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자료유형
학술저널
저자정보
백동원 (경상대학교) 전현진 (경상대학교) 윤대진 (건국대학교) 김민철 (경상대학교)
저널정보
한국분자세포생물학회 Molecules and Cells Molecules and Cells 제40권 제10호
발행연도
2017.10
수록면
697 - 705 (9page)
DOI
10.14348/molcells.2017.0192

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The maintenance of inorganic phosphate (Pi) homeostasis is essential for plant growth and yield. Plants have evolved strategies to cope with Pi starvation at the transcriptional, post-transcriptional, and post-translational levels, which maximizes its availability. Many tran-scription factors, miRNAs, and transporters par-ticipate in the Pi starvation signaling pathway where their activities are modulated by sugar and phytohormone signaling. Environmental stresses significantly affect the uptake and utilization of nutrients by plants, but their effects on the Pi starvation response remain unclear. Recently, we reported that Pi starvation signaling is affected by abiotic stresses such as salt, abscisic acid, and drought. In this review, we identified transcription factors, such as MYB, WRKY, and zinc finger transcription factors with functions in Pi starvation and other environmental stress signaling. In silico analysis of the promoter regions of Pi starvation-responsive genes, including phosphate transporters, microRNAs, and phosphate starvation?induced genes, suggest that their ex-pression may be regulated by other environmental stresses, such as hormones, drought, cold, heat, and pathogens as well as by Pi starvation. Thus, we suggest the possibility of cross-talk between Pi starvation signaling and other environmental stress signaling pathways.

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