NIN-like protein 7 transcription factor is a plant nitrate sensor
Harvard University · Agriculture and Forestry University · +5 more institutions
Abstract
Nitrate is an essential nutrient and signaling molecule for plant growth. Plants sense intracellular nitrate to adjust their metabolic and growth responses. Here we identify the primary nitrate sensor in plants. We found that mutation of all seven Arabidopsis NIN-like protein (NLP) transcription factors abolished plants’ primary nitrate responses and developmental programs. Analyses of NIN-NLP7 chimeras and nitrate binding revealed that NLP7 is derepressed upon nitrate perception via its amino terminus. A genetically encoded fluorescent split biosensor, mCitrine-NLP7, enabled visualization of single-cell nitrate dynamics in planta. The nitrate sensor domain of NLP7 resembles the bacterial nitrate sensor NreA.…
Citation impact
- FWCI
- 50.18
- Percentile
- 100%
- References
- 45
Authors
11- KLKun-Hsiang LiuCorresponding
Harvard University, Agriculture and Forestry University, Massachusetts General Hospital, North West Agriculture and Forestry University, Northwest A&F University
- MLMenghong LiuCorresponding
Agriculture and Forestry University, North West Agriculture and Forestry University
- ZLZiwei LinCorresponding
Agriculture and Forestry University, North West Agriculture and Forestry University
- ZWZifu WangCorresponding
Harvard University, Boston VA Research Institute
- BCBinqing ChenCorresponding
Agriculture and Forestry University, North West Agriculture and Forestry University
Topics & keywords
- Nitrate
- Arabidopsis
- Transcription factor
- Transcription (linguistics)
- Biochemistry
- Intracellular
- Biology
- Chemistry