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Transcriptomic data from the integrative transcriptomic and WGCNA-based analysis of combined stress mechanisms of polypropylene micro/nanoplastics on tobacco photosynthesis and antioxidant systems
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Scientists studied how tiny plastic particles (from a common plastic called polypropylene) affect tobacco plants, looking at which genes turn on or off when the plants are exposed to this pollution. They found the plastic particles disrupt genes involved in photosynthesis and the plant's natural defense system against cell damage, meaning these plastics can stress plants at a genetic level, not just physically. Since these plants are part of the food chain, this research matters because it helps us understand how widespread microplastic pollution might affect crops and, eventually, food quality and safety.
The ID of differentially expressed genes, their expression levels in each treatment group, as well as the corresponding GO annotations and KEGG pathways.
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Transcriptomic data from the integrative transcriptomic and WGCNA-based analysis of combined stress mechanisms of polypropylene micro/nanoplastics on tobacco photosynthesis and antioxidant systems
AI summary Read the abstract
Scientists studied how tiny plastic particles (from a common plastic called polypropylene) affect tobacco plants, looking specifically at how these particles mess with the plants' ability to photosynthesize and defend themselves from stress at the genetic level. While this research was done in plants rather than humans, it adds to growing evidence that micro/nanoplastics can disrupt basic biological processes—which matters because these same tiny plastic particles are increasingly found in our food, water, and even our bodies.
The phytotoxicity of microplastics to the photosynthetic performance and transcriptome profiling of Nicotiana tabacum seedlings
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Researchers grew tobacco seedlings in soil contaminated with polyethylene microplastics and found significant damage to their photosynthetic systems, including reduced chlorophyll content and impaired light-use efficiency. Gene analysis revealed that thousands of genes were affected, with 79 key genes related to photosynthesis being suppressed. The study provides new molecular-level evidence that soil microplastic pollution can directly harm how plants convert sunlight into energy.
Integrated physiological, transcriptomic, and metabolic analysis reveals the effects of nanoplastics exposure on tea plants
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Researchers used physiological, transcriptomic, and metabolic analysis to assess the effects of nano/microplastics on tea plants, finding impaired photosynthesis, oxidative stress, and disrupted metabolic pathways at environmentally relevant concentrations. The study highlights risks to tea crop safety and quality from plastic pollution in agricultural soils.
Unraveling the impact of nano-microscale polyethylene and polypropylene plastics on Nicotiana tabacum: Physiological responses and molecular mechanisms
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Researchers exposed tobacco plants to polyethylene and polypropylene microplastics of different sizes and found that both types suppressed plant growth in a dose-dependent manner, with polypropylene being more toxic. The microplastics disrupted photosynthesis, triggered oxidative stress, and altered hormone signaling and defense pathways in the plants. These findings demonstrate that microplastic contamination in soil can impair crop growth at the molecular level, potentially affecting agricultural productivity.
Unveiling the impact of microplastics and nanoplastics on vascular plants: A cellular metabolomic and transcriptomic review
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This review summarizes how microplastics and nanoplastics affect plant health at the cellular and genetic level, disrupting metabolism, nutrient uptake, and growth in vascular plants. Since contaminated crops are a pathway for microplastics to enter the human diet, understanding how plants absorb and respond to these particles is important for food safety.
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