Difference between revisions of "Louise A. Lewis"

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[[Image:LLewisNipmuk.jpg|thumb|right|''Along the Nipmuk Trail in central Connecticut, Dec. 2006'']]
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<span style="font-size: large">Associate Professor<br/></span>
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|<span style="font-size: large"> Professor<br/></span>
 
[http://hydrodictyon.eeb.uconn.edu/eebwww/ Department of Ecology and Evolutionary Biology]<br/>
 
[http://hydrodictyon.eeb.uconn.edu/eebwww/ Department of Ecology and Evolutionary Biology]<br/>
 
[http://www.uconn.edu/ University of Connecticut]<br/>
 
[http://www.uconn.edu/ University of Connecticut]<br/>
 
Storrs, CT 06269-3043<br/>
 
Storrs, CT 06269-3043<br/>
<div style="text-align: center">[http://hydrodictyon.eeb.uconn.edu/eebedia/index.php/L._Lewis_Lab <span style="font-size: larger">L. Lewis Lab Homepage</span>]</div>
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office: 200 Pharmacy/Biology Building<br/>
 
office: 200 Pharmacy/Biology Building<br/>
 
voice: +1 860-486-6723<br/>
 
voice: +1 860-486-6723<br/>
 
fax:  +1 860-486-6364<br/>
 
fax:  +1 860-486-6364<br/>
email: [mailto:louise.lewis@uconn.edu louise.lewis@uconn.edu]<br/>
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email: [mailto:louise.lewis@uconn.edu louise.lewis@uconn.edu]<br/><br/>
[[Image:ArizonaCrust.jpg|thumb|right|''Arizona Biotic Crust'']]
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URL: http://algae.eeb.uconn.edu/
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==Research Interests and Selected Publications==
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<span style="font-size: large">Desert Algae: Diversity and Physiology <br/></span>
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Most species of green algae occur in aquatic or marine habitats, but there are many diverse green algae that live in terrestrial habitats such desert microbiotic crust communities. My work in North American and South African arid habitats reveals that desert green algae have multiple evolutionary origins. I use traditional and molecular techniques to understand the diversity of desert green algae, and am interested in the physiological adaptations that allow these algae to survive under extreme conditions (e.g., desiccation,  high light). <br/>
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*[http://hydrodictyon.eeb.uconn.edu/bcp/ Biotic Crust Project] - A web site and relational database designed initially to disseminate results of an NSF-funded (Biotic Systems and Inventories) project to document the diversity of green algae, cyanobacteria, lichens and bryophytes of the desert crust communities of the western United States. Now, additional projects are being served at this site.<br/>
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*Gray, D. W., Z. G. Cardon and L. A. Lewis (2007) Photosynthetic recovery following desiccation of desert green algae (Chlorophyta) and their aquatic relatives.  Plant Cell and Environment 30: 1240-1255.<br/>
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*Lewis, L. A. and P. O. Lewis (2005) Unearthing the molecular phylodiversity of desert soil green algae (Chlorophyta). Systematic Biology 54: 936-947.
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*Lewis, L. A., and V. R. Flechtner (2004) Cryptic species of ''Scenedesmus'' (Chlorophyta) from desert soil communities of western North America. Journal of Phycology 40: 1127-1137.<br/>
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<span style="font-size: large">Evolution of green algae and basal green plants<br/></span>
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I also am interested in  morphological evolution within chlorophyceaen green algae, and have used molecular and morphological data to resolve the relationship among major groups of green algae and early-diverging land plants.  <br/>
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*Lewis, L. A. (2007) Chlorophyta on land. Independent lineages of green eukaryotes from arid lands. In: J. Seckbach (ed.) ''Extremophilic Algae, Cyanobacteria and non-photosynthetic Protists: From Prokaryotes to Astrobiology''. Kluwer Academic Publishers, Dordrecht.
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*McManus, H. A. and L. A. Lewis (2005) Systematics, morphological variation and implications for colony-form evolution in the family Hydrodictyaceae (Sphaeropleales, Chlorophyta). Phycologia 44: 582-595.
