Tiburcio Antonio F, Alcázar Rubén
Department of Biology, Healthcare and Environment, Faculty of Pharmacy and Food Sciences, Section of Plant Physiology, University of Barcelona, Avda. Joan XXIII 27-31, 08028, Barcelona, Spain.
Methods Mol Biol. 2018;1694:489-508. doi: 10.1007/978-1-4939-7398-9_40.
The polyamines putrescine, spermidine and spermine have been implicated in a myriad of biological functions in many organisms. Research done during the last decades has accumulated a large body of evidence demonstrating that polyamines are key modulators of plant growth and development. Different experimental approaches have been employed including the measurement of endogenous polyamine levels and the activities of polyamine metabolic enzymes, the study of the effects resulting from exogenous polyamine applications and chemical or genetic manipulation of endogenous polyamine titers. This chapter reviews the role of PAs in seed germination, root development, plant architecture, in vitro plant regeneration, flowering and plant senescence. Evidence presented here indicates that polyamines should be regarded as plant growth regulators with potential applications in agriculture and plant biotechnology.
多胺腐胺、亚精胺和精胺与许多生物体的众多生物学功能有关。过去几十年的研究积累了大量证据，表明多胺是植物生长发育的关键调节因子。人们采用了不同的实验方法，包括测量内源性多胺水平和多胺代谢酶的活性、研究外源多胺应用以及对内源性多胺滴度进行化学或基因操作所产生的影响。本章综述了多胺在种子萌发、根系发育、植株形态、离体植物再生、开花和植物衰老中的作用。此处提供的证据表明，多胺应被视为在农业和植物生物技术中具有潜在应用价值的植物生长调节剂。
