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DTSTART;TZID=America/Chicago:20251121T150000
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DTSTAMP:20260421T124148
CREATED:20251118T171844Z
LAST-MODIFIED:20251118T172403Z
UID:10001381-1763737200-1763740800@uwm.edu
SUMMARY:Biological Sciences Colloquium: Dr. Gerlinde Höbel
DESCRIPTION:Dr. Gerlinde Höbel\, professor of Ecology\, Evolution and Behavior at 51����\, will be presenting a talk about her work entitled “Sexual selection theory meets frog behavior: on the architecture of mate choice decisions.” \nThe abstract is as follows: \nMate choice is an important cause of natural and sexual selection\, driving the evolution of ornaments and promoting diversification and speciation. Mate choice decisions arise from the interaction of several components\, and knowledge of whether they interact\, and how\, is crucial for understanding their contributions to selection. Research in my lab has focused on the relationship between preference functions (attractiveness ranking of prospective mates) and choosiness (effort invested in obtaining the preferred mate). We have shown that those are independent components of mate choice decisions in two species of treefrogs\, suggesting that the joint study of variation in both components is required to gain a complete understanding of how mate choice contributes to sexual selection and speciation. We also uncovered surprising levels of individual variation in preference functions\, which suggests that population-level curves may accurately capture the direction of sexual selection\, but depending on the properties of the constituting individual functions they may over- or underestimate the strength of selection. \nThe presentation will begin at 3:00 PM in Lapham Hall N101\, preceded by an informal reception from 2:45 – 3:00PM.
URL:/biology/event/biological-sciences-colloquium-dr-gerlinde-hobel/
LOCATION:Lapham Hall\, N101\, 3209 N Maryland Ave\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:/biology/wp-content/uploads/sites/21/2025/11/Hoebel-Flyer-2025.jpg
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20251205T150000
DTEND;TZID=America/Chicago:20251205T160000
DTSTAMP:20260421T124148
CREATED:20251202T145559Z
LAST-MODIFIED:20251202T145559Z
UID:10001382-1764946800-1764950400@uwm.edu
SUMMARY:Biological Sciences Colloquium: NSF-IRES Research from Grenada
DESCRIPTION:The 2025 NSF-IRES research cohort will be presenting a talk entitled “Is newer better? Comparing established and emerging methods for tropical conservation in Grenada.” \nThe abstract is as follows: \nTropical conservation depends on accurate data. Traditional approaches\, such as in-person observations and transect-and-quadrant surveys\, have long guided management decisions. But new technologies can make data collection more efficient and affordable. This seminar features an overview of five student research projects comparing old and new methods\, using Grenada’s reefs and rainforests as case studies: \n\nFrom Transects to Technology: Comparing Methods in Grenada’s Reefs\nReframing the Reef: Evaluating Photogrammetry Against Traditional Benthic Survey Methods\nA Tale of Two Grenadian Research Projects: Habitat Suitability Analysis and Tree Canopy Cover Methods Comparison\nDiet Composition and Prey Availability for the Grenada Frog\nComparing biodiversity richness between federally protected areas and non-federally protected areas of terrestrial and marine ecosystems in the tropical island of Grenada\n\nThe presentation will begin at 3:00 PM in Lapham Hall N101\, preceded by an informal reception from 2:45 – 3:00PM.
URL:/biology/event/biological-sciences-colloquium-nsf-ires-research-from-grenada/
LOCATION:Lapham Hall\, N101\, 3209 N Maryland Ave\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:/biology/wp-content/uploads/sites/21/2025/12/Grenada-flyer-2025.jpg
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X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Lapham Hall N101 3209 N Maryland Ave Milwaukee WI 53211 United States;X-APPLE-RADIUS=500;X-TITLE=3209 N Maryland Ave:geo:-87.8840564,43.0757204
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260213T150000
DTEND;TZID=America/Chicago:20260213T160000
DTSTAMP:20260421T124148
CREATED:20260211T213509Z
LAST-MODIFIED:20260211T213509Z
UID:10001383-1770994800-1770998400@uwm.edu
SUMMARY:Biological Sciences Colloquium: Maisie Buntin
DESCRIPTION:Maisie Buntin\, Outreach Programs Coordinator at Milwaukee Public Museum\, will be presenting a talk entitled “Museum Careers\,” and the abstract is as follows:\nMuseums offer a unique and exciting work environment\, blending academic research\, educational outreach\, and collections care. Learn more about career opportunities in a museum setting with Maisie Buntin\, Outreach Program Coordinator at the Milwaukee Public Museum\, and graduate of 51����’s Museum Studies Certificate program.\nThe presentation will begin at 3:00 PM in Lapham Hall N101\, preceded by an informal reception from 2:45 – 3:00 PM.
URL:/biology/event/biological-sciences-colloquium-maisie-buntin/
LOCATION:Lapham Hall\, N101\, 3209 N Maryland Ave\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Colloquia
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260417T150000
DTEND;TZID=America/Chicago:20260417T160000
DTSTAMP:20260421T124148
CREATED:20260415T195402Z
LAST-MODIFIED:20260415T195402Z
UID:10001384-1776438000-1776441600@uwm.edu
SUMMARY:Biological Sciences Colloquium: Lauran Liggan
DESCRIPTION:Lauran Liggan\, PhD candidate in the Alberto lab\, will be giving a talk about her work entitled “Unlocking the microscopic life of kelp: molecular monitoring reveals gametophyte-driven processes that shape kelp habitat persistence and recovery.”  The abstract is as follows: \nNearshore ecosystems such as kelp forests support high biodiversity and valuable ecosystem services\, yet they are declining rapidly worldwide. A key challenge in understanding their recovery lies in resolving processes occurring in cryptic early life stages\, particularly the microscopic gametophyte stage that underpin kelp population dynamics. My research utilizes a molecular approach to quantify these cryptic stages in-situ\, integrating environmental DNA\, population genetics\, and spatial analyses to link early life-stage dynamics with patterns of recruitment and recovery. By making these hidden processes measurable\, this work provides new insight into the mechanisms driving kelp forest resilience and offers insights for improving monitoring and restoration in rapidly changing coastal ecosystems. \nThe presentation will begin at 3:00 PM in Lapham Hall N101\, preceded by an informal reception from 2:45 – 3:00PM.
URL:/biology/event/biological-sciences-colloquium-lauran-liggan/
LOCATION:Lapham Hall\, N101\, 3209 N Maryland Ave\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:/biology/wp-content/uploads/sites/21/2026/04/Liggan-2026.jpg
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X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Lapham Hall N101 3209 N Maryland Ave Milwaukee WI 53211 United States;X-APPLE-RADIUS=500;X-TITLE=3209 N Maryland Ave:geo:-87.8840564,43.0757204
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260422T140000
DTEND;TZID=America/Chicago:20260422T180000
DTSTAMP:20260421T124148
CREATED:20260415T213648Z
LAST-MODIFIED:20260415T213913Z
UID:10001385-1776866400-1776880800@uwm.edu
SUMMARY:Biological Sciences Greenhouse Open House
DESCRIPTION:Join us for the 8th annual Biological Sciences Greenhouse Open House on Wednesday\, April 22nd from 2:00PM-6:00PM to celebrate Earth Week. \n\nLocation: Northwest Quadrant Building C 4th floor (use the red elevators).\n\nExperience: You’ll have the opportunity to tour this wonderful 51���� resource\, explore and learn about 51����’s instructional plant collection and fascinating cutting-edge NSF and USDA-funded research. Explore the Greenhouse webpage for details about this facility. \nBonus: There will be free plants available\, while they last!
URL:/biology/event/biological-sciences-greenhouse-open-house/
LOCATION:Northwest Quadrant C\, Room 4600\, 1930 E Hartford Ave\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Department
X-TRIBE-STATUS:
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260424T150000
DTEND;TZID=America/Chicago:20260424T160000
DTSTAMP:20260421T124148
CREATED:20260421T134622Z
LAST-MODIFIED:20260421T140931Z
UID:10001386-1777042800-1777046400@uwm.edu
SUMMARY:Biological Sciences Colloquium: Xiaosa Jack Xu
DESCRIPTION:Dr. Xiaosa Jack Xu\, Professor of Plant Biology at University of California Davis\, will be presenting a talk about his work entitled “An Evolutionary View of Plant Inflorescence Development from Single-Cell and Spatial Profiling.”  The abstract is as follows: \nInflorescence architecture is a major determinant of reproductive success and crop yield\, yet how its developmental regulation evolves across phylogenetic scales remains incompletely understood. Here\, we integrate single-cell transcriptomics\, spatial gene expression\, and gene editing to examine inflorescence development across three hierarchical evolutionary levels: a deep comparison between monocots and eudicots\, a closer comparison within cereal monocots\, and a near-scale comparison between maize and its wild progenitor\, teosinte. \nAt the broadest scale\, we generated a comparative single-cell atlas of developing inflorescences in Arabidopsis and maize. This analysis recovered thousands of stem cells marked by CLAVATA3 and WUSCHEL and uncovered conserved stem cell regulators\, including members of the SERPINE1 mRNA-binding protein family\, revealing deeply conserved mechanisms underlying shoot meristem maintenance across monocots and eudicots. \nAt an intermediate scale\, we performed an integrative analysis of single-cell transcriptomes from developing inflorescences of five cereal crops: maize\, wheat\, barley\, rice\, and sorghum. We identified shared cell populations and resolved distinct meristem subdomains\, revealing a conserved core of meristematic cell identities and regulatory programs\, alongside divergence in transcriptional programs associated with lateral organ initiation and differentiation that likely underlie species-specific cereal inflorescence architectures. \nAt the closest scale\, we constructed a single-cell atlas of developing teosinte ears and compared it with maize to investigate domestication-associated changes in ear development. We identified cell-type-specific differentially expressed genes in inflorescence stem cells and axillary meristem-initiating cells\, many showing signatures of selection during domestication. Higher-order mutants in SPL\, UB2\, UB3\, TSH4\, and GLUTAREDOXIN genes reverted ear morphology toward teosinte-like forms. \nThe presentation will begin at 3:00 PM in Lapham Hall N101\, preceded by an informal reception from 2:45 – 3:00PM.
URL:/biology/event/biological-sciences-colloquium-xiaosa-jack-xu/
LOCATION:Lapham Hall\, N101\, 3209 N Maryland Ave\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:/biology/wp-content/uploads/sites/21/2026/04/Xu-2026.jpg
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