Table 2.

RNA purification from tomato and Arabidopsis leaves, petunia flowers and Botrytis cinerea mycelium by LogSpin protocol and by commercial kits

			RNA yield1	Absorbance
	Organism	Protocol	μg/100 mg	260/280	260/230
1	Tomato	TRI2	31.3 ± 6.2	2.07 ± 0.01	2.27 ± 0.01
3	Tomato	RNeasy3	26.7 ± 13.3	2.11 ± 0.00	2.33 ± 0.04
2	Tomato	LogSpin	25.1 ± 1.8	2.14 ± 0.01	2.30 ± 0.01
4	Arabidopsis	TRI1	21.1 ± 5.9	2.13 ± 0.00	2.05 ± 0.12
5	Arabidopsis	RNeasy3	16.3 ± 3.8	2.10 ± 0.01	2.28 ± 0.01
6	Arabidopsis	LogSpin	15.5 ± 3.6	2.15 ± 0.01	2.29 ± 0.01
7	Petunia	TRI2	37.8 ± 5.5	1.90 ± 0.06	1.30 ± 0.25
8	Petunia	RNeasy3	14.7 ± 1.0	2.07 ± 0.02	2.02 ± 0.14
9	Petunia	LogSpin	13.6 ± 0.5	2.06 ± 0.02	2.21 ± 0.01
10	B. cinerea	KIT4	31.0 ± 3.4	2.12 ± 0.00	2.14 ± 0.00
11	B. cinerea	LogSpin	83.3 ± 18.9	1.87 ± 0.07	2.05 ± 0.08

¹RNA yield ± SE (n = 3-10).

²Tri-reagent, Sigma-Aldrich.

³RNeasy, Qiagen.

⁴Norgen.