Information report for SERF1
Gene Details
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Functional Descriptions
- Here, we characterize the role of the rice transcription factor (TF) SALT-RESPONSIVE ERF1 (SERF1) during grain development.
- Consistently, during grain filling, starch biosynthesis genes such as GRANULE-BOUND STARCH SYNTHASEI (GBSSI), STARCH SYNTHASEI (SSI), SSIIIa, and ADP-GLUCOSE PYROPHOSPHORYLASE LARGE SUBUNIT2 (AGPL2) are up-regulated in SERF1 knockout grains.
- In agreement, plants deficient for SERF1 are more sensitive to salt stress compared with the wild type, while constitutive overexpression of SERF1 improves salinity tolerance.
- Here, we identified salt-responsive ERF1 (SERF1), a rice (Oryza sativa) transcription factor (TF) gene that shows a root-specific induction upon salt and hydrogen peroxide (H2O2) treatment.
- Loss of SERF1 impairs the salt-inducible expression of genes encoding members of a mitogen-activated protein kinase (MAPK) cascade and salt tolerance-mediating TFs.
- We propose that SERF1 amplifies the reactive oxygen species-activated MAPK cascade signal during the initial phase of salt stress and translates the salt-induced signal into an appropriate expressional response resulting in salt tolerance.
- Through genome-wide expression profiling and chromatin immunoprecipitation, we found that SERF1 directly regulates RICE PROLAMIN-BOX BINDING FACTOR (RPBF), a TF that functions as a positive regulator of grain filling.
- Our study reveals that SERF1 represents a negative regulator of grain filling and seedling establishment by timing the expression of RPBF.
- Loss of SERF1 results in more rapid seedling establishment, while SERF1 overexpression has the opposite effect.
- Loss of SERF1 enhances RPBF expression resulting in larger grains with increased starch content, while SERF1 overexpression represses RPBF resulting in smaller grains.
Functional Keywords
- salt , starch-biosynthesis , salinity , root , salt-tolerance , salt-stress , grain-filling , seedling , grain , transcription-factor , starch
Literature and News
- SALT-RESPONSIVE ERF1 is a negative regulator of grain filling and gibberellin-mediated seedling establishment in rice . DOI: 10.1093/mp/sst131 ; PMID: 24046061
- Salt-responsive ERF1 regulates reactive oxygen species-dependent signaling during the initial response to salt stress in rice . DOI: 10.1105/tpc.113.113068 ; PMID: 23800963
Gene Resources
- UniProt: Q60DV7
- EMBL: AP014961
- AlphaFoldDB: Q60DV7
- EnsemblPlants: Os05t0420300-01
- Gramene: Os05t0420300-01
- KEGG: osa:107277887
- Orthologous matrix: RAHRCRY
- InterPro: IPR001471, IPR016177, IPR036955
- PANTHER: PTHR31985, PTHR31985:SF308
- SUPFAM: SSF54171
- PROSITE: PS51032
- Gene3D: 3.30.730.10
- SWISS-MODEL: Q60DV7
- eggNOG: ENOG502S3U7
Homologs
- Brachypodium distachyon: Bradi2g57201.1.p
- Manihot esculenta: Manes.02G208500.1.p
- Musa acuminata: GSMUA_Achr3P21790_001
- Panicum virgatum: Pavir.7KG333300.1.p, Pavir.9NG275100.1.p
- Ricinus communis: 29938.m000611
- Setaria italica: Seita.5G406200.1.p
- Setaria viridis: Sevir.5G411900.1.p
- Zea mays: GRMZM2G307152_P01, GRMZM2G481668_P01
Sequences
cDNA Sequence
- >LOC_Os05g34730.1
ATGGGCCGGGTGGCGGCGAGCGGCGGCGGCGGCGGCGGAGGGGAGATGATGAGGTACAGGGGCGTGCGGCGGCGGCGGTGGGGGAAGTGGGTGTCGGAGATCCGGGTGCCCGGGACGCGGGAGCGCCTGTGGCTCGGCTCCTACGCCACCGCCGAGGCCGCCGCCGTCGCGCACGACGCCGCCGTCTGCCTCCTCCGGCTCGGCGGCGGCCGCCGCGCCGCCGCAGGCGGAGGCGGCGGGCTCAACTTCCCCGCCCGCGCGCTCGCCGCGGCGGCGGCCGCCTCCTCCTACGGCGGCGCCGGCGGTCTCCTGTCCCCGCGCTCCGTGCAGCGCGTGGCGTCCGACGCCGGCATGGCCGCCGACGCGCAGCTCGTGGACCTGCGCCGCGACCACCCGCCCGCCGCCGCCGCCGCCTCATCCTCCGGCAGCGGCGTGGCGGGAGACGGTGCAAGAAAGCAAGGGACACGTGGCGAGGTTAGCGACACGTATTGGTGTAGGAATGGAGAGGATGGGAGCAGAAGCCGGAGCTCCGGGAGTGAGGAGCTCATTGTTTACGAGGGCTTAAGTGTAGATGACATGGAAATTTTGATGTAA
CDS Sequence
- >LOC_Os05g34730.1
ATGGGCCGGGTGGCGGCGAGCGGCGGCGGCGGCGGCGGAGGGGAGATGATGAGGTACAGGGGCGTGCGGCGGCGGCGGTGGGGGAAGTGGGTGTCGGAGATCCGGGTGCCCGGGACGCGGGAGCGCCTGTGGCTCGGCTCCTACGCCACCGCCGAGGCCGCCGCCGTCGCGCACGACGCCGCCGTCTGCCTCCTCCGGCTCGGCGGCGGCCGCCGCGCCGCCGCAGGCGGAGGCGGCGGGCTCAACTTCCCCGCCCGCGCGCTCGCCGCGGCGGCGGCCGCCTCCTCCTACGGCGGCGCCGGCGGTCTCCTGTCCCCGCGCTCCGTGCAGCGCGTGGCGTCCGACGCCGGCATGGCCGCCGACGCGCAGCTCGTGGACCTGCGCCGCGACCACCCGCCCGCCGCCGCCGCCGCCTCATCCTCCGGCAGCGGCGTGGCGGGAGACGGTGCAAGAAAGCAAGGGACACGTGGCGAGGTTAGCGACACGTATTGGTGTAGGAATGGAGAGGATGGGAGCAGAAGCCGGAGCTCCGGGAGTGAGGAGCTCATTGTTTACGAGGGCTTAAGTGTAGATGACATGGAAATTTTGATGTAA
Protein Sequence
- >LOC_Os05g34730.1
MGRVAASGGGGGGGEMMRYRGVRRRRWGKWVSEIRVPGTRERLWLGSYATAEAAAVAHDAAVCLLRLGGGRRAAAGGGGGLNFPARALAAAAAASSYGGAGGLLSPRSVQRVASDAGMAADAQLVDLRRDHPPAAAAASSSGSGVAGDGARKQGTRGEVSDTYWCRNGEDGSRSRSSGSEELIVYEGLSVDDMEILM*