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  2. URA3 - Wikipedia

    en.wikipedia.org/wiki/URA3

    URA3 is often used in yeast research as a "marker gene", that is, a gene to label chromosomes or plasmids. URA3 encodes Orotidine 5'-phosphate decarboxylase (ODCase) , which is an enzyme that catalyzes one reaction in the synthesis of pyrimidine ribonucleotides (a component of RNA ).

  3. Orotidine 5'-phosphate decarboxylase - Wikipedia

    en.wikipedia.org/wiki/Orotidine_5'-phosphate...

    In yeast and bacteria, OMP decarboxylase is a single-function enzyme.However, in mammals, OMP decarboxylase is part of a single protein with two catalytic activities.This bifunctional enzyme is named UMP synthase and it also catalyzes the preceding reaction in pyrimidine nucleotide biosynthesis, the transfer of ribose 5-phosphate from 5-phosphoribosyl-1-pyrophosphate to orotate to form OMP.

  4. 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 .

  5. 5-Fluoroorotic acid - Wikipedia

    en.wikipedia.org/wiki/5-Fluoroorotic_Acid

    5-Fluoroorotic acid (5FOA) is a fluorinated derivative of the pyrimidine precursor orotic acid. It is used in yeast genetics to select for the absence of the URA3 gene, which encodes the enzyme for the decarboxylation of 5-fluoroorotic acid to 5-fluorouracil , a toxic metabolite. [ 1 ]

  6. World’s oldest person Tomiko Itooka dies; Brazilian nun now ...

    www.aol.com/news/world-oldest-person-tomiko...

    Tomiko Itooka, a 116-year-old Japanese woman who became the oldest living person in August 2024, died on Dec. 29, 2024, according to Guinness World Records.

  7. Gene knockout - Wikipedia

    en.wikipedia.org/wiki/Gene_knockout

    A conditional gene knockout allows gene deletion in a tissue in a tissue specific manner. This is required in place of a gene knockout if the null mutation would lead to embryonic death, [13] or a specific tissue or cell type is of specific interest. This is done by introducing short sequences called loxP sites around the gene.

  8. Billy Idol's 3 Children: All About the 'Rebel Yell' Rocker's ...

    www.aol.com/billy-idols-3-children-rebel...

    Famed rock star Billy Idol has been thrilling audiences for over four decades, but he still makes time for his children and grandchildren. Idol, born William Michael Albert Broad, has three ...

  9. Murder investigation after woman's body found in Cavan - AOL

    www.aol.com/murder-investigation-launched-death...

    A murder investigation has been launched after the body of a woman in her 50s was found in County Cavan. Gardaí (Irish police) said they were called to a house in a rural area near Ballyconnell ...

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