Figure 1.
Different H. pluvialiscell types.
(A) Motile cells grown under low light; (B) palmella cells grown under low light; (C) red cells induced from motile cells grown under high light for 24 h; (D) red cells induced from palmella cells grown under high light for 24 h.
Table 1.
Effect of high light intensity on pigment contents in H. pluvialisin different cells types.
Figure 2.
Light intensity response curves in different types of cells.
(A) Photosynthetic electron transport rate in photosystem II [ETR(II)]; (B) quantum yield in photosystem II [Y(II)]; (C) nonphotochemical quenching (NPQ); (D) energy dissipated by a nonregulated mechanism in photosystem II [Y(NO)]. Values represent the mean ± S.D. (n = 3). Motile cells: square; palmella cells: circle; red cells induced from motile cells: triangle; red cells induced from palmella cells: pentacle.
Figure 3.
Analyses of photosystem protein content in different H. pluvialis cells types.
(A) Western blot analyses on protein contents in different cells types; (B) relative protein content in different cells types from these analysis. Values represent the mean ± S.D. (n = 2). MC: motile cells; PC: palmella cells; RC-M: red cells induced from motile cells; RC-P: red cells induced from palmella cells. MC: white rectangle; PC: light grey rectangle; RC-M: grey rectangle; RC-P: black rectangle.
Figure 4.
Analyses of total carbohydrate, protein, and glycerolipids in different H. pluvialis cell types.
Values represent the mean ± S.D. (n = 6). MC: motile cells; PC: palmella cells; RC-M: red cells induced from motile cells; RC-P: red cells induced from palmella cells. Total glycerolipids: white rectangle; total protein: light grey rectangle; total carbohydrate: black rectangle.
Figure 5.
Content of different glycerolipid classes in different H. pluvialis cells types. Values
represent the mean ± S.D. (n = 6). MC: motile cells; PC: palmella cells; RC-M: red cells induced from motile cells; RC-P: red cells induced from palmella cells. MC: white rectangle; PC: light grey rectangle; RC-M: grey rectangle; RC-P: black rectangle.
Figure 6.
Lipid compositions of four major glycerolipids in H. pluvialis chloroplasts in different cells types.
(A) MGDG; (B) DGDG; (C) SQDG; (D) PG. Values represent the mean ± S.D. (n = 6). MC: motile cells; PC: palmella cells; RC-M: red cells induced from motile cells; RC-P: red cells induced from palmella cells. MC: white rectangle; PC: light grey rectangle; RC-M: grey rectangle; RC-P: black rectangle.
Figure 7.
Lipid compositions of the extraplastidic glycerolipids in different H. pluvialis cells types.
(A) PC; (B) PI; (C) PE; (D) DGTS. Values represent the mean ± S.D. (n = 6). MC: motile cells; PC: palmella cells; RC-M: red cells induced from motile cells; RC-P: red cells induced from palmella cells. MC: white rectangle; PC: light grey rectangle; RC-M: grey rectangle; RC-P: black rectangle.
Figure 8.
Triacylglycerol (TAG) composition in different H. pluvialis cells types.
(A) Major species; (B) minor species; (C) trace species. Values represent the mean ± S.D. (n = 6). MC: motile cells; PC: palmella cells; RC-M: red cells induced from motile cells; RC-P: red cells induced from palmella cells. MC: white rectangle; PC: light grey rectangle; RC-M: grey rectangle; RC-P: black rectangle.