Abstract
Genomic and cDNA clones have been isolated for an Arabidopsis thaliana gene, ARSK1, that encodes a protein with structural similarities to serine/threonine kinases. Expression of ARSK1 is root specific and is induced by exposing roots to air during growth or by treatment of roots with ABA or NaCl. ARSK1 gene expression in transgenic plants is confined to cells in the tissues of the root as measured by beta-glucuronidase (GUS) expression from an ARSK1 gene promoter-GUS gene construct. Transverse sections of the stained roots further defined the tissue-specificity; high levels of expression in the epidermal, endoepidermal and cortex regions, but no or very little expression in the vascular system. Another feature of the expression pattern of the ARSK1 gene was a gradual increase in the expression expression level along the root with the highest level of expression in the region closest to the root meristem. These studies suggest that ARSK1 may have a role in the signal transduction pathway of osmotic stress.
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Claims 11
Claim · model-written summary
Genomic and cDNA clones of ARSK1 were isolated.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae0 - Gene
- ARSK1e0
- Outcome
- Genomic and cDNA clonese0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genomic and cDNA clones have been isolated for an Arabidopsis thaliana gene, ARSK1”
Claim · model-written summary
ARSK1 encodes a protein structurally similar to serine/threonine kinases.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Gene
- ARSK1e0
- Outcome
- protein with structural similarities to serine/threonine kinasese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ARSK1, that encodes a protein with structural similarities to serine/threonine kinases”
t0“Arabidopsis thaliana”
Claim · model-written summary
ARSK1 expression is root specific.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Organ / stage
- roote0
- Gene
- ARSK1e0
- Outcome
- root specifice0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Expression of ARSK1 is root specific”
t0“Arabidopsis thaliana”
Claim · model-written summary
Air exposure during growth induced ARSK1 expression in roots.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- exposing roots to air during growthe0
- Gene
- ARSK1t1
- Outcome
- Expressiont1
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“is induced by exposing roots to air during growth”
t0“Arabidopsis thaliana”
t1“Expression of ARSK1 is root specific and is induced by exposing roots to air during growth or by treatment of roots with ABA or NaCl.”
Claim · model-written summary
ABA treatment induced root ARSK1 expression.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- ABAe0
- Gene
- ARSK1t1
- Outcome
- Expressiont1
- Direction
- inducedt1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“treatment of roots with ABA or NaCl”
t0“Arabidopsis thaliana”
t1“Expression of ARSK1 is root specific and is induced by exposing roots to air during growth or by treatment of roots with ABA or NaCl.”
Claim · model-written summary
NaCl treatment induced root ARSK1 expression.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- NaCle0
- Gene
- ARSK1t1
- Outcome
- Expressiont1
- Direction
- inducedt1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“treatment of roots with ABA or NaCl”
t0“Arabidopsis thaliana”
t1“Expression of ARSK1 is root specific and is induced by exposing roots to air during growth or by treatment of roots with ABA or NaCl.”
Claim · model-written summary
Promoter-GUS expression was confined to root tissues in transgenic plants.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Organ / stage
- roote0
- Gene
- ARSK1e0
- Outcome
- confined to cells in the tissues of the roote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ARSK1 gene expression in transgenic plants is confined to cells in the tissues of the root”
t0“Arabidopsis thaliana”
Claim · model-written summary
ARSK1 expression was high in epidermal, endoepidermal and cortex regions.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Organ / stage
- epidermal, endoepidermal and cortex regionse0
- Gene
- ARSK1t1
- Outcome
- levels of expressione0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high levels of expression in the epidermal, endoepidermal and cortex regions”
t0“Arabidopsis thaliana”
t1“Expression of ARSK1 is root specific and is induced by exposing roots to air during growth or by treatment of roots with ABA or NaCl.”
Claim · model-written summary
ARSK1 expression was absent or very low in the vascular system.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Organ / stage
- vascular systeme0
- Gene
- ARSK1t1
- Outcome
- expressione0
- Direction
- no or very littlee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no or very little expression in the vascular system”
t0“Arabidopsis thaliana”
t1“Expression of ARSK1 is root specific and is induced by exposing roots to air during growth or by treatment of roots with ABA or NaCl.”
Claim · model-written summary
ARSK1 expression rose along the root toward the meristem.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Organ / stage
- roote0
- Gene
- ARSK1t1
- Outcome
- expression expression levele0
- Direction
- gradual increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a gradual increase in the expression expression level along the root with the highest level of expression in the region closest to the root meristem”
t0“Arabidopsis thaliana”
t1“Expression of ARSK1 is root specific and is induced by exposing roots to air during growth or by treatment of roots with ABA or NaCl.”
Claim · model-written summary
The authors suggest ARSK1 may act in osmotic-stress signal transduction.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Gene
- ARSK1e0
- Outcome
- signal transduction pathway of osmotic stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ARSK1 may have a role in the signal transduction pathway of osmotic stress”
t0“Arabidopsis thaliana”
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