Fig. 3From: Overlapping toxic effect of long term thallium exposure on white mustard (Sinapis alba L.) photosynthetic activityChanges of mesophyll chloroplast structure of S. alba plants grown in the presence of thallium. TEM images of chloroplasts from control (a) and Tl-treated plants (b-g): 100 μg L−1 (H100) (B); 500 μg L−1 healthy green leaves, (H500) (c), green (G500) (d) and yellow (Y500) (e) parts of the affected leaves; 1,000 μg L−1 green (G1000) (f) and yellow (Y1000) (g) parts of the affected leaves. Bar = 1 μmBack to article page