The Roles of Floral Organ Genes in Regulating Rosaceae Fruit Development

The function of floral organ identity genes, , , and , in flower development is highly conserved across angiosperms. Emerging evidence shows that these genes also play important roles in the development of the fruit that originates from floral organs following pollination and fertilization. However,...

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Bibliographic Details
Published in:Frontiers in plant science 2022-01, Vol.12, p.644424-644424
Main Authors: Yao, Jia-Long, Kang, Chunying, Gu, Chao, Gleave, Andrew Peter
Format: Article
Language:English
Subjects:
AP2
apple
fruit development
MADS-box
miR172
peach
Plant Science
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Summary:The function of floral organ identity genes, , , and , in flower development is highly conserved across angiosperms. Emerging evidence shows that these genes also play important roles in the development of the fruit that originates from floral organs following pollination and fertilization. However, their roles in fruit development may vary significantly between species depending on the floral organ types contributing to the fruit tissues. Fruits of the Rosaceae family develop from different floral organ types depending on the species, for example, peach fruit flesh develops from carpellary tissues, whereas apple and strawberry fruit flesh develop from extra-carpellary tissues, the hypanthium and receptacle, respectively. In this review, we summarize recent advances in understanding floral organ gene function in Rosaceae fruit development and analyze the similarities and diversities within this family as well as between Rosaceae and the model plant species Arabidopsis and tomato. We conclude by suggesting future research opportunities using genomics resources to rapidly dissect gene function in this family of perennial plants.
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2021.644424