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  2. Auxotrophy - Wikipedia

    en.wikipedia.org/wiki/Auxotrophy

    In genetics, a strain is said to be auxotrophic if it carries a mutation that renders it unable to synthesize an essential compound. For example, a yeast mutant with an inactivated uracil synthesis pathway gene is a uracil auxotroph (e.g., if the yeast Orotidine 5'-phosphate decarboxylase gene is inactivated, the resultant strain is a uracil ...

  3. Selectable marker - Wikipedia

    en.wikipedia.org/wiki/Selectable_marker

    Selectable markers allow scientists to separate non-recombinant organisms (those which do not contain the selectable marker) from recombinant organisms (those which do); that is, a recombinant DNA molecule such as a plasmid expression vector is introduced into bacterial cells, and some bacteria are successfully transformed while some remain non-transformed.

  4. Cloning vector - Wikipedia

    en.wikipedia.org/wiki/Cloning_vector

    Auxotrophic selection markers that allow an auxotrophic organism to grow in minimal growth medium may also be used; examples of these are LEU2 and URA3 which are used with their corresponding auxotrophic strains of yeast. [7] Another kind of selectable marker allows for the positive selection of plasmid with cloned gene.

  5. Yeast artificial chromosome - Wikipedia

    en.wikipedia.org/wiki/Yeast_artificial_chromosome

    Yeast artificial chromosomes (YACs) are genetically engineered chromosomes derived from the DNA of the yeast, Saccharomyces cerevisiae, which is then ligated into a bacterial plasmid. By inserting large fragments of DNA, from 100–1000 kb, the inserted sequences can be cloned and physically mapped using a process called chromosome walking .

  6. Mating of yeast - Wikipedia

    en.wikipedia.org/wiki/Mating_of_yeast

    The mating of yeast, also known as yeast sexual reproduction, is a biological process that promotes genetic diversity and adaptation in yeast species. Yeast species, such as Saccharomyces cerevisiae (baker's yeast), are single-celled eukaryotes that can exist as either haploid cells, which contain a single set of chromosomes , or diploid cells ...

  7. A Rhode Island man has admitted to using gasoline to set several fires around the exterior of a predominantly Black church earlier this year, according to a federal plea agreement.

  8. Schizosaccharomyces pombe - Wikipedia

    en.wikipedia.org/wiki/Schizosaccharomyces_pombe

    Schizosaccharomyces pombe, also called "fission yeast", is a species of yeast used in traditional brewing and as a model organism in molecular and cell biology. It is a unicellular eukaryote , whose cells are rod-shaped.

  9. Why not all 'high-protein' food products are good for you - AOL

    www.aol.com/why-not-high-protein-food-070000397.html

    Second, researchers included a specific definition for protein fortification. This, along with the criteria for nutrient composition analysis and the exclusion of items with unreadable images ...

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