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Table 1 The photosynthetic activity of A. dimorphus under nitrogen deficiency

From: Nitrogen starvation-induced cellular crosstalk of ROS-scavenging antioxidants and phytohormone enhanced the biofuel potential of green microalga Acutodesmus dimorphus

Treatments

Chlorophyll a (mg/g)

Chlorophyll b (mg/g)

Chlorophyll a + b (mg/g)

Carotenoids (mg/g)

F v /F m

Control

16.07 ± 2.33a

7.18 ± 0.82a

23.25 ± 3.14a

4.36 ± 0.83a

0.621 ± 0.027b

1N-

17.21 ± 1.01a

8.03 ± 0.33a

25.23 ± 1.16a

4.57 ± 0.35a

0.674 ± 0.004a

2N-

16.93 ± 0.96a

8.23 ± 0.83a

25.16 ± 1.79a

4.55 ± 0.10a

0.669 ± 0.005a

3N-

14.84 ± 0.53a

8.12 ± 0.16a

22.96 ± 0.60a

3.93 ± 0.19a

0.628 ± 0.003b

  1. 1N-, 2N-, and 3N- represent the cultures with 1, 2, and 3 days of nitrogen starvation, respectively. Values are presented as the mean ± standard deviation (n = 3). Values with the different letters represent a significant difference (P < 0.05) between treatments