The Distribution of Extracellular Cellulase Activity in Marine Eukaryotes, Thraustochytrids

Naoki Nagano, Shou Matsui, Tomoyo Kuramura, Yousuke Taoka, Daiske Honda, Masahiro Hayashi

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)


Cellulolytic ability was evaluated in 19 strains of thraustochytrids, representing nine genera, using carboxymethylcellulose (CMC) as a substrate. Extracellular cellulolytic enzyme activity was determined in the culture supernatants during cell growth. CMC hydrolysis was observed in 14 out of the 19 strains examined. These belonged to the genera Aplanochytrium, Botryochytrium, Oblongichytrium, Parietichytrium, Schizochytrium, Sicyoidochytrium, Thraustochytrium and Ulkenia. On the other hand, cellulolytic enzyme activity was not detected in any strains belonging to the genus Aurantiochytrium.

Original languageEnglish
Pages (from-to)133-136
Number of pages4
JournalMarine Biotechnology
Issue number2
Publication statusPublished - Apr 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Aquatic Science
  • Biotechnology


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