ArticleThe Biochemical journal2007
Role of the C-terminal domains of rice (Oryza sativa L.) bZIP proteins RF2a and RF2b in regulating transcription.
Article in The Biochemical journal, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 11 citations in OpenAlex.
- OsRF2b interacting with OsbZIP61 modulates nitrogen use efficiency and grain yield via heterodimers in rice.Plant biotechnology journal · 2025Article
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- BROTHER OF LUX ARRHYTHMO is a component of the Arabidopsis circadian clock.The Plant cell · 2011Article
- Characterization of OsbZIP23 as a key player of the basic leucine zipper transcription factor family for conferring abscisic acid sensitivity and salinity and drought tolerance in rice.Plant physiology · 2008Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Rice (Oryza sativa L.) transcription factors RF2a and RF2b are bZIP (basic leucine zipper) proteins that interact with, and activate transcription from the RTBV (rice tungro bacilliform virus) promoter. Here we characterize the C-terminal domains of RF2a and RF2b: these domains are rich in glutamine and proline/glutamine, respectively. Affinity pull-down assays demonstrated that the C-terminal domains of RF2a and RF2b can associate to form either homodimers or heterodimers; however, they do not interact with other domains of RF2a or RF2b. Results of in vitro transcription assays using a rice whole-cell extract demonstrate that the C-terminal domains of both RF2a and RF2b activate transcription from the RTBV promoter. In addition, dimerization of the RF2a C-terminal domain is involved in regulating the transcription activation function of RF2a. The predicted helical region within the RF2a C-terminal glutamine-rich domain was determined to be involved in inter-molecular dimerization, and contributed to the regulatory functions of RF2a in these assays.
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Registered trials
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