Author(s): Hamidabad MN; Watson NA; Wright LN; Mansbach RA;

Antimicrobial peptides (AMPs) are of growing interest as potential candidates that may offer more resilience against antimicrobial resistance than traditional antibiotic agents. In this article, we perform the first in silico study of the synthetic ß sheet-forming AMP GL13K. Through atomistic simulations of single and multi-peptide systems under different ...

Article GUID: 38572930

Author(s): Feng Q; Chen Z; An C; Yang X; Wang Z;

In the present study, the infiltration and resuspension of microplastics (MPs) in a slope substrate under the influence of repeated tidal forces were investigated using a tidal tank. In the scenario in which MPs were placed on the top of the slope, increasing numbers of particles were observed on the water surface with the increase in tidal cycles. More p ...

Article GUID: 37084574

Author(s): Pontarelli A; Wilds CJ;

The introduction of chemical modifications on the nucleic acid scaffold has allowed for the progress of antisense oligonucleotides (ASOs) in the clinic for the treatment of a variety of disorders. In contribution to the repertoire of gene-silencing nucleic acid modifications, herein we report the synthesis and incorporation of C5-propynyl arabinouridine ( ...

Article GUID: 36857293

Author(s): Pontarelli A; Liu JT; Oh JK; Wilds CJ;

The protocols described in this article provide details regarding the synthesis and characterization of a disulfide containing linker phosphoramidite for terminal functionalization of synthetic oligonucleotides. The linker is first synthesized from 6-mercaptohexanol in two steps and is incorporated at the 5' end of short DNA oligonucleotides using aut ...

Article GUID: 36840706

Author(s): Caspari OD; Garrido C; Law CO; Choquet Y; Wollman FA; Lafontaine I;

We asked what peptide features govern targeting to the mitochondria versus the chloroplast using antimicrobial peptides as a starting point. This approach was inspired by the endosymbiotic hypothesis that organelle-targeting peptides derive from antimicrobial amphipathic peptides delivered by the host cell, to which organelle progenitors became resistant. ...

Article GUID: 36733255

Author(s): Pontarelli A; Wilds CJ;

The promise of the antisense approach to treat a variety of diseases with oligonucleotides and solutions to challenges that have been encountered in their development is attributable to chemical modification of the nucleic acid scaffold. Herein, we describe preliminary data regarding the synthesis of a novel C5-propynyl-ß-D-arabinouridine (araUP) phosphor ...

Article GUID: 35452799

Author(s): Holgersen EM; Gandhi S; Zhou Y; Kim J; Vaz B; Bogojeski J; Bugno M; Shalev Z; Cheung-Ong K; Gonçalves J; O' Hara M; Kron K; Verby M; Sun M; Kakaradov B; Delong A; Merico D; Deshwar AG;

Steric-blocking oligonucleotides (SBOs) are short, single-stranded nucleic acids designed to modulate gene expression by binding to RNA transcripts and blocking access from cellular machinery such as splicing factors. SBOs have the potential to bind to near-complementary sites in the transcriptom ...

Article GUID: 34388351

Author(s): Jangra R; Brunetti SC; Wang X; Kaushik P; Gulick PJ; Foroud NA; Wang S; Lee JS;

Peptide signaling has emerged as a key component of plant growth and development, including stomatal patterning, which is critical for plant productivity and survival. Although exciting progress has been made in understanding EPIDERMAL PATTERNING FACTOR (EPF) signaling in Arabidopsis, the mechanisms by which EPF peptides control different stomatal pattern ...

Article GUID: 34328169

Author(s): Olajide OJ; Chapman CA;

The hippocampus and entorhinal cortex (EC) accumulate amyloid beta peptides (Aß) that promote neuropathology in Alzheimer's disease, but the early effects of Aß on excitatory synaptic transmission in the EC have not been well characterized. To assess the acute effects of Aß1-42 on glutamatergic synapses, acute brain slices from wildtype rats were expo ...

Article GUID: 34144329

Author(s): Evdokias G; Semper C; Mora-Ochomogo M; Di Falco M; Nguyen TTM; Savchenko A; Tsang A; Benoit-Gelber I;

Previously, DNA microarrays analysis showed that, in co-culture with Bacillus subtilis, a biosynthetic gene cluster anchored with a nonribosomal peptides synthetase of Aspergillus niger is downregulated. Based on phylogenetic and synteny analyses, we show here that this gene cluster, NRRL3_00036- ...

Article GUID: 34064722

Author(s): Liczner C; Duke K; Juneau G; Egli M; Wilds CJ;

Over the past 25 years, the acceleration of achievements in the development of oligonucleotide-based therapeutics has resulted in numerous new drugs making it to the market for the treatment of various diseases. Oligonucleotides with alterations to their scaffold, prepared with modified nucleosides and solid-phase synthesis, have yielded molecules with in ...

Article GUID: 33981365