Title:
USING ASCORBIC ACID AND HIGH SALINITY TO EXTEND THE VIABILITY OF PROALES SIMILIS (ROTIFERA) DIAPAUSING EGGS

dc.contributor.advisor Snell, Terry
dc.contributor.author Brashear, Jillian
dc.contributor.committeeMember Weigel , Emily
dc.contributor.committeeMember Goodisman , Michael
dc.contributor.department Biology
dc.date.accessioned 2021-06-30T17:37:27Z
dc.date.available 2021-06-30T17:37:27Z
dc.date.created 2021-05
dc.date.issued 2021-05
dc.date.submitted May 2021
dc.date.updated 2021-06-30T17:37:28Z
dc.description.abstract Rotifers are sensitive indicators of environmental conditions and serve as model organisms for assessing toxicity. It is understood that rotifer cysts (diapausing eggs) are convenient for toxicity assessment because they remove the need to maintain animal cultures, reduce variability in tests, and can be stored for on-demand use. Indeed, cyst-based toxicity tests for the rotifer Proales similis have helped to fill a need for an additional marine animal model to the rotifer Brachionus plicatilis in ecotoxicology. A challenge to implementing tests is the need for readily- available P. similis diapausing eggs, which need to be reliably preserved and hatched on demand. This study explores preservation methods to extend the viability of P. similis eggs. We explore factors including storage temperature, salinity, and the addition of ascorbic acid to measure their effects independently and combined. We found that storing the diapausing eggs at approximately 4℃ in the presence of 20µM ascorbic acid and a 220ppt salinity is effective for extending egg viability. With longer viability, P. similis diapausing eggs are more readily available and thereby valuable as a tool in toxicity assessments.
dc.description.degree Undergraduate
dc.format.mimetype application/pdf
dc.identifier.uri http://hdl.handle.net/1853/64854
dc.language.iso en_US
dc.publisher Georgia Institute of Technology
dc.subject Rotifer
dc.subject Diapausing eggs
dc.title USING ASCORBIC ACID AND HIGH SALINITY TO EXTEND THE VIABILITY OF PROALES SIMILIS (ROTIFERA) DIAPAUSING EGGS
dc.type Text
dc.type.genre Undergraduate Thesis
dspace.entity.type Publication
local.contributor.corporatename College of Sciences
local.contributor.corporatename School of Biological Sciences
local.contributor.corporatename Undergraduate Research Opportunities Program
local.relation.ispartofseries Undergraduate Research Option Theses
relation.isOrgUnitOfPublication 85042be6-2d68-4e07-b384-e1f908fae48a
relation.isOrgUnitOfPublication c8b3bd08-9989-40d3-afe3-e0ad8d5c72b5
relation.isOrgUnitOfPublication 0db885f5-939b-4de1-807b-f2ec73714200
relation.isSeriesOfPublication e1a827bd-cf25-4b83-ba24-70848b7036ac
thesis.degree.level Undergraduate
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