Chloroplastic pentatricopeptide repeat proteins (PPR) in albino plantlets of Agave angustifolia Haw. reveal unexpected behavior

• DOI: 10.1186/s12870-022-03742-2
• Publication Date: 2022-07-19T02:02:37Z
• Authors: M. Andrade-Marcial; R. Pacheco-Arjona; E. Góngora-Castillo; C. De-la-Peña
• Keywords: Pentatricopeptide repeat

Pentatricopeptide repeat (PPR) proteins play an essential role in the post-transcriptional regulation of genes plastid genomes. Although important advances have been made understanding functions these genes, there is little information available on chloroplastic PPR non-model plants and less without chloroplasts. In present study, a comprehensive multifactorial bioinformatic strategy was applied to search for putative foliar meristematic tissues green albino plantlets plant Agave angustifolia Haw.A total 1581 transcripts were identified, which 282 chloroplastic. Leaf tissue showed highest levels expression PPRs. The hypothetical targets 12 sequences chloroplast A. revealed their action related ribosomes translation, photosystems, ATP synthase, plastid-encoded RNA polymerase RuBisCO.Our results suggest that depends state cell differentiation development. case leaf tissue, lacks functional chloroplasts, it possible anterograde retrograde signaling networks are severely compromised, leading compensatory response characterized by increase genes.