Journal
TRENDS IN PLANT SCIENCE
Volume 24, Issue 5, Pages 455-467Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2019.02.003
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Funding
- Australian Research Council [FT140100780, DP180104092]
- University of Adelaide
- Fundacao para a Ciencia e Tecnologia [SFRH/BD/137304/2018]
- EU Horizon 2020 Research and Innovation Programme under Marie Sklodowska-Curie grant [690946]
- Marie Curie Actions (MSCA) [690946] Funding Source: Marie Curie Actions (MSCA)
- Fundação para a Ciência e a Tecnologia [SFRH/BD/137304/2018] Funding Source: FCT
- Australian Research Council [FT140100780] Funding Source: Australian Research Council
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The Arabidopsis thaliana ovule arises as a female reproductive organ composed solely of somatic diploid cells. Among them, one cell will acquire a unique identity and initiate female germline development. In this review we explore the complex network that facilitates differentiation of this single cell, and consider how it becomes committed to a distinct developmental program. We highlight recent progress towards understanding the role of intercellular communication, cell competency, and cell-cycle regulation in the ovule primordium, and we discuss the possibility that distinct pathways restrict germline development at different stages. Importantly, these recent findings suggest a renaissance in plant ovule research, restoring the female germline as an attractive model to study cell communication and cell fate establishment in multicellular organs.
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