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 2

Mitochondrial counts of plants grown in elevated and ambient atmospheric CO₂ partial pressures

Species	Mitochondria per 100 μm⁻² cell area			t test P <
Species	Ambient CO₂	Elevated CO₂	Elevated/ ambient	t test P <
G. max	1.0 ±0.1	1.6 ±0.1	1.6	0.001
A. theophrasti	0.3 ±0.03	0.4 ±0.03	1.3	0.01
P. radiata^*	14.0 ±1.4	30.0 ±1.8	2.1	0.001
P. auritum	0.4 ±0.05	0.9 ±0.08	2.4	0.0001
P. taeda	0.5 ±0.07	0.9 ±0.10	1.9	0.001
A. rubrum	0.3 ±0.03	0.6 ±0.06	1.7	0.001
L. styraciflua (Duke)	0.7 ±0.06	1.5 ±0.22	2.2	0.001
C. canadensis	1.3 ±0.15	2.4 ±0.22	1.8	0.001
L. styraciflua (Oak Ridge)	1.2 ±0.76	2.9 ±1.37	2.4	0.0001

Mitochondrial sizes in low and high CO₂ treatments are statistically equivalent, as reported in the text. Relative counts of mitochondria per unit cell area represent differences in mitochondrial area. Results are means ± 1 SEM.

^*Expressed as mitochondria per 100 μm⁻² of living cytoplasm.