ArticleBMC plant biology2020
Brassinosteroid signaling may regulate the germination of axillary buds in ratoon rice.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 17 citations in OpenAlex.
- Synergistic Effect of Brassinosteroid and Jasmine Extract on Promoting Rice Ratooning Ability.Plants (Basel, Switzerland) · 2026Article
- Exploring silique number in Brassica napus L.: Genetic and molecular advances for improving yield.Plant biotechnology journal · 2024Review
- Comparative Transcriptome Analysis Reveals Inhibitory Roles of Strigolactone in Axillary Bud Outgrowth in Ratoon Rice.Plants (Basel, Switzerland) · 2024Article
- Effects of source-sink regulation and nodal position of the main crop on the sprouting of regenerated buds and grain yield of ratoon rice.Frontiers in plant science · 2023Article
- The Perspective of Arbuscular Mycorrhizal Symbiosis in Rice Domestication and Breeding.International journal of molecular sciences · 2022Review
- Regeneration pattern and genome-wide transcription profile of rhizome axillary buds after perennial rice harvest.Frontiers in plant science · 2022Article
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundRice ratooning has traditionally been an important component of the rice cropping system in China. However, compared with the rice of the first harvest, few studies on factors effecting ratoon rice yield have been conducted. Because ratoon rice is a one-season rice cultivated using axillary buds that germinate on rice stakes and generate panicles after the first crop's harvest, its production is mainly affected by the growth of axillary buds. The objectives of this study were to evaluate the sprouting mechanism of axillary buds to improve the ratoon rice yield.
resultsFirst, we observed the differentiation and growth dynamics of axillary buds at different nodes of Shanyou 63, and found that they differentiated from bottom to top before the heading of the mother stem, and that they developed very slowly. After heading they differentiated from top to bottom, and the ones on the top, especially the top 2nd node, developed much faster than those at the other nodes. The average length and dry weight of the axillary buds were significantly greater than those at other nodes by the yellow ripe stage, and they differentiated into pistils and stamens by 6 d after the yellow ripe stage. The morphology of vegetative organs from regenerated tillers of Shanyou 63 also suggested the superior growth of the upper buds, which was regulated by hormones, in ratoon rice. Furthermore, a comprehensive proteome map of the rice axillary buds at the top 2nd node before and after the yellow ripe stage was established, and some proteins involved in steroid biosynthesis were significantly increased. Of these, four took part in brassinosteroid (BR) biosynthesis. Thus, BR signaling may play a role in the germination of axillary buds of ratoon rice.
conclusionsThe data provide insights into the molecular mechanisms underlying BR signaling, and may allow researchers to explore further the biological functions of endogenous BRs in the germination of axillary buds of ratoon rice.
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