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Characteristics and evolution of satellite DNA sequences in bivalve mollusks

Šatović, Eva; Vojvoda Zeljko, Tanja; Plohl, Miroslav
Characteristics and evolution of satellite DNA sequences in bivalve mollusks // The European Zoological Journal, 85 (2018), 1; 95-104 doi:10.1080/24750263.2018.1443164 (međunarodna recenzija, pregledni rad, znanstveni)

Characteristics and evolution of satellite DNA sequences in bivalve mollusks

Šatović, Eva ; Vojvoda Zeljko, Tanja ; Plohl, Miroslav

The European Zoological Journal (2475-0263) 85 (2018), 1; 95-104

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, pregledni rad, znanstveni

Ključne riječi
Bivalves ; mollusks ; satellite DNA ; repetitive DNA sequences ; evolution

Mollusks of the class Bivalvia have attracted attention because of the extraordinarily important roles they play in marine ecosystems and in aquaculture. Data obtained from genetic studies performed on these species are accumulating rapidly, particularly in recent years when several genomic and transcriptomic studies have been carried out, or are in progress. Despite this, knowledge concerning satellite DNAs, tandemly repeated non-coding genomic sequences important for comprehending genomic architecture and function as a whole, is fragmentary and limited to a relatively small number of mollusk species. Here, we present an overview of the studied satellite DNAs and their characteristics in bivalve mollusks, and discuss the implications of these results. In addition to the general features common for these sequences, bivalve satellite DNAs show some distinct specificities which may be intriguing for the broad scientific community involved in unravelling repetitive genome components. The most striking are low genomic contribution, diversity of sequence families, extremely old ancestry, links with mobile elements, and unusual methylation patterns. Although current results were obtained in classical studies on individual species and their satellite DNA families, it can be postulated that they defined fundamental characteristics of these sequences in bivalve species generally, and will be further explored in detail by future satellitome and other high-throughput studies.

Izvorni jezik

Znanstvena područja


Institut "Ruđer Bošković", Zagreb

Časopis indeksira:

  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI