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. 2021 Feb 9;12:627501. doi: 10.3389/fpls.2021.627501

FIGURE 2.

FIGURE 2

Phylogenetic tree and numbers of pentatricopeptide repeat (PPR) proteins in the entire genomes of recently sequenced plant species. All 33 species were divided into three groups (shown in different background colors), and the numbers of PPR genes were shown on the right. Detailed analysis methods were according to Yan et al. (2020). Genome data were obtained from NCBI, and these species were cited as follows: Lurin et al. (2004); Hellsten et al. (2013), Liu et al. (2014); Kim et al. (2014), Wang et al. (2014); Ming et al. (2015), Bertioli et al. (2016); Cruz et al. (2016), Hoshino et al. (2016); Iorizzo et al. (2016), Martínez-García et al. (2016); Scaglione et al. (2016), Badouin et al. (2017); Cui et al. (2017), Harkess et al. (2017); Jarvis et al. (2017), Qin et al. (2017); Reyes-Chin-Wo et al. (2017), Shirasawa et al. (2017); Sun et al. (2017), Teh et al. (2017); Xia et al. (2017), Xu C. et al. (2017), Xu S. et al. (2017), Guo et al. (2018); Lovell et al. (2018), Raymond et al. (2018); Tran et al. (2018), Girollet et al. (2019); Hovde et al. (2019), Lonardi et al. (2019); Zeng et al. (2019), and Zhang L. et al. (2020).