Moving through the Stressed Genome: Emerging Regulatory Roles for Transposons in Plant Stress Response

摘要: The recognition of a positive correlation between organism genome size with its transposable element (TE) content, represents key discovery the field biology. Considerable evidence accumulated since then suggests involvement TEs in structure, evolution and function. global reorganization brought about by transposon activity might play an adaptive/regulatory role host response to environmental challenges, reminiscent McClintock’s original ’Controlling Element’ hypothesis. This regulatory aspect is also garnering support light recent evidences which project as “distributed genomic control modules”. According this view, are capable actively reprogramming genes circuits ultimately fine-tuning specific stimuli. Moreover, stress-induced changes epigenetic status TE may allow propagate their stress responsive elements genes; resulting fluidity can permit phenotypic plasticity adaptation stress. Given predominating presence plant genomes, nested organization genic regions potential response, hold unexplored for crop improvement programs. review intends present current information roles played organization, function, highlight mechanisms responses. We will briefly discuss connection activity, critical link traversing translational bridge from purely basic study TEs, applied improvement.