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. 2000 Sep 12;97(20):10855–10860. doi: 10.1073/pnas.180310197

Figure 1.

Figure 1

Linearized physical maps of Buchnera plasmids carrying the repA1-replicon. (A) Small, cryptic plasmids from Buchnera of members of the family Pemphigidae (P). (B) Leucine plasmids from Buchnera of members of the families Thelaxidae (T), Lachnidae (L), and Aphididae (A). Species abbreviations: Ps, Pemphigus spyrothecae; Tc, Tetraneura caerulescens; Gu, Geoica urticularia; Ts, Thelaxes suberi; Tg, Tuberolachnus salignus; Pp, Pterocomma populeum; Rp, Rhopalosiphum padi; Sg, Schizaphis graminum; Dn, Diuraphis noxia; and Ap, Acyrthosiphon pisum. Leucine plasmids from Buchnera of Sg, Dn, and Ap (17, 58) are highly similar to pleu-BRp. Genes above lines are transcribed in rightward direction and those below lines in leftward direction. Arrowheads indicate the approximate position of the conserved region in the origin of replication (ori) that contains three ATGC-repeats.