Abstract
A series of novel water-soluble short peptide-bioconjugates containing a ferrocenoyl (Fc) or ruthenocenoyl (Rc) unit was synthesized and characterized to combine the unique activity of ferrocene and the isoelectronic ruthenocene with precisely designed peptide structures. We aim at evaluating these bioconjugates as a new class of OrganoMetallic Short AntiMicrobial Peptides (OM-SAMPs). The series of OM-SAMPs was designed with a set of linear and “head-to-tail” cyclic metallocene-based hexapeptides derived from the homo-sequence H-KKKKKK-NH2 by substitution of lysine (K) by tryptophan (W) and by orthogonal derivatization of the ε-N-amine group of lysine by a metallocene moiety. Peptide conjugates were characterized by RP-HPLC, mass spectrometry (ESI and MALDI-TOF) and circular dichroism (CD) spectroscopy. Gram-positive and Gram-negative antibacterial activity testings were carried out to explore the role of insertion of the metallocene fragment into the peptide, and the effect of the modification of the cationic charge and aromatic residues on the physiochemical properties of these OM-SAMPs. These results show that the insertion of two tryptophan residues and ferrocenoyl/ruthenocenoyl moieties into a linear homo-sequence peptides increase significantly their antibacterial activity with minimum inhibitory concentration values as low as 5 μM for the most active compounds. However, “head-to-tail” cyclic metallocene-based hexapeptides were not active against Gram-negative bacteria up to concentrations of 50 μM. These studies provide a better understanding of the role of structural modifications to enhance antibacterial peptide activity, which is promising for their therapeutic application.
Graphic abstract
Similar content being viewed by others
References
Learning M, Cookbook R (2017) Prioritization of pathogens to guide discovery, research and development of new antibiotics for drug-resistant bacterial infections, including tuberculosis, WHO. https://www.who.int/medicines/areas/rational_use/PPLreport_2017_09_19.pdf?ua=1. Accessed 10 Dec 2020
2019 Antibacterial agents in clinical development (2019) WHO, Technical Report. https://www.who.int/publications/i/item/9789240000193. Accessed 19 Apr 2021
Magana M, Pushpanathan M, Santos AL, Leanse L, Fernandez M, Ioannidis A, Giulianotti MA, Apidianakis Y, Bradfute S, Ferguson AL, Cherkasov A, Seleem MN, Pinilla C, De la Fuente-Nunez C, Lazaridis T, Dai T, Houghten RA, Hancock REW, Tegos GP (2020) The value of antimicrobial peptides in the age of resistance. Lancet Infect Dis 20:e216–e230. https://doi.org/10.1016/S1473-3099(20)30327-3
Reinhardt A, Neundorf I (2016) Design and application of antimicrobial peptide conjugates. Int J Mol Sci. https://doi.org/10.3390/ijms17050701
Ramesh S, Govender T, Kruger HG, Kruger HG, De la Torre BG, Albericio F (2016) Short AntiMicrobial Peptides (SAMPs) as a class of extraordinary promising therapeutic agents. J Pept Sci. https://doi.org/10.1002/psc.2894
Lau QY, Choo XY, Lim ZX, Kong XN, Ng FM, Ang MJY, Hill J, Chia CSB (2015) A head-to-head comparison of the antimicrobial activities of 30 ultra-short antimicrobial peptides against Staphylococcus aureus, Pseudomonas aeruginosa and Candida albicans. Int J Pept Res Ther 21:21–28. https://doi.org/10.1007/s10989-014-9440-x
