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Two different molecular defects in the Tva receptor gene explain the resistance of two tvar lines of chickens to infection by subgroup A avian sarcoma and leukosis viruses

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378050%3A_____%2F04%3A00105374" target="_blank" >RIV/68378050:_____/04:00105374 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Two different molecular defects in the Tva receptor gene explain the resistance of two tvar lines of chickens to infection by subgroup A avian sarcoma and leukosis viruses

  • Original language description

    We cloned the chicken tva cDNAs from two lines of subgroup A-susceptible chickens, line H6 and line 0. Two types of chicken tva(s) cDNAs were obtained. These cDNAs encode a longer and shorter form of the Tva receptor homologous to the Tva forms in quail.Two different defects were identified in cDNAs cloned from two different ASLV(A)-resistant inbred chickens, line C and line 7(2). Line C tva(r) contains a single base pair substitution, resulting in a cysteine-to-tryptophan change in the LDLR-like region of Tva. This mutation drastically reduces the binding affinity of Tva(R) for the ASLV(A) envelope glycoproteins. Line 7(2)tva(r2) contains a 4-bp insertion in exon 1 that causes a change in the reading frame, which blocks expression of the Tva receptor

  • Czech name

    Dva různé molekulární defekty genu pro receptor Tva vysvětlují odolnost dvou kuřecích linií tvar vůči infekci ptačími sarkomovými a leukózovými viry

  • Czech description

    Klonovali jsme kuřecí tva cDNA ze dvou linií kuřat náchylných vůči podskupině A ASLV, linii H6 a linii 0. Byly získány dva typy kuřecí tva(s) cDNA. Tyto cDNA kódují delší a kratší formu receptoru Tva homologní s Tva formami u křepelky. Byly identifikovány dva různé defekty v cDNA klonované ze dvou různých inbredních kuřat odolných vůči ASLV(A), linie C a linie 7(2). Linie C tva(r) obsahuje substituci jednoho páru bazí, což vede ke změně cysteinu na tryptofan v oblasti Tva podobné LDLR. Tato mutace drasticky snižuje afinitu Tva(R) k obalovým glykoproteinům ASLV(A). Linie 7(2)tva(r2) obsahuje inzerci 4 bp do exonu 1 způsobující změnu čtecího rámce, která blokuje expresi receptoru Tva

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EB - Genetics and molecular biology

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2004

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Virology

  • ISSN

    0022-538X

  • e-ISSN

  • Volume of the periodical

    78

  • Issue of the periodical within the volume

    24

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    12

  • Pages from-to

    13489-13500

  • UT code for WoS article

  • EID of the result in the Scopus database