ArticleScientific reports2017
High temperature-induced production of unreduced pollen and its cytological effects in Populus.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed.
- Growth under pressure: The pros and cons of polyploidy induced by stress.Proceedings of the National Academy of Sciences of the United States of America · 2026Review
- Anther and pollen thermotolerance: molecular mechanisms and implications for plant reproduction under heat stress.Planta · 2026Review
- How environment and genetic architecture of unreduced gametes shape the establishment of autopolyploids.Heredity · 2026Article
- Precise identification of intersectional hybrids inForestry research · 2026Article
- Imaging Pollen and Pollen Tubes by Scanning and Transmission Electron Microscopy.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Heat stress-induced sterility in oilseed crops: a focus on Brassica napus.Molecular biology reports · 2025Review
- Analysis of Meiotic Behavior and 2n Pollen Formation Frequency in Triploid Hybrids of Chinese Jujube.Plants (Basel, Switzerland) · 2025Article
- Bridging micro and macroevolution: insights from chromosomal dynamics in plants.Frontiers in plant science · 2025Review
- Meiosis in bulbous flower speciesFrontiers in plant science · 2025Article
- Transcriptome Analysis Revealed the Paternal Importance to Vegetative Growth Heterosis inPlants (Basel, Switzerland) · 2024Article
- Heat stress at the bicellular stage inhibits sperm cell development and transport into pollen tubes.Plant physiology · 2024Article
- Climate-forced Hg-remobilization associated with fern mutagenesis in the aftermath of the end-Triassic extinction.Nature communications · 2024Article
- Article
- Transition from sexuality to androgenesis through a meiotic modification during spermatogenesis in freshwater Corbicula clams.PloS one · 2024Article
- Asynapsis and meiotic restitution in tomato male meiosis induced by heat stress.Frontiers in plant science · 2023Article
- Heat shock protein 101 contributes to the thermotolerance of male meiosis in maize.The Plant cell · 2022Article
- Knock-down of gene expression throughout meiosis and pollen formation by virus-induced gene silencing in Arabidopsis thaliana.The Plant journal : for cell and molecular biology · 2022Article
- Interfered chromosome pairing at high temperature promotes meiotic instability in autotetraploid Arabidopsis.Plant physiology · 2022Article
- Heat stress reveals a specialized variant of the pachytene checkpoint in meiosis of Arabidopsis thaliana.The Plant cell · 2022Article
- Exploiting Unreduced Gametes for Improving Ornamental Plants.Frontiers in plant science · 2022Review
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Temperature change is of potential to trigger the formation of unreduced gametes. In this study, we showed that short periods of high temperature treatment can induce the production of 2n pollen in Populus pseudo-simonii Kitag. The meiotic stage, duration of treatment, and temperature have significant effects on the induction of 2n pollen. Heat stress resulted in meiotic abnormalities, including failure of chromosome separation, chromosome stickiness, laggards and micronuclei. Spindle disorientations in the second meiotic division, such as parallel, fused, and tripolar spindles, either increased in frequency or were induced de novo by high temperature treatment. We found that the high temperature treatment induced depolymerisation of meiotic microtubular cytoskeleton, resulting in the failure of chromosome segregation. New microtubular cytoskeletons were able to repolymerise in some heat-treated cells after transferring them to normal conditions. However, aberrant cytokinesis occurred owing to defects of new radial microtubule systems, leading to production of monads, dyads, triads, and polyads. This suggested that depolymerisation and incomplete restoration of microtubules may be important for high temperature-induction of unreduced gametes. These findings might help us understand how polyploidisation is induced by temperature-related stress and support the potential effects of global climate change on reproductive development of plants.
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