Wenzel M, Chiriac AI, Otto A, Zweytick D, May C, Schumacher C, Gust R, Albada HB, Penkova M, Krämer U, Erdmann R, Metzler-Nolte N, Straus SK, Bremer E, Becher D, Brötz-Oesterhelt H, Sahl H-G, Bandow JE (2014) Small cationic antimicrobial peptides delocalize peripheral membrane proteins. Proc Natl Acad Sci USA 111:E1409–E1418. https://doi.org/10.1073/pnas.1319900111
Guzmán F, Marshall S, Ojeda C, Albericio F, Carvajal-Rondanelli P (2013) Inhibitory effect of short cationic homopeptides against Gram-positive bacteria. J Pept Sci 19:792–800. https://doi.org/10.1002/psc.2578
Gopal R, Seo CH, Song PI, Park Y (2013) Effect of repetitive lysine-tryptophan motifs on the bactericidal activity of antimicrobial peptides. Amino Acids 44:645–660. https://doi.org/10.1007/s00726-012-1388-6
Carvajal-Rondanelli P, Aróstica M, Álvarez CA, Ojeda C, Albericio F, Aguilar LF, Marshall SH, Guzmán F (2018) Understanding the antimicrobial properties/activity of an 11-residue Lys homopeptide by alanine and proline scan. Amino Acids 50:557–568. https://doi.org/10.1007/s00726-018-2542-6
André S, Washington SK, Darby E, Vega MM, Filip AD, Ash NS, Muzikar KA, Christophe Piesse C, Foulon T, O’Leary DJ, Ladram A (2015) Structure–activity relationship-based optimization of small temporin-SHf analogs with potent antibacterial activity. ACS Chem Biol 10:2257–2266. https://doi.org/10.1021/acschembio.5b00495
Liu Z, Brady A, Young A, Rasimick B, Chen K, Zhou C, Kallenbach NR (2007) Length effects in antimicrobial peptides of the (RW)n series. Antimicrob Agents Chemother 51:597–603. https://doi.org/10.1128/AAC.00828-06
Albada HB, Prochnow P, Bobersky S, Bandow JE, Metzler-Nolte N (2014) Highly active antibacterial ferrocenoylated or ruthenocenoylated Arg-Trp peptides can be discovered by an L-to-D substitution scan. Chem Sci 5:4453–4459. https://doi.org/10.1039/c4sc01822b
Mojsoska B, Jenssen H (2015) Peptides and peptidomimetics for antimicrobial drug design. Pharmaceuticals 8:366–415
Strøm MB, Haug BE, Skar ML, Stensen W, Stiberg T, Svendsen JS (2003) The pharmacophore of short cationic antibacterial peptides. J Med Chem 46:1567–1570. https://doi.org/10.1021/jm0340039
Das P, Sercu T, Wadhawan K, Padhi I, Gehrmann S, Cipcigan F, Chenthamarakshan V, Strobelt H, Dos Santos C, Chen PY, Yang YY, Tan JPK, Hedrick J, Crain J, Mojsilovic A (2021) Accelerated antimicrobial discovery via deep generative models and molecular dynamics simulations. Nat Biomed Eng. https://doi.org/10.1038/s41551-021-00689-x
Reddy KVR, Yedery RD, Aranha C (2004) Antimicrobial peptides: premises and promises. Int J Antimicrob Agents 24:536–547
Liskamp RMJ, Rijkers DTS, Kruijtzer JAW, Kemmink J (2011) Peptides and proteins as a continuing exciting source of inspiration for peptidomimetics. ChemBioChem 12:1626–1653. https://doi.org/10.1002/cbic.201000717
Chantson JT, Falzacappa MVV, Crovella S, Metzler-Nolte N (2006) Solid-phase synthesis, characterization, and antibacterial activities of metallocene-peptide bioconjugates. ChemMedChem 1:1268–1274. https://doi.org/10.1002/cmdc.200600117
Chantson JT, Falzacappa MVV, Crovella S, Metzler-Nolte N (2005) Antibacterial activities of ferrocenoyl- and cobaltocenium-peptide bioconjugates. J Organomet Chem 690:4564–4572. https://doi.org/10.1016/j.jorganchem.2005.07.007
Chow HY, Zhang Y, Matheson E, Li X (2019) Ligation technologies for the synthesis of cyclic peptides. Chem Rev 119:9971–10001
