Plant growth in elevated CO2 alters mitochondrial
 number and chloroplast fine structure

doi:10.1073/pnas.041620898

From:

Proc Natl Acad Sci U S A. 2001 February 27; 98(5): 2473–2478.

doi: 10.1073/pnas.041620898

Copyright/LicenseRequest permission to reuse: Copyright © 2001, The National Academy of Sciences

Table 1

Chloroplast fine structure of plants grown in elevated and ambient atmospheric CO₂ partial pressures

Species	Stroma/Grana thylakoids		Stroma thylakoids/Total area		Grana thylakoids/Total area
Species	Elevated CO₂	Ambient CO₂	Elevated CO₂	Ambient CO₂	Elevated CO₂	Ambient CO₂
A. rubrum	0.87 ±0.09	0.49 ±0.05	0.31 ±0.02	0.19 ±0.01	0.37 ±0.02	0.39 ±0.02
	(1.8, t = 3.8, P < 0.01)		(1.6, t = 5.1, P < 0.01)		(0.9, t = −0.5, ns)
C. canadensis	0.82 ±0.04	0.52 ±0.02	0.30 ±0.02	0.20 ±0.01	0.37 ±0.02	0.38 ±0.02
	(1.6, t = 6.6, P < 0.01)		(1.6, t = 5.0, P < 0.01)		(0.9, t = −0.2, ns)
L. styraciflua	1.30 ±0.18	0.43 ±0.04	0.30 ±0.03	0.20 ±0.02	0.25 ±0.02	0.48 ±0.03
	(3.0, t = 4.7, P < 0.01)		(1.6, t = 3.5, P < 0.01)		(0.5, t = −5.9, P < 0.01)
P. auritum	1.19 ±0.13	0.67 ±0.06	0.31 ±0.03	0.17 ±0.02	0.27 ±0.04	0.26 ±0.02
	(1.8, t = 3.6, P < 0.01)		(1.8, t = 3.5, P < 0.01)		(1.0, t = 0.3, ns)
E. pinnatum	0.89 ±0.09	0.71 ±0.03	0.29 ±0.02	0.32 ±0.01	0.34 ±0.02	0.45 ±0.01
	(1.3, t = 1.7, P < 0.05)		(0.9, t = −1.1, ns)		(0.8, t = −4.3, P < 0.01)

Results are means ± 1 SEM ratios of proportions (column headings). Entries in parentheses are elevated to ambient CO₂ ratios and statistical significance level.