arabidopsis seeds.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Treatment
- maternal ABAe1
- Outcome
- Dormancye1
- Direction
- could not be increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“Dormancy was only induced by embryonic ABA; it could not be increased by maternal ABA or ABA applied to the mother plant”
Claim · model-written summary
ABA applied to the mother plant could not increase dormancy in Arabidopsis seeds.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Treatment
- ABA applied to the mother plante1
- Outcome
- Dormancye1
- Direction
- could not be increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“Dormancy was only induced by embryonic ABA; it could not be increased by maternal ABA or ABA applied to the mother plant”
Claim · model-written summary
Endogenous ABA has at least two different effects in developing seeds.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Compound
- endogenous ABAe1
- Outcome
- at least two different effects in developing seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Arabidopsis thaliana, seed development in recombinants of the ABA-deficient aba mutant with the ABA response mutants abi1 or abi3 is compared to wild type and the monogenic parents”
e1“It is concluded that endogenous ABA has at least two different effects in developing seeds”
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