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. 2015 Sep 16;13(9):5847–5881. doi: 10.3390/md13095847

Table 1.

Changes in pigment content (Chl a: chlorophyll a; Chl c: chlorophyll c; β-car: β-carotene; Fx: fucoxanthin; Ddx: diadinoxanthin; Dtx: diatoxanthin; Vx: violaxanthin; Ax: antheraxanthin; Zx: zeaxanthin) in diatoms in response to selected stress conditions. The down arrow represents a decrease of pigment content, the up arrow is the opposite, and const means no changes.

Conditions Species Changes in Pigment Content
Chl a Chl c β-Car Fx Ddx Dtx Vx Ax Zx
HL (140 μmol photons m−2·s−1) in comparison to LL (40 μmol photons m−2·s−1), 16 h light/8 h dark photoperiod [51] Cyclotella meneghiniana N/A const const const ↑ ↑ N/A N/A N/A
Iron-replete medium (12 μM) compared to iron-reduced medium (1 μM) in HL (140 μmol photons m−2·s−1) [52] Cyclotella meneghiniana ↑ N/A N/A N/A ↓ N/A N/A N/A
Iron-replete medium (12 μM) compared to iron-reduced medium (1 μM) in LL (40 μmol photons m−2·s−1) [52] Cyclotella meneghiniana ↑ N/A N/A N/A const N/A N/A N/A
HL (300 μmol photons m−2·s−1) compared to LL (50 μmol photons m−2·s−1), 14 h light/10 h dark photoperiod [53] Phaeodactylum tricornutum N/A ↓ ↑ ↓ ↑ ↑ N/A N/A N/A
B-HL (450 PFD) compared to BR-HL (450 PFD in R:B ratio 0.25) [43] Pseudonitzschia multistriata ↓ ↑ const ↓ ↓ ↓ N/A N/A N/A
B-LL (250 PFD) compared to BR-LL (250 PFD in R:B ratio 0.25) [43] Pseudonitzschia multistriata ↓ ↑ const ↓ ↓ ↓ N/A N/A N/A
B-LL (24 (10 absorbed) μmol photons m−2·s−1) compared to W-LL (40 (10 absorbed) μmol photons m−2·s−1) [54] Phaeodactylum tricornutum ↑ const const const const N/A ↓ N/A N/A
R-LL (41 (10 absorbed) μmol photons m−2·s−1) compared to W-LL (40 (10 absorbed) μmol photons m−2 s−1) [54] Phaeodactylum tricornutum ↑ ↓ ↑ ↓ ↓ N/A ↓ N/A N/A
HL (1250 μmol photons m−2·s−1) in comparison to LL (40 μmol photons m−2·s−1), 12 h light/12 h dark photoperiod [55] Phaeodactylum tricornutum ↓ const const const ↓ ↑ N/A N/A N/A
6 days acclimated to shift from BL (24 (10 absorbed) μmol photons m−2·s−1) to RL (40 (10 absorbed) μmol photons m−2·s−1) [45] Phaeodactylum tricornutum ↑ N/A N/A N/A ↓ N/A N/A N/A N/A
6 days acclimated to shift from RL (40 (10 absorbed) μmol photons m−2·s−1) to BL (24 (10 absorbed) μmol photons m−2·s−1) [45] Phaeodactylum tricornutum const N/A N/A N/A ↑ N/A N/A N/A N/A
14 days dark storage culture [56] Thalassiosira weissflogii ↓ ↓ ↓ ↓ ↓ N/A N/A N/A
HL (700 μmol photons m−2·s−1) in comparison to LL (40 μmol photons m−2·s−1), 16 h light/8 h dark photoperiod [24] Cyclotella meneghiniana N/A N/A N/A N/A ↓ ↑ const ↑ ↑
high nitrogen culture (18 mM) compared to low nitrogen culture (6 mM) in LL (100 μmol photons m−2·s−1) [8] Odontella aurita N/A N/A N/A ↑ N/A N/A N/A N/A N/A

B-HL: high blue light; B-LL: low blue light; BR-HL: high blue/red light; BR-LL: low blue/red light; HL: high light; LL: low light; PFD: photon flux density; R-LL: low red light; W-LL: low white light; N/A: not available.