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<h2>Lindsay Clark</h2>
 
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UC Davis Department of Plant Sciences<br />
UC Davis Department of Plant Sciences<br />
Genetics Program<br />
Genetics Program<br />
University of California<br />
University of California<br />
Davis, California 95616<br />
Davis, California 95616<br />


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<b>Phone:  (530) 752-8284</b><br />
<b>Phone:  (530) 752-8284</b><br />


<b>Email: <A HREF="&#109;&#97;&#105;&#108;&#116;&#111;&#58;
<b>Email: lvclark [at] ucdavis.edu</b><br />
 
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<b>Position:</b>
 
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Graduate Student</td>
 
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<b>Education:</b>
 
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2000-2004:  B.A. Genetics, Cell & Developmental Biology, Dartmouth College
 
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<b>Research Interest:</b>
 
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I am interested in the population genetics of plants as
 
it relates to anthropogenic effects on biodiversity and ecosystems.
 
Population genetics can be used to understand the history of an invasive
 
species in terms of introductions, dispersal, and hybridization.  In the
 
study of what causes a species to become invasive, I hope to aid in
 
prediction of which introduced species may become invasive in the future.
 
Potentially, these species could be monitored and controlled before they
 
cause significant ecological and economic damage.
 
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{|
|-
|<b>Position:</b>
|Graduate Student
|-
|<b>Education:</b>
|2000-2004:  B.A. Genetics, Cell & Developmental Biology, Dartmouth College
|-
|<b>Research Interest:</b>
|Hybridization has been directly implicated in the evolution of invasiveness in some plant taxa, and hypothesized to contribute to invasions of many other plant taxa. The genus ''Rubus'' (blackberries and raspberries, Rosaceae) is ideal for studying this phenomenon, given that it includes a number of noxious weeds (11 in the United States as listed by the USDA PLANTS Database) and has a history of evolution through hybridization. Using nuclear microsatellite and chloroplast markers, I have identified natural hybrids of the native Pacific blackberry (''R. ursinus'') with both invasive Himalayan blackberry (''R. armeniacus'') and introduced Pennsylvania blackberry (''R. pensilvanicus'') in California. I hypothesize that hybridization of native and introduced ''Rubus'' in California has the potential to create new invasive weeds and also alter the genetic composition of native populations. In addition to identifying potential new invasives, my experimental aims focus on understanding the mechanisms by which hybridization can cause invasiveness. These aims are
#assess the reproductive mechanisms and competitive potential of known natural hybrids in California,
#identify any introgression of non-native genetic material into R. ursinus populations, and its positive or negative impact on the fitness of populations and individuals,
#determine whether invasive R. armeniacus is itself a hybrid of other European species, and
#compare gene expression profiles of hybrids to those of known invasives.
|}
[[User:Lindsay_V._Clark|Lindsay Clark's OpenWetWare user page]]

Latest revision as of 17:48, 12 November 2008

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UC Davis Department of Plant Sciences
Genetics Program
University of California
Davis, California 95616

Phone: (530) 752-8284

Email: lvclark [at] ucdavis.edu

Position: Graduate Student
Education: 2000-2004: B.A. Genetics, Cell & Developmental Biology, Dartmouth College
Research Interest: Hybridization has been directly implicated in the evolution of invasiveness in some plant taxa, and hypothesized to contribute to invasions of many other plant taxa. The genus Rubus (blackberries and raspberries, Rosaceae) is ideal for studying this phenomenon, given that it includes a number of noxious weeds (11 in the United States as listed by the USDA PLANTS Database) and has a history of evolution through hybridization. Using nuclear microsatellite and chloroplast markers, I have identified natural hybrids of the native Pacific blackberry (R. ursinus) with both invasive Himalayan blackberry (R. armeniacus) and introduced Pennsylvania blackberry (R. pensilvanicus) in California. I hypothesize that hybridization of native and introduced Rubus in California has the potential to create new invasive weeds and also alter the genetic composition of native populations. In addition to identifying potential new invasives, my experimental aims focus on understanding the mechanisms by which hybridization can cause invasiveness. These aims are
  1. assess the reproductive mechanisms and competitive potential of known natural hybrids in California,
  2. identify any introgression of non-native genetic material into R. ursinus populations, and its positive or negative impact on the fitness of populations and individuals,
  3. determine whether invasive R. armeniacus is itself a hybrid of other European species, and
  4. compare gene expression profiles of hybrids to those of known invasives.

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