Results 61 to 70 of about 3,649 (185)

Protozoan-induced regulation of cyclic lipopeptide biosynthesis Is an effective predation defense mechanism for Pseudomonas fluorescens [PDF]

open access: yes, 2009
Environmental bacteria are exposed to a myriad of biotic interactions that influence their function and survival. The grazing activity of protozoan predators significantly impacts the dynamics, diversification, and evolution of bacterial communities in ...
Bruijn, I., de   +3 more
core   +3 more sources

The V‐Shaped Hamilton Receptors: A Paradigmatic Multipurpose Scaffold

open access: yesChemistryOpen, Volume 15, Issue 1, January 2026.
This manuscript explores the historical context and significance of molecular recognition in relation to Hamilton‐type receptors. It concludes with a discussion on future prospects for the development of novel functionalized Hamilton‐type receptors. It is hoped that this collection will offer new insights and directions for the supramolecular chemistry
Shafieq Ahmad Wagay, Rashid Ali
wiley   +1 more source

Cyanobacterial Allelochemicals But Not Cyanobacterial Cells Markedly Reduce Microbial Community Diversity

open access: yesFrontiers in Microbiology, 2017
The freshwater cyanobacterium Phormidium sp. LEGE 05292 produces allelochemicals, including the cyclic depsipeptides portoamides, that influence the growth of heterotrophic bacteria, cyanobacteria, and eukaryotic algae.
Filipa Dias   +8 more
doaj   +1 more source

Robust Synthesis of Prebiotic Precursors in Drying Reactions of Amino Acids and Keto Acids

open access: yesChemSystemsChem, Volume 8, Issue 1, January 2026.
Drying conditions drive reactions between amino acids and keto acids, generating a wide variety of small, reactive species, highlighting for the first time the potential significance of drying reactions in proto‐metabolism on early Earth. Condensation‐dehydration reactions are critical to both metabolism and polymerization in extant biology, and their ...
Eliav Marland   +7 more
wiley   +1 more source

Induction of diverse secondary metabolites in Aspergillus fumigatus by microbial co-culture [PDF]

open access: yes, 2013
Peer reviewedPublisher ...
Abraham   +38 more
core   +1 more source

Characterizing the Anti-HIV Activity of Papuamide A

open access: yesMarine Drugs, 2008
Papuamide A is representative of a class of marine derived cyclic depsipeptides, reported to have cytoprotective activity against HIV-1 in vitro. We show here that papuamide A acts as an entry inhibitor, preventing human immunodeficiency virus infection ...
Louis R. Barrows   +2 more
doaj   +1 more source

Marine Sponge Derived Natural Products between 2001 and 2010: Trends and Opportunities for Discovery of Bioactives [PDF]

open access: yes, 2014
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).Abstract: Marine sponges belonging to the phylum Porifera (Metazoa ...
Franco, Christopher Milton   +3 more
core   +2 more sources

Determination of Diketopiperazine Formation During the Solid‐Phase Synthesis of C‐Terminal Acid Peptides

open access: yesChemistry–Methods, Volume 5, Issue 11, November 2025.
Diketopiperazine formation (DKP) is one of the most serious side reactions during peptide synthesis. An accurate method to determine the DKP formation in peptide synthesis on Wang resin is reported. Furthermore, the strategies to minimize this side reaction and side products lacking C‐terminal amino acids are described. Diketopiperazine formation (DKP)
Mani Kaushal   +7 more
wiley   +1 more source

Picocyanobacteria From a Clade Of Marine Cyanobium Revealed Bioactive Potential Against Microalgae, Bacteria, And Marine [PDF]

open access: yes, 2015
The production of bioactive compounds either toxic or with pharmacological applications by cyanobacteria is well established. However, picoplanktonic forms within this group of organisms have rarely been studied in this context.
Barreiro, Aldo   +6 more
core   +1 more source

Characterization of the Ohmyungsamycin Biosynthetic Pathway and Generation of Derivatives with Improved Antituberculosis Activity

open access: yesBiomolecules, 2019
The cyclic depsipeptides ohmyungsamycin (OMS) A (1) and B (2), isolated from the marine-derived Streptomyces sp. SNJ042, contain two non-proteinogenic amino acid residues, β-hydroxy-l-phenylalanine (β-hydroxy-l-Phe) and 4-methoxy-l-tryptophan ...
Eunji Kim   +14 more
doaj   +1 more source

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