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Chiasma Counting in Maize Male Meiocytes

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    Heterologous Expression and Purification of SARS-CoV2 Nucleocapsid Protein
    Authors:  Ankur Garg, Lihong Liu, David D. Ho and Leemor Joshua-Tor, date: 08/05/2020, view: 632, Q&A: 0
    This protocol describes a step by step method for heterologous expression of SARS-CoV2 Nucleocapsid (N) protein in Escherichia coli. Moreover, this protocol includes steps to purify the N protein to high purity and homogeneity. Thus, ...
    Barley Transformation by Particle Bombardment Using Callus
    Author:  Sung-Yong Kim, date: 06/05/2020, view: 364, Q&A: 0
    The delivery of desired construct into plant cells relies mainly on Agrobacterium-mediated transformation. However, Agrobacterium transformation is still very challenging for barley as only one genotype is amendable to ...
    Using Seed Chipping to Genotype Maize Kernels
    Authors:  Alison M. Mills, Lindy A. Allsman, Sareen Leon and Carolyn G. Rasmussen, date: 03/20/2020, view: 768, Q&A: 0
    Zea mays (maize) is an important model organism for studying monocot growth and development. Genotyping maize in the greenhouse or field can be time consuming and costly. Here, we describe a method to remove or chip a small amount of the ...
    Different Methods of Soil DNA Extraction
    Authors:  Asmita Kamble and Harinder Singh, date: 01/20/2020, view: 1563, Q&A: 0
    Soil is the major reservoir of microbial diversity. Only 1% of microbial diversity can be cultured while 99% is still not culturable. It is necessary to extract DNA from soil in order to explore the 99% microbial diversity, which will be useful to ...
    A Simple Protocol for Informative Visualization of Enriched Gene Ontology Terms
    Authors:  Titouan Bonnot, Morgane B. Gillard and Dawn H. Nagel, date: 11/20/2019, view: 3003, Q&A: 1
    In genome-scale datasets, Gene Ontology (GO) enrichment is a common analysis to highlight functions over-represented or under-represented in a subset of differentially expressed genes to elucidate the biological significance of the results. However, ...
    Modifications in the Transformation Step of Commercially Available Site-directed Mutagenesis Kit Increase Its Price-performance
    Authors:  Atta Ahmad, David F. Jahad, Hamzah Karimi, Mary A. Farwell, Jean-Luc Scemama and Cindy Putnam-Evans, date: 08/05/2019, view: 1144, Q&A: 0
    Site-directed mutagenesis helps unravel the relationship between the structure and function of a protein at the level of amino acid contributions. Many techniques have been established to carry out site-directed mutagenesis on a daily routine. ...
    Fluorescence Immunolocalization in Mitotic Chromosome Spreads from Maize Embryos
    Authors:  Jing-Han Liu, Ya-zhong Wang, Lin Chen and Yan He, date: 06/20/2019, view: 1275, Q&A: 0
    Immunolocalization is a necessary technique in the study of chromosome structure and function. It can provide important information for better understanding the relation between epigenetic modifications and chromosome condensation. In this protocol, ...
    Isolation of PCR-quality Genomic DNA from Soils Impacted with Extra Heavy Crude Oil
    Authors:  Laynet A. Puentes , Yusibeska L. Ramos, Ysvic A. Inojosa, César E. Rivera and Angela De Sisto, date: 06/20/2019, view: 1319, Q&A: 0
    For the study of microbial communities in samples of soils impacted with extra heavy crude oil, it is necessary to perform molecular analyses. Due to the difficulty of oil matrix handling, there are very few protocols reported in writing. Also, one ...
    Heat Induced Epitope Retrieval (HIER) Assisted Protein Immunostaining in Maize
    Authors:  Katsutoshi Tsuda and George Chuck, date: 06/05/2019, view: 1157, Q&A: 0
    Protein immunostaining provides important spatio-temporal information about gene expression. Even using high quality antibodies, signal reproducibility and specificity can be problematic depending on tissue fixation methods. For example, ...
    Western Blot in Maize
    Author:  María Jazmín Abraham-Juárez, date: 06/05/2019, view: 3171, Q&A: 0
    Since its introduction in 1979 (Towbin et al., 1979), protein blotting (Western blot) has become a routine tool in molecular biology research. It is used to detect low amounts of proteins in complex samples or to monitor protein expression ...



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