Abstract
Potassium, as a key element, plays a prominent role in regulating cellular activities and stress responses in plants. However, its availability to plants is limited due to strong adsorption by soil aggregates. In this study, the effects of symbiosis with mycorrhizal fungi, Funneliformis mosseae and Rhizophagus irregularis on potassium uptake and the expression of AKT and HKT genes under drought stress and ABA application in bean were investigated. The results revealed that the concentration of potassium in root and shoot tissues increased in response to symbiosis with arbuscular mycorrhizal fungi (AMFs). Additionally, under both control and drought conditions, AMF-colonized plants maintained higher potassium concentrations compared to non-symbiotic plants. Cellular location prediction revealed that most PvAKT, except PvAKT9 and PvAKT14, were localized to the plasma membrane. RNA-seq data analysis showed that the PvAKT and PvHKT genes exhibited differential expression in response to salt stress. Furthermore, qPCR results indicated that drought conditions and AMF symbiosis enhanced the expression of PvAKT genes. The expression profile of PvHKT genes indicated that symbiotic relationships significantly enhanced their transcriptional activity in root tissues. These findings indicate that PvAKT and PvHKT genes respond to AMF symbiosis and abiotic treatments and are associated with potassium transport in bean roots. Overall, our results suggest that some PvAKT genes respond to ABA treatment, although their direct involvement in ABA signaling pathways requires further functional validation.
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Claims 7
Claim · model-written summary
Mycorrhizal symbiosis increased potassium concentration in bean root and shoot tissues.
- Taxon
- beane1
- Treatment
- symbiosis with arbuscular mycorrhizal fungi (AMFs)e0
- Interactor
- arbuscular mycorrhizal fungi (AMFs)e0symbiont
- Outcome
- concentration of potassium in root and shoot tissuese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“the concentration of potassium in root and shoot tissues increased in response to symbiosis with arbuscular mycorrhizal fungi (AMFs).”
e1“ABA application in bean”
Claim · model-written summary
AMF colonized bean maintained higher potassium concentrations than non symbiotic plants under control and drought conditions.
Verbatim
e0“under both control and drought conditions, AMF-colonized plants maintained higher potassium concentrations compared to non-symbiotic plants.”
e1“ABA application in bean”
e2“arbuscular mycorrhizal fungi (AMFs)”
Claim · model-written summary
Most predicted PvAKT proteins were localized to plasma membrane, except PvAKT9 and PvAKT14.
Verbatim
e0“Cellular location prediction revealed that most PvAKT, except PvAKT9 and PvAKT14, were localized to the plasma membrane.”
e1“ABA application in bean”
Claim · model-written summary
PvAKT and PvHKT genes exhibited differential expression under salt stress.
Verbatim
e0“PvAKT and PvHKT genes exhibited differential expression in response to salt stress.”
e1“ABA application in bean”
Claim · model-written summary
Drought enhanced PvAKT gene expression.
- Taxon
- beane1
- Treatment
- drought conditionse0
- Gene
- PvAKTe0
- Outcome
- expression of PvAKT genese0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“drought conditions and AMF symbiosis enhanced the expression of PvAKT genes.”
e1“ABA application in bean”
Claim · model-written summary
AMF symbiosis enhanced PvAKT gene expression.
- Taxon
- beane1
- Treatment
- AMF symbiosise0
- Interactor
- AMFe0symbiont
- Gene
- PvAKTe0
- Outcome
- expression of PvAKT genese0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“drought conditions and AMF symbiosis enhanced the expression of PvAKT genes.”
e1“ABA application in bean”
Claim · model-written summary
Some PvAKT genes appear to respond to ABA treatment, pending functional validation.
- Taxon
- beane1
- Treatment
- ABA treatmente0
- Gene
- PvAKTe0
- Outcome
- respond to ABA treatmente0
- Qualifier
- requires further functional validatione0
Not reportedDirection
Verbatim
e0“some PvAKT genes respond to ABA treatment, although their direct involvement in ABA signaling pathways requires further functional validation.”
e1“ABA application in bean”
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