19 results about "Calmodulin" patented technology

The invention belongs to the technical field of plant genetic engineering, and discloses application of an LcCBP60b-LcALY2 molecular module in regulation and control of growth and development and maturing rate of leymus chinensis. The invention discovers that the calmodulin binding protein coding gene LcCBP60b negatively regulates the growth and development and the maturing rate of the leymus chinensis for the first time, and a yeast double-impurity experiment discovers that the LcCBP60b interacts with the LcALY2 protein to regulate the related characters of the maturing rate of the leymus chinensis. The LcCBP60b negatively regulates the activity of the LcALY2 protein and inhibits the regulation effect of the LcALY2 coded THO protein complex 4B in the flowering and ear forming process of leymus chinensis. The LcCBP60b-LcALY2 molecular module verified by the invention provides a new perspective for deeply understanding a Leymus chinensis fruiting regulation mechanism, and provides a direct molecular target for directionally creating new varieties of high-fruiting-rate pasture and cereal crops.

The invention belongs to the field of plant engineering technology and crop germplasm resource innovation, and particularly relates to a rice BEIIb gene mutant, application of the rice BEIIb gene mutant in improving rice resistant starch and an improving method. A mutant material with high resistant starch content is created by knocking out the rice BEIIb gene, and compared with a wild type, mutant seeds show an obvious chalky phenotype, composite starch particles are abnormal in a spherical or ellipsoidal shape, the amylose content is remarkably increased, the protein content is remarkably reduced, the resistant starch content is remarkably increased, and the resistant starch content is remarkably reduced. The hardness of cooked rice is remarkably increased, and the elasticity is remarkably reduced. Through transcriptomics analysis, the protein mainly participates in biological pathways such as carbohydrate metabolism, chloroplast photosynthesis, calmodulin combination and secondary metabolite synthesis, and the expression level of endosperm starch synthesis related genes is obviously changed. The method can provide theoretical basis and method reference for breeding of high-quality rice varieties with high resistant starch.

Provided herein are plants, plant parts, a population of plants or plant parts, and plant products (e.g., seed composition, protein composition) comprising reduced activity of a protein-related polypeptide [e.g., stomatal cytokinesis defective 2 (SCD2), SCD2A, SCD2B, response to dehydration 22 (RD22), glucuronidase 3 (GUS3), GUS3A, glycosyl hydrolase family 10 protein B (GH10B), protein phosphatase 2A beta subunit (PP2AB), PPA2BA, PP2ABAB, alpha / beta-hydrolases superfamily protein (ABH), ABHA, ABHB, calmodulin-binding transcription activator protein 2 (CAMTA2), CAMTA2A, CAMTA2B, cinnamyl-alcohol dehydrogenase (CAD1), beta-ketoacyl reductase 1 (KCR1), KCR1A, or KCR1B], and compositions and methods of producing such plants and plant parts. The plants, plant parts, population of plants or plant parts, or plant products can have a genetic mutation that reduces the protein-related polypeptide activity, which can be one located at least partially in a protein-related gene (e.g., CAD1) or its homolog or in its regulatory region, and can have increased protein content and / or white flake protein content.

The application belongs to the field of agricultural biotechnology, and particularly relates to application of a calmodulin-binding protein CBP60g or a coding gene CBP60g thereof in control of clubroot, wherein an amino acid sequence of the calmodulin-binding protein CBP60g is shown as SEQ ID NO. 1. The application can restore the resistance of Arabidopsis thaliana to Plasmodiophora brassicae at high temperature by overexpressing CBP60g, and the same is verified in Brassica napus, and the normal growth, yield and quality of the Brassica napus are not affected, which indicates that the CBP60g gene can resist Plasmodiophora brassicae at high temperature, and increase the recovery of the immune response of crops to high-temperature combined stress, and provides a strategy for molecular breeding in response to climate change.

The invention provides a recombinant bovine lactoferrin peptide capable of reducing feedback inhibition on host bacteria and a construction method thereof in order to overcome the practical application problem of a genetic engineering method in the process of producing the bovine lactoferrin peptide at present. According to the invention, bovine lactoferrin peptide, calmodulin and enhanced green fluorescent protein are connected in series to form bovine lactoferrin peptide fusion protein, a pichia pastoris recombinant strain is constructed, and high-level expression of bovine lactoferrin peptide is realized. According to the method, positive charges of bovine lactoferrin are neutralized on the basis of calmodulin, toxicity of antibacterial peptide to a host is weakened, the tandem enhanced green fluorescent protein can emit green fluorescence under 488 nm exciting light, and real-time analysis of the expression level of bovine lactoferrin fusion protein is achieved. According to the method, by adopting a fusion expression technology, the toxicity to a host when the antibacterial peptide is produced by a genetic engineering method is overcome, so that the expression quantity is increased, and a foundation is laid for high-density fermentation production of the bovine lactoferrin peptide.

