Next-generation sequencing (NGS) has fostered the sequencing of many plant genomes. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Ĭompeting interests: The authors have declared that no competing interests exist The authors would also like to extend their sincere appreciation to the Researchers Supporting Project Number (RSP-2019/134), King Saud University, Riyadh, Saudi Arabia. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: All relevant data are within the paper and its Supporting Information files.įunding: The author would like to extend their sincere thanks to the Natural and Medical Sciences Research Center, University of Nizwa to facilitate the study. Received: JanuAccepted: MaPublished: April 10, 2020Ĭopyright: © 2020 Mohanta et al. PLoS ONE 15(4):Įditor: Serena Aceto, University of Naples Federico II, ITALY (2020) Genomics, molecular and evolutionary perspective of NAC transcription factors. The presence of novel chimeric NAC TFs are of particular interest and the presence of chimeric NAC domain with other functional signature motifs in the NAC TF might encode novel functional properties in the plants.Ĭitation: Mohanta TK, Yadav D, Khan A, Hashem A, Tabassum B, Khan AL, et al. The synonymous codon usage is absent in the NAC TFs and it appears that they have evolved from orthologous ancestors and undergone vivid duplications to give rise to paralogous NAC TFs. thaliana revealed root tissue treated with urea and ammonia showed higher level of expression and leaf tissues treated with urea showed lower level of expression. Relative expression analysis of NAC TFs in A. In addition to the presence of NAC domain, several NAC proteins were found to encode other functional signature motifs as well. NAC TFs were also found to encode several novel chimeric proteins and regulate a complex interactome network. Furthermore, our analysis revealed that several NAC TFs are membrane bound and contain monopartite, bipartite, and multipartite nuclear localization signals. On average, the monocot plants encode higher number (141.20) of NAC TFs compared to the eudicots (125.04), gymnosperm (75), and bryophytes (22.66). The study further revealed the presence of NAC TF in the Charophyte algae K. Study revealed, Brassica napus (410) encodes highest number and Klebsormidium flaccidum (3) encodes the lowest number of TFs. Therefore, NAC TFs family proteins from 160 plant species were analyzed in the current study. Despite the availability of comprehensive genomic information from diverse plant species, the basic genomic, biochemical, and evolutionary details of NAC TFs have not been established. NAC (NAM, ATAF1,2, and CUC2) transcription factors are one of the largest transcription factor families found in the plants and are involved in diverse developmental and signalling events.
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