CRISPR/CAS-related systems, compositions and methods for editing RS1, RL2, and/or LAT genes in human cells are described, as are cells and compositions including cells edited according to the same.

Provided herein are methods of treating or preventing human cytomegalovirus (HCMV) infection comprising modulating interactions between the HCMV gHgLgO trimer and plasma membrane-expressed host cell proteins, as well as methods of identifying modulators of such interactions.

Genome editing systems and genetic constructs that target a herpes simplex virus (HSV) viral gene, where the systems comprise one Cas9 molecule, and a gRNA molecule, compositions and cells comprising such genome editing systems and genetic constructs as well as methods for using the genome editing systems, genetic constructs, compositions and cells for genome engineering, and for preventing, treating or reducing HSV infection.

Provided herein are CasX:gNA systems comprising CasX polypeptides, guide nucleic acids (gNA), and optionally donor template nucleic acids useful in the modification of a SOD1 gene. The systems are also useful for introduction into cells, for example eukaryotic cells having mutations in the SOD1 protein or the SOD1 regulatory element. Also provided are methods of using such CasX:gNA systems to modify cells having such mutations and utility in methods of treatment of a subject with a SOD1-related disease.

CRISPR/CAS-related systems, compositions and methods for editing RS1, RL2, and/or LAT genes in human cells are described, as are cells and compositions including cells edited according to the same.

The invention relates to a guide RNA (gRNA) comprising a guide sequence capable of targeting a Cas9 protein to a target sequence in an ICP6 gene of type 1-herpes simplex virus (HSV-1) to provide a specific cleavage event, wherein the target sequence comprises a GATC insertion as compared to a wild-type HSV-1. The invention also relates to a HSV-1 gene-editing system and a gene-editing method for generating a desired recombinant HSV-1 by using said gRNA.

This disclosure provides engineered genetic systems for sequestering and/or destroying viruses, compositions and cells comprising the genetic systems, and methods of treating viral infections, reducing viral load, and/or reducing viral spread. The disclosure also provides libraries comprising elements to be incorporated into the engineered genetic systems.

Human herpesviruses can infect barrier and immune cells of the intestines to cause microbiome dysbiosis and inflammation. Microbiome dysbiosis can affect the brain function, and inflammation can compromise the intestinal barrier and lead to microbial translocation. Embodiments may restrict herpesvirus activity and injury by 1) the oral administration of exosomes containing factors to inhibit viral activity and restore homeostasis, and 2) the oral administration of recombinant bacteria that produce exosomes containing factors to inhibit viral activity and restore homeostasis. Embodiments also measure HHV activity in stool by ELISA immunoassay of HHV proteins.

Provided are antisense morpholino oligomers targeted against bacterial virulence factors such as genes that contribute to antibiotic resistance or biofilm formation, or essential genes, and related compositions and methods of using the oligomers and compositions, for instance, in the treatment of an infected mammalian subject.

The present invention relates to an oligomer conjugate for use in the treatment of a viral disorder. The oligomer conjugate comprises: a) an oligomer capable of modulating a target sequence in HBx and/or HBsAg of Hepatitis B Virus (HBV) to treat said viral disorder; and b) a carrier component capable of delivering the oligomer to the liver which is linked, preferably conjugated, to the oligomer.