논문 (학술지)
Varying Auxin Levels Induce Distinct Pluripotent States in Callus Cells
| 등록번호 | RPMS-2019-0190735837 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
SCI |
|---|---|---|---|
| 저자명 (주·공동저자) | Shin Jinwoo; Seo Pil Joon | ||
| 논문구분 | 국외전문학술지 | 학술지명 | FRONTIERS IN PLANT SCIENCE |
| ISSN | 1664-462X | 학술지 출판일자 | 2018-11-13 |
| 학술지 볼륨번호 | 9 | 논문페이지 | 0 ~ 4 |
| 학술지 임팩트팩터 | 4.291 | 기여율 | 40 % |
| DOI | 10.3389/fpls.2018.01653 | ||
| 초록 | Plants have evolved a remarkable ability for reprogramming cell identity to facilitate tissue repair and developmental plasticity. During cell fate transition, an unorganized pluripotent cell mass is formed. Two major types of calli are observed depending on the inductive external stimuli: mechanical wounding alone or wounding followed by incubation on high auxin-containing callus-inducing medium (CIM). Notably, the identity of pluripotency in wound-induced calli and CIM-induced calli is not analogous. Mechanical wounding alone induces WIND1-type B ARR module-dependent cytokinin signaling as well as leaf-derived auxin accumulation. Moderate activation of both cytokinin and auxin signaling facilitates the formation of intermediate pluripotent cells in calli, which ensure rapid tissue repairs depending on the neighboring cell environment. The application of high auxin, in addition to wounding, induces another type of pluripotency in the callus, which resembles root primordium. The root stem cell niche that emerges in the callus possesses a genuine pluripotency that allows planned de novo organogenesis with efficient cell division activity. These results provide an insight into plant regeneration and biotechnological applications. | ||
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