The invention discloses a medicago sativa MsCML69 gene for regulating and controlling salt tolerance and application of the medicago sativa MsCML69 gene. The nucleotide sequence of the MsCML69 gene is as shown in SEQ ID NO. 1; 1, and the corresponding amino acid sequence is as shown in SEQ ID NO. 2. The cDNA sequence of the calmodulin-like gene MsCML69 is cloned from medicago sativa, the obtained MsCML69 gene is connected with a plant expression vector to construct a recombinant expression vector, the constructed recombinant expression vector is used for transforming plant leaves, and finally transgenic plants are cultivated. Results show that overexpression of the gene can significantly improve the salt tolerance of the plant. The discovery of the MsCML69 gene provides a gene resource for cultivation of new stress-resistant germplasm of medicago sativa, the application range of the MsCML69 gene is widened, and the application of the MsCML69 gene has important production practice significance.

The invention discloses a BCG3973 gene knocked-down recombinant bacillus calmette guerin vaccine strain as well as a construction method and application thereof. According to the invention, a CRISPRi / dCas9th1 technology is utilized to block RNA polymerase movement in space through a compound formed by crRNA, dCas9 protein and sgRNA at a transcriptional level, so that the expression of the BCG3973 gene in the BCG vaccine is inhibited. After being treated by the recombinant bacillus calmette guerin bacterial strain, the immune-related pathways of macrophages, such as a cytokine-cytokine receptor action pathway, a Ca < + + > signal pathway and pathways such as PPAR and JAK-STAT, are obviously increased, and IL-1beta, TNF-alpha, antiviral protein and calmodulin with higher levels are expressed, so that the recombinant bacillus calmette guerin bacterial strain has stronger bactericidal ability on escherichia coli. Mouse in-vivo experiments show that the recombinant bacillus calmette-guerin bacterial strain has a very good protection effect on escherichia coli infection and endotoxemia caused by lipopolysaccharide, and shows higher survival rate and stronger capability of eliminating heterologous substance infection under attack of a lethal dose of Candida albicans.

The present invention relates generally to compounds of Formula (I), (II), (III), (IV), and (V), and pharmaceutically acceptable salts thereof, compositions and kits comprising the same, and methods of making and using the same. The compounds of the invention are effective in treating Diamond-Blackfan Anemia (DBA).

The invention discloses ultrasonic response ZnS (at) Lf piezoelectric nanoparticles as well as a preparation method and application thereof, and relates to the technical field of piezoelectric materials. The ultrasonic response ZnS (at) Lf piezoelectric nano-particle comprises a ZnS nano-particle and lactoferrin loaded on the surface of the ZnS nano-particle. According to the invention, lactoferrin is used as a potent brain-targeting ligand, and passes through a blood-brain barrier to be accumulated in brain parenchyma under the cell transfer action of brain capillary endothelial cells. ZnS nano particles release charges under the ultrasonic action, an electric signal activates a voltage-gated calcium ion channel and extracellular calcium ion influx, calcium ion / calmodulin kinase induces tyrosine hydroxylase (TH) phosphorylation, the activity of tyrosine hydroxylase is enhanced, tyrosine hydroxylase is a key enzyme for generating dopamine, and the activity of the tyrosine hydroxylase is enhanced. Therefore, more tyrosine in vivo is converted into neurotransmitter dopamine under the action of the enzyme. Finally, the regeneration of dopaminergic neurons is realized, so that the Parkinson's disease is effectively improved.

Calcium / calmodulin-dependent protein kinase II (CaMKII) inhibitors and their use in treating or preventing cardiovascular diseases are disclosed.

The invention provides a nano antibody targeting human transmembrane activator and calmodulin TACI (transmembrane activator and calmodulin phosphatase) interaction protein and application of the nano antibody. The antibody is derived from an alpaca heavy-chain antibody variable region. The anti-TACI single-domain antibody NB38 can be combined with human TACI with high affinity and specificity, can recognize recombinant TACI protein, can also recognize TACI with native conformation on the surface of a cell, and can partially block a BAFF / APRIL signal channel. Based on the nano antibody, gene engineering forms such as fusion protein, a chimeric antigen receptor, effector cells for expressing the chimeric antigen receptor, a bispecific cell connector and the like are constructed. The nano antibody can be further expanded into a coupled drug form. The product can be used for mediating directional recognition and killing of TACI positive cells, can be used as supplement and expansion of BCMA targeted therapy, and provides a new candidate technical scheme for targeted therapy of multiple myeloma and other TACI related diseases.

The invention relates to a chimonanthus praecox calmodulin protein CpCML45 and an application thereof. The CpCML45 gene is cloned from chimonanthus praecox, the maximum ORF frame of the CpCML45 gene is 627 bp, and 208 amino acids are encoded. According to the invention, a pCAMBIA-2301G-CpCML45 overexpression vector is constructed and is transferred into arabidopsis thaliana Col-0. Through overexpression of CpCML45, the leaf area of transgenic arabidopsis thaliana is significantly increased, the inflorescence is significantly increased, and the leaf area and the inflorescence are in direct proportion to the expression quantity. Through overexpression of CpCML45, drought tolerance and salt tolerance of transgenic arabidopsis thaliana are enhanced, but low temperature tolerance of the transgenic arabidopsis thaliana is reduced.

The invention provides antibodies, antibody-drug conjugates, bispecific T cell engagers (BiTEs), and chimeric antigen receptors (CARs) that target transmembrane activator and calcium modulator and cyclophilin ligand interactor (TACI). Such antibodies, antibody-drug conjugates, BiTEs, and CARs can be used, e.g., in methods for treating a cancer (e.g., multiple myeloma), an autoimmune disorder (e.g., characterized by a high titer of antibodies contributing to the disorder), or a plasma cell disease disorder (e.g., plasma cell dyscrasias) in a subject in need thereof.

The invention belongs to the field of plant genetic engineering technology and disease control, and relates to calmodulin OsCML15 and application thereof in rice virus disease resistance.

The present invention relates to methods, compositions and kits for treatment of ribosomal disorders and ribosomopathies, e.g. Diamond Blackfan anemia (DBA). In some embodiments, the invention relates to the use of novel classes of compounds, i.e. inhibitors of RSK (p90S6K); inhibitors of p70S6K; and inhibitors of rps6, to treat ribosomal disorders and ribosomopathies. In some embodiments, the invention relates to the use of specific Chk2 inhibitors and to the use of specific phenothiazine derivatives to treat ribosomal disorders and ribosomopathies, e.g. DBA.

The present invention relates generally to compounds of Formula (I), (II), (III), (IV), and (V), and pharmaceutically acceptable salts thereof, compositions and kits comprising the same, and methods of making and using the same. The compounds of the invention are effective in treating Diamond-Blackfan Anemia (DBA).

The application discloses a reference gene of Irpex lacteus, primers and application thereof. The reference gene comprises ubiquitin conjugating enzyme 1, autophagy protein Atg8, ubiquitin conjugating enzyme 2, calmodulin-dependent phosphatase and fungal protein kinase gene. The five reference genes disclosed in the application are suitable for expression level research of different expression level genes. The reference gene provided by the application has stable expression in different development periods and different culture conditions, and the reference primers have high specificity, stable amplification and amplification efficiency close to 100%. In addition, according to the expression level of a target gene, a suitable reference gene can be selected from the five reference genes for expression level research. The application provides new candidate reference genes which are more stable and more extensive than common reference genes such as gapdh for gene expression research of Irpex lacteus.

The application provides application of calmodulin in regulation of seed quantity in Arabidopsis thaliana siliques, and the seed quantity in the siliques of Arabidopsis thaliana is increased by applying calmodulin to the culture environment outside Arabidopsis thaliana cells.

Compositions and methods for treating chlorine gas-induced pulmonary injury are disclosed. The described approach targets calcium / calmodulin-dependent protein kinase II (CaMKII), an enzyme activated in lung cells upon chlorine exposure, which contributes to oxidative stress and inflammation. The compositions include one or more CaMKII inhibitors, such as CaMKIIN peptides, encapsulated in liposomes and / or nanoparticles designed for pulmonary delivery. The liposomes can be conjugated with mitochondrial targeting moieties, such as triphenyl phosphonium bromide (TPP), to enhance delivery to mitochondria, where CaMKII activation occurs. The method involves administering the composition via inhalation or other routes to mitigate lung damage, reduce oxidative stress, and improve pulmonary function. This approach provides a targeted and effective solution for managing chlorine¬ induced respiratory distress, addressing limitations of current therapies.