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Fig. 2 | BMC Plant Biology

Fig. 2

From: Phylogeny and adaptive evolution of subgenus Rhizirideum (Amaryllidaceae, Allium) based on plastid genomes

Fig. 2

Chloroplast map of Allium senescens (the outermost circle and rings p-q) and GView comparison of thireteen A. subg. Rhizirideum plastomes (rings c-o). Genes are shown in different colors based on their functional groups. Genes on the inside of the outermost circle are transcribed clockwise, and those on the outside counter-clockwise. LSC, large single-copy region; SSC, small single-copy region; IR, inverted repeat. Ring a: GC content deviation from the average GC content of A. senescens, waves inside lower than the average, waves outside higher than the average. Ring b: GC skew of A. senescens, GC skew = (G-C)/(G + C), waves inside > 0, waves outside < 0. Ring c: reference of multiple alignments (A. senescens plastome). Rings d-n denote the result of multiple alignments of plastomes outwards in turn: A. polyrhizum, A. bidentatum, A. dentigerum, A. caespitosum, A. mongolicum, A. anisopodium, A. tenuissimum, A. spirale, A. nutans, A. eduardii, A. przewalskianum, A. siphonanthum. Ring p: GC content of A. senescens. Ring q: AT content of A. senescens

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