Comparative analysis of 16S rRNA of bacteria associated with the ancient annelid Platynereis dumerilii: structural conservation across clades

Jae Ann Buenaluz; Wilhelm M. Javier; Eleanor S. Austria; Mary Jhane G. Valentino

doi:10.71336/jabs.1510

Authors

Jae Ann Buenaluz Biology Department, Adamson University, 900 San Marcelino St., Ermita Manila, Philippines https://orcid.org/0009-0006-9450-6206
Wilhelm M. Javier 1Biology Department, Adamson University, 900 San Marcelino St., Ermita Manila, Philippines https://orcid.org/0000-0001-6268-4901
Eleanor S. Austria Biology Department, Adamson University, 900 San Marcelino St., Ermita Manila, Philippines https://orcid.org/0000-0002-0203-2271
Mary Jhane G. Valentino Biology Department, Adamson University, 900 San Marcelino St., Ermita Manila, Philippines https://orcid.org/0000-0003-3814-5478

DOI:

https://doi.org/10.71336/jabs.1510

Keywords:

Annelids, Bacteria, Platynereis dumerilii, 16S rRNA

Abstract

The study dealt with the comparative analysis of the 16S rRNA of bacteria associated with Platynereis dumerii belonging to five major phyla namely Proteobacteria, Actinobacteria, Cyanobacteria,Femicutes, and Bacteroidetes, integrating their phylogenetic reconstruction and delineation. Maximum likelihood trees reveal consistent clustering of bacterial taxa into five major phyla.The phylogenetic coherence and conserved 16S rRNA motifs across clades suggest functional constraints and possible co-evolution with the host. These findings provide a molecular framework for understanding the evolutionary ecology of P. dumerilii-associated microbiota and highlight conserved ribosomal features as phylogenetic markers across bacterial lineages.

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Comparative analysis of 16S rRNA of bacteria associated with the ancient annelid Platynereis dumerilii: structural conservation across clades

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