2000 journal article

Identification of gender and reproductive maturity in the absence of gonads: muscle tissue levels of sex steroids and vitellogenin in gag (Mycteroperca microlepis)

Canadian Journal of Fisheries and Aquatic Sciences, 57(1), 148–159.

By: S. Heppell* & C. Sullivan*

TL;DR: Sensitive immunoassays were utilized to measure levels of the sex steroids estradiol-17beta (E2), testosterone (T), and 11-ketotestosterone (11KT) and the egg-yolk precursor vitellogenin (VTG) in gag on a quarterly basis and found that males were significantly higher in males than in adult females or immature fish. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Enzyme-linked immunosorbent assay (ELISA) of vitellogenin in temperate basses (Genus Morone): Plasma and in vitro analyses

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY, 128(3), 532–541.

By: S. Heppell n, L. Jackson n, G. Weber n & C. Sullivan n

TL;DR: Blood levels of the egg yolk precursor vitellogenin (VTG) can be used as a definitive marker for the onset and progress of maturation in female teleosts and an enzyme-linked immunosorbent assay (ELISA) was developed to measure VTG in blood plasma from three species of temperate basses. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Fathead minnow (Pimephales promelas) vitellogenin: purification, characterization and quantitative immunoassay for the detection of estrogenic compounds

COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLOGY & PHARMACOLOGY, 123(2), 113–125.

By: L. Parks n, A. Cheek*, N. Denslow*, S. Heppell n, J. McLachlan*, G. LeBlanc n, C. Sullivan n

author keywords: enzyme-linked immunosorbant assay (ELISA); fathead minnow; vitellogenin; estrogenic compounds; 17 beta-estradiol; toxicology; reproduction; ovary
MeSH headings : Amino Acid Sequence; Animals; Blotting, Western; Chromatography, Ion Exchange; Cyprinidae; Environmental Monitoring; Enzyme-Linked Immunosorbent Assay / methods; Estrogens / analysis; Male; Molecular Sequence Data; Reproducibility of Results; Vitellogenins / biosynthesis; Vitellogenins / chemistry; Vitellogenins / isolation & purification
TL;DR: The VTG ELISA could be useful for the detection of estrogenic properties associated with certain compounds and could be easily incorporated into standard laboratory toxicity assays using this species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 journal article

Gag (Mycteroperca microlepis) vitellogenin: purification, characterization and use for enzyme-linked immunosorbent assay (ELISA) of female maturity in three species of grouper

FISH PHYSIOLOGY AND BIOCHEMISTRY, 20(4), 361–374.

By: S. Heppell n & C. Sullivan n

author keywords: maturity; maturity schedule; Nassau; red hind; reproduction; vitellogenesis
TL;DR: Purification and partial characterization of VTG from a temperate marine serranid, the gag, and development of a competitive, enzyme-linked immunosorbent assay (ELISA) for gag VTG (gVTG) are reported on. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1994 journal article

EVALUATING MANAGEMENT ALTERNATIVES FOR RED-COCKADED WOODPECKERS - A MODELING APPROACH

JOURNAL OF WILDLIFE MANAGEMENT, 58(3), 479–487.

By: S. Heppell*, . Walters & L. Crowder

author keywords: COOPERATIVE BREEDER; ENDANGERED SPECIES; MATRIX MODEL; NORTH-CAROLINA; PICOIDES-BOREALIS, RED-COCKADED WOODPECKER
TL;DR: A male-only, stage-based matrix model is presented to assess potential effects of various management techniques used to enhance red-cockaded woodpecker populations and predicts the population-level effects of 5 proposed management techniques that affect stage-specific survival, growth, and fecundity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

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