Cyclic Dipeptides Formation From Linear Dipeptides Under Potentially Prebiotic Earth Conditions
Cyclic dipeptides (DKPs) are peptide precursors and chiral catalysts in the prebiotic process. This study reports proline-containing DKPs that were spontaneously obtained from linear dipeptides under an aqueous solution. Significantly, the yields of DKPs
Yeting Guo +15 more
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Staphylococcus aureus Exploits a Non-ribosomal Cyclic Dipeptide to Modulate Survival within Epithelial Cells and Phagocytes. [PDF]
Community-acquired (CA) Staphylococcus aureus cause various diseases even in healthy individuals. Enhanced virulence of CA-strains is partly attributed to increased production of toxins such as phenol-soluble modulins (PSM).
Sebastian Blättner +16 more
doaj +2 more sources
Cyclic Dipeptide Shuttles as a Novel Skin Penetration Enhancement Approach: Preliminary Evaluation with Diclofenac. [PDF]
This study demonstrates the effectiveness of a peptide shuttle in delivering diclofenac into and through human epidermis. Diclofenac was conjugated to a novel phenylalanyl-N-methyl-naphthalenylalanine-derived diketopiperazine (DKP) shuttle and to TAT (a ...
Yousuf Mohammed +4 more
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Antimicrobial and antibiofilm effects of cyclic dipeptide-rich fraction from Lactobacillus plantarum loaded on graphene oxide nanosheets [PDF]
IntroductionOne effective method to combat bacterial infections is by using bacteria itself as a weapon. Lactobacillus is a type of fermenting bacterium that has probiotic properties and has demonstrated antimicrobial benefits against other bacteria ...
Farid Shirmardi Dezaki +4 more
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A New Analogue of Echinomycin and a New Cyclic Dipeptide from a Marine-Derived Streptomyces sp. LS298 [PDF]
Quinomycin G (1), a new analogue of echinomycin, together with a new cyclic dipeptide, cyclo-(l-Pro-4-OH-l-Leu) (2), as well as three known antibiotic compounds tirandamycin A (3), tirandamycin B (4) and staurosporine (5), were isolated from Streptomyces
Xin Zhen +6 more
doaj +2 more sources
A Cyclic Dipeptide from Marine Fungus Penicillium chrysogenum DXY‑1 Exhibits Anti-quorum Sensing Activity [PDF]
Xiaodan Yu +7 more
doaj +2 more sources
The biological system uses L-amino acids (L-AAs) to construct peptides. The selection of AA chirality in the prebiotic Earth still remains a mystery.
Yeting Guo +7 more
doaj +1 more source
Genome mining is an important tool for discovery of new natural products; however, the number of publicly available genomes for natural product-rich microbes such as actinomycetes, relative to human pathogens with smaller genomes, is small.
Rahim Rajwani +4 more
doaj +1 more source
Fragmentation of 2,5-diketopiperazine cyclic dipeptide ions
The mechanism of radiation damage to 2,5-diketopiperazine (DKP, C4H6N2O2) molecules in the gas phase upon interaction with He2+ ions with an energy Ep = 4 keV/u has been investigated. The relative cross sections of various elementary processes occurring in single collisions of DKP with ions have been measured for the first time.
A. A. Basalaev +4 more
openaire +1 more source
Novel glyproline GZK-111 with neuropsychotropic activity
Thе article represents a review of our own researches, which describes the design, synthesis and pharmacological properties of linear substituted glyproline GZK-111, a potential drug for the complex treatment of psychiatric pathologies, including anxiety,
K. N. Koliasnikova +2 more
doaj +1 more source

