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Fig. 1 | BMC Plant Biology

Fig. 1

From: Cellular messengers involved in the inhibition of the Arabidopsis primary root growth by bacterial quorum-sensing signal N-decanoyl-L-homoserine lactone

Fig. 1

 N-decanoyl-homoserine lactone (C10-HSL) influences root system architecture in Arabidopsis. (a) Root architecture of wild-type (Col-0) Arabidopsis treated with different C10-HSL concentrations (0–75 µM), bar = 1 cm. (b) The effects of different C10-HSL concentration on primary root length, n = 40. (c) The effects of different C10-HSL concentration (0–75 µM) on lateral root density, n = 40. (d) The effects of different C10-HSL concentration (0–75 µM) on lateral root primordia density, n = 40. For the picture a-d, 3-d-old Arabidopsis thaliana seedlings were transferred to half-strength MS medium supplemented with the indicated concentrations of C10-HSL and grown for 5 d. (e) Representative photographs of root hairs formed at the primary root tip region of 3-day-old Arabidopsis seedlings grown in the presence of the indicated concentration of C10-HSL for 5 d, bar = 1 mm. All the error bars represent +/- SD. (Different letters indicate significantly different values, P < 0.05 by Tukey’s test)

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