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Rapid and accurate species-specific PCR for the identification of lethal Chironex box jellyfish in Thailand
Sathirapongsasuti, N.; Khonchom, K.; Poonsawat, T.; Pransilpa, M.; Ongsara, S.; Detsri, U.; Bungbai, S.; Lawanangkoon, S.; Pattanaporkrattana, W.; Trakulsrichai, S. (2021). Rapid and accurate species-specific PCR for the identification of lethal Chironex box jellyfish in Thailand. International Journal of Environmental Research and Public Health 18(1): 219. https://dx.doi.org/10.3390/ijerph18010219
In: International Journal of Environmental Research and Public Health. MDPI AG: Basel. ISSN 1660-4601
|   |
| Trefwoorden |
Chironex Southcott, 1956 [WoRMS]
Marien/Kust |
| Author keywords |
Chironex; box jellyfish; species identification; species-specific PCR |
| Auteurs | | Top |
- Sathirapongsasuti, N.
- Khonchom, K.
- Poonsawat, T.
- Pransilpa, M.
|
- Ongsara, S.
- Detsri, U.
- Bungbai, S.
|
- Lawanangkoon, S.
- Pattanaporkrattana, W.
- Trakulsrichai, S.
|
| Abstract |
Box jellyfish are extremely potent venom-producing marine organisms. While they have been found worldwide, the highest health burden has been anticipated to be the tropical Indo-Pacific of Southeast Asia (SEA). At least 12 Cubozoan species have now been documented in Thai waters, and many of them inflict acutely lethal strings, especially those under the order Chirodropida. Our previous study has successfully differentiated species of box jellyfish using DNA sequencing to support the morphological study. In this study, we specifically designed polymerase chain reaction (PCR) primers for the 16S ribosomal RNA (rRNA) gene and the mitochondrial DNA cytochrome oxidase subunit I (COI) gene of lethal Thai Chironex species. The SYBR green-based real-time PCR panel was performed for rapid species identification. The sensitivity and specificity of the panel were determined by testing samples of different species. Moreover, we applied the panel to the tentacle sample from a real patient, which helped confirm the animal-of-cause of envenomation. Our results show a success for species identification of box jellyfish using 16S rRNA and COI PCR panel, which revealed congruence between molecular and morphological identification. Furthermore, the panel worked very well with the unknown samples and jellyfish tissue from the real envenomation case. The results demonstrated that molecular panels were able to identify three species of Chironex box jellyfish both rapidly and accurately, and can be performed without having a complete specimen or morphological study. |
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