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. 2018 Nov 29;9:2893. doi: 10.3389/fmicb.2018.02893

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Copyright © 2018 Zuo, Xue, Zhou, Zhao, Han and Xiang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Analysis of lycopene production of 50crtB and 50BΔ2549. (A) TLC analysis of the carotenoids extracted from 50crtB and 50BΔ2549. Spot 1 contains mainly lycopene, Spot 2–Spot 4 consists of bacterioruberin and its derivates. (B) UV-Vis absorption spectra of the carotenoids extracted from the pigment spot of 50BΔ2549 in TLC plate. The wavelength range is set as 350 ∼ 550 nm. (C) Lycopene titer and production of 50crtB and 50BΔ2549. Strains are cultured for 7 days in 50 mL MG medium at 37°C in shake flasks. ^∗p < 0.05, lycopene production and titer of the group 50BΔ2549 are compared with the 50crtB. Data is expressed as Mean ± SD of triplicate determinations.