Detection of Embryonic Suspensor Cell Death by Whole-Mount TUNEL Assay in Tobacco.

Detection of Embryonic Suspensor Cell Death by Whole-Mount TUNEL Assay in Tobacco.
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通过整体 TUNEL 测定检测烟草中的胚柄细胞死亡

DOI:
10.3390/plants9091196
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发表时间:
2020-09-12
期刊:
Plants (Basel, Switzerland)
影响因子:
--
通讯作者:
Sun MX
Sun MX
中科院分区:
其他
文献类型:
--
作者:
Shi C;Luo P;Zhao P;Sun MX

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胚柄是被子植物胚胎发育过程中必需的一种短命结构,它将胚与周围的母体组织连接起来。胚柄在胚胎发生过程中最显著的特征是通过程序性细胞死亡而适时退化。因此,胚柄细胞死亡的分子调控机制值得深入研究。然而,这一过程很难使用常规方法检测到,因为早期胚胎深深嵌入种皮中,无法通过传统的组织切片进行检测。因此,有必要开发一个可靠的协议,末端脱氧核苷酸转移酶(TdT)dUTP缺口末端标记(TUNEL)分析使用有限的活早期胚胎。在这里,我们提供了一个详细的协议,使用TUNEL系统在烟草胚柄细胞死亡的整体安装检测。这种方法是特别有用的直接和快速检测的时空特征的程序性细胞死亡在胚胎发生过程中,以及减少的文物材料处理过程中的传统方法。
Embryonic suspensor in angiosperms is a short-lived structure that connects the embryo to surrounding maternal tissues, which is necessary for early embryogenesis. Timely degeneration via programed cell death is the most distinct feature of the suspensor during embryogenesis. Therefore, the molecular mechanism regulating suspensor cell death is worth in-depth study for embryonic development. However, this process can hardly be detected using conventional methods since early embryos are deeply embedded in the seed coats and inaccessible through traditional tissue section. Hence, it is necessary to develop a reliable protocol for terminal deoxynucleotidyl transferase (TdT) dUTP Nick-End Labeling (TUNEL) analysis using limited living early embryos. Here, we provide a detailed protocol for the whole-mount detection of suspensor cell death using a TUNEL system in tobacco. This method is especially useful for the direct and rapid detection of the spatial-temporal characters of programed cell death during embryogenesis, as well as for the diminishment of the artifacts during material treatment by traditional methods.
DOI: 10.1083/jcb.119.3.493
发表时间: 1992-11
期刊: The Journal of cell biology
影响因子: --
作者:
Gavrieli Y;Sherman Y;Ben-Sasson SA
通讯作者: Ben-Sasson SA
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发表时间: 2016-08-01
期刊: PLANT PHYSIOLOGY
影响因子: 7.4
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