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Bioaccumulation of Stentorin, the Probable Causative Agent for Discolored (“Purple”) Eggs and Ovaries in Blue Catfish (Ictalurus furcatus) from Eufaula Lake, Oklahoma, USA

Overview of attention for article published in Environmental Science & Technology, July 2015
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Title
Bioaccumulation of Stentorin, the Probable Causative Agent for Discolored (“Purple”) Eggs and Ovaries in Blue Catfish (Ictalurus furcatus) from Eufaula Lake, Oklahoma, USA
Published in
Environmental Science & Technology, July 2015
DOI 10.1021/acs.est.5b02273
Pubmed ID
Authors

Robert W. Gale, Diana M. Papoulias, Christopher J. Schmitt

Abstract

Observations of reddish to "purple" discolored eggs in the ovaries of adult female blue catfish (Ictalurus furcatus) from the northern arm of Eufaula Lake, a eutrophic multiuse impoundment in east-central Oklahoma, were first reported in 2006. Blue catfish eggs are normally cream to light yellow. Reports peaked in 2007-2008 and declined through 2009-2010; purple eggs have not been reported between 2010 and 2014. In the laboratory, all tissues and fluids of affected fish were strongly orange-red fluorescent under UV illumination, with the fluorescence most apparent in the lipid-rich ovaries and eggs. The causative agent was isolated chromatographically and confirmed by mass spectrometry as stentorin (1,3,4,6,8,10,11,13-octahydroxy-2,5-diisopropyl-phenanthro[1,10,9,8,o,p,q,r,a]perylene-7,14-dione), the fluorescent, lipophilic pigment associated with the photoreceptor protein of the ciliated protozoan Stentor coeruleus (Heterotrichea; Stentoridae). Larval medaka (Orizias latipes) readily consumed S. coeruleus in the laboratory and were observed to fluoresce in the same manner as the affected blue catfish. Potential deleterious effects of stentorin bioaccumulation remain to be determined, as do the geographic extent and the identities of other fluorescent compounds isolated from catfish eggs and ovaries.

Mendeley readers

The data shown below were compiled from readership statistics for 11 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 11 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 3 27%
Other 2 18%
Student > Doctoral Student 2 18%
Student > Bachelor 2 18%
Librarian 1 9%
Other 0 0%
Unknown 1 9%
Readers by discipline Count As %
Medicine and Dentistry 2 18%
Agricultural and Biological Sciences 2 18%
Environmental Science 1 9%
Veterinary Science and Veterinary Medicine 1 9%
Biochemistry, Genetics and Molecular Biology 1 9%
Other 0 0%
Unknown 4 36%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 30 November 2020.
All research outputs
#17,287,562
of 19,529,814 outputs
Outputs from Environmental Science & Technology
#16,641
of 18,126 outputs
Outputs of similar age
#343,918
of 410,658 outputs
Outputs of similar age from Environmental Science & Technology
#233
of 243 outputs
Altmetric has tracked 19,529,814 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 18,126 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 243 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.