Major alteration of the expression site of endogenous cellulases in members of an apical termite lineage

Molecular Ecology
Gaku TokudaHiroaki Noda

Abstract

Termites are among the most important cellulose-digesting animals on earth, and are well-known for the symbiotic relationship they have with cellulolytic trichomonad and oxymonad flagellates (unicellular eukaryotes). Perhaps less well-known is the fact that approximately 75% of the approximately 2600 described termite species -- those belonging to the family Termitidae -- do not harbour such flagellates. Unlike most termites from other families, the majority of termitids do not consume wood, feeding instead on soil, leaf litter, fungi, grass, or lichen. Recent years have seen the characterization of the endogenous cellulase enzymes that help termites digest cellulose, from one flagellate-harbouring species (Reticulitermes speratus), as well as one termitid (Nasutitermes takasagoensis). The genes encoding the enzymes in these two termites are similar. However, their site of expression differs markedly -- the salivary glands in R. speratus and the midgut in N. takasagoensis. To investigate this difference further, we performed a comparative study of cellulase expression in various termitid and flagellate-harbouring species, using enzyme assays and reverse transcription polymerase chain reactions. Taxa from phylogenetically basal ...Continue Reading

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Citations

Aug 1, 2013·Applied Microbiology and Biotechnology·Helmut KönigJürgen Fröhlich
Jun 15, 2010·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·Rok KostanjšekJasna Strus
Mar 22, 2007·Biology Letters·Gaku Tokuda, Hirofumi Watanabe
Sep 17, 2009·Annual Review of Entomology·Hirofumi Watanabe, Gaku Tokuda
Mar 10, 2009·Bioscience, Biotechnology, and Biochemistry·Gaku ArakawaGaku Tokuda
Oct 17, 2012·PloS One·David Sillam-DussèsJan Šobotník
Apr 30, 2013·Biotechnology Advances·Jinfeng Ni, Gaku Tokuda
Jun 3, 2015·Pakistan Journal of Biological Sciences : PJBS·L J WongK L Chin
Mar 3, 2011·Cellular and Molecular Life Sciences : CMLS·Yuichi Hongoh
Oct 30, 2015·Archives of Insect Biochemistry and Physiology·Franziska WendeKlaus H Hoffmann
Apr 14, 2010·Biochemical and Biophysical Research Communications·Moon-Jung ChoTae-Jong Kim
Jun 3, 2008·Trends in Microbiology·Moriya Ohkuma
Jun 3, 2008·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Namjung KimByung Rae Jin
Apr 26, 2008·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Kentaro SakamotoHaruhiko Toyohara
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Feb 17, 2021·Archives of Insect Biochemistry and Physiology·Hee-Hoon Ahn, Tae-Jong Kim

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