Abstract
Studies on nuclear scaffolds and scaffold attachment regions (SARs) have recently been extended to different plant species and indicate that SARs are involved in the structural and functional organization of the plant genome, as is the case for other eukaryotes. One type of SAR seems to delimit structural chromatin loops and may also border functional units of gene expression and DNA replication. Another group of SARs map close to regulatory elements and may be directly involved in gene expression. In this overview, we summarize the structural and functional properties of plant SARs in comparison with those of SARs from animals and yeast.
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