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*Lewis, L. A. and R. M. McCourt (2004) Green algae and the origin of land plants. American Journal of Botany 91: 1535-1556.
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*Shoup, S. and L. A. Lewis (2003) Polyphyletic origin of parallel basal bodies in swimming cells of chlorophycean green algae (Chlorophyta). Journal of Phycology 39: 789-796.<br/>
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*Lewis, L. A., B. D. Mishler and R. Vilgalys (1997) Phylogenetic relationships of the liverworts (Hepaticae), a basal embryophyte lineage, inferred from nucleotide sequence data of the chloroplast gene, rbcL. Molecular Phylogenetics and Evolution 7: 377-393.
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*Mishler, B. M., L. A. Lewis, M. A. Buchheim, K. S. Renzaglia, D. J. Garbary, C. F. Delwiche, F. W. Zechman, T. S. Kantz and R. L. Chapman (1994) Phylogenetic relationships of the "green algae" and "bryophytes". Annals of the Missouri Botanical Garden 81: 451-483.<br/>
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<span style="font-size: large">Symbiotic green algae<br/></span>
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Unicellular green algae form symbioses with marine invertebrates, ciliates, fungi, and even flowering plants.  In collaboration with Gisele Muller-Parker (Western Washington State University) I have worked on the small green alga that occur with the sea anemones ''Anthopleura'' ''elegantissima''.  Ph.D. student [http://hydrodictyon.eeb.uconn.edu/eebedia/index.php/Molly_Letsch Molly Letsch] is following up on this project in two anemone species, and across their geographic ranges.<br/>
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*Lewis, L. A. and G. Muller-Parker (2004) Phylogenetic placement of "Zoochlorellae" (Chlorophyta), algal symbiont of the temperate anemone ''Anthopleura'' ''elegantissima''. Biological Bulletin 207: 87-92.<br/>
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<span style="font-size: large">Beyond greens<br/></span>
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*Haugen, P., D. Bhattacharya, J.D. Palmer, S. Turner, L.A. Lewis, and K.M. Pryer (2007) Cyanobacterial ribosomal RNA genes with multiple, endonuclease-encoding group I introns. BMC Evolutionary Biology 7: 159.
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*Hershkovitz, M. A. and L. A. Lewis (1996) Deep-level diagnostic value of the rDNA-ITS region. Molecular Biology and Evolution 13: 1276- 1295.
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*Hanelt, B., D. van Schyndel, C.M. Adema, L. A. Lewis, and E.S. Loker (1996) The phylogenetic position of ''Rhopalura opiocomae'' (Orthonectida) based on 18S ribosomal RNA sequence data. Molecular Biology and Evolution 13: 1187-1191.
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*Wawrzyniak, L.A. and R.A. Andersen (1983) Silica-scaled Chrysophyceae from North American boreal forest regions in northern Michigan, U.S.A. and Newfoundland, Canada. Nova Hedwigia 41: 127-145.<br/>
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{|style="width:60%; height:100px"
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| [[Image:abotC.jpg|''American Journal of Botany Oct. 2004'']] || [[Image:BiolBulletin.gif|''Biological Bulletin Oct. 2004'']] || [[Image:PCEcover.gif|''Plant Cell and Environment Oct. 2007'']]
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==Courses==
 
 
Spring 2008
 
*During alternate spring semesters (next in 2008) I will co-teach [http://hydrodictyon.eeb.uconn.edu/eebedia/index.php/Evolution_of_Green_Plants Evolution of Green Plants] with Dr. Bernard Goffinet.
 
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Fall 2008
 
*I also teach [http://hydrodictyon.eeb.uconn.edu/courses/algae/ Biology of the Algae] (co-listed as EEB 290 and EEB 390) in alternate fall semesters (2006, 2008...).
 
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Spring 2009
 
*I am involved in teaching introductory biology for majors, Biology 108, usually in alternate spring semesters (2009, 2011...). This course web site is accessed using [https://vista.uconn.edu/ Vista].
 
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[[Category:EEB Faculty|LewisL]] [[Category:EEB People|LewisL]]
 
[[Category:EEB Faculty|LewisL]] [[Category:EEB People|LewisL]]

Latest revision as of 12:21, 18 August 2014

Professor

Department of Ecology and Evolutionary Biology
University of Connecticut
Storrs, CT 06269-3043

office: 200 Pharmacy/Biology Building
voice: +1 860-486-6723
fax: +1 860-486-6364
email: louise.lewis@uconn.edu

URL: http://algae.eeb.uconn.edu/

LLewisNipmuk3.jpg