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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Shedding light: a phylotranscriptomic perspective illuminates the origin of photosymbiosis in marine bivalves

Fig. 2

Gene occupancy diagram showing the 25 matrices analyzed in this study. Top: Main matrices of two minimum taxon occupancy thresholds. Orthogoups in Matrix 1 and 2 are shared by at least 50 and 75% of all taxa. Bottom: Matrix 1 was divided into 22 sub matrices based on gene evolution rates from slow (A) to fast (V). Each matrix containing 52 orthogroups, except for the last matrix V, which contains 16 orthogroups

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