ArticleFrontiers in plant science2021
The Rapid Cytological Process of Grain Determines Early Maturity in Weedy Rice.
Article in Frontiers in plant science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 4 citations in OpenAlex.
- Multi-omics Analysis Reveals the Hormonal Basis of Differential Response to Nighttime Heat Temperature Between Superior and Inferior Rice Grains.Rice (New York, N.Y.) · 2026Article
- Advances in Research on the Biological Characteristics of Weedy Rice.Plants (Basel, Switzerland) · 2025Review
- Gene flow from weedy rice to T1c-19 transgenic rice stacked with cry1C*/bar genes and fitness of FFrontiers in plant science · 2025Article
- Comparison of leaf anatomical structure and photosynthetic characteristics between weedy rice and cultivated rice at the seedling stage.Scientific reports · 2024Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Shorter grain-filling period and rapid endosperm development endow weedy rice (WR) with early maturity compared to cultivated rice (CR). However, the role of the cytological features and antioxidative enzyme system during grain development are largely unexplored. We selected four biotypes of WR and their associated cultivated rice (ACR) types from different latitudes to conduct a common garden experiment. The difference in the cytological features of endosperm between WR and ACR was compared by chemical staining, and the cell viability and nuclear morphometry of endosperm cells were observed by optical microscopy. Furthermore, antioxidative enzyme activity was measured during grain filling. Anatomic observation of endosperm shows that the development process of endosperm cell in WR was more rapid and earlier than that in ACR. The percentage of degraded nuclei of WR was 2-83% more than that of ACR. Endosperm cells in WR lost viability 2-6 days earlier than those in ACR. The antioxidant enzyme activity of WR was lower than that of ACR during grain filling. The ability of WR to scavenge reactive oxygen species (ROS) was weaker than that of ACR, which may contribute to the rapid cytological process in the endosperm cells of WR. The rapid cytological process and weaker ability to scavenge ROS in endosperm cells may contribute to early maturity in WR.
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