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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.8
- 수록면
- 249 - 264 (16page)
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Phosphate (Pi) is one of the major nutrients for crop growth and yield. Although several studies have revealed a global view of Pi starvation responses in rice, the detailed features were not well-addressed. To identify differentially expressed genes associated with phosphate starvation on a genome scale, we analyzed transcriptome data of roots from 2-week old seedlings that were grown on Pi-sufficient or -deficient media for 7 and 21 days. Using publicly available RNA-sequencing data, we subsequently identified 820 up-regulated genes in roots under Pi starvation. Gene ontology enrichment analysis of these genes indicated that secondary metabolic processes are most significantly enriched under Pi starvation, and Pi transport and defense to biotic stress also play significant roles in response against Pi deficiency. Functional classification analysis using MapMan emphasizes the significance of transcription factors, such as MYB, WRKY, and bHLH, various transporters, and genes in secondary metabolic processes. Use of promoter trap lines or transgenic plants expressing the GUS reporter gene under the control of Pi starvation-inducible gene promoters confirmed the meta-expression patterns of two genes stimulated by Pi starvation, suggesting novel promoters for enhancing Pi use efficiency. In addition to the identification of two novel promoters for Pi starvation response, cis-regulatory elements for the regulation of Pi starvation are suggested. Overall, our study provides a global view of Pi starvation response based on transcriptome data and novel tools for improving PUE and Pi uptake in rice, a model crop plant.
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참고문헌 (73)
참고문헌 신청
Ai P / 2009 / Two rice phosphate transporters, OsPht1;2 and OsPht1;6, have different functions and kinetic properties in uptake and translocation / Plant J 57:798~809
Arite T / 2007 / DWARF10, an RMS1/MAX4/DAD1 ortholog, controls lateral bud outgrowth in rice / Plant J 51:1019~1029
Arite T / 2012 / Strigolactone positively controls crown root elongation in rice / J Plant Growth Regul 31:165
Bailey TL / 2015 / The MEME suite / Nucleic Acids Res 43:e39~e49
Bao Z / 2014 / A rice gene for microbial symbiosis, Oryza sativa CCaMK, reduces CH4 Flux in a paddy field with low nitrogen input / Appl Environ Microbiol 80:995~2003
Arite T / 2007 / DWARF10, an RMS1/MAX4/DAD1 ortholog, controls lateral bud outgrowth in rice / Plant J 51:1019~1029
Arite T / 2012 / Strigolactone positively controls crown root elongation in rice / J Plant Growth Regul 31:165
Bailey TL / 2015 / The MEME suite / Nucleic Acids Res 43:e39~e49
Bao Z / 2014 / A rice gene for microbial symbiosis, Oryza sativa CCaMK, reduces CH4 Flux in a paddy field with low nitrogen input / Appl Environ Microbiol 80:995~2003
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