10 results about "Zygosity" patented technology

The invention provides a breeding method for constructing XX / XY sex determination all-female sterile fish and application. The method comprises the following steps: knocking out a catalytic enzyme coding gene of a fish sex steroid hormone synthesis pathway by using a gene editing technology to block the fish sex steroid hormone synthesis pathway, screening to obtain an effectively mutated homozygote XX sex genetic type pseudo male fish, and hybridizing the pseudo male fish with improved allotetraploid crucian and carp female fish to obtain the fish sex steroid hormone synthesis pathway. Therefore, an allotriploid population is obtained, and the population completely develops into female fishes and is sterile, so that the effect of obtaining all-female and sterile populations is achieved at the same time. The method provided by the invention has very strong applicability, and can be widely applied to aquaculture of fishes to obtain female unisexual groups of the fishes so as to improve the aquaculture yield, realize effective control on female fertility and protect ecological safety; the method has a wide application prospect in the fields of genetic breeding and ecological safety of aquaculture fishes.

The presently described and claimed technology relates immunoassay methods of assessing a subject's Alzheimer's Disease status and zygosity for the APOE ε4 allele.

Embodiments of the invention utilize a graph-based approach for simulating genomic datasets from large scale populations. Genomic data may be represented as a directed acyclic graph (DAG) that incorporates individual sample data including variant type, position, and zygosity. A simulator may operate on the DAG to generate variant datasets based on probabilistic traversal of the DAG. This probabilistic traversal reflects genomic variant types associated with the subpopulation used to build the DAG, and as a result, the generated variant datasets maintain statistical fidelity to the original sample data.

This disclosure concerns methods and compositions for identifying plants that have an Ogura CMS restorer of fertility phenotype. Some aspects concern a zygosity assay to identify, select, and / or construct Ogura CMS restorer of fertility plants and germplasm. Particular aspects concern a zygosity assay to maintain an Ogura fertility restoration system for hybrid canola production. This disclosure also concerns plants comprising an Ogura fertility restoration system for hybrid canola production generated by methods utilizing the zygosity assay described herein.

The present disclosure provides compositions and methods for the editing or mutating of specific subtypes of GA20 oxidase genes and specific zygosity combinations of those edits or mutations. Modified plants, and plant parts and cells thereof, having mutations reducing the expression or activity of GA20 oxidase genes are further provided with improved characteristics, such as reduced plant height and increased lodging resistance, but without off-types. Methods are further provided for making modified plants, and plant parts and cells thereof, having one or more mutations in specific subtypes of GA20 oxidase genes.

Methods of reliably estimating genomic fraction (e.g., fetal fraction) from polymorphisms such as small base variations or insertions-deletions are disclosed. Sequenced data from a multigenomic source is used to determine allele counts for one or more of the polymorphisms. For one or more of the polymorphisms, zygosity is assigned, and genomic fraction is determined from the zygosity and allele counts. Certain embodiments employ SNPs as the relevant polymorphism. The disclosed methods can be applied as part of an intentional, pre-designed re-sequencing study targeted against known polymorphisms or can be used in a retrospective analysis of variations found by coincidence in overlapping sequences generated from maternal plasma (or any other setting where a mixture of DNA from several people are present).

The present invention describes a novel method for pre-clinical or clinical biomarker characterization, e.g. In the field of neuroscience, such as Huntington's Disease. The disclosed methods and kits can be used as companion diagnostic tools where identification of two or more paired loci is required to provide basic information for safe and efficient stratification of patients receiving specific therapy or drug treatment. More particularly, the methods allow for the accurate determination of the spatial relationship of single nucleotide polymorphisms (SNPs) to short tandem repeats (STRs) or another SNP from regions that are very distant from the genome in heterozygosity / homozygosity resolution.

The present disclosure provides methods for selecting cancer patients for dual anti-CTLA4 and anti-PD-Ll / PD-1 immune checkpoint blockade (ICB) therapy based on biallelic inactivation (mutation plus copy number loss of wild-type allele, "MutLOH") in KEAP1 and STK11.

This disclosure concerns methods and compositions for identifying plants that have an Ogura CMS restorer of fertility phenotype. Some aspects concern a zygosity assay to identify, select, and / or construct Ogura CMS restorer of fertility plants and germplasm. Particular aspects concern a zygosity assay to maintain an Ogura fertility restoration system for hybrid canola production. This disclosure also concerns plants comprising an Ogura fertility restoration system for hybrid canola production generated by methods utilizing the zygosity assay described herein.

This invention relates in part to soybean event pDAB8264.44.06.1 and includes a novel expression cassettes and transgenic inserts comprising multiple traits conferring resistance to glyphosate, aryloxyalkanoate, and glufosinate herbicides. This invention also relates in part to methods of controlling resistant weeds, plant breeding and herbicide tolerant plants. In some embodiments, the event sequence can be “stacked” with other traits, including, for example, other herbicide tolerance gene(s) and / or insect-inhibitory proteins. This invention further relates in part to endpoint TaqMan PCR assays for the detection of Event pDAB8264.44.06.1 in soybeans and related plant material. Some embodiments can perform high throughput zygosity analysis of plant material and other embodiments can be used to uniquely identify the zygosity of and breed soybean lines comprising the event of the subject invention. Kits and conditions useful in conducting these assays arc also provided.