Autor: Rogalska, Anna - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Mechanizmy zmian genomowych i zmian w ekspresji genów w mieszańcowych poliploidach roślin
Mechanisms of genome changes and gene exression in plant hybrid polyploids
Autorzy:: Rogalska, Stanisława
Achrem, Magdalena
Kalinka, Anna
Powiązania:: https://bibliotekanauki.pl/articles/1197748.pdf
Data publikacji:: 2007
Wydawca:: Polskie Towarzystwo Przyrodników im. Kopernika
Opis:: Polyploidy is created by multiplication of a single genome or combination of different genomes (allopolyploids). This paper reviews literature data obtained from a study of synthetic plant allopolyploids. The available data shed light on: dynamic and stochastic changes in genome structure and function, genome and sequences elimination, changes in gene control systems and expression, novel activation and gene repression, epigenetic changes, transposons activation and RNA role in gene regulation.
Źródło:: Kosmos; 2007, 56, 3-4; 421-433
0023-4249
Pojawia się w:: Kosmos
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Genetyczne elementy ruchome u roślin i innych organizmów
Genetic mobile elements in plants and other organisms
Autorzy:: Rogalska, Stanisława
Kalinka, Anna
Achrem, Magdalena
Słomińska-Walkowiak, Renata
Skuza, Lidia
Filip, Ewa
Powiązania:: https://bibliotekanauki.pl/articles/1199355.pdf
Data publikacji:: 2004
Wydawca:: Polskie Towarzystwo Przyrodników im. Kopernika
Opis:: In this review the types of mobile genetic elements in prokaryotes and eukaryotes are presented. There is also information about their molecular characteristics, mechanisms ofmoving, evolution and their influence on genome structure and gene activity in organisms of plants, insects and humans. Transposable elements are abundant in genomes of lower and higher organisms. Mobile genetic elements are divided into two main groups: transposons and retrotransposons. The transposons, or "jumping genes" are fragments of DNA capable of moving, from a plasmid to another plasmid (or chromosome) in prokaryotes, and from one part of a chromosome to another (or to another chromosome) in eukaryotes. Transposons become transposed directly fromDNA to DNA eg. the Ac element of maize and the P element of Drosophila are similar to bacterial transposons. Retrotransposons accomplish transposition via an RNA intermediate that is reverse transcribed before integration into a new location within the host genome. They are ubiquitous in eukaryotes and constitute amajor portion of the nuclear genome in humans, animals and plants. They are dispersed as interspersed repetitive sequences through out the genome. Retrotransposons can be divided into two sub-groups: viral retrotransposons eg. Ty (yeast), copia (fruit fly), Bs1 (maize), LINEs (mammals), Cin4 (maize) and non-viral retrotransposons which comprise SINEs and processed pseudogenes. The properties of the genetic mobile elements have been exploited as genetic tools for plant genome analysis.
Źródło:: Kosmos; 2004, 53, 3-4; 325-342
0023-4249
Pojawia się w:: Kosmos
Dostawca treści:: Biblioteka Nauki

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