Draft:JUB1
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Submission declined on 9 September 2026 by WeirdNAnnoyed (talk). The topic is probably notable, but the article is malformatted. Please use proper inline citations (not bare DOI's); please see WP:CITEHOW and the "cite journal" template. Also, please do not list the entire sequence of the protein in the article. This is not usual practice, is unhelpful, and disrupts formatting.
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This draft has been resubmitted and is currently awaiting re-review. |  |
| JUNGBRUNNEN1 | |
|---|---|
| Identifiers | |
| Organism | |
| Symbol | JUB1 |
| Alt. symbols | ATNAC042, NAC042 |
| Entrez | 818902 |
| Orthologs | NCBI: entry |
| RefSeq (Prot) | AEC10196.1 |
| Other data | |
| Chromosome | 2: 17.88 - 17.88 Mb |
JUNGBRUNNEN1 (JUB1 / ATNAC042) is a transcription factor in the plant Arabidopsis thaliana. It is involved in senescence and stress responses including drought tolerance and thermotolerance.[1]
Genomic location
JUB1 is encoded on chromosome 2 from 17880457 to 17882636 on the reversed DNA strand.[2] The JUB1 gene has two known transcripts, encoding the JUB1 protein of 275 amino acids and an alternative spliced variant that misses the first 78 amino acids of JUB1.[3]
Protein architecture
The JUB1 protein contains a conserved No Apical Meristem (NAM) domain, that is predicted to include a dimerisation region, DNA binding region and two Nuclear Localisation Signal (NLS) regions.
Function
JUB1 is one of the main regulators of stress response in Arabidopsis thaliana and JUB1 homologs display similar functions in other plants. JUB1 expression is elevated under drought, heat, cold, high salt concentration and other stresses.[4]
Besides, JUB1 is a repressor of aging, hence the name JUNGBRUNNEN (Fountain of youth in German). Furthermore, JUB1 is involved in immune responses to plant pathogens.[5]
References
[edit]- ↑ Samantaray, Devidutta; Nair, Akshay U.; Balazadeh, Salma; Allu, Annapurna Devi (7 May 2025). "JUNGBRUNNEN1, a Central Regulator of Plant Growth and Stress Response". Plant, Cell & Environment pce.15585. doi:10.1111/pce.15585. PMID 40331460.
- ↑ https://www.ncbi.nlm.nih.gov/protein/AEC10196.1
- ↑ Samantaray, Devidutta; Nair, Akshay U.; Balazadeh, Salma; Allu, Annapurna Devi (7 May 2025). "JUNGBRUNNEN1, a Central Regulator of Plant Growth and Stress Response". Plant, Cell & Environment pce.15585. doi:10.1111/pce.15585. PMID 40331460.
- ↑ Thirumalaikumar, Venkatesh P.; Devkar, Vikas; Mehterov, Nikolay; Ali, Shawkat; Ozgur, Rengin; Turkan, Ismail; Mueller-Roeber, Bernd; Balazadeh, Salma (2018). "NAC transcription factor JUNGBRUNNEN1 enhances drought tolerance in tomato". Plant Biotechnology Journal. 16 (2): 354–366. Bibcode:2018PBioJ..16..354T. doi:10.1111/pbi.12776. ISSN 1467-7652. PMC 5787828. PMID 28640975.
- ↑ Shahnejat-Bushehri, Sara; Nobmann, Barbara; Devi Allu, Annapurna; Balazadeh, Salma (2 June 2016). "JUB1 suppresses Pseudomonas syringae-induced defense responses through accumulation of DELLA proteins". Plant Signaling & Behavior. 11 (6) e1181245. Taylor & Francis. Bibcode:2016PlSiB..11E1245S. doi:10.1080/15592324.2016.1181245. PMC 4973753. PMID 27159137.