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. 2021 Jan 30;70(5):1015–1032. doi: 10.1093/sysbio/syab004

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© The Author(s) 2021. Published by Oxford University Press, on behalf of the Society of Systematic Biologists.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercialre-use, please contact journals.permissions@oup.com

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Figure 3. — Schematic of an A-PBJ proposal. The two SPR-type moves defined by the stable path (Fig. 4) and unstable paths and (Fig. 5) are applied on the example tree , resulting in tree . After having defined a stable path and two unstable paths (step 1), the two SPR-type moves identified by their respective unstable paths consist of pruning the clade including the stable path (step 2) and then regrafting it at the opposite extremity of their respective unstable paths (step 3). The probability of an A-PBJ move is the joint probability of building the stable path and the two unstable paths as defined in Equations (11) and (12).

Inline graphic — Schematic of an A-PBJ proposal. The two SPR-type moves defined by the stable path (Fig. 4) and unstable paths and (Fig. 5) are applied on the example tree , resulting in tree . After having defined a stable path and two unstable paths (step 1), the two SPR-type moves identified by their respective unstable paths consist of pruning the clade including the stable path (step 2) and then regrafting it at the opposite extremity of their respective unstable paths (step 3). The probability of an A-PBJ move is the joint probability of building the stable path and the two unstable paths as defined in Equations (11) and (12).