Journal
PEERJ
Volume 9, Issue -, Pages -Publisher
PEERJ INC
DOI: 10.7717/peerj.12281
Keywords
Morphology; Phylogenetic analysis; Taxonomy; Parasitic barnacles; Host range; Korean Rhizocephala
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Funding
- National Institute of Biological Resources (NIBR) - Ministry of Environment (MOE) of the Republic of Korea [NIBR202102203, NIBR202102108]
- Ewha Womans University
- Hallyeohaesang National Park survey project - Korea National Park Service
- Showa Seitoku Memorial Foundation
- Korea Environmental Industry & Technology Institute (KEITI) [NIBR202102203, NIBR202102108] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The study conducted morphological and molecular analyses on Korean rhizocephalan barnacle species, uncovering new species and demonstrating that Korean species exhibit higher host specificity and lower infestation rates compared to rhizocephalans from other regions.
Morphological and molecular analyses of Korean rhizocephalan barnacle species were performed to examine their host ranges and taxonomy. Morphological examination and molecular analysis of mtDNA cox1, 16S, and nuclear 18S rRNA sequences revealed nine rhizocephalan species from three genera of the two families, Sacculinidae and Polyascidae. Phylogenetic analysis of molecular sequences revealed two new species candidates in the genus Parasacculina, and three Sacculina species (S. pilosella, S. pinnotherae, and S. imberbis) were transferred to the genus Parasacculina. Examination of host ranges revealed higher host specificity and lower infestation rates in Korean rhizocephalan species than rhizocephalans from other geographic regions. This is the first report of the taxonomy, species diversity, and host ranges of Korean parasitic rhizocephalan barnacles based on their morphological and molecular analyses. More information from extensive sampling of parasitic barnacles from a wide range of crustacean host species is necessary to fully understand their taxonomy, prevalence on decapod hosts, and phylogenetic relationships among major rhizocephalan taxa.
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