Identifying stress-related programmed cell death improves research on plant resistance

Agarwood, a non-timber fragrant wood, is derived from wounded Aquilaria trees (Thymelaeaceae) and is widely used in traditional medicine, incense and perfume.Agarwood-like substances and programmed cell death (PCD) can be induced by wounding signals in the suspension cells and aerial roots of Aquilaria sinensis. In this study, the dynamic process of wound-induced agarwood formation in stems of A. sinensis was observed, and the occurrence of PCD was synchronously detected using techniques such as 4 0 ,6-diamidino-2-phenylindole and dUTP nick-end labeling staining. The results showed that the wounding was a induce signal for agarwood resin formation, meanwhile might induce PCD. Interxylary phloem and xylem ray

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Programmed cell death might involve in progress of wounding induced agarwood formation in stems of Aquilaria sinensis

Liu

Zhang

Yang

et al. 2022

Microscopy Res & Technique

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Research progress on the effect of drought on root system of summer maize

Yan

Weng

Jing

2021

IOP Conf. Ser.: Earth Environ. Sci.

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Under the background of global climate change, the occurrence of extreme climate events is becoming more and more frequent. Drought has become one of the most extensive and far-reaching disasters in the world. Drought is an objective natural phenomenon. In the past, researches on drought mainly focused on two aspects: one is the relationship between climate and drought; the other is the impact of drought on crops. The effects of drought on crops are shown in various aspects. In this paper, the effects of drought on summer maize roots and the main techniques and methods of root research were reviewed. In the results, previous studies mainly focused on the growth and development of summer maize, as well as the configuration, physiology and internal anatomical structure of root system, but the explanation of mechanism was relatively less. In addition, the effect of drought on the root system of summer maize was not completely damage, but also had compensation effect under certain water conditions. The future research is also prospected.

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The Relationship between Terminal Bud Death and Programmed Cell Death in Paulownia spp.

Wang

Liu

2018

Pol. J. Environ. Stud.

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To investigate the reasons for terminal bud death, the relationship between terminal bud death and programmed cell death in Paulownia was studied using morphocytology and DNA ladder techniques with one-year-old seedlings of Paulownia spp. The results showed that there were no characteristic morphological changes of the chromatin/chromosomes or nucleus, such as chromatin condensation, nuclear shrinkage, distortion, or degradation after DAPI (4',6-diamidino-2-phenylindo-le) staining, and DNA laddering was not found in cells after agarose gel electrophoresis. Preliminarily results suggest that the terminal bud death of Paulownia spp. is not clearly related to programmed cell death.

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Identifying stress-related programmed cell death improves research on plant resistance

Cited by 3 publications

References 56 publications

Programmed cell death might involve in progress of wounding induced agarwood formation in stems of Aquilaria sinensis

Programmed cell death might involve in progress of wounding induced agarwood formation in stems of Aquilaria sinensis

Research progress on the effect of drought on root system of summer maize

The Relationship between Terminal Bud Death and Programmed Cell Death in Paulownia spp.

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