Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/49894
Title: Aminoacyl-tRNA synthetases activity as a growth index in zooplankton
Authors: Yebra, Lidia
Hernández-León, Santiago 
UNESCO Clasification: 251001 Oceanografía biológica
Keywords: Continuous Spectrophotometric Assay
Protein-Synthesis
Calanus-Finmarchicus
Metabolic-Regulation
Artemia-Salina, et al
Issue Date: 2004
Publisher: 0142-7873
Journal: Journal of Plankton Research 
Abstract: A simple method for the assay of aminoacyl-tRNA synthetases (AARS) activity was modified for application in planktonic crustaceans as an index of somatic growth. The cladoceran Daphnia magna was cultured in the laboratory and its AARS activity measured without substrate addition. The relationship between the enzyme activities of animals of similar age and individual biomass growing at different rates was tested. A significant relationship was found between AARS activity and somatic growth in terms of both protein and dry weight.
URI: http://hdl.handle.net/10553/49894
ISSN: 0142-7873
DOI: 10.1093/plankt/fbh028
Source: Journal of Plankton Research [ISSN 0142-7873], v. 26, p. 351-356
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