期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 17, 页码 -出版社
MDPI
DOI: 10.3390/ijms22179252
关键词
plants; dicots; seed; development; timing; embryogenesis; heterochrony
资金
- Ministry of Science and Higher Education of the Russian Federation [075-15-2020-920]
- World-class Scientific Center Agrotechnologies for the Future
This study summarized existing data on seed development alterations in dicot plants, including genetic mutations and phenotypic differences caused by environmental influences. Several trends of timing alterations and potential ecological plasticity were identified based on the data provided.
In flowering plants, seeds serve as organs of both propagation and dispersal. The developing seed passes through several consecutive stages, following a conserved general outline. The overall time needed for a seed to develop, however, may vary both within and between plant species, and these temporal developmental properties remain poorly understood. In the present paper, we summarize the existing data for seed development alterations in dicot plants. For genetic mutations, the reported cases were grouped in respect of the key processes distorted in the mutant specimens. Similar phenotypes arising from the environmental influence, either biotic or abiotic, were also considered. Based on these data, we suggest several general trends of timing alterations and how respective mechanisms might add to the ecological plasticity of the families considered. We also propose that the developmental timing alterations may be perceived as an evolutionary substrate for heterochronic events. Given the current lack of plausible models describing timing control in plant seeds, the presented suggestions might provide certain insights for future studies in this field.
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