Abstract: The invention relates to selection of bacterial strain for use in treating serotonin deficiency and/or a disease related to serotonin deficiency by culturing bacteria of a lactic acid producing bacterial strain, under aerobic conditions, in a culture medium comprising tryptophan. Any serotonin produced by the bacteria of the lactic acid producing bacterial strain in the culture medium is detected and the lactic acid producing bacterial strain is selected as effective in treating serotonin deficiency and/or a disease related to serotonin deficiency in a subject if serotonin is detected in the culture medium.

Abstract: The present invention provides engineered transaminase polypeptides useful for the synthesis of chiral amine compounds under industrially relevant conditions. The invention also provides polynucleotides encoding the engineered transaminase polypeptides, host cells capable of expressing the engineered transaminases, and methods of using the engineered transaminases for the production of chiral amine compounds.

Abstract: The present invention relates to cleaning compositions comprising polypeptides having peptidoglycan degradation activity, as well as use of the cleaning compositions for cleaning of an item such as a textile or a surface.

Abstract: The present disclosure provides gene edited modified immune cells or precursors thereof (e.g., gene edited modified T cells) comprising an exogenous T cell receptor (TCR) and/or a chimeric antigen receptor (CAR) having specificity for a target antigen, and an insertion and/or deletion in one or more endogenous gene loci, wherein the endogenous gene loci encode regulators of T cell function, thereby resulting in immune cells having enhanced function. Compositions and methods of treatment are also provided. The present invention provides methods of screening for TCR- or CAR-T cells with enhanced immune function (e.g., T cell efficacy, T cell memory, and/or T cell persistence).

Abstract: Provided herein are methods and compositions comprising a bacterium or a metabolite thereof for enhancing mitochondrial and/or peroxisomal function.

Abstract: The present invention discloses a recombinant fused polypeptide, a preparation method therefor, and use thereof. The recombinant fused polypeptide is represented by the following general formula: X-linker1-Y; Y-linker1-X; X-linker2-Y; Y-linker2-X, where X is PRCWRGEGGGGIVRRADRAAVPGGGGRGD; and Y is Acetyl-SDKPGGGGTSLDASIIWAMMQNGGGGLSKL. The recombinant fused polypeptide according to the present invention can treat various fibrosis diseases and symptoms, and therapeutic use includes anti-pulmonary fibrosis, anti-hepatic fibrosis, anti-skin fibrosis, anti-renal fibrosis, anti-myocardial fibrosis, and resistance to lung tissue lesions.

Abstract: A gene editing system of Candida viswanathii includes a Candida viswanathii, a first gene editing fragment and a second gene editing fragment. The first gene editing fragment successively includes a first homology arm and a screening gene. The second gene editing fragment is connected to a C-terminus of the first gene editing fragment and includes a second homology arm, a Cas9 expression cassette and a sgRNA cassette. The Cas9 expression cassette successively includes a Cas9 promoter, a Cas9 gene and three nuclear localization sequences. The sgRNA cassette successively includes a sgRNA promoter, a first ribozyme, a targeting sequence, a scaffold and a second ribozyme. The first gene editing fragment and the second gene editing fragment are constructed as a linear fragment for gene editing of a chromosome of the Candida viswanathii.

Abstract: The disclosure relates to insecticidal toxin resistance management and screening of novel insecticidal toxins. One embodiment relates to the isolation, characterization, compositions, and methods of use relating to polynucleotides encoding novel insecticidal toxin receptors and the polypeptides encoded thereby. The polynucleotides and polypeptides are useful in identifying or designing novel insecticidal toxin receptor ligands including novel insecticidal toxins.

Abstract: A tandem DNA element capable of enhancing protein synthesis efficiency, in particular, the nucleic acid construct is formed by an IRES enhancer (such as ScBOI1, ScFLO8, ScNCE102, ScMSN1, KlFLO8, KlNCE102, KlMSN1, KlBOI1) derived from eukaryotic cells (such as yeast), a ? sequence, and a yeast-specific Kozak sequence in tandem. The use of the nucleic acid construct in a yeast-based in vitro biosynthesis system (such as a yeast-based in vitro protein synthesis system) can significantly improve protein synthesis efficiency.

