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Hydrogen peroxide released from Pyropia yezoensis induced by oligo-porphyrans: Mechanisms and effect
Hou, Yun1,2; Wang, Jing1,3; Simerly, Thomas4; Jin, Weihua1; Zhang, Hong1; Zhang, Quanbin1,3
2015-08-01
Source PublicationJOURNAL OF APPLIED PHYCOLOGY
Volume27Issue:4Pages:1639-1649
SubtypeArticle
AbstractPorphyran, a sulfated galactan, is the main cellular polysaccharide in the marine red alga Pyropia yezoensis. In this study, oligo-porphyrans, obtained by acid hydrolysis of porphyran, were investigated for their H2O2-inducing abilities in the defense responses of P. yezoensis. Oligo-porphyrans with average molecular weights (MWs) lower than 1.43 kDa had H2O2-inducing abilities. In contrast, oligo-porphyrans with average MWs of 6.12 kDa triggered no response. The active oligo-porphyrans were fractioned by anion-exchange chromatography. We found that two distinct mechanisms might be involved in the oligo-porphyran-induced H2O2 release in P. yezoensis. Mixtures of mono-sulfated oligogalactans with degrees of polymerization (DPs) ranging from 1 to 3 might induce the response through the oxidation of cellular oligosaccharides, which enable P. yezoensis to resist rotting caused by dense incubation. Mixtures of oligoporphyrans, consisting of 4 similar to 7 monosaccharide residues and 2 similar to 3 sulfate groups, might induce the generation of H2O2 by activation of NADPH oxidase, leading to an oxidative burst in P. yezoensis. The elicitor activity of oligo-porphyrans thus depends on their molecular size.
KeywordCarbohydrate Oxidase Defense Responses Hydrogen Peroxide Nadhp Oxidase Oligo-porphyran Pyropia Yezoensis
DOI10.1007/s10811-014-0471-7
Indexed BySCI
Language英语
WOS IDWOS:000357448900026
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/48987
Collection海洋生物技术研发中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Nantong Branch, Inst Oceanol, Nantong 226006, Jiangsu, Peoples R China
4.E Tennessee State Univ, Dept Biomed Sci, James H Quillen Coll Med, Johnson City, TN 37614 USA
Recommended Citation
GB/T 7714
Hou, Yun,Wang, Jing,Simerly, Thomas,et al. Hydrogen peroxide released from Pyropia yezoensis induced by oligo-porphyrans: Mechanisms and effect[J]. JOURNAL OF APPLIED PHYCOLOGY,2015,27(4):1639-1649.
APA Hou, Yun,Wang, Jing,Simerly, Thomas,Jin, Weihua,Zhang, Hong,&Zhang, Quanbin.(2015).Hydrogen peroxide released from Pyropia yezoensis induced by oligo-porphyrans: Mechanisms and effect.JOURNAL OF APPLIED PHYCOLOGY,27(4),1639-1649.
MLA Hou, Yun,et al."Hydrogen peroxide released from Pyropia yezoensis induced by oligo-porphyrans: Mechanisms and effect".JOURNAL OF APPLIED PHYCOLOGY 27.4(2015):1639-1649.
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