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\title{SUPPLEMENTARY DATA\\\bigskip\bigskip\bigskip\bigskip\bigskip ppGpp and cytotoxicity diversity in Shiga toxin-producing \textit{Escherichia coli} (STEC)  isolates}

\author[$^1,^3$]{Ariel Eurides Stella}
\author[$^2$]{Daniela Luz}
\author[$^2$]{Roxane Piazza}
\author[$^3*$]{Beny Spira}
\affil[$^1$]{Universidade Federal de Goiás, Regional Jataí, Goiás, Brazil}
\affil[$^2$]{Instituto Butantan, Laboratório de Bacteriologia, Av. Vital Brasil, 1500, Butantã, São Paulo, São Paulo, Brazil}
\affil[$^3$]{Departamento de Microbiologia, Instituto de Ciências Biomédicas Universidade de São Paulo, São Paulo-SP, Brazil}
\affil [$ ^* $]{\small Corresponding author\\ email: benys@usp.br, phone: 5511 30918346}
\date{}

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\begin{figure}[H]
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\includegraphics[height=8cm]{ms_figures_and_table/tlc}
\caption{Thin-layer chromatogram of labeled nucleotides isolated from strains  AS1, AS2  and AS3. Bacteria were grown in minimal medium supplemented with 0.2 mM \textsuperscript{32}P-\ce{KH2PO4}. Nucleotides were extracted during the exponential phase, b (basal level); and after bacteria entered the Pi-starvation phase, i (induced level).}
%\label{fig:ppk-ppx kinetics}       % Give a unique label
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