ERF Transcription Factor NaERFIDOG Regulates JA‐Induced Defence and Growth Inhibition in Nicotiana attenuata Upon Alternaria alternata Infection
Luyan Zhao, Na Song, Lei Wang, Jinsong Wu · 2026
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Description
Luyan Zhao, Na Song, Lei Wang, and Jinsong Wu studied how wild tobacco balances defense against growth when a fungus attacks, in a 2026 plant biology paper. The hormone jasmonate switches on defenses in Nicotiana attenuata but also slows growth. The team traced this trade-off to a transcription factor they call NaERFIDOG, which sits under the control of the MYC2 regulators.
Plants with NaERFIDOG silenced or knocked out suffered more damage from the fungus Alternaria alternata yet grew larger, while plants making extra NaERFIDOG resisted the fungus and stayed smaller. The factor switches on genes that produce scopoletin, jasmonate itself, and related compounds, and it turns down production of gibberellin, a growth hormone. Raising scopoletin and lowering gibberellin each contributed to both the stronger defense and the slower growth. The authors map a chain from jasmonate through MYC2 and NaERFIDOG that explains how the plant puts defense first.
Catalog record
| CREATOR | Luyan Zhao, Na Song, Lei Wang, Jinsong Wu |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 66008 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |