ArticlePlanta2026
Microevolution and stress tolerance of Arabidopsis thaliana from the Chernobyl-affected zone.
Article in Planta, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
13 authors.
Funding
Abstract
MAIN
conclusionArabidopsis thaliana from the Chernobyl Exclusion Zone showed altered stress responses, reduced germination, and genomic signatures of microevolution affecting DNA repair, redox signalling and cell-cycle-related genes. Chronic exposure to ionising radiation (IR) in the Chernobyl Exclusion Zone (CEZ) has created a field experiment for plant evolution. We collected Arabidopsis thaliana seeds from a reference plot (Babchin) and two radioactively contaminated plots (Vygrebnaya Sloboda and Masany), established in vitro seed lines for each plot and studied their physiology and genomes. Seeds were challenged with acute γ-irradiation (150 Gy), heat (50 °C) and oxidative stress (0.01 µM methyl viologen). The radiation legacy manifested as contrasting stress response profiles and suppressed germination in chronically irradiated lines, which was rescued by exogenous ROS. Genome sequencing of plants from the heavily contaminated plot, Masany, revealed decreased nucleotide diversity and signs of a selective sweep, accompanied by increased fixation rates for single-nucleotide polymorphisms (SNPs) in exons. Compared with the non-irradiated reference population, genes that accumulated unique SNPs in Masany were related to DNA repair, cell cycle and mitosis, phragmoplast assembly, response to oxidative stress, Ca
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.