Journal of Oceanology and Limnology

, Volume 36, Issue 2, pp 438–449 | Cite as

Effects of dietary supplementation of Ulva pertusa and non-starch polysaccharide enzymes on gut microbiota of Siganus canaliculatus

  • Xinxu Zhang (张新旭)
  • Huijuan Wu (吴惠娟)
  • Zhongzhen Li (李忠贞)
  • Yuanyou Li (李远友)
  • Shuqi Wang (王树启)
  • Dashi Zhu (朱大世)
  • Xiaobo Wen (温小波)
  • Shengkang Li (李升康)


Fishes represent the highest diversity of vertebrates; however, our understanding of the compositions and functions of their gut microbiota is limited. In this study, we provided the first insight into the gut microbiota of the herbivorous fish Siganus canaliculatus by using three molecular ecology techniques based on the 16S rRNA genes (denaturing gradient gel electrophoresis, clone library construction, and highthroughput Illumina sequencing), and the Illumina sequencing technique is suggested here due to its higher overall coverage of the total 16S rRNA genes. A core gut microbiota of 29 bacterial groups, covering >99.9% of the total bacterial community, was found to be dominated by Proteobacteria and Firmicutes in fish fed three different diets with/without the supplementation of Ulva pertusa and non-starch polysaccharide (NSP) enzymes (cellulase, xylanase, and β-glucanase). Diverse potential NSP-degrading bacteria and probiotics (e.g., Ruminococcus, Clostridium and Lachnospiraceae) were detected in the intestine of the fish fed U. pertusa, suggesting that these microorganisms likely participated in the degradation of NSPs derived from U. pertusa. This study supports our previous conclusion that U. pertusa-based diets are suitable for the production of S. canaliculatus with lower costs without compromising quality.


aquaculture gut microbiota Siganus canaliculatus 16S rRNA gene Ulva pertusa 


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We thank Prof. WEI Chiju of Shantou University for critical discussion and proof-reading of the manuscript.

Supplementary material

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Copyright information

© Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  • Xinxu Zhang (张新旭)
    • 1
    • 2
  • Huijuan Wu (吴惠娟)
    • 1
    • 2
  • Zhongzhen Li (李忠贞)
    • 1
    • 2
  • Yuanyou Li (李远友)
    • 1
    • 2
  • Shuqi Wang (王树启)
    • 1
    • 2
  • Dashi Zhu (朱大世)
    • 1
    • 2
  • Xiaobo Wen (温小波)
    • 1
    • 2
  • Shengkang Li (李升康)
    • 1
    • 2
  1. 1.Guangdong Provincial Key Laboratory of Marine BiotechnologyShantou UniversityShantouChina
  2. 2.Marine Biology InstituteShantou UniversityShantouChina

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