소개글
[식물생리학] Stem cell homeostasis in SAM에 대한 자료입니다.
목차
1.Introduction
2.Body : 1-1 WUS/CLV Mechanism
1-2 CLV1/CLV3
1-3 STM
2-1 CZ expansion
2-2 PZ re-specification
3.Conclusion & Prospect
본문내용
Wus - Maintain SC undifferented
CLV3 – Repress WUS
Ⅰ.
Number of SC
CLV3
CLV3 repress WUS
Ⅱ.
Number of SC
CLV3
WUS
The CLV1 gene encodes a Leu-rich repeat receptor Ser/Thr kinase a member of a large class of proteins found in both plants and animals, many of which are involved in cell signaling.
D. CLV3::GUS 를 이용, CLV3 발현 곳을 알 수 있다.
E. Germination 후 10일 뒤 wild-type의 GUS-stained 모습.
F. Wild-type의 10일 후 모습.
G. WUS돌연변이가 삽입된 CLV3::GUS/wus-1 배에서는 CLV3가 발현되지 않았다.
H. CLV3::GUS/wus-1 seedling 10일 후 GUS-stained 모습.
I. wus-1 seedling 10일후.
J. STM의 돌연변이가 삽입된CLV3::GUS/stm-11 배에서는 CLV3가 약간 발현되는 것을 볼 수 있다.
K. CLV3::GUS/stm-11 seedling 10일 후 GUS-stained 모습.
L. stm-11 seedling 10일 후cotyledons는 형성되었지만 SAM은 형성되지 않았다.
참고문헌
CLV3 Is Localized to the Extracellular Space, Where It Activates the Arabidopsis CLAVATA Stem Cell Signaling Pathway . The Plant Cell, 2002 .
Regulation of CLV3 Expression by Two Homeobox Genes in Arabidopsis1. Plant Physiology, June 2002 .
Wuschel mediates stem cell homeostasis by regulating stem cell number and patterns of cell division and differentiation of stem cell progenitors. Development , 2010 .
Shoot apical meristem maintenance : the art of a dynamic balance. Current of biology, 2003 .