NDLI: Study on the physiological mechanism and transcriptional regulatory network of early fruit development in Gleditsia sinensis Lam. (Fabaceae)

Content Provider	Springer Nature : BioMed Central
Author	Liu, Qiao Zhao, Yang Yang, Ju Xiao, Feng Wang, Xiurong
Abstract	Background Gleditsia sinensis Lam. (Fabaceae) is a medicinal legume characterized by its spines and pods, which are rich in saponins, polysaccharides, and various specialized metabolites with potential medicinal and industrial applications. The low fruit set rate in artificially cultivated economic forests significantly impedes its development and utilization. A comprehensive understanding of the cellular events, physiological and biochemical processes, and molecular regulatory mechanisms underlying fruit initiation and early fruit development is essential for enhancing yield. However, such information for G. sinensis remains largely unexplored. Results In this study, we identified that the early fruit development process in G. sinensis can be categorized into three distinct stages: pollination, the critical period of fertilization, and the initial fruit development followed by subsequent growth. The dynamic changes in non-structural carbohydrates and endogenous plant hormones within the ovary were found to play a significant role during fruit set and the early stages of fruit development. Additionally, the high activity of gibberellin, cytokinin, and sucrose-metabolizing enzymes in the ovary was conducive to early fruit development. Furthermore, we generated high-resolution spatiotemporal gene expression profiles in the ovary from the stage of efflorescence to early fruit development. Comparative transcriptomics and weighted gene co-expression network analysis revealed specific genes and gene modules predominant at distinct developmental stages, thereby highlighting unique genetic programming. Overall, we identified the potential regulatory network governing fruit initiation and subsequent development, as well as the sets of candidate genes involved, based on the aforementioned results. Conclusions The results offer a valuable reference and resource for the application of exogenous substances, such as hormones and sugars, during critical fruit development periods, and for the development of molecular tools aimed at improving yield.
Related Links	https://bmcplantbiol.biomedcentral.com/counter/pdf/10.1186/s12870-024-05895-8.pdf
Ending Page	23
Page Count	23
Starting Page	1
File Format	HTM / HTML
ISSN	14712229
DOI	10.1186/s12870-024-05895-8
Journal	BMC Plant Biology
Issue Number	1
Volume Number	24
Language	English
Publisher	BioMed Central
Publisher Date	2024-12-19
Access Restriction	Open
Subject Keyword	Plant Sciences Agriculture Tree Biology G. Sinensis Transcriptome analysis Plant hormones Eegulatory network
Content Type	Text
Resource Type	Article
Subject	Plant Science
Journal Impact Factor	4.3/2023
5-Year Journal Impact Factor	5.2/2023

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