Table 1. Summary of genes surveyed in the review showing their associated developmental disorder, inheritance and variant types.

Gene	Associated neurodevelopmental disorder (OMIM number)	Inheritance	Variant types	Ref
DCPS	Intellectual disability, Al-Raqad type (616459)	AR	splice and missense	[25,27]
EDC3	Intellectual disability, non-syndromic (616460)	AR	missense	[25]
DDX6	Intellectual disability, syndromic (618653)	AD	missense	[61]
DDX3X	Intellectual disability, syndromic (300958)	XL-D	missense or truncating	[83]
DHX30	Intellectual disability, syndromic (617804)	AD	missense	[91]
DDX59	Intellectual disability, Orofaciodigital syndrome Type V (174300)	AR	missense	[93]
DHX16	Intellectual disability, syndromic (618733)	AD	missense	[94]
DHX34	Intellectual disability, syndromic (not assigned)	AR and AD	missense or truncating	[94]
DHX37	Intellectual disability, syndromic (618731)	AR and AD	missense	[94]
DDX54	Intellectual disability, syndromic (not assigned)	AR	missense	[94]
CNOT1	Holoprosencephaly (618500)	AD	one recurrent missense	[95,96]
	Intellectual disability (not assigned)	AD	missense or truncating	[98]
CNOT2	Intellectual disability, syndromic (618608)	AD	intragenic deletions or truncating	[97]
CNOT3	Intellectual disability, syndromic (618672)	AD	missense or truncating	[99]