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. 2021 Feb 18;12:1135. doi: 10.1038/s41467-021-21279-0

Fig. 1. Molecular genetics and histochemical studies.

Fig. 1

a Family pedigrees and segregation status of POLRMT patients. Affected individuals are depicted in black, circles represent females, squares represent males; a diagonal line through the symbol represents deceased individuals and double horizontal lines indicate consanguinity. b Diagnostic histochemical analyses (n = 2) of skeletal muscle-derived from P3 showing (i) Haematoxylin & Eosin staining (ii) SDH (iii) COX and (iv) COX-SDH reactivities. The sequential COX-SDH reaction in (iv) revealed a mosaic pattern of COX-deficiency in P3. The scale bar shown is 100 um.