ArticlePlants (Basel, Switzerland)2022
Developmental Differences between Anthers of Diploid and Autotetraploid Rice at Meiosis.
Article in Plants (Basel, Switzerland), 2022. 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, 20 citations in OpenAlex.
- Induction and phenotype analysis of autotetraploids of Morus Mongolica.BMC plant biology · 2026Article
- Exploring the Diversity of Ovule Development in the Novel Rice MutantPlants (Basel, Switzerland) · 2025Article
- Genetic Analysis and Fine Mapping of Spontaneously Mutated Male Sterility Gene in Chinese Cabbage (Plants (Basel, Switzerland) · 2025Article
- Lectin Receptor-Like Protein Kinase OsNRFG6 is Required for Embryo Sac Development and Fertilization in Neo-Tetraploid Rice.Rice (New York, N.Y.) · 2024Article
- Cytological Observation and RNA-Seq Analyses RevealPlants (Basel, Switzerland) · 2024Article
- Metabolomics and transcriptomics analyses provide new insights into the nutritional quality during the endosperm development of different ploidy rice.Frontiers in plant science · 2023Article
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Authors and funding
9 authors at 1 institution in 1 country.
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Abstract
Newly synthetic autotetraploid rice shows lower pollen fertility and seed setting rate relative to diploid rice, which hinders its domestication and breeding. In this study, cytological analysis showed that at meiosis I stage, an unbalanced segregation of homologous chromosomes, occurred as well as an early degeneration of tapetal cells in autotetraploid rice. We identified 941 differentially expressed proteins (DEPs) in anthers (meiosis I), including 489 upregulated and 452 downregulated proteins. The DEPs identified were related to post-translational modifications such as protein ubiquitination. These modifications are related to chromatin remodeling and homologous recombination abnormalities during meiosis. In addition, proteins related to the pentose phosphate pathway (BGIOSGA016558, BGIOSGA022166, and BGIOSGA028743) were downregulated. This may be related to the failure of autotetraploid rice to provide the energy needed for cell development after polyploidization, which then ultimately leads to the early degradation of the tapetum. Moreover, we also found that proteins (BGIOSGA017346 and BGIOSGA027368) related to glutenin degradation were upregulated, indicating that a large loss of glutenin cannot provide nutrition for the development of tapetum, resulting in early degradation of tapetum. Taken together, these evidences may help to understand the differences in anther development between diploid and autotetraploid rice during meiosis.
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