Fig. 3: Schematic diagram illustrating the occurrence of CYP families across plant taxa, based on the known CYP families present in eudicots. | Communications Biology

Fig. 3: Schematic diagram illustrating the occurrence of CYP families across plant taxa, based on the known CYP families present in eudicots.

From: A flavin-dependent monooxygenase catalyzes the initial step in cyanogenic glycoside synthesis in ferns

Fig. 3

The diagram is based on analysis of the OneKP database31, which includes transcriptomes from 74 ferns. The presence of 8930 cytochromes P450 fern sequences were predicted and sorted into families in accordance with nomenclature. The analyzed fern transcriptomes harbor at least 81 different P450 families of which 49 (60%) are novel fern-specific families. Approximately half of the CYP families present in higher plants are also found in ferns. The CYP79 family is present from gymnosperm to eudicots, but based on the >40% sequence identity, the CYP79 is absent in ferns. This also applies to the other known CYP families involved in cyanogenic glucoside biosynthesis in plants: the CYP71, CYP706, and CYP736 families.

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