| Summary: | The adaptive potential and biochemical properties of the <i>Amaranthaceae</i> species make them promising for introduction into agriculture and markets, particularly in arid conditions. Molecular genetic polymorphism analysis is the most powerful tool for studying plant resources; therefore, the current study aimed to investigate the polymorphisms of allelic variations in the <i>ARF</i> and <i>SOD</i> gene families, as well as the genetic diversity of six <i>Amaranthaceae</i> species, using retrotransposon-based fingerprinting with the multi-locus EPIC-PCR profiling approach. Additionally, the iPBS PCR amplification was employed for genome profiling, revealing variations in genetic diversity among the studied <i>Amaranthaceae</i> samples. The observed genetic diversity in <i>Amaranthaceae</i> species contributes to their enhanced tolerance to adverse environmental conditions. The knowledge about the genetic diversity of genes crucial in plant development and stress resistance can be useful for the genetic improvement of cultivated <i>Amaranthaceae</i> species.
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