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Title: Animal cellulases with a focus on aquatic invertebrates
Authors: Tanimura, Aya
Liu, Wen  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-6139-3707 (unconfirmed)
Yamada, Kyohei
Kishida, Takushi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-2220-7892 (unconfirmed)
Toyohara, Haruhiko  kyouindb  KAKEN_id
Author's alias: 谷村, 彩
豊原, 治彦
Keywords: Breakdown
Cellulase
Cellulose
Endo-β-1, 4-glucanase
Endogenous
GHF9
Invertebrate
Symbiosis
Issue Date: Jan-2013
Publisher: Springer Japan
Journal title: Fisheries Science
Volume: 79
Issue: 1
Start page: 1
End page: 13
Abstract: Cellulose is utilized as a nutritional source by various organisms. For a long time it was believed that only protozoa, bacteria, and fungi, in addition to plants and photosynthetic bacteria, are able to synthesize cellulases encoded by their own genes. However, the widespread distribution of cellulases throughout the animal kingdom has recently been recognized. Conventionally, animals digest cellulose utilizing cellulases derived from symbiotic bacteria in the digestive organs. However, recent molecular biological studies have shown that some cellulase genes are actually encoded on animal chromosomes. In addition, the homologous primary structure of cellulases obtained from various invertebrate phyla indicates the possible vertical transfer of the cellulase gene from ancient organisms that are now extinct. The results of studies on cellulases with unique enzymatic properties are expected to be applied to bioethanol production and aquaculture. In the present review, we describe cellulases, focusing primarily on aquatic invertebrates in which both endogenous and exogenous cellulases are involved in the breakdown of cellulose in the digestive organs.
Rights: The final publication is available at www.springerlink.com
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/169682
DOI(Published Version): 10.1007/s12562-012-0559-4
Appears in Collections:Journal Articles

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