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Evolutionary conservation of maternal RNA localization in fishes and amphibians revealed by TOMO-Seq

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    0559401 - BTÚ 2023 RIV US eng J - Journal Article
    Naraine, Ravindra - Iegorova, Viktoriia - Abaffy, Pavel - Franěk, R. - Soukup, V. - Pšenička, M. - Šindelka, Radek
    Evolutionary conservation of maternal RNA localization in fishes and amphibians revealed by TOMO-Seq.
    Developmental Biology. Roč. 489, SEP 2022 (2022), s. 146-160. ISSN 0012-1606. E-ISSN 1095-564X
    R&D Projects: GA ČR(CZ) GA19-11313S
    Institutional support: RVO:86652036
    Keywords : Egg * RNA localization * TOMO-Seq * Amphibians * Fishes * evo devo
    OECD category: Biochemistry and molecular biology
    Impact factor: 2.7, year: 2022
    Method of publishing: Open access
    https://www.sciencedirect.com/science/article/pii/S0012160622001300?via%3Dihub

    Asymmetrical localization of biomolecules inside the egg, results in uneven cell division and establishment of many biological processes, cell types and the body plan. However, our knowledge about evolutionary conservation of localized transcripts is still limited to a few models. Our goal was to compare localization profiles along the animal-vegetal axis of mature eggs from four vertebrate models, two amphibians (Xenopus laevis, Ambystoma mexicanum) and two fishes (Acipenser ruthenus, Danio rerio) using the spatial expression method called TOMO-Seq. We revealed that RNAs of many known important transcripts such as germ layer determinants, germ plasm factors and members of key signalling pathways, are localized in completely different profiles among the models. It was also observed that there was a poor correlation between the vegetally localized transcripts but a relatively good correlation between the animally localized transcripts. These findings indicate that the regulation of embryonic development within the animal kingdom is highly diverse and cannot be deduced based on a single model.
    Permanent Link: https://hdl.handle.net/11104/0340732

     
     
Number of the records: 1  

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