16S-23S rRNA Internal Transcribed Spacer Region ( ITS ) Sequencing: A Potential Molecular Diagnostic Tool for Differentiating Lactococcus garvieae and Lactococcus petauri

is the etiological agent of lactococcosis, a clinically and economically significant infectious disease affecting farmed rainbow trout. had been considered the only cause of lactococcosis for a long time; however, , another species of the genus , has lately been linked to the same disease. The genom...

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Veröffentlicht in:Microorganisms (Basel) 2023-05, Vol.11 (5), p.1320
Hauptverfasser: Stoppani, Nadia, Colussi, Silvia, Pastorino, Paolo, Prearo, Marino, Sciuto, Simona, Altinok, Ilhan, Öztürk, Rafet Çağrı, Ture, Mustafa, Vela, Ana Isabel, Blanco, Maria Del Mar, Kotzamanidis, Charalampos, Bitchava, Konstantina, Malousi, Andigoni, Fariano, Lucio, Volpatti, Donatella, Acutis, Pier Luigi, Fernández-Garayzábal, Jose Francisco
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Sprache:eng
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Zusammenfassung:is the etiological agent of lactococcosis, a clinically and economically significant infectious disease affecting farmed rainbow trout. had been considered the only cause of lactococcosis for a long time; however, , another species of the genus , has lately been linked to the same disease. The genomes and biochemical profiles of and have a high degree of similarity. Traditional diagnostic tests currently available cannot distinguish between these two species. The aim of this study was to use the transcribed spacer (ITS) region between 16S rRNA and 23S rRNA as a potential useful molecular target to differentiate from , saving time and money compared to genomics methods currently used as diagnostic tools for accurate discrimination between these two species. The region of 82 strains was amplified and sequenced. The amplified fragments varied in size from 500 to 550 bp. Based on the sequence, seven SNPs were identified that separate from . The 16S-23S rRNA ITS region has enough resolution to distinguish between closely related and and it can be used as a diagnostic marker to quickly identify the pathogens in a lactococcosis outbreak.
ISSN:2076-2607
2076-2607
DOI:10.3390/microorganisms11051320