Information report for TaALMT1
Gene Details
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Functional Descriptions
- Role of TaALMT1 malate-GABA transporter in alkaline pH tolerance of wheat.
- Malate exudation through wheat (Triticum aestivum L) aluminium-activated malate transporter 1 (TaALMT1) confers Al3+ tolerance at low pH, but is also activated by alkaline pH, and is regulated by and facilitates significant transport of gamma-aminobutyric acid (GABA, a zwitterionic buffer).
- TaALMT1 may facilitate acidification of an alkaline rhizosphere by promoting exudation of both malate and GABA.
- TaALMT1 expression did not change under alkaline conditions but key genes involved in GABA turnover changed in accordance with a high rate of GABA synthesis.
- Ethylene negatively regulates aluminium-induced malate efflux from wheat roots and tobacco cells transformed with TaALMT1.
- These findings indicate that ethylene may behave as a negative regulator of Al3+-induced malate efflux by targeting TaALMT1-mediated malate efflux by an unknown mechanism.
- We propose that TaALMT1 plays a role in alkaline tolerance by exuding malate and GABA, possibly coupled to proton efflux.
- The consistent shift in the direction of the Erev as the intracellular malate activity increases indicates that TaALMT1 is selective for the transport of malate over other anions.
- TaALMT1 can also mediate a large anion influx (i.e. outward currents). TaALMT1 is permeable not only to malate but also to other physiologically relevant anions such as Cl−, NO3−, and SO42− (to a lesser degree).
- Phosphorylation at S384 regulates the activity of the TaALMT1 malate transporter that underlies aluminum resistance in wheat.
- We show that the Al3+-activated currents measured in TaALMT1-transformed tobacco cells are identical to the Al3+-activated currents observed in the root cells of wheat, indicating that TaALMT1 alone is likely to be responsible for those endogenous currents.
Functional Keywords
Literature and News
- Role of TaALMT1 malate-GABA transporter in alkaline pH tolerance of wheat. DOI: 10.1111/pce.13845 ; PMID: 32666573
- Ethylene negatively regulates aluminium-induced malate efflux from wheat roots and tobacco cells transformed with TaALMT1. DOI: 10.1093/jxb/eru123 ; PMID: 24668874
- Phosphorylation at S384 regulates the activity of the TaALMT1 malate transporter that underlies aluminum resistance in wheat. DOI: 10.1111/j.1365-313x.2009.03964.x ; PMID: 19563436
- Characterization of the TaALMT1 protein as an Al3+-activated anion channel in transformed tobacco (Nicotiana tabacum L.) cells. DOI: 10.1093/pcp/pcn107 ; PMID: 18676980
- Novel properties of the wheat aluminum tolerance organic acid transporter (TaALMT1) revealed by electrophysiological characterization in Xenopus Oocytes: functional and structural implications. DOI: 10.1104/pp.108.119636 ; PMID: 18550686
Gene Resources
- NCBI ID: DQ072260
- UniProt accessions: Q76LB1
- EMBL: AB081803 , AB081804 , AB243164 , DQ072260
- AlphaFoldDB: Q76LB1
- EnsemblPlants: TraesCS4D02G283600.2
- Gramene: TraesCS4D02G283600.2
- GO: GO:0005886 , GO:0009705 , GO:0015743 , GO:0034220
- ExpressionAtlas: TraesCS4D02G283600
- InterPro: IPR020966
- PANTHER: PTHR31086
- SMR: Q76LB1
Sequences
cDNA Sequence
- >TraesCS4D02G283600.2
ATTTGGGTAGCGCGGTGGATGGGTTAGGAGGAATGTGAGCGCGCCATGTGTTTGTCCGCCAGTGCCTAACTGCCGCACTGCCTCAAAAGGCGCGTGCTAGGGTACTGTACTTAATTAGCAGCGCCGTACGCGCTTGAGCTTGCATTGCATCTGCCATGGATATTGATCACGGCAGAGAGAGCGACGGCGAGATGGTGGGCACCATCGCCAGCTGCGGGCTGCTGCTCCACTCGCTTCTCGCCGGGCTCGGGCGTCGCGCCGCCGGGTTCGCCCGGAAGGTGGGCGGCGCCGCGCGGGAGGACCCGAGGCGGGTGGCGCACTCGCTCAAAGTCGGCCTGGCGCTCGCGCTGGTGTCCGTCGTCTACTTCGTCACGCCGCTCTTCAACGGCCTCGGGGTGTCCGCGATATGGGCCGTGCTCACCGTCGTCGTCGTCATGGAGTACACCGTCGGTGCCACGCTGAGTAAAGGCTTGAACAGAGCCTTGGCGACGTTGGTGGCTGGCTGCATCGCCGTCGGAGCTCATCAGTTAGCTGAATTAGCTGAACGCTGTGGTGATCAGGGAGAGCCCATAGTGCTCACCGTGCTCGTCTTCTTCGTAGCGTCAGCGGCGACGTTCTTGCGCTTCATCCCGGAGATCAAGGCCAAGTACGACTACGGCGTGACCATCTTCATACTGACCTTCGGTCTGGTGGCCGTGTCGAGCTACAGAGTGGAGGAGCTCATCCAGCTCGCGCACCAGCGGTTCTACACCATAGCCGTCGGCGTCTTCATCTGCCTCTGCACCACCGTCTTCCTCTTCCCCGTCTGGGCCGGAGAGGACGTCCACAAGCTCGCCTCCGGCAACCTCGACAAACTCGCTCAGTTCATTGAAGGAATGGAATTCAACTGCTTTGGCGAAAACAGTGTTGCAAATAATTTTGGGGGAAAGGATTCCCCCCAAATGCACAAGAGCGTCCTTAATTCGAAGGCCACTGAGGACTCTTTGTGCACCTTTGCCAAATGGGAGCCTCGTCATGGCCAGTTCAGATTTCGACACCCATGGAGCCAATACCAGAAGCTGGGAACTCTTTGTCGCCAATGTGCGTCTTCTATGGAGGCTCTTGCTTCATATGTCATCACAACCTCAAAAACCCAGTGCCCTGCTGCAGCCAACCCTGAGCTATCATGTAAGGTTCGAAAAACATGTGGCGAAATGAGCTTGCATTCCTCCAAGGTGCTTAGGGATCTCGCAATGGCAACTCGAACAATGACTGTGCCGTCTCCAGTGAATATCACCATGGCTACAGCCGTGAAAGCAGCGGAAAGCCTCAGAAGCGAGCTTGCAGAGAACACGGCTCTGTTGCAAGTGATGCATGTGGCCGTCACCGCAACACTTCTTGCGGACTTGGTTGATAGGGTGAAGGAAATCGCGGAATGTGTTGATGTCCTAGCAAGACTGGCGCACTTTAAGAACCCCGAGGACACAAAAAATGTCGTTGTCAGTACCGTGAGTCGAGGGATAGACGAACCTTTGCCTGACGTGGTTATTTTGTAAATCTTCAAAACATTGGTAGACTATATGGTGAAGAACATGGTAGTACTATAGTAGTACTATGTATCAATACTGGAGGGTCTTGTATTGGTTGATTTAGATTTATTACTGCTGAGACATGTTGGATATATGAGCGATTTTC - >TraesCS4D02G283600.1
ATTTGGGTAGCGCGGTGGATGGGTTAGGAGGAATGTGAGCGCGCCATGTGTTTGTCCGCCAGTGCCTAACTGCCGCACTGCCTCAAAAGGCGCGTGCTAGGGTACTGTACTTAATTAGCAGCGCCGTACGCGCTTGAGCTTGCATTGCATCTGCCATGGATATTGATCACGGCAGAGAGAGCGACGGCGAGATGGTGGGCACCATCGCCAGCTGCGGGCTGCTGCTCCACTCGCTTCTCGCCGGGCTCGGGCGTCGCGCCGCCGGGTTCGCCCGGAAGGTGGGCGGCGCCGCGCGGGAGGACCCGAGGCGGGTGGCGCACTCGCTCAAAGTCGGCCTGGCGCTCGCGCTGGTGTCCGTCGTCTACTTCGTCACGCCGCTCTTCAACGGCCTCGGGGTGTCCGCGATATGGGCCGTGCTCACCGTCGTCGTCGTCATGGAGTACACCGTCGGTGCCACGCTGAGTAAAGGCTTGAACAGAGCCTTGGCGACGTTGGTGGCTGGCTGCATCGCCGTCGGAGCTCATCAGTTAGCTGAATTAGCTGAACGCTGTGGTGATCAGGGAGAGCCCATAGTGCTCACCGTGCTCGTCTTCTTCGTAGCGTCAGCGGCGACGTTCTTGCGCTTCATCCCGGAGATCAAGGCCAAGTACGACTACGGCGTGACCATCTTCATACTGACCTTCGGTCTGGTGGCCGTGTCGAGCTACAGAGTGGAGGAGCTCATCCAGCTCGCGCACCAGCGGTTCTACACCATAGCCGTCGGCGTCTTCATCTGCCTCTGCACCACCGTCTTCCTCTTCCCCGTCTGGGCCGGAGAGGACGTCCACAAGCTCGCCTCCGGCAACCTCGACAAACTCGCTCAGTTCATTGAAGGAATGGAATTCAACTGCTTTGGCGAAAACAGTGTTGCAAATAATTTTGGGGGAAAGGATTCCCCCCAAATGCACAAGAGCGTCCTTAATTCGAAGGCCACTGAGGACTCTTTGTGCACCTTTGCCAAATGGGAGCCTCGTCATGGCCAGTTCAGATTTCGACACCCATGGAGCCAATACCAGAAGCTGGGAACTCTTTGTCGCCAATGTGCGTCTTCTATGGAGGCTCTTGCTTCATATGTCATCACAACCTCAAAAACCCAGTGCCCTGCTGCAGCCAACCCTGAGCTATCATGTAAGGTTCGAAAAACATGTGGCGAAATGAGCTTGCATTCCTCCAAGGTGCTTAGGGATCTCGCAATGGCAACTCGAACAATGACTGTGCCGTCTCCAGTGAATATCACCATGGCTACAGCCGTGAAAGCAGCGGAAAGCCTCAGAAGCGAGCTTGCAGAGAACACGGCTCTGTTGCAAGTGATGCATGTGGCCGTCACCGCAACACTTCTTGCGGACTTGGTTGATAGGGTGAAGGAAATCGCGGAATGTGTTGATGTCCTAGCAAGACTGGCGCACTTTAAGAACCCCGAGGACACAAAAAATGTCGTTGTCAGTACCGTGAGTCGAGGGATAGACGAACCTTTGCCTGACGTGGTTATTTTGTAAATCTTCAAAACATTGGTAGACTATATGGTGAAGAACATGGTAGTACTATAGTAGTACTATGTATCAATACTGGAGGGTCTTGTATTGGTTGATTTAGATTTATTACTGCTGAGACATGTTGGATATATGAGCGATTTTC
CDS Sequence
- >TraesCS4D02G283600.2
ATGGATATTGATCACGGCAGAGAGAGCGACGGCGAGATGGTGGGCACCATCGCCAGCTGCGGGCTGCTGCTCCACTCGCTTCTCGCCGGGCTCGGGCGTCGCGCCGCCGGGTTCGCCCGGAAGGTGGGCGGCGCCGCGCGGGAGGACCCGAGGCGGGTGGCGCACTCGCTCAAAGTCGGCCTGGCGCTCGCGCTGGTGTCCGTCGTCTACTTCGTCACGCCGCTCTTCAACGGCCTCGGGGTGTCCGCGATATGGGCCGTGCTCACCGTCGTCGTCGTCATGGAGTACACCGTCGGTGCCACGCTGAGTAAAGGCTTGAACAGAGCCTTGGCGACGTTGGTGGCTGGCTGCATCGCCGTCGGAGCTCATCAGTTAGCTGAATTAGCTGAACGCTGTGGTGATCAGGGAGAGCCCATAGTGCTCACCGTGCTCGTCTTCTTCGTAGCGTCAGCGGCGACGTTCTTGCGCTTCATCCCGGAGATCAAGGCCAAGTACGACTACGGCGTGACCATCTTCATACTGACCTTCGGTCTGGTGGCCGTGTCGAGCTACAGAGTGGAGGAGCTCATCCAGCTCGCGCACCAGCGGTTCTACACCATAGCCGTCGGCGTCTTCATCTGCCTCTGCACCACCGTCTTCCTCTTCCCCGTCTGGGCCGGAGAGGACGTCCACAAGCTCGCCTCCGGCAACCTCGACAAACTCGCTCAGTTCATTGAAGGAATGGAATTCAACTGCTTTGGCGAAAACAGTGTTGCAAATAATTTTGGGGGAAAGGATTCCCCCCAAATGCACAAGAGCGTCCTTAATTCGAAGGCCACTGAGGACTCTTTGTGCACCTTTGCCAAATGGGAGCCTCGTCATGGCCAGTTCAGATTTCGACACCCATGGAGCCAATACCAGAAGCTGGGAACTCTTTGTCGCCAATGTGCGTCTTCTATGGAGGCTCTTGCTTCATATGTCATCACAACCTCAAAAACCCAGTGCCCTGCTGCAGCCAACCCTGAGCTATCATGTAAGGTTCGAAAAACATGTGGCGAAATGAGCTTGCATTCCTCCAAGGTGCTTAGGGATCTCGCAATGGCAACTCGAACAATGACTGTGCCGTCTCCAGTGAATATCACCATGGCTACAGCCGTGAAAGCAGCGGAAAGCCTCAGAAGCGAGCTTGCAGAGAACACGGCTCTGTTGCAAGTGATGCATGTGGCCGTCACCGCAACACTTCTTGCGGACTTGGTTGATAGGGTGAAGGAAATCGCGGAATGTGTTGATGTCCTAGCAAGACTGGCGCACTTTAAGAACCCCGAGGACACAAAAAATGTCGTTGTCAGTACCGTGAGTCGAGGGATAGACGAACCTTTGCCTGACGTGGTTATTTTGTAA - >TraesCS4D02G283600.1
ATGGATATTGATCACGGCAGAGAGAGCGACGGCGAGATGGTGGGCACCATCGCCAGCTGCGGGCTGCTGCTCCACTCGCTTCTCGCCGGGCTCGGGCGTCGCGCCGCCGGGTTCGCCCGGAAGGTGGGCGGCGCCGCGCGGGAGGACCCGAGGCGGGTGGCGCACTCGCTCAAAGTCGGCCTGGCGCTCGCGCTGGTGTCCGTCGTCTACTTCGTCACGCCGCTCTTCAACGGCCTCGGGGTGTCCGCGATATGGGCCGTGCTCACCGTCGTCGTCGTCATGGAGTACACCGTCGGTGCCACGCTGAGTAAAGGCTTGAACAGAGCCTTGGCGACGTTGGTGGCTGGCTGCATCGCCGTCGGAGCTCATCAGTTAGCTGAATTAGCTGAACGCTGTGGTGATCAGGGAGAGCCCATAGTGCTCACCGTGCTCGTCTTCTTCGTAGCGTCAGCGGCGACGTTCTTGCGCTTCATCCCGGAGATCAAGGCCAAGTACGACTACGGCGTGACCATCTTCATACTGACCTTCGGTCTGGTGGCCGTGTCGAGCTACAGAGTGGAGGAGCTCATCCAGCTCGCGCACCAGCGGTTCTACACCATAGCCGTCGGCGTCTTCATCTGCCTCTGCACCACCGTCTTCCTCTTCCCCGTCTGGGCCGGAGAGGACGTCCACAAGCTCGCCTCCGGCAACCTCGACAAACTCGCTCAGTTCATTGAAGGAATGGAATTCAACTGCTTTGGCGAAAACAGTGTTGCAAATAATTTTGGGGGAAAGGATTCCCCCCAAATGCACAAGAGCGTCCTTAATTCGAAGGCCACTGAGGACTCTTTGTGCACCTTTGCCAAATGGGAGCCTCGTCATGGCCAGTTCAGATTTCGACACCCATGGAGCCAATACCAGAAGCTGGGAACTCTTTGTCGCCAATGTGCGTCTTCTATGGAGGCTCTTGCTTCATATGTCATCACAACCTCAAAAACCCAGTGCCCTGCTGCAGCCAACCCTGAGCTATCATGTAAGGTTCGAAAAACATGTGGCGAAATGAGCTTGCATTCCTCCAAGGTGCTTAGGGATCTCGCAATGGCAACTCGAACAATGACTGTGCCGTCTCCAGTGAATATCACCATGGCTACAGCCGTGAAAGCAGCGGAAAGCCTCAGAAGCGAGCTTGCAGAGAACACGGCTCTGTTGCAAGTGATGCATGTGGCCGTCACCGCAACACTTCTTGCGGACTTGGTTGATAGGGTGAAGGAAATCGCGGAATGTGTTGATGTCCTAGCAAGACTGGCGCACTTTAAGAACCCCGAGGACACAAAAAATGTCGTTGTCAGTACCGTGAGTCGAGGGATAGACGAACCTTTGCCTGACGTGGTTATTTTGTAA
Protein Sequence
- >TraesCS4D02G283600.2
MDIDHGRESDGEMVGTIASCGLLLHSLLAGLGRRAAGFARKVGGAAREDPRRVAHSLKVGLALALVSVVYFVTPLFNGLGVSAIWAVLTVVVVMEYTVGATLSKGLNRALATLVAGCIAVGAHQLAELAERCGDQGEPIVLTVLVFFVASAATFLRFIPEIKAKYDYGVTIFILTFGLVAVSSYRVEELIQLAHQRFYTIAVGVFICLCTTVFLFPVWAGEDVHKLASGNLDKLAQFIEGMEFNCFGENSVANNFGGKDSPQMHKSVLNSKATEDSLCTFAKWEPRHGQFRFRHPWSQYQKLGTLCRQCASSMEALASYVITTSKTQCPAAANPELSCKVRKTCGEMSLHSSKVLRDLAMATRTMTVPSPVNITMATAVKAAESLRSELAENTALLQVMHVAVTATLLADLVDRVKEIAECVDVLARLAHFKNPEDTKNVVVSTVSRGIDEPLPDVVIL - >TraesCS4D02G283600.1
MDIDHGRESDGEMVGTIASCGLLLHSLLAGLGRRAAGFARKVGGAAREDPRRVAHSLKVGLALALVSVVYFVTPLFNGLGVSAIWAVLTVVVVMEYTVGATLSKGLNRALATLVAGCIAVGAHQLAELAERCGDQGEPIVLTVLVFFVASAATFLRFIPEIKAKYDYGVTIFILTFGLVAVSSYRVEELIQLAHQRFYTIAVGVFICLCTTVFLFPVWAGEDVHKLASGNLDKLAQFIEGMEFNCFGENSVANNFGGKDSPQMHKSVLNSKATEDSLCTFAKWEPRHGQFRFRHPWSQYQKLGTLCRQCASSMEALASYVITTSKTQCPAAANPELSCKVRKTCGEMSLHSSKVLRDLAMATRTMTVPSPVNITMATAVKAAESLRSELAENTALLQVMHVAVTATLLADLVDRVKEIAECVDVLARLAHFKNPEDTKNVVVSTVSRGIDEPLPDVVIL