## 3 Results
### Comparative Analysis of the Secondary Metabolite Biosynthesis Gene Clusters and Produced VOCs
\begin{table}
\begin{tabular}{c c c c c} \hline \hline \multirow{2}{*}{**Gene Cluster**} & _Bacillus_ sp.** & \multirow{2}{*}{_Bacillus_ sp. E25**} & _B. thuringiensis_ & _Pseudomonas_ \\  & **COPE52** & & **CR71** & _fluorescens_ **UM270** \\ \hline NRPS & + & + & + & + \\ \hline LAP & + & - & + & - \\ \hline RiPP-like & + & + & + & + \\ \hline NRPS-like & - & + & + & - \\ \hline Anabaenopeptin N2857/nostamide A & - & 100\% & 100\% & - \\ \hline Lassopeptide & - & + & + & - \\ \hline transAT-PKS & - & + & + & - \\ \hline S-layer glycan & - & 26\% & 26\% & - \\ \hline Thusin & - & 100\% & 100\% & - \\ \hline Serobactin C/B/A & - & - & - & 15\% \\ \hline Pyoverdin & - & - & - & 3\% \\ \hline Crochelin A & - & - & - & 7\% \\ \hline Lankacidin C & - & - & - & 13\% \\ \hline Fragin & - & - & - & 37\% \\ \hline N-acetyl glutaminylglutamine amide & - & - & - & + \\ \hline Siderophore & - & - & - & + \\ \hline Butylrolactone & - & - & - & + \\ \hline
2,4-diacetylplmoglucinol & - & - & - & 100\% \\ \hline APE Vf & - & - & - & 40\% \\ \hline \hline \end{tabular}
\end{table} 
Table 3: _Cont._ \begin{table}
\begin{tabular}{l c c c c} \hline \hline \multicolumn{1}{c}{**Volatile Compound**} & \multicolumn{1}{c}{**UM270**} & **E25** & **CR71** & **COPE52** \\ \cline{2-5}  & **\%** & **\%** & **\%** & **\%** & **\%** \\ \hline Dimethyl trisulfide & 0.57 & n.d. & n.d. & n.d. \\ \hline S,S-Dimethyl dithiocarbonate & n.d. & n.d. & n.d. & n.d. \\ \hline
2-Nonanone & n.d. & n.d. & n.d. & n.d. \\ \hline Decyl oxirane & n.d. & n.d. & n.d. & n.d. \\ \hline Methyl methylthoomethyl disulfide & n.d. & n.d. & n.d. & n.d. \\ \hline
2-Amino-5-methyl benzoic acid & n.d. & n.d. & n.d. & n.d. \\ \hline Thiazole & 0.41 & n.d. & n.d. & n.d. \\ \hline Butylated hydroxytoluene & 0.49 & n.d. & n.d. & n.d. \\ \hline Dimethylhexadecilamine & 0.64 & n.d. & n.d. & n.d. \\ \hline Acetone & n.d. & 10.71 & n.d. & n.d. \\ \hline Isopropyl alcohol & n.d. & 0.74 & n.d. & n.d. \\ \hline Ethyl propionate & n.d. & 1.14 & 3.17 & n.d. \\ \hline Ethyl isobutyrate & n.d. & 0.82 & 6.14 & 6.78 \\ \hline
3-Methyl-2-pentanone & n.d. & 6.86 & n.d. & n.d. \\ \hline Trichoromethane & n.d. & 38.85 & n.d. & n.d. \\ \hline Ethyl-2-methylbutanoate & n.d. & n.d. & 3.49 & 6.45 \\ \hline Ethyl isovalerate & n.d. & n.d. & 1.95 & 5.19 \\ \hline
3-Methylbutanenitrile & n.d. & 12.93 & n.d. & n.d. \\ \hline S-Methyl thio butyrate & n.d. & n.d. & 5.91 & 3.36 \\ \hline
1-Butanol & n.d. & n.d. & 0.93 & n.d. \\ \hline
1,3-Diazine & n.d. & 11.3 & 3.24 & n.d. \\ \hline Ethyl tiglate & n.d. & 1.92 & 4.94 & 5.16 \\ \hline Methyl pyrazine & n.d. & 1.18 & n.d. & 1.04 \\ \hline Acetoin & n.d. & n.d. & 8.11 & 3.8 \\ \hline Isobutyl isothicarate & n.d. & 10.47 & 25.86 & n.d. \\ \hline Acetic acid & n.d. & n.d. & 5.4 & 6.03 \\ \hline Ethyl-3-hydroxybutanoate & n.d. & 0.48 & 6.24 & n.d. \\ \hline
2-(Methylthio)ethanol & n.d. & 2.1 & 2.74 & 2.75 \\ \hline Propionic acid & n.d. & n.d. & 1.16 & n.d. \\ \hline
2-Methylpropanoic acid & n.d. & n.d. & 3.72 & n.d. \\ \hline Phenyloxirane & n.d. & 2.43 & 2.14 & 1.65 \\ \hline Butanoic acid & n.d. & n.d. & 1.37 & 1.11 \\ \hline
3-Methylbutanoic acid & n.d. & n.d. & 2.32 & 4.28 \\ \hline Methyl salicate & n.d. & n.d. & 0.29 & 0.75 \\ \hline
2-Butenoic acid & n.d. & n.d. & 6.07 & n.d. \\ \hline Acetamide & n.d. & 1.24 & 0.31 & n.d. \\ \hline Benzyl alcohol & n.d. & 0.45 & 1.15 & 1.75 \\ \hline Ethyl propanoate & n.d. & n.d. & n.d. & 1.45 \\ \hline Ethyl butanoate & n.d. & n.d. & n.d. & 6.55 \\ \hline Isobutane & n.d. & n.d. & n.d. & 4.6 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: _Cont._