Abstract: Provided are a microorganism of the genus Corynebacterium which produces a purine nucleotide, and a method of producing a purine nucleotide using the microorganism.

Abstract: The present invention relates to a method for producing cytidine 5?-monophospho-N-acetyl-neuraminic acid (CMP-Neu5Ac, 1) from low-cost substrates N-acetyl-D-glucosamine (GlcNAc), pyruvate, cytidine and polyphosphate in a single reaction mixture with a set of optionally immobilized or optionally co-immobilized enzymes comprising N-acylglucosamine 2-epimerase (AGE), an N-acetylneuraminate lyase (NAL), an N-acylneuraminate cytidylyltransferase (CSS), a uridine kinase (UDK), a uridine monophosphate kinase and a polyphosphate kinase 3 (PPK3). Further, said process may be adapted to produce Neu5Acylated i.e. sialylated biomolecules and biomolecules including a saccharide, a peptide, a protein, a glycopeptide, a glycoprotein, a glycolipid, a glycan, an antibody, and a glycoconjugate, in particular, an antibody drug conjugate, and a carbohydrate conjugate vaccine, or a flavonoid.

Abstract: Disclosed is a method for producing, in one step, “made to measure” double-stranded DNA vectors from molecular bricks including sequences of interest in the presence of a one and only type IIs restriction enzyme.

Abstract: This invention pertains to mutant Lachnospiraceae bacterium ND2006 (Lb) Cas12a nucleic acids and proteins for use in CRISPR/Cas12a endonuclease systems, and their methods of use. In particular, the invention pertains to an isolated mutant LbCas12a protein, wherein the isolated mutant LbCas12a protein is active in a CRISPR/Cas12a endonuclease system. The invention also includes isolated nucleic acids encoding mutant LbCas12a proteins, ribonucleoprotein complexes and CRISPR/Cas12a endonuclease systems having mutant LbCas12a proteins.

Abstract: Engineered nucleic acids encoding genome editing system components are provided, as are engineered RNA-guided nucleases that include inserts encoded in part by cellular genomic or other sequences recognized by guide RNAs.

Abstract: The present disclosure relates to novel chimeric cell wall hydrolases with anti-Staphylococcus activity. The disclosure also relates to compositions comprising these chimeric cell wall hydrolases and uses thereof in the treatment of conditions associated with Staphylococcus sp.

Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system. In particular the present invention comprehends optimized functional CRISPR-Cas enzyme systems.

Abstract: The invention relates to a new method of characterising a target polynucleotide. The method uses a pore and a Dda helicase. The helicase controls the movement of the target polynucleotide through the pore. The invention also relates to modified Dda helicases which can be used to control the movement of polynucleotides and are particularly useful for sequencing polynucleotides.

Abstract: A mammalian or avian cell line that expresses high levels of human influenza virus receptors is provided. In one embodiment, the cell line supports human influenza virus, e.g., human A/H3 influenza virus, isolation and growth much more effectively than corresponding conventional (unmodified) cells or in corresponding human virus receptor-overexpressing cells, and the propagated viruses may maintain higher genetic stability than in the corresponding cells.

Abstract: The present disclosure relates to fusion proteins including an iron-sulfur protein (e.g., cholesterol 7-desaturase (C7D)) and a ferredoxin reductase (e.g., KshB) that can efficiently convert cholesterol to 7-dehydrocholesterol (7-DHC) in vivo. Also disclosed herein are engineered microbes (e.g., E. coli) expressing the fusion proteins and methods of use thereof.

Abstract: The invention includes a mutant Taq polymerase, which can significantly extend and amplify a target sequence where the extension conditions are time limited to as little as one second. The mutant Taq polymerase, or a biologically active fragment thereof, has one or more substitutions differing from the wild type as shown in Table I.