期刊
FRONTIERS IN PLANT SCIENCE
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2022.861556
关键词
somatic embryo; regeneration; MADS-box; transcription factor; chromatin immunoprecipitation; transcriptome; Arabidopsis thaliana
资金
- National Science Foundation [IOS-1656380]
- National Institute of Food and Agriculture, U.S. Department of Agriculture, Hatch project (SP) [1013409]
Plants have remarkable regenerative properties through somatic embryogenesis, which can lead to fully developed plants. Investigating the mechanisms of somatic embryo induction and development is crucial for seed development models and engineered crops.
Plants have amazing regenerative properties with single somatic cells, or groups of cells able to give rise to fully formed plants. One means of regeneration is somatic embryogenesis, by which an embryonic structure is formed that converts into a plantlet. Somatic embryogenesis has been used as a model for zygotic processes that are buried within layers of maternal tissues. Understanding mechanisms of somatic embryo induction and development are important as a more accessible model for seed development. We rely on seed development not only for most of our caloric intake, but also as a delivery system for engineered crops to meet agricultural challenges. Regeneration of transformed cells is needed for this applied work as well as basic research to understand gene function. Here we focus on a MADS-domain transcription factor, AGAMOUS-Like15 (AGL15) that shows a positive correlation between accumulation levels and capacity for somatic embryogenesis. We relate AGL15 function to other transcription factors, hormones, and epigenetic modifiers involved in somatic embryo development.
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