Table 1.

Strains of P. blakesleeanus used in this work with the nucleotide changes in their carRA gene and the predicted amino acid changes

Strain	Mutation	Main carotene	Nucleotide change		Amino acid change
NRRL1555	none	β-carotene	None		None
C9	carR21	Abundant lycopene	908	C → T	215	P → S
C11	carR23	Abundant lycopene	229	G → A	77	E → K
C6	carRA12	Traces of lycopene	400	G → A	See text
S92	carRA91	Traces of lycopene	177	G → A	59	W → stop
C2	carA5	Scarce β-carotene	1710	C → T	481	P → L
S119	carA113	β-carotene	1659	T → C	465	I → T

See ref. 21 for additional details.