NDLI: Individual- and population-level effects of antibiotics on the rotifers, Brachionus calyciflorus and B. plicatilis

Content Provider	Springer Nature Link
Author	Araujo, Adriana McNair, James N.
Copyright Year	2007
Abstract	The toxicity of three common antibiotics (streptomycin sulfate, tetracycline hydrochloride, and tylosin tartrate) to the freshwater rotifer Brachionus calyciflorus and brackish-water rotifer B. plicatilis was investigated using full-lifespan exposure durations. Effects of each antibiotic on lifespan, lifetime reproduction, and Malthusian parameter were assessed at seven nominal concentrations (ranging from 5.6 mg l−1 to 2,000 mg l−1) and a negative control. Lowest Observed Effect Concentrations (LOECs) were determined for reproduction and lifespan, while 1%, 10%, 25%, and 50% Inhibitory Concentrations (IC1, IC10, IC25, IC50) and 95% confidence intervals were estimated for all three endpoints. LOECs ranged from 5.6 mg l−1 to 90 mg l−1, with all LOECs less than 90 mg l−1 occurring in B. calyciflorus. The lowest IC1 concentrations were 3.91 mg l−1 for the effect of tetracycline on lifetime reproduction in B. calyciflorus and 4.06 mg l−1 for the effect of tylosin on lifetime reproduction in B. plicatilis. Overall, lifetime reproduction was the most sensitive endpoint and the Malthusian parameter was the least sensitive. IC1 values for lifetime reproduction were roughly one to two orders of magnitude lower than the corresponding IC50 values.
Starting Page	185
Ending Page	199
Page Count	15
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	593
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-08-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Rotifer Antibiotics Toxicity Offspring Lifespan Zoology Ecology Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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