1. Department of Microbiology and Cell Science; University of Florida; Gainesville FL 32611 USA
2. Genetics and Genomics Graduate Program; University of Florida; Gainesville FL 32610 USA
3. University of Florida Genetics Institute; University of Florida; Gainesville FL 32610 USA
4. Institut de Génétique et Microbiologie; Université of Paris-Sud; Orsay France
5. Department of Biology; Massachusetts Institute of Technology; Cambridge MA 02139 USA
6. Department of Chemistry; Portland State University; Portland OR 97297 USA
7. CEA; DSV, IBiTec-S, SPI, Li2D; Laboratory ‘Innovative technologies for Detection and Diagnostics’; Bagnols-sur-Cèze F-30200 France
8. RIKEN SPring-8 Center; 1-1-1 Kouto Sayo Hyogo 679-5148 Japan
9. Institute of Physics; Academia Sinica; 128 Sec. 2, Academia Rd., Nankang Taipei 11529 Taiwan
10. Rieveschl Laboratories for Mass Spectrometry; Department of Chemistry; University of Cincinnati; Cincinnati Ohio 45221 USA