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DTSTAMP:20240514T063126
DTSTART;TZID=America/Detroit:20240429T093000
DTEND;TZID=America/Detroit:20240429T103000
SUMMARY:Careers / Jobs:J&J WiSTEM2D - Pathway for Patient Health Quality Science Professional Certification
DESCRIPTION:In 2015\, JNJ launched WISTEM2D-Women in Science\, Technology\, Engineering\, Math\, Manufacturing\, and Design (STEM2D)-initiative to promote learning and career opportunities in STEM2D disciplines. Led by a network of volunteers from across JNJ and its local operating companies\, this ambitious initiative seeks to promote learning across Youth\, University and Professional audiences. \n\nWe are pleased to announce WISTEM2D’snew partnership with Pathway – a free online learning platform for students interested in the Life Science industries. Our Pathway student courses are designed to equip you with the knowledge to succeed in the workforce. We offer courses on topics such as Global Regulatory and Legal Requirements of Quality\, Product Development and Validation\, and Risk and FailureAnalysis. Join us for our information session to learn more! \n\nZoom link provided after registration. (https://jnjmeetings.zoom.us/webinar/register/WN_FGgbQiOjRseCtnfhaWuGfQ#/registration)\n\n
UID:121708-21847129@events.umich.edu
URL:https://events.umich.edu/event/121708
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
LOCATION:
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20240424T124345
DTSTART;TZID=America/Detroit:20240429T100000
DTEND;TZID=America/Detroit:20240429T110000
SUMMARY:Workshop / Seminar:EEB Student Thesis Defense: Understanding Shifts in Soil Function Along a Successional Gradient in a  Temperate Forest
DESCRIPTION:About: Forest ecosystems provide a multitude of ecosystem services\, making it crucial to understand their dynamics during succession. Soil responds to disturbances like fires and tree harvesting along with the forest\, and thus plays a pivotal role in forest succession. The response of forest soils to fires and tree harvesting varies depending on factors such as climate and time. These factors can significantly influence soil functions including nitrogen availability\, mineralization\, and decomposition during succession. To understand how these soil functions are influenced by succession\, I leveraged a burn chrono-sequence at the University of Michigan Biological Station. This talk will highlight the variation of soil function across a chronosequence and possible environmental drivers of soil function. \nEmail eeb.gradcoord@umich.edu for access to this seminar virtually.
UID:121375-21846473@events.umich.edu
URL:https://events.umich.edu/event/121375
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Museum - Herbarium,Herbarium,Museum - Zoology,Thesis Defense,AEM Featured,biodiversity,Biology,Biosciences,Bsbsigns,ecology,Ecology & Biology,Ecology And Evolutionary Biology
LOCATION:Biological Sciences Building - 1010
CONTACT:
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DTSTAMP:20240418T091654
DTSTART;TZID=America/Detroit:20240429T110000
DTEND;TZID=America/Detroit:20240429T121500
SUMMARY:Workshop / Seminar:Gomberg Lecture - DNA where you expect RNA: from fluorescent aptamers to stress granules
DESCRIPTION:It is generally taken for granted that DNA is a biochemically \"inert\"\, structurally sedate repository of genetic information\, while RNA carries out sophisticated activities such as selective small-molecule binding and catalysis. In this lecture\, I will discuss two instances where we have encountered DNA performing unexpected roles. In the first\, our structural determination of the fluorogenic DNA aptamer \"Lettuce\" revealed a novel 4-way junctional fold that provides a binding site for its cognate fluorophore. While numerous RNA molecules capable of inducing the fluorescence (often in excess of 5000-fold) of otherwise non-fluorescent dyes have been isolated through in vitro evolution\, the 3D structures of these \"turn-on\" aptamers rely on extensive interactions of the ribose 2'-OH. Lettuce adopts its complex fold using completely different strategies\, therefore hinting that new principles of nucleic acid structure may emerge from the analysis of functional DNAs. In the second\, we have discovered that DNA in the cytoplasm is essential for the eukaryotic stress response. From yeast to human\, when cells encounter stressors (heat\, cold\, hypoxia\, etc.)\, their initial response is the cessation of protein synthesis\, and the condensation of their now ribosome-free mRNAs into large cytoplasmic bodies known as stress granules. We have recently devised new methods to purify stress granule cores from both budding yeast and mammalian (HEK293T) cells\, finding that they are biochemically stable\, ~200 nm particles. Analysis of their protein and RNA composition largely confirmed the results of previous reports on stress granule composition. Unexpectedly\, we discovered that stress granule cores also contain double-stranded circular DNA (extrachromosomal circular DNA\, eccDNA)\, and that their structural integrity in vitro depends on this DNA. Moreover\, targeting cytoplasmic eccDNAs through CRISPR technology abrogates the ability of live yeast to form stress granules. Previous studies have found eccDNAs in all eukaryotic cells\, but had not hinted at a cytoplasmic role. Our work provides a new functional connection\, mediated by DNA\, between the nucleus\, cytoplasmic membraneless organelles\, protein synthesis\, and the response of eukaryotic cells to their changing environments.
UID:109308-21821373@events.umich.edu
URL:https://events.umich.edu/event/109308
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Chemistry,Gomberg Lecture,Science,Chemical Biology
LOCATION:Chemistry Dow Lab - 1640
CONTACT:
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DTSTAMP:20240422T121503
DTSTART;TZID=America/Detroit:20240429T110000
DTEND;TZID=America/Detroit:20240429T170000
SUMMARY:Exhibition:Impressions: 2024 Stamps Senior Exhibition
DESCRIPTION:Impressions: 2024 Stamps Senior Exhibition features work in a range of media by graduating Stamps BA\, BFA\, and Interarts Performance students at the University of Michigan Stamps School of Art &amp\; Design.\nOpening Reception: Friday\, April 19\, 2024 from 4 - 8 p.m.Screening of Time-Based Work: Friday\, April 19\, 2024 from 6 - 8 p.m.\, Art &amp\; Architecture Auditorium (room 2104)\nExhibition Hours: Open daily Monday - Saturday\, 11 a.m. - 5 p.m. from April 20 through May 4\, 2024. Closed Sundays.
UID:119891-21843785@events.umich.edu
URL:https://events.umich.edu/event/119891
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Art
LOCATION:Off Campus Location
CONTACT:
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DTSTAMP:20240409T160341
DTSTART;TZID=America/Detroit:20240429T110000
DTEND;TZID=America/Detroit:20240429T130000
SUMMARY:Lecture / Discussion:Interpretable Latent Variable Models: Identifiability\, Estimation\, and Inference
DESCRIPTION:Latent variable models play an increasingly crucial role in modern statistics and machine learning for analyzing large-scale and complex-structured data\, with wide-ranging applications across various scientific fields. For instance\, in educational assessments\, latent variable models capture unobservable traits\, such as intelligence\, personality\, and attitude. In biology and genomics\, latent variable models uncover underlying genetic factors\, gene expression patterns\, or hidden biological mechanisms. By inferring the latent variables\, researchers gain a deeper understanding of the mechanisms governing the observed data. Despite wide applications of latent variable models\, the large scale and complex structures of data\, and the involvement of covariates pose numerous challenges for its identifiability\, estimation\, and inference. This dissertation focuses on developing identifiability theory\, estimation approaches\, and inference methodologies for interpretable latent variable models\, addressing three important problems:\n(I): The first part addresses the identifiability issues of latent class models with covariates. Despite that these models are widely used in various applications\, the fundamental identifiability issue of the latