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. 2016 May 19;7:737. doi: 10.3389/fmicb.2016.00737

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Copyright © 2016 Domik, Thürmer, Weise, Brandt, Daniel and Piechulla.

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) or licensor 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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VOC profiles and growth curves of Serratia plymuthica isolates. The emitted volatiles of the headspaces of (A) S. plymuthica 4Rx13, (B) S. plymuthica HRO-C48, (C) S. plymuthica 3Re-4–18, (D) S. plymuthica V4, and (E) S. plymuthica AS9 were harvested in a VOC collection system when strains grew in a complex medium (NB II). Volatiles were analyzed by GCMS (VOC trapping time interval 24–48 h). Compounds were identified by comparing the mass spectra with those filed in the Nist107 library. (#1) nonyl acetate was internal standard (peak corresponds to 5 ng), (#2) sodorifen, (#3) sodorifen isomers, (#4) dimethyl trisulfide, (#5) pyrazine, (#6) hexadecen-1-ol, (#7) dimethyl disulfide, (#8) 2-nonanone, (#9) diethyl ester, (#10) 2-hexanone, (#11) 2-phenylethanol, (#12) undecanone, (#13) 2-butanone, and (#14) n-heptadecyl ester. (F) The growth curves of all five S. plymuthica isolates were obtained by determining CFU/ml over the time interval 0–72 h. Standard deviations were calculated (n = 3).