Table 1.

Quantitative measurements in 3D reconstructed tomograms of plant cells nuclei.

	MO = 25× λ = 532 nm		MO = 20× λ = 632.8 nm				Mean ± std (*)
	Cell 1	Cell 2	Cell 3	Cell 4	Cell 5	Cell 6
Nuclear volume [μm3]	1377.42	1085.82	2664.99	1954.09	3275.01	3102.74	2066.85 ± 844.14
Nuclear equivalent radius [μm]	6.90	6.38	8.6	7.76	9.21	9.05	7.75 ± 1.14
Nuclear 1st principal axis [μm]	19.61	19.22	25.22	20.63	24.73	23.74	21.58 ± 3.87
Nuclear 2nd principal axis [μm]	13.89	14.97	14.35	13.79	16.00	15.50	14.50 ± 1.98
Nuclear 3rd principal axis [μm]	6.98	5.26	10.14	9.51	11.41	11.58	8.84 ± 2.22
Nuclear average RI	1.39	1.39	1.38	1.38	1.38	1.38	1.38 ± 0.01
Nuclear standard deviation RI	0.01	0.01	0.01	0.01	0.01	0.01	0.01 ± 0.00
Nuclear minimum RI	1.35	1.35	1.36	1.35	1.35	1.35	1.35 ± 0.01
Nuclear maximum RI	1.43	1.42	1.42	1.42	1.41	1.40	1.42 ± 0.01
Nuclear dry mass [pg]	370.51	295.25	599.47	482.00	722.34	660.85	498.90 ± 180.80
Nucleolar volume [μm3]	50.25	40.12	82.69	55.63	101.97	106.88	69.62 ± 27.24
Nucleolar equivalent radius [μm]	2.29	2.12	2.70	2.37	2.90	2.94	2.51 ± 0.35
Nucleolar 1st principal axis [μm]	4.95	4.53	5.32	4.93	5.67	6.18	5.20 ± 0.67
Nucleolar 2nd principal axis [μm]	3.96	3.77	5.14	3.99	5.13	4.93	4.40 ± 0.62
Nucleolar 3rd principal axis [μm]	3.56	3.25	4.21	3.90	4.85	4.82	4.01 ± 0.69
Nucleolar average RI	1.41	1.41	1.40	1.39	1.39	1.38	1.40 ± 0.01
Nucleolar standard deviation RI	0.01	0.01	0.01	0.01	0.01	0.01	0.01 ± 0.00
Nucleolar minimum RI	1.37	1.38	1.38	1.37	1.37	1.35	1.37 ± 0.01
Nucleolar maximum RI	1.43	1.42	1.42	1.42	1.41	1.40	1.42 ± 0.01
Nucleolar dry mass [pg]	17.95	14.58	26.77	16.27	31.07	26.03	21.97 ± 8.12
Nucleolar-nuclear volume ratio [%]	3.65	3.70	3.10	2.85	3.11	3.44	3.41 ± 0.31

The values reported in the column marked with (*) are estimated over 44 nuclei.