ArticlePlant signaling & behavior2012
Structure and function of the tentpole in the reproductive process of Ginkgo biloba L.
Article in Plant signaling & behavior, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- Morphological Characteristics, Ultrastructure, and Chemical Constituents of the Endotesta in Ginkgo (Plants (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The tentpole is a unique structure of the female gametophyte in Ginkgo biloba; however, its exact functions in the reproductive process are unclear. In the present study, we used semi-thin sectioning and electron microscopy to study the structure and function of the tentpole during fertilization in G. biloba. The tentpole was always initiated between two or more deeply immersed archegonia. Before fertilization, the tentpole had developed into a column-like structure, protruding toward the archegonial chamber; cells at the periphery of tentpole were loosely ranged, and abundant lipid droplets and starch grains were accumulated in the tentpole cells. After fertilization, the tentpole degenerated, and some membranous debris was overlaid on its surface. In addition, there were significant decreases in the lipids and starch grains. These results suggested that the tentpole led to the degeneration of the megaspore membrane and then supported the pliable apex of the nucellar tissues. Importantly, the tentpole also contributed to supplying nutrition for fertilization and embryo development.
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Registered trials
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