Intra-Colonial Functional Differentiation-Related Modulation of the Cellular Membrane in a Pocilloporid Coral Seriatopora caliendrum

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• 作者：Chuan-Ho Tang ; Ping-Chang Ku ; Ching-Yu Lin ; Te-Hao Chen…
• 关键词：Aging ; Cellular performance ; Growth ; Molecular profiling ; Oxidative stress ; Phospholipid
• 刊名：Marine Biotechnology
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：17
• 期：5
• 页码：633-643
• 全文大小：939 KB
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• 作者单位：Chuan-Ho Tang (1) (2)
  Ping-Chang Ku (3)
  Ching-Yu Lin (4)
  Te-Hao Chen (1) (2)
  Kuo-Hsin Lee (5)
  Shu-Hui Lee (6)
  Wei-Hsien Wang (1) (3)
  
  1. Department of Biology, National Museum of Marine Biology and Aquarium, 2 Houwan Rd., Checheng, Pingtung, 944, Taiwan
  2. Institute of Marine Biology, National Dong Hwa University, Pingtung, 944, Taiwan
  3. Department of Marine Biotechnology and Resources and Asia-Pacific Ocean Research Center, National Sun Yat-Sen University, 70 Lien-hai Rd, Kaohsiung, 804, Taiwan
  4. Institute of Environmental Health, National Taiwan University, Taipei City, 100, Taiwan
  5. Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung, 824, Taiwan
  6. Central of General Education, National Kaohsiung Marine University, Kaohsiung, 811, Taiwan
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Oceanography
  
• 出版者：Springer New York
• ISSN：1436-2236

文摘

Scleractinian corals have displayed phenotypic gradients of polyps within a single genotypic colony, and this has profound implications for their biology. The intrinsic polymorphism of membrane lipids and the molecular interactions involved allow cells to dynamically organize their membranes to have physicochemical properties appropriate for their physiological requirements. To gain insight into the accommodation of the cellular membrane during ontogenetic shifts, intra-colony differences in the glycerophosphocholine profiling of a pocilloporid coral, Seriatopora caliendrum, were characterized using a previously validated method. Specifically, several major polyunsaturated phosphatidylcholines showed higher levels in the distal tissue of coral branches. In contrast, the corresponding molecules with 1--degree less unsaturation and plasmanylcholines were expressed more highly in the proximal tissue. The lipid profiles of these two colonial positions also contrasted sharply with regard to the saturated, monounsaturated, and lyso-glycerophosphocholine ratios. Based on the biochemical and biophysical properties of these lipids, the associated modulation of cellular membrane properties could be related to the physiological requirements, including coral growth and aging, of the functionally differentiated polyps. In this study, the metabolic regulation of membrane lipids involved in the functional differentiation of polyps within a S. caliendrum colony was identified.