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Cyclic lipodepsipeptides from Pseudomonas spp. : biological Swiss-army knives

Niels Geudens (UGent) and José Martins (UGent)
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Abstract
Cyclic lipodepsipeptides produced by Pseudomonas spp. (Ps-CLPs) are biosurfactants that constitute a diverse class of versatile bioactive natural compounds with promising application potential. While chemically diverse, they obey a common structural blue-print, allowing the definition of 14 distinct groups with multiple structurally homologous members. In addition to antibacterial and antifungal properties the reported activity profile of Ps-CLPs includes their effect on bacterial motility, biofilm formation, induced defense responses in plants, their insecticidal activity and anti-proliferation effects on human cancer cell-lines. To further validate their status of potential bioactive substances, we assessed the results of 775 biological tests on 51 Ps-CLPs available from literature. From this, a fragmented view emerges. Taken as a group, Ps-CLPs present a broad activity profile. However, reports on individual Ps-CLPs are often much more limited in the scope of organisms that are challenged or activities that are explored. As a result, our analysis shows that the available data is currently too sparse to allow biological function to be correlated to a particular group of Ps-CLPs. Consequently, certain generalizations that appear in literature with respect to the biological activities of Ps-CLPs should be nuanced. This notwithstanding, the data for the two most extensively studied Ps-CLPs does indicate they can display activities against various biological targets. As the discovery of novel Ps-CLPs accelerates, current challenges to complete and maintain a useful overview of biological activity are discussed.
Keywords
amphiphile, lipopeptides, Pseudomonas, biological activities, metabolite, LINE-INDUCING PRINCIPLE, SYRINGAE PV SYRINGAE, SP STRAIN DSS73, INDUCED SYSTEMIC RESISTANCE, CHANNEL-FORMING ACTIVITIES, SYRINGOMYCIN-E CHANNELS, SUGAR-BEET RHIZOSPHERE, PLANT-GROWTH PROMOTION, SIDE-CHAIN ANALOGS, LIPOPEPTIDE PRODUCTION

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Citation

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Chicago
Geudens, Niels, and José Martins. 2018. “Cyclic Lipodepsipeptides from Pseudomonas Spp. : Biological Swiss-army Knives.” Frontiers in Microbiology 9.
APA
Geudens, N., & Martins, J. (2018). Cyclic lipodepsipeptides from Pseudomonas spp. : biological Swiss-army knives. FRONTIERS IN MICROBIOLOGY, 9.
Vancouver
1.
Geudens N, Martins J. Cyclic lipodepsipeptides from Pseudomonas spp. : biological Swiss-army knives. FRONTIERS IN MICROBIOLOGY. 2018;9.
MLA
Geudens, Niels, and José Martins. “Cyclic Lipodepsipeptides from Pseudomonas Spp. : Biological Swiss-army Knives.” FRONTIERS IN MICROBIOLOGY 9 (2018): n. pag. Print.
@article{8573245,
  abstract     = {Cyclic lipodepsipeptides produced by Pseudomonas spp. (Ps-CLPs) are biosurfactants that constitute a diverse class of versatile bioactive natural compounds with promising application potential. While chemically diverse, they obey a common structural blue-print, allowing the definition of 14 distinct groups with multiple structurally homologous members. In addition to antibacterial and antifungal properties the reported activity profile of Ps-CLPs includes their effect on bacterial motility, biofilm formation, induced defense responses in plants, their insecticidal activity and anti-proliferation effects on human cancer cell-lines. To further validate their status of potential bioactive substances, we assessed the results of 775 biological tests on 51 Ps-CLPs available from literature. From this, a fragmented view emerges. Taken as a group, Ps-CLPs present a broad activity profile. However, reports on individual Ps-CLPs are often much more limited in the scope of organisms that are challenged or activities that are explored. As a result, our analysis shows that the available data is currently too sparse to allow biological function to be correlated to a particular group of Ps-CLPs. Consequently, certain generalizations that appear in literature with respect to the biological activities of Ps-CLPs should be nuanced. This notwithstanding, the data for the two most extensively studied Ps-CLPs does indicate they can display activities against various biological targets. As the discovery of novel Ps-CLPs accelerates, current challenges to complete and maintain a useful overview of biological activity are discussed.},
  articleno    = {1867},
  author       = {Geudens, Niels and Martins, Jos{\'e}},
  issn         = {1664-302X},
  journal      = {FRONTIERS IN MICROBIOLOGY},
  language     = {eng},
  pages        = {18},
  title        = {Cyclic lipodepsipeptides from Pseudomonas spp. : biological Swiss-army knives},
  url          = {http://dx.doi.org/10.3389/fmicb.2018.01867},
  volume       = {9},
  year         = {2018},
}

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