Mandal D, Nasrolahi Shirazi A, Parang K (2011) Cell-penetrating homochiral cyclic peptides as nuclear-targeting molecular transporters. Angew Chem Int Ed 50:9633–9637. https://doi.org/10.1002/anie.201102572
Albada B, Metzler-Nolte N (2016) Organometallic-peptide bioconjugates: synthetic strategies and medicinal applications. Chem Rev 116:11797–11839. https://doi.org/10.1021/acs.chemrev.6b00166
Gómez J, Klahn AH, Fuentealba M, Sierra D, Olea-Azar C, Maya JD, Medina ME (2017) Ferrocenyl and cyrhetrenyl azines containing a 5-nitroheterocyclic moiety: synthesis, structural characterization, electrochemistry and evaluation as anti-Trypanosoma cruzi agents. J Organomet Chem 839:108–115. https://doi.org/10.1016/j.jorganchem.2017.03.014
Salmain M, Metzler-Nolte N (2008) The bioorganometallic chemistry of ferrocene. In: Štěpnička P (ed) Ferrocenes: ligands, materials and biomolecules. Wiley, Chichester, pp 499–639. https://doi.org/10.1002/9780470985663
Patra M, Gasser G (2017) The medicinal chemistry of ferrocene and its derivatives. Nat Rev Chem 0066:1–12
Wang R, Chen H, Yan W, Zheng M, Zhang T, Zhang Y (2020) Ferrocene-containing hybrids as potential anticancer agents: current developments, mechanisms of action and structure–activity relationships. Eur J Med Chem 190:112109. https://doi.org/10.1016/j.ejmech.2020.112109
Kondratskyi A, Kondratska K, Vanden Abeele F, Gordienko D, Dubois C, Toillon RA, Slomianny C, Lemière S, Delcourt P, Dewailly E, Skryma R, Biot C, Prevarskaya N (2017) Ferroquine, the next generation antimalarial drug, has antitumor activity. Sci Rep 7:1–15. https://doi.org/10.1038/s41598-017-16154-2
van Staveren DR, Metzler-Nolte N (2004) Bioorganometallic chemistry of ferrocene. Chem Rev 104:5931–5985. https://doi.org/10.1021/cr0101510
Philip AT, Chacko S, Ramapanicker R (2015) Synthesis of stable C-linked ferrocenyl amino acids and their use in solution-phase peptide synthesis. J Pept Sci 21:887–892. https://doi.org/10.1002/psc.2831
Gross A, Metzler-Nolte N (2009) Synthesis and characterisation of a ruthenocenoyl bioconjugate with the cyclic octapeptide octreotate. J Organomet Chem 694:1185–1188. https://doi.org/10.1016/j.jorganchem.2008.09.071
Gross A, Neukamm M, Metzler-Nolte N (2011) Synthesis and cytotoxicity of a bimetallic ruthenocene dicobalt-hexacarbonyl alkyne peptide bioconjugate. Dalt Trans 40:1382–1386. https://doi.org/10.1039/c0dt01113d
Slootweg JC, Prochnow P, Bobersky S, Bobersky S, Bandow JE, Metzler-Nolte N (2017) Exploring structure-activity relationships in synthetic antimicrobial peptides (synAMPs) by a ferrocene scan. Eur J Inorg Chem 2017:360–367. https://doi.org/10.1002/ejic.201600799
Bauke Albada H, Chiriac AI, Wenzel M, Penkova M, Bandow JE, Sahl H-G, Metzler-Nolte N (2012) Modulating the activity of short arginine-tryptophan containing antibacterial peptides with N-terminal metallocenoyl groups. Beilstein J Org Chem 8:1753–1764. https://doi.org/10.3762/bjoc.8.200
Southam HM, Butler JA, Chapman JA, Poole RK (2017) The microbiology of ruthenium complexes, 1st edn. Elsevier Ltd., Amsterdam
Li F, Collins JG, Keene FR (2015) Ruthenium complexes as antimicrobial agents. Chem Soc Rev 44:2529–2542. https://doi.org/10.1039/c4cs00343h
Kenny RG, Marmion CJ (2019) Toward multi-targeted platinum and ruthenium drugs—a new paradigm in cancer drug treatment regimens? Chem Rev 119:1058–1137. https://doi.org/10.1021/acs.chemrev.8b00271
Gómez J, Sierra D, Cárdenas C, Guzmán F (2020) Bio-organometallic peptide conjugates: recent advances in their synthesis and prospects for biomedical application. Curr Org Chem 24:2508–2523. https://doi.org/10.2174/1385272824666200309093938
Albada B, Metzler-Nolte N (2017) Highly potent antibacterial organometallic peptide conjugates. Acc Chem Res 50:2510–2518. https://doi.org/10.1021/acs.accounts.7b00282
Costa NCS, Piccoli JP, Santos-Filho NA, Clementino LC, Fusco-Almeida AM, De Annunzio SR, Fontana CR, Verga JBM, Eto SF, Pizauro-Junior JM, Graminha MAS, Cilli EM (2020) Antimicrobial activity of RP-1 peptide conjugate with ferrocene group. PLoS One 15:1–22. https://doi.org/10.1371/journal.pone.0228740
Hoffknecht BC, Prochnow P, Bandow JE, Metzler-Nolte N (2016) Influence of metallocene substitution on the antibacterial activity of multivalent peptide conjugates. J Inorg Biochem 160:246–249. https://doi.org/10.1016/j.jinorgbio.2016.02.036
Oelmann J, Miller RG, Baabe D, Metzler-Nolte N, Bröring M, (2020) Biometal corrole active esters and their amino acid and peptide conjugates. Eur J Inorg Chem 2020:3059–3069. https://doi.org/10.1002/ejic.202000472
Soldevila-Barreda JJ, Metzler-Nolte N (2019) Intracellular catalysis with selected metal complexes and metallic nanoparticles: advances toward the development of catalytic metallodrugs. Chem Rev 119:829–869. https://doi.org/10.1021/acs.chemrev.8b00493
Slootweg JC, Albada HB, Siegmund D, Metzler-Nolte N (2016) Efficient reagent-saving method for the N-terminal labeling of bioactive peptides with organometallic carboxylic acids by solid-phase synthesis. Organometallics 35:3192–3196. https://doi.org/10.1021/acs.organomet.6b00544
Perrin DD, Armarego WLF (1996) Purification of laboratory chemicals, 8th edn. Oxford, pp 7–29
Kay C, Lorthioir OE, Parr NJ, Congreve M, McKeown SC, Scicinski JJ, Ley SV (2000) Solid-phase reaction monitoring—chemical derivatization and off-bead analysis. Biotechnol Bioeng 71:110–118. https://doi.org/10.1002/1097-0290(2000)71:2%3c110::AID-BIT1002%3e3.0.CO;2-2
Pires DAT, Bemquerer MP, Do Nascimento CJ (2014) Some mechanistic aspects on Fmoc solid phase peptide synthesis. Int J Pept Res Ther 20:53–69. https://doi.org/10.1007/s10989-013-9366-8
Luna OF, Gomez J, Cárdenas C, Albericio F, Marshall SH, Guzmán F (2016) Deprotection reagents in Fmoc solid phase peptide synthesis: moving away from piperidine? Molecules. https://doi.org/10.3390/molecules21111542
Azkargorta M, Soria J, Ojeda C, Guzman F, Acera A, Iloro I, Suárez T, Elortza F (2015) Human basal tear peptidome characterization by CID, HCD, and ETD followed by in silico and in vitro analyses for antimicrobial peptide identification. J Proteome Res 14:2649–2658. https://doi.org/10.1021/acs.jproteome.5b00179
Segura C, Guzmán F, Salazar LM, Patarroyo ME, Orduz S, Lemeshko V (2007) BTM-P1 polycationic peptide biological activity and 3D-dimensional structure. Biochem Biophys Res Commun 353:908–914. https://doi.org/10.1016/j.bbrc.2006.12.113
Roesner S, Saunders GJ, Wilkening I, Jayawant E, Geden JV, Kerby P, Dixon AM, Notman R, Shipman M (2019) Macrocyclisation of small peptides enabled by oxetane incorporation. Chem Sci 10:2465–2472. https://doi.org/10.1039/c8sc05474f
Gross JH (2017) Mass spectrometry, a textbook, 3rd edn. Springer, Berlin
