Maize Genomics and Genetics 2024, Vol.15, No.4, 191-203 http://cropscipublisher.com/index.php/mgg 195 loss pattern is comparable to the observed variations in Zea plastomes and highlights the evolutionary pressures that shape plastid genome content. Figure 1 RNA editing sites within the rpoB gene (Adopted from Tripathi et al., 2022) Image caption: Maize ptDNA sequences from four tissues were aligned against the rpoB gene of the B73 plastid reference genome (NCBI # KF241981.1) using the Integrative genome browser (IGV). Comparison of sequences around four RNA editing sites are shown and located at nts (A) 21924, (B) 22002, (C) 22017, and (D) 22074, respectively. The conserved RNA editing sites are shown in red boxes (Adopted from Tripathi et al., 2022) The plastid genomes of Zea species exhibit dynamic changes in size, content, gene arrangement, repeat sequences, and gene loss/acquisition. These microstructural changes provide valuable insights into the evolutionary processes
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