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Response and regulation of cell-surface hydrolases to nutrient stress in river-influenced coastal areas
Descriptive
TypeOfResource
Text
TitleInfo
(ID = T-1)
Title
Response and regulation of cell-surface hydrolases to nutrient stress in river-influenced coastal areas
Identifier
ETD_2846
Identifier
(type = hdl)
http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000056347
Language
LanguageTerm
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(type = code)
eng
Genre
(authority = marcgt)
theses
Subject
(ID = SBJ-1);
(authority = RUETD)
Topic
Oceanography
Subject
(ID = SBJ-2);
(authority = ETD-LCSH)
Topic
Extracellular enzymes
Subject
(ID = SBJ-3);
(authority = ETD-LCSH)
Topic
Flow injection analysis
Subject
(ID = SBJ-4);
(authority = ETD-LCSH)
Topic
Aminopeptidases
Subject
(ID = SBJ-5);
(authority = ETD-LCSH)
Topic
Alkaline phosphatase
Subject
(ID = SBJ-6);
(authority = lcsh/lcnaf)
Geographic
Hudson River (N.Y. and N.J.)
Subject
(ID = SBJ-7);
(authority = lcsh/lcnaf)
Geographic
Mississippi River
Abstract
(type = abstract)
Conceptually, the hydrolysis product of ectoenzyme activity is used to relieve nutrient stress or acquire a type of molecule not immediately accessible in the environment. When properly characterized, ectoenzyme activities can offer greater insight into the nutrient requirements of organisms and how they use organic matter. This dissertation analyzes enzyme activity data from two river-influenced coastal regions, locations of variable inorganic nutrient concentrations, dissolved organic matter concentrations, and biomass. It is the ultimate goal of this dissertation to provide a quantitative means of interpreting ectoenzyme activity or, at the very least, to provide possible interpretations of activity that go beyond the overly-simplistic and qualitative views currently dominant in the ectoenzyme literature. In addition, it highlights the advantages of automated biological measurements, and promotes their use in future work. The first section explores the role of nitrate on LAP expression, and how LAP activities can reflect (and participate in) different biogeochemical regimes within the Hudson River outflow. The second section describes a simple model predicting the influence of leucine aminopeptidase (LAP) activity on a nitrate-limited phytoplankton population. The model includes predictions of the strength of nitrate limitation, ability of LAP to overcome the limitation, coupling strength between hydrolysis and uptake, and a phytoplankton nitrate requirement. The third section expands upon current research in alkaline phosphatase (AP) activity in the Louisiana shelf. This work provides a first look at high resolution time-series of AP activity and other environmental variables, and how the interpretation of AP activity measurements may be improved by considering a time lag between variables and a temporal control on AP expression.
PhysicalDescription
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electronic resource
Extent
xxi, 150 p. : ill.
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application/pdf
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text/xml
Note
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Ph.D.
Note
(type = bibliography)
Includes bibliographical references
Note
(type = vita)
Includes vita
Note
(type = statement of responsibility)
by Brian Matthew Gaas
Name
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Gaas
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Brian Matthew
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1980-
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author
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Brian Gaas
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Robert T
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chair
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Advisory Committee
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Robert T Chant
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(type = family)
Ammerman
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(type = given)
James W
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co-chair
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Advisory Committee
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James W Ammerman
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(type = personal)
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(type = family)
Schofield
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(type = given)
Oscar
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internal member
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Advisory Committee
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Oscar Schofield
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(ID = NAME-5);
(type = personal)
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(type = family)
Reinfelder
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(type = given)
John R
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internal member
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Advisory Committee
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John R Reinfelder
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Chen
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Robert F
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outside member
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Advisory Committee
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Robert F Chen
Name
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NamePart
Rutgers University
Role
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degree grantor
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Graduate School - New Brunswick
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school
OriginInfo
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2010
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2010-10
Place
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xx
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
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ETD
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TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
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rucore19991600001
Location
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NjNbRU
Identifier
(type = doi)
doi:10.7282/T3QV3M8D
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
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(ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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(type = personal)
Name
FamilyName
Gaas
GivenName
Brian
Role
Copyright Holder
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DateTime
2010-09-04 19:17:01
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Name
Brian Gaas
Affiliation
Rutgers University. Graduate School - New Brunswick
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License
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Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
RightsEvent
(ID = RE-2);
(AUTHORITY = rulib)
Type
Embargo
DateTime
2010-10-31
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after October 31st, 2011.
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Technical
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ETD
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application/pdf
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application/x-tar
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