Morphological and molecular characterization of Heterosaccus papillosus Boschma, 1933 (Rhizocephala: Sacculinidae) and its effects on the swimming crab Charybdis anisodon De Haan, 1850 (Decapoda: Portunidae) in Nha Trang Bay, Vietnam.
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Zootaxa
2025
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| author | Oanh, LE Thi Kieu Hoang, Anh Thi Ngoc Vu, Thanh Quyet Ha, Vo Thi Tran, Sang Quang Truong, Oanh Thi Glenner, Henrik Dang, Binh Thuy |
| author_facet | Oanh, LE Thi Kieu Hoang, Anh Thi Ngoc Vu, Thanh Quyet Ha, Vo Thi Tran, Sang Quang Truong, Oanh Thi Glenner, Henrik Dang, Binh Thuy Oanh, LE Thi Kieu Hoang, Anh Thi Ngoc Vu, Thanh Quyet Ha, Vo Thi Tran, Sang Quang Truong, Oanh Thi Glenner, Henrik Dang, Binh Thuy |
| collection | PubMed - marine biology |
| contents | Morphological and molecular characterization of Heterosaccus papillosus Boschma, 1933 (Rhizocephala: Sacculinidae) and its effects on the swimming crab Charybdis anisodon De Haan, 1850 (Decapoda: Portunidae) in Nha Trang Bay, Vietnam. Oanh, LE Thi Kieu Hoang, Anh Thi Ngoc Vu, Thanh Quyet Ha, Vo Thi Tran, Sang Quang Truong, Oanh Thi Glenner, Henrik Dang, Binh Thuy Animals Male Female Phylogeny Vietnam Brachyura Body Size RNA, Ribosomal, 18S Organ Size Animal Structures Animal Distribution Rhizocephala parasites, particularly Heterosaccus papillosus (Boschma), profoundly affect the morphology and physiology of their crustacean hosts, including the economically valuable swimming crab Charybdis anisodon (De Haan). This study provides a comprehensive analysis of H. papillosus in Vietnam, integrating detailed morphological description with molecular phylogenetic analysis using 18S rDNA and COI mtDNA. We confirm the parasites identity but uncover a substantial COI mtDNA divergence compared to GenBank sequences. This study documented an 11% infection rate, with host sex and size influencing prevalence. Notably, H. papillosus induced significant morphological modifications in C. anisodon, including abdominal segment expansion in males and pleopod degeneration in both sexes. These results emphasize the need for integrated taxonomic approaches and highlight the substantial impact of rhizocephalan parasitism on economically significant crab populations. |
| format | Artículo científico |
| id | pubmed_41119351 |
| institution | PubMed |
| language | en |
| publishDate | 2025 |
| publisher | Zootaxa |
| record_format | pubmed |
| spellingShingle | Morphological and molecular characterization of Heterosaccus papillosus Boschma, 1933 (Rhizocephala: Sacculinidae) and its effects on the swimming crab Charybdis anisodon De Haan, 1850 (Decapoda: Portunidae) in Nha Trang Bay, Vietnam. Oanh, LE Thi Kieu Hoang, Anh Thi Ngoc Vu, Thanh Quyet Ha, Vo Thi Tran, Sang Quang Truong, Oanh Thi Glenner, Henrik Dang, Binh Thuy Animals Male Female Phylogeny Vietnam Brachyura Body Size RNA, Ribosomal, 18S Organ Size Animal Structures Animal Distribution Morphological and molecular characterization of Heterosaccus papillosus Boschma, 1933 (Rhizocephala: Sacculinidae) and its effects on the swimming crab Charybdis anisodon De Haan, 1850 (Decapoda: Portunidae) in Nha Trang Bay, Vietnam. Oanh, LE Thi Kieu Hoang, Anh Thi Ngoc Vu, Thanh Quyet Ha, Vo Thi Tran, Sang Quang Truong, Oanh Thi Glenner, Henrik Dang, Binh Thuy Animals Male Female Phylogeny Vietnam Brachyura Body Size RNA, Ribosomal, 18S Organ Size Animal Structures Animal Distribution Rhizocephala parasites, particularly Heterosaccus papillosus (Boschma), profoundly affect the morphology and physiology of their crustacean hosts, including the economically valuable swimming crab Charybdis anisodon (De Haan). This study provides a comprehensive analysis of H. papillosus in Vietnam, integrating detailed morphological description with molecular phylogenetic analysis using 18S rDNA and COI mtDNA. We confirm the parasites identity but uncover a substantial COI mtDNA divergence compared to GenBank sequences. This study documented an 11% infection rate, with host sex and size influencing prevalence. Notably, H. papillosus induced significant morphological modifications in C. anisodon, including abdominal segment expansion in males and pleopod degeneration in both sexes. These results emphasize the need for integrated taxonomic approaches and highlight the substantial impact of rhizocephalan parasitism on economically significant crab populations. |
| title | Morphological and molecular characterization of Heterosaccus papillosus Boschma, 1933 (Rhizocephala: Sacculinidae) and its effects on the swimming crab Charybdis anisodon De Haan, 1850 (Decapoda: Portunidae) in Nha Trang Bay, Vietnam. |
| topic | Animals Male Female Phylogeny Vietnam Brachyura Body Size RNA, Ribosomal, 18S Organ Size Animal Structures Animal Distribution |
| url | https://pubmed.ncbi.nlm.nih.gov/41119351/ |