Cereal Tissue Purity
Cereal Tissue Purity - Related Videos
12:17
Detection and Isolation of Apoptotic Bodies to High Purity
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Cited by 29 •
2018
A workflow using flow cytometry or differential centrifugation is developed to detect, quantify and isolate apoptotic bodies from an apoptotic sample to high purity.
12:06
Synthesis of High Purity Nonsymmetric Dialkylphosphinic Acid Extractants
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Cited by 6 •
2017
A protocol for the synthesis of high purity nonsymmetric dialkylphosphinic acid extractants is presented, taking (2,3-dimethylbutyl)(2,4,4'-trimethylpentyl)phosphinic acid as an example.
07:54
Rapid and Refined CD11b Magnetic Isolation of Primary Microglia with Enhanced Purity and Versatility
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Cited by 22 •
2017
Here, we present a protocol to isolate microglia from postnatal mouse pups (day 1) for in vitro experimentation. This improvised method of isolation generates both high yield and purity, a significant advantage over alternate methods that allows broad range experimentation for the purposes of elucidating microglial biology.
08:02
Determination of Immune Cell Identity and Purity Using Epigenetic-Based Quantitative PCR
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Cited by 1 •
2020
Here we describe a robust method of determining immune cell identity and purity through epigenetic signatures detected using quantitative PCR (qPCR). DNA demethylation at a specific locus serves as a unique identifier for a particular cell type and allows for identification of CD8+, regulatory, or Th17 T cells.
07:18
Obtaining High-Quality Transcriptome Data from Cereal Seeds by a Modified Method for Gene Expression Profiling
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2020
A method for transcriptome profiling of cereals is presented. The microarray-based gene expression profiling starts with the isolation of high-quality total RNA from cereal grains and continues with the generation of cDNA. After cRNA labelling and microarray hybridization, recommendations are given for signal detection and quality control.
FAQs
Diagnostic markers provide genetic features that can be amplified from extracted genomic DNA and compared with a verified reference genotype. A matching marker profile supports the expected identity, whereas a discrepant profile can indicate contamination, admixture, or an unintended off-type. This comparison makes purity assessment an identity test rather than a visual judgment of plant appearance.
The reference genotype supplies the expected marker profile for the cereal line being examined. Without that benchmark, a PCR result cannot be reliably interpreted as matching or differing from the intended material. Using a verified reference therefore connects molecular observations to a specific genetic identity and helps distinguish genuine off-types from tissue that belongs to the target line.
PCR amplifies selected diagnostic regions of the extracted genomic DNA so their genetic profiles can be examined. These regions are chosen because they provide information relevant to distinguishing the expected genotype from other tissue. The resulting profile can then be compared with the reference, allowing the analysis to detect identity differences that may not be apparent from plant growth or morphology alone.
Leaf tissue or seedling tissue can provide the starting material for cereal tissue purity analysis. The selected material is collected, genomic DNA is extracted, and diagnostic regions are amplified for comparison with the verified reference genotype. Using plant tissue in this workflow connects the molecular result directly to the individual seedling or plant under evaluation.
The workflow begins by collecting leaf or seedling tissue from the material being evaluated. Genomic DNA is then extracted, diagnostic regions are amplified by PCR, and the resulting marker profile is compared with that of a verified reference genotype. This sequence links sample preparation, molecular amplification, and interpretation in a single identity-checking procedure.
Testing is useful when researchers need to confirm breeding lines, identify hybrids, or detect accidental mixing during seed multiplication. It also supports quality control in tissue culture, where maintaining the expected genotype is important. By identifying mismatched material before it enters further studies or production steps, the analysis supports more reliable selection and crop improvement work.
Verification protects valuable germplasm by confirming that experimental or breeding material carries the intended genetic identity. Detecting admixture or off-types reduces the risk of attributing observed results to the wrong genotype. This improves reproducibility across genetic studies, breeding decisions, seed multiplication, and crop improvement activities that depend on correctly identified cereal material.