Journal
JOURNAL OF PROTEOMICS
Volume 148, Issue -, Pages 57-64Publisher
ELSEVIER
DOI: 10.1016/j.jprot.2016.07.023
Keywords
Jellyfish; Cyanea nozakii; Toxin; Venom; Transcriptomics; Proteomics
Categories
Funding
- National Natural Science Foundation of China [41406152, 41376004]
- Public Science and Technology Research Funds Projects of Ocean [201305016-2]
- Science and Technology Development Plan Project of Shandong Province [2015GSF115034, 2015GSF115022]
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Jellyfish sting has become a worldwide issue of critical concern to human health and safety in coastal areas in recent decades. Cyanea nozakii is one of the dominant blooming species and dangerous stingers in China. However, it remains unclear how many and what types of toxins are present in the venom. So, we used a combined transcriptomics and proteomics approach to investigate the venom composition of jellyfish C. nozakii. In total 4,608,524 Illumina valid reads were obtained to de novo assemble to 40,434 unigenes in the transcriptomics analysis. And, a total of 311,635 MS/MS spectra with 12,247 unique MS/MS spectra were generated to 1556 homologous proteins in the proteomics analysis. 174 potential toxin proteins were identified, with 27 proteins homology to the toxins from venomous animals, including phospholipase A2, zinc metalloproteinase-disintegrin agkistin, serine protease inhibitor, plancitoxin-1, alpha-latrocrustotoxin-Ltla, etc. This study described the transcriptomics and venom proteomics of jellyfish C nozakii for the first time. Our findings provide a comprehensive understanding of the venom composition of C nozakii. Furthermore, the results may also be very helpful for the discovery of novel bioactive proteins, as well as the development of effective treatments for jellyfish sting in the future. Biological significance: Jellyfish Cyanea nozakii is one of the most dangerous stingers in the coast of china. Hundreds of thousands of people would be stung every year and victims suffered a severe pain, itch, swelling, inflammation, wheal and even more serious consequence. However, it remains unclear how many and what types of toxins are present as well as the relationship between the clinical symptoms and toxins. Our combined transcriptomics and proteomics findings can provide a comprehensive understanding of the venom composition of C nozakii and will also be helpful for the development of effective treatments for jellyfish sting in the future. (C) 2016 Published by Elsevier B.V.
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