Graduate Student Research Symposium 2011

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| 3:50-3:55  ||Chris Field  || A Motion Chart of bird population trends.
 
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Revision as of 14:12, 10 March 2011

Saturday, March 19, 2011

Biology/Physics Building Room 130, 9:00am to ~ 4:00pm



The EEB Graduate Student Symposium is an all day event where graduate students present their research to other graduate students and faculty. Any EEB graduate student can present: BSMS, masters, PhD, old and new students. New graduate students usually present research ideas or preliminary data, while those more ‘seasoned’ students present their most recent results, often in preparation for upcoming spring and summer meetings.

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New Schedule

Time Speaker Title
8:30-9:00 Coffee & Tea (drinks only)
9:00-9:15 Dr. Lee Allen Aggison, Jr. Interim Vice Provost for Graduate Education & Dean of the Graduate School Welcome address
9:15-9:30 Frank Smith TBA
9:30-9:45 Beth Wade Gene flow and species boundaries of 3 cicada species in NZ (Cicadidae: Kikihia)
9:45-10:00 Bill Ryerson The development and application of an inexpensive particle image velocimetry (PIV) system in animal biomechanics
10:00-10:15 Maria Pickering Examining the cestode taxon Trilocularia in 2 host shark species and across 3 disparate localities
10:15-10:30 Chris Owen TBA
10:30-11:00 Morning Break - Drinks and Fruit
11:00-11:15 Jon Velotta Functional consequences of land-locking in alewives
11:15-11:30 Alejandro Rico Hummingbirds´"pausing behavior"
11:30-11:45 Sarah Redmond TBA
11:45-12:00 Geert Goemans Field work in the Neotropics
12:00-1:30 Lunch - Sandwiches and Salad
1:30-2:00 Dr. Karen Ober Assistant Professor of Biology at College of the Holy Cross Keynote Address
2:00-2:15 Kathryn Theiss TBA
2:15-2:30 Jose Pereira TBA
2:30-2:45 Karolina Fucikova Bracteacoccus and its relatives: a case of cryptic genera.
2:45-3:00 Alyssa Borowske TBA
3:00-3:15 Manette Sandor TBA
3:15-3:30 Alexander DeFrancesco TBA
3:30-3:45 Johana Goyes-Vallejos TBA
3:45-4:00 Speed Talks
3:45-3:50 Lily Lewis Preliminary thoughts on the phylogeography of a dung moss
3:50-3:55 Chris Field A Motion Chart of bird population trends.
3:55-4:00 Biological Image Contest - 2011
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Abstracts

Name Here
Title Here
Abstract Here


Karolina Fucikova
Bracteacoccus and its relatives: a case of cryptic genera
Bracteacoccus, one of the most common soil algae, is taxonomically interwoven with several other genera. In particular, its relationship with the morphologically similar Dictyococcus, Muriella and Pseudomuriella is quite tangled because these share a similar overall morphology with Bracteacoccus. This has raised questions about the validity of these genera and the proper taxonomic disposition for their species. Phylogenetic relationships for a number of these taxa can be addressed using molecular sequence data obtained from live type strains. Using analyses of the 18S and rbcL genes, we determined that monophyly of Bracteacoccus can be achieved only by excluding four unrelated lineages that historically have been included under this name. Firstly, B. engadinensis belongs in the genus Pseudomuriella, along with Dictyococcus schumacherensis. Secondly, B. cinnabarinus and B. minutus group with Muriella zofingiensis, a species with its own obscure taxonomic history. These three species are distinct from the true Muriella lineage (Trebouxiophyceae) and we propose to assign them to the resurrected genus Chromochloris (Chlorophyceae). Lastly, Dictyococcus was shown to be an unrelated lineage that can be reliably distinguished from Bracteacoccus based on chloroplast morphology. Our results indicate that Pseudomuriella, Chromochloris and Bracteacoccus are morphologically cryptic genera, representing closely related yet divergent lineages.


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