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Metabolic and molecular factors associated with heat-induced leaf senescence in Agrostis (ssp.)
Descriptive
TitleInfo
Title
Metabolic and molecular factors associated with heat-induced leaf senescence in Agrostis (ssp.)
Name
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NamePart
(type = family)
Jespersen
NamePart
(type = given)
David
NamePart
(type = date)
1987-
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David Jespersen
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author
Name
(type = personal)
NamePart
(type = family)
Huang
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Bingru
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Bingru Huang
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Advisory Committee
Role
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chair
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(type = personal)
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(type = family)
Belanger
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(type = given)
Faith C
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Faith C Belanger
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Advisory Committee
Role
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internal member
Name
(type = personal)
NamePart
(type = family)
Gianfagna
NamePart
(type = given)
Thomas
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Thomas Gianfagna
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Advisory Committee
Role
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(authority = RULIB)
internal member
Name
(type = personal)
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(type = family)
Warnke
NamePart
(type = given)
Scott
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Scott Warnke
Affiliation
Advisory Committee
Role
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(authority = RULIB)
outside member
Name
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Rutgers University
Role
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(authority = RULIB)
degree grantor
Name
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NamePart
Graduate School - New Brunswick
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school
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Text
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theses
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2016
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2016-01
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2016
Place
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xx
Language
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eng
Abstract
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Heat stress is a major abiotic stress affecting many plants world wide. Bentgrasses (Agrostis ssp.) are a genus which contains several cool-season perennial grass species which are used on high value turf areas such as golf course green. During summer months when temperatures are elevated bentgrasses frequently experience heat-induced leaf senescence characterized by alterations to metabolism and degradation of cellular constituents including membranes, pigments and proteins. Better understanding of physiological and molecular processes which affect heat-induced leaf senescence will aid in the developments of more heat tolerant bentgrasses. Research goals were to look at physiological, biochemical, molecular genetic difference during heat stress events play roles in delaying heat-induced senescence. This was accomplished in several studies which included a comparison in physiological responses of multiple cultivars exposed to heat stress; proteomic analysis of membrane proteins affected by heat stress as membranes are one of the first sites of heat damages; analysis of the effects of several compounds include cytokinin, an ethylene inhibitor, and nitrogen and how they delay heat-induced senescence and their effects on the plants proteome and metabolome; quantitative trait loci analysis to identify genetic regions associated with important heat tolerance traits; development of candidate gene markers associated with important metabolic functions related to heat-induced senescence and their association with physiological traits related to heat tolerance; investigation of chlorophyll biosynthesis and degradation pathways to help elucidate the cause of chlorophyll loss from leaves during heat-induced senescence. The integration of this information will not only expand our knowledge of heat-induced senescence in cool season turfgrasses but may be used for marker-assisted selection to develop improved cultivars with delayed stress-induced senescence and maintain plant health and growth during heat stress events.
Subject
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Topic
Plant Biology
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
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ETD_6950
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electronic resource
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application/pdf
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text/xml
Extent
1 online resource (xv, 296 p. : ill.)
Note
(type = degree)
Ph.D.
Note
(type = bibliography)
Includes bibliographical references
Subject
(authority = ETD-LCSH)
Topic
Crops--Effect of stress on
Subject
(authority = ETD-LCSH)
Topic
Agrostis
Note
(type = statement of responsibility)
by David Jespersen
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TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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NjNbRU
Identifier
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doi:10.7282/T3XD13R3
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
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Jespersen
GivenName
David
Role
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Permission or license
DateTime
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2015-12-23 15:27:35
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Name
David Jespersen
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Affiliation
Rutgers University. Graduate School - New Brunswick
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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.
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2016-01-31
DateTime
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2018-01-30
Type
Embargo
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after January 30th, 2018.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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ETD
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windows xp
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