ArticlePlant reproduction2014
Comparative cytological and transcriptomic analysis of pollen development in autotetraploid and diploid rice.
Article in Plant reproduction, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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46 citing papers in PubMed, 74 citations in OpenAlex.
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- Comparative Field Evaluation and Transcriptome Analysis Reveals that Chromosome Doubling Enhances Sheath Blight Resistance in Rice.Rice (New York, N.Y.) · 2024Article
- Comparative Cytological and Gene Expression Analysis Reveals That a Common Wild Rice Inbred Line Showed Stronger Drought Tolerance Compared with the Cultivar Rice.International journal of molecular sciences · 2024Article
- Seed development-related genes contribute to high yield heterosis in integrated utilization of elite autotetraploid and neo-tetraploid rice.Frontiers in plant science · 2024Article
- Cytological observation and RNA-seq analysis reveal novel miRNAs high expression associated with the pollen fertility of neo-tetraploid rice.BMC plant biology · 2023Article
- Comparative transcriptome profiling analysis provides insight into the mechanisms for sugar change in Chinese jujube (Ziziphus jujuba Mill.) under rain-proof cultivation.The plant genome · 2023Article
- Comparative cytological and transcriptome analyses ofFrontiers in plant science · 2023Article
- Expression pattern of resynthesized allotetraploid Capsella is determined by hybridization, not whole-genome duplication.The New phytologist · 2023Article
- An uncharacterized protein NY1 targets EAT1 to regulate anther tapetum development in polyploid rice.BMC plant biology · 2022Article
- DNA methylation in transposable elements buffers the connection between three-dimensional chromatin organization and gene transcription upon rice genome duplication.Journal of advanced research · 2022Article
- Physiologic and molecular responses of indica-japonica subspecies tetraploid rice seed germination to ion beams.Scientific reports · 2022Article
- Developmental Differences between Anthers of Diploid and Autotetraploid Rice at Meiosis.Plants (Basel, Switzerland) · 2022Article
- In vitro octaploid induction of Populus hopeiensis with colchicine.BMC plant biology · 2022Article
- Cytological observation and transcriptome analysis reveal dynamic changes ofFrontiers in plant science · 2022Article
- Consequences of whole genome duplication for 2n pollen performance.Plant reproduction · 2021Review
- A Genome Doubling Event Reshapes Rice Morphology and Products by Modulating Chromatin Signatures and Gene Expression Profiling.Rice (New York, N.Y.) · 2021Article
- Cytological and morphology characteristics of natural microsporogenesis withinPhysiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Genomics Analyses Reveal Unique Classification, Population Structure and Novel Allele of Neo-Tetraploid Rice.Rice (New York, N.Y.) · 2021Article
- Cytological Observations and Bulked-Segregant Analysis Coupled Global Genome Sequencing Reveal Two Genes Associated with Pollen Fertility in Tetraploid Rice.International journal of molecular sciences · 2021Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Autotetraploid rice has greater genetic variation and higher vigor than diploid rice, but low pollen fertility is one of the major reasons for low yield of autotetraploid rice. Very little is known about the molecular mechanisms of low pollen fertility of autotetraploid rice. In this study, cytological observations and microarray analysis were used to assess the genetic variation during pollen development in autotetraploid and diploid rice. Many abnormal chromosome behaviors, such as mutivalents, lagged chromosomes, asynchronous cell division, and so on, were found during meiosis in autotetraploid. Microsporogenesis and microgametogenesis in autotetraploid rice was similar to diploid rice, but many different kinds of abnormalities, including microspores degeneration, multi-aperture, and abnormal cell walls, were found in autotetraploid rice. Compared with diploid rice, a total of 1,251 genes were differentially expressed in autotetraploid rice in pollen transcriptome, among them 1,011 and 240 genes were up-regulated and down-regulated, respectively. 124 and 6 genes were co-up-regulated and co-down-regulated during three pollen development stages, respectively. These results suggest that polyploidy induced up-regulation for most of the genes during pollen development. Quantitative RT-PCR was done to validate 12 differentially expressed genes selected from functional categories based on the gene ontology analysis. These stably expressed genes not only related to the pollen development genes, but also involved in cell metabolism, cell physiology, binding, catalytic activity, molecular transducer activity, and transcription regulator activity. The present study suggests that differential expression of some key genes may lead to complex gene regulation and abnormal pollen development in autotetraploid rice.
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