Programmed cell death: similarities and differences in animals and plants. A flower paradigm

被引：39

作者：

Della Mea, M. ^{[1
]}

Serafini-Fracassini, D. ^{[1
]}

Del Duca, S. ^{[1
]}

机构：

[1] Univ Bologna, Dipartimento Biol, I-40126 Bologna, Italy

来源：

AMINO ACIDS | 2007年 / 33卷 / 02期

关键词：

programmed cell death; polyamines; transglutaminase; flower; cell wall; tobacco;

D O I：

10.1007/s00726-007-0530-3

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

After an overview of the criteria for the definition of cell death in the animal cell and of its different types of death, a comparative analysis of PCD in the plant cell is reported. The cytological characteristics of the plant cell undergoing PCD are described. The role of plant hormones and growth factors in the regulation of this event is discussed with particular emphasis on PCD activation or prevention by polyamine treatment (doses, timing and developmental stage of the organism) in a Developmental cell death plant model: the Nicotiana tabacum (tobacco) flower corolla. Some of the effects of polyamines might be mediated by transglutaminase catalysis. The activity of this enzyme was examined in different parts of the corolla during its life span showing an acropetal trend parallel to the cell death wave. The location of transglutaminase in some sub-cellular compartments suggests that it exerts different functions in the corolla DCD.

引用

页码：395 / 404

页数：10

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