Liu H, Patron A, Wang Y, Dasgupta PK (2020) Exploiting adduct formation through an auxiliary spray in liquid chromatography-electrospray ionization mass spectrometry to improve charge-carrier identification. J Chromatogr A. https://doi.org/10.1016/j.chroma.2020.461601
Uçaktürk E, Başaran AA, Demirel AH (2020) Effect of the mobile phase compositions on the confirmation analysis of some prohibited substances in sport by LC–ESI–MS/MS. Chromatographia 83:1397–1411. https://doi.org/10.1007/s10337-020-03957-1
Balouiri M, Sadiki M, Ibnsouda SK (2016) Methods for in vitro evaluating antimicrobial activity: a review. J Pharm Anal 6:71–79
Chen PW, Shyu CL, Mao FC (2003) Antibacterial activity of short hydrophobic and basic-rich peptides. Am J Vet Res 64:1088–1092. https://doi.org/10.2460/ajvr.2003.64.1088
Thermofisher scientific. https://www.thermofisher.com/cl/es/home/life-science/protein-biology/peptides-proteins/custom-peptide-synthesis-services/peptide-analyzing-tool.html. Accessed 4 Nov 2020
Peptide 2.0 Inc. (2021) https://www.peptide2.com/N_peptide_hydrophobicity_hydrophilicity.php. Accessed 4 Nov 2020
Woody RW (1994) Contributions of tryptophan side chains to the far-ultraviolet circular dichroism of proteins. Eur Biophys J 23:253–262. https://doi.org/10.1007/BF00213575
Jobin ML, Blanchet M, Henry S, Chaignepain S, Manigand C, Castano S, Lecomte S, Burlina F, Sagan S, Alves ID (2015) The role of tryptophans on the cellular uptake and membrane interaction of arginine-rich cell penetrating peptides. Biochim Biophys Acta Biomembr 1848:593–602. https://doi.org/10.1016/j.bbamem.2014.11.013
Walrant A, Correia I, Jiao CY, Lequin O, Bent EH, Goasdoué N, Lacombe C, Chassaing G, Sagan S, Alves ID (2011) Different membrane behaviour and cellular uptake of three basic arginine-rich peptides. Biochim Biophys Acta Biomembr 1808:382–393. https://doi.org/10.1016/j.bbamem.2010.09.009
Gopal R, Kim YJ, Seo CH, Hahma K-S, Park Y (2011) Reversed sequence enhances antimicrobial activity of a synthetic peptide. J Pept Sci 17:329–334. https://doi.org/10.1002/psc.1369
Kirin SI, Kraatz HB, Metzler-Nolte N (2006) Systematizing structural motifs and nomenclature in 1, n′-disubstituted ferrocene peptides. Chem Soc Rev 35:348–354. https://doi.org/10.1039/b511332f
Acknowledgements
J.G. acknowledge to FONDECYT-Postdoctoral Chile (Grant 3170507). D.S. acknowledge to Instituto de Química y Bioquímica and Facultad de Ciencias of the Universidad de Valparaíso for financial support.
Author information
Authors and Affiliations
Corresponding authors
Ethics declarations
Conflict of interest
The authors declare no conflict of interest.
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Supplementary Information
Below is the link to the electronic supplementary material.
775_2021_1877_MOESM1_ESM.pdf
The Supporting Information is available free of charge on the website at https://doi.org/10.1007/s00775-021-01877-5. HPLC and mass spectra of OM-SAMPs and as well as exemplary growth-inhibitory effect on Gram-positive and Gram-negative bacteria (MIC assays) and HPLC stability test. (PDF 5420 kb)
Rights and permissions
About this article
Cite this article
Gómez, J., Sierra, D., Ojeda, C. et al. Solid-phase synthesis and evaluation of linear and cyclic ferrocenoyl/ruthenocenoyl water-soluble hexapeptides as potential antibacterial compounds. J Biol Inorg Chem 26, 599–615 (2021). https://doi.org/10.1007/s00775-021-01877-5
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00775-021-01877-5