Table I.

Pigment content, Chl a/b ratio, de-epoxidation state, and photosystem stoichiometry in D. salina wild type and zea1 mutant

Parameter	WT	zea1
mol Chl cell−1 × 10−15	2.56 ± 0.2	2.82 ± 0.12
Chl a/b	4.2 ± 0.1	4.1 ± 0.2
mol carotenoid (Car)/cell × 10−15	1.5 ± 0.21	1.49 ± 0.1
mol Z cell−1 × 10−16	0.3 ± 0.1	6.9 ± 0.1
Z/(V + A + Z)	0.18 ± 0.01	1 ± 0.0
mmol QA mol Chl−1	2.6 ± 0.07	2.8 ± 0.15
mmol P700 mol Chl−1	2.1 ± 0.04	2.07 ± 0.15
PSII/PSI (QA/P700)	1.23	1.35

Cells were grown under 100 μmol photons m⁻² s⁻¹ (LL).