ArticleBMC plant biology2023
ROS accumulation-induced tapetal PCD timing changes leads to microspore abortion in cotton CMS lines.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 27 citations in OpenAlex.
- Molecular understanding of plant pollination, fertilization, seed development and protoplast regeneration.Science China. Life sciences · 2026Review
- HSP101-encoding NEO-TETRAPLOID RICE FERTILITY GENE 1 regulates tapetum development through interaction with SAPK2 in polyploid rice.Journal of integrative plant biology · 2026Article
- The ATP-Citrate Lyase Subunit ACLA, Coordinates Rice Pollen Development by Coupling Transcriptional Regulation with Metabolic Homeostasis.Rice (New York, N.Y.) · 2026Article
- Genome-wide identification ofFrontiers in plant science · 2026Article
- Comprehensive identification of glutathione peroxidase (GPX) gene family and effect of GhGPX4 on reactive oxygen species metabolism in cotton.Frontiers in plant science · 2026Article
- Genome-wide expression analysis of Festuca sinensis symbiotic with endophyte of reveals key candidate genes in response to nitrogen starvation.BMC plant biology · 2025Article
- Characterization of PAMP-induced peptides and mechanistic insights into SlPIP2-mediated defense in tomato.Plant cell reports · 2025Article
- Differences in homologous and heterologous nucleocytoplasmic interactions of cytoplasmic male sterility lines in Gossypium barbadense.Scientific reports · 2025Article
- Unraveling the role of autophagy and antioxidants in anther and pistil responses to heat stress in rapeseed (Brassica napus L.).Plant cell reports · 2025Article
- Spatiotemporal regulation of anther's tapetum degeneration paved the way for a reversible male sterility system in cotton.Plant biotechnology journal · 2025Article
- In vitro activity of seven antifungal agents against Fusarium oxysporum and expression of related regulatory genes.PloS one · 2025Article
- Effect of Chloroplast ATP Synthase on Reactive Oxygen Species Metabolism in Cotton.International journal of molecular sciences · 2024Article
- Floral Developmental Morphology and Biochemical Characteristics of Male Sterile Mutants ofPlants (Basel, Switzerland) · 2024Article
- Ac-DEVD-CHO (caspase-3/DEVDase inhibitor) suppresses self-incompatibility-induced programmed cell death in the pollen tubes of petunia (Petunia hybrida E. Vilm.).Cell death discovery · 2024Article
- Full-length RNA sequencing and single-nucleus sequencing deciphers programmed cell death and developmental trajectories in laticiferous canals ofFrontiers in plant science · 2024Article
- Transcriptomics and metabolomics analyses reveal pollen abortion mechanism in alfalfa early stage male sterile lines.Frontiers in plant science · 2024Article
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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
backgroundCytoplasmic male sterility (CMS) is the basis of heterosis exploitation. CMS has been used to hybrid production in cotton, but its molecular mechanism remains unclear. CMS is associated with advanced or delayed tapetal programmed cell death (PCD), and reactive oxygen species (ROS) may mediate this process. In this study, we obtained Jin A and Yamian A, two CMS lines with different cytoplasmic sources.
resultsCompared with maintainer Jin B, Jin A anthers showed advanced tapetal PCD with DNA fragmentation, producing excessive ROS which accumulated around the cell membrane, intercellular space and mitochondrial membrane. The activities of peroxidase (POD) and catalase (CAT) enzymes which can scavenge ROS were significantly decreased. However, Yamian A tapetal PCD was delayed with lower ROS content, and the activities of superoxide dismutase (SOD) and POD were higher than its maintainer. These differences in ROS scavenging enzyme activities may be caused by isoenzyme gene expressions. In addition, we found the excess ROS generated in Jin A mitochondria and ROS overflow from complex III might be the source in parallel with the reduction of ATP content.
conclusionROS accumulation or abrogation were mainly caused by the joint action of ROS generation and scavenging enzyme activities transformation, which led to the abnormal progression of tapetal PCD, affected the development of microspores, and eventually contributed to male sterility. In Jin A, tapetal PCD in advance might be caused by mitochondrial ROS overproduction, accompanied by energy deficiency. The above studies will provide new insights into the cotton CMS and guide the follow-up research ideas.
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