Sökning: "chromosome organization and structure"

Visar resultat 1 - 5 av 21 avhandlingar innehållade orden chromosome organization and structure.

  1. 1. A Unified Multitude : Experimental Studies of Bacterial Chromosome Organization

    Författare :Eva Garmendia; Diarmaid Hughes; Linus Sandegren; John R. Roth; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; bacterial evolution; chromosome organization and structure; chromosomal inversions; EF-Tu; horizontal gene transfer; Biologi med inriktning mot mikrobiologi; Biology with specialization in Microbiology;

    Sammanfattning : Bacteria are many, old and varied; different bacterial species have been evolving for millions of years and show many disparate life-styles and types of metabolism. Nevertheless, some of the characteristics regarding how bacteria organize their chromosomes are relatively conserved, suggesting that they might be both ancient and important, and that selective pressures inhibit their modification. LÄS MER

  3. 2. The Carboxyl Ester Lipase Gene. Organization, Evolution and Transcriptional Regulation in Exocrine Pancreas and Mammary Gland

    Författare :Ulf Lidberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NF-1; pseudogene; evolution; pancreas; carboxyl ester lipase; regulation; duplication; promoter; enhancer; locus; gene structure; mammary gland;

    Sammanfattning : The carboxyl ester lipase (CEL) is an important enzyme for the intestinal absorption of dietary lipids. In humans the gene is highly expressed in exocrine pancreas and in the lactating mammary gland. It is secreted in an inactive form and becomes activated by bile salts in the intestine. LÄS MER

  4. 3. The interplay between chromosome structure and meiotic integrity

    Författare :Ingrid Lilienthal; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Sexually reproducing organisms employ a specialized cell division called meiosis to form unique, haploid gametes from a diploid precursor cell. Upon fertilization, two opposite-sex gametes fuse to create a zygote that will develop into the offspring. LÄS MER

  5. 4. Thioredoxins and gene regulation in the Drosophila germline

    Författare :Malin J. Svensson; Jan Larsson; David Roberts; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Drosophila; thioredoxin; sex-specific; Pof; chromosome 4; gene regulation; kromosom 4; genreglering; Drosophila; thioredoxin; könsspecifik; Pof; Molecular biology; Molekylärbiologi;

    Sammanfattning : Spermatogenesen är i många organismer en av de mest dramatiska förvandlingar som en cell kan genomgå – en vanlig, rund, diploid cell omvandlas till en nålformad, haploid cell med ett tätt packat cellmaskineri. I bananfluga, Drosophila melanogaster, innebär denna process flera karaktäristiska stadier. LÄS MER

  7. 5. Structure and organization of genes for the predominant seminal plasma proteins semenogelin I, semenogelin II and beta-microseminoprotein

    Författare :Magnus Ulvsbäck; Malmö Klinisk kemi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Clinical chemistry; transglutaminase substrate; semen coagulation; prostate; seminal vesicles; seminal plasma; rhesus monkey; human; evolution; nucleic acid sequence; cDNA; gene; semenogelin; b-microseminoprotein; Klinisk kemi; Proteins; enzymology; Proteiner; enzymologi;

    Sammanfattning : In man, the predominant proteins in the seminal plasma include semenogelin I, semenogelin II and b-microseminoprotein (MSP). Semenogelin I and II are both synthesized in the seminal vesicles and are the backbone of the gel formed upon semen coagulation. MSP is synthesized in the prostate, but its role has not yet been defined. LÄS MER