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The effect of ectopic expression of pine glutamine synthetase (GS1a) on water use efficiency in transgenic poplar
Descriptive
TitleInfo
Title
The effect of ectopic expression of pine glutamine synthetase (GS1a) on water use efficiency in transgenic poplar
Name
(type = personal)
NamePart
(type = family)
Yalcin
NamePart
(type = given)
Arman
NamePart
(type = date)
1987-
DisplayForm
Arman Yalcin
Role
RoleTerm
(authority = RULIB)
author
Name
(type = personal)
NamePart
(type = family)
Kirby
NamePart
(type = given)
Edward
DisplayForm
Edward Kirby
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
chair
Name
(type = personal)
NamePart
(type = family)
Schäfer
NamePart
(type = given)
Karina VR
DisplayForm
Karina VR Schäfer
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
co-chair
Name
(type = personal)
NamePart
(type = family)
Cervantes-Cervantes
NamePart
(type = given)
Miguel
DisplayForm
Miguel Cervantes-Cervantes
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
co-chair
Name
(type = corporate)
NamePart
Rutgers University
Role
RoleTerm
(authority = RULIB)
degree grantor
Name
(type = corporate)
NamePart
Graduate School - Newark
Role
RoleTerm
(authority = RULIB)
school
TypeOfResource
Text
Genre
(authority = marcgt)
theses
OriginInfo
DateCreated
(qualifier = exact)
2014
DateOther
(qualifier = exact);
(type = degree)
2014-10
CopyrightDate
(encoding = w3cdtf)
2014
Place
PlaceTerm
(type = code)
xx
Language
LanguageTerm
(authority = ISO639-2b);
(type = code)
eng
Abstract
(type = abstract)
Glutamine synthetase (GS) is a key factor in the assimilation of nitrogen in plants. Hybrid poplar plants (Populus tremula X P. alba, INRA 717-1-B4) ectopically expressing pine GS display increased growth rates, increased nitrogen use efficiency, and resistance to drought. In order to assess mechanisms associated with observed drought tolerance of GS poplars, we studied the ability of the GS poplars to perform photosynthesis under control and water-limiting conditions, as well as their nitrogen and carbon isotope contents. Included in this study were carboxylation efficiency, maximum assimilation rate, quantum yield of photosynthesis, maximum electron transport rate, dark respiration, triose phosphate utilization, light compensation point, intrinsic water use efficiency, stomatal conductance, and nitrogen-use efficiency. Rooted cuttings (12-18 months) were grown in a growth chamber (24o C; 16 hour photoperiod; approx. 330 μmol m-2 s-1). Well-watered conditions were defined as a soil moisture value of over 0.40 m3∙m-3, and drought conditions were defined as having a value of less than 0.20 m3∙m-3. The results showed significant differences between the GS transgenic and wild type. Under drought and control conditions, GS poplars showed carboxylation efficiencies similar to wild type grown under well-watered and drought conditions. Photosynthetic capacities were not different regardless of condition or genotype. However, the GS poplars showed lower water use efficiency when compared to the wild type, but higher nitrogen use efficiency. These data suggest that, compared to the wild type, GS poplars display a tradeoff between water and nitrogen use efficiency and are characterized by slightly enhanced photosynthesis, even during drought stress.
Subject
(authority = RUETD)
Topic
Biology
RelatedItem
(type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
(type = RULIB)
ETD
Identifier
ETD_5380
PhysicalDescription
Form
(authority = gmd)
electronic resource
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resource (vii, 27 p. : ill.)
Note
(type = degree)
M.S.
Note
(type = bibliography)
Includes bibliographical references
Note
(type = vita)
Includes vita
Subject
(authority = ETD-LCSH)
Topic
Poplar
Subject
(authority = ETD-LCSH)
Topic
Plants--Water requirement
Subject
(authority = ETD-LCSH)
Topic
Glutamine synthetase
Note
(type = statement of responsibility)
by Arman Yalcin
RelatedItem
(type = host)
TitleInfo
Title
Graduate School - Newark Electronic Theses and Dissertations
Identifier
(type = local)
rucore10002600001
Location
PhysicalLocation
(authority = marcorg);
(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T3RF5WNK
Genre
(authority = ExL-Esploro)
ETD graduate
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Rights
RightsDeclaration
(ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder
(type = personal)
Name
FamilyName
Yalcin
GivenName
Arman
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
(encoding = w3cdtf);
(qualifier = exact);
(point = start)
2014-04-04 05:50:08
AssociatedEntity
Name
Arman Yalcin
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - Newark
AssociatedObject
Type
License
Name
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.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Technical
RULTechMD
(ID = TECHNICAL1)
ContentModel
ETD
OperatingSystem
(VERSION = 5.1)
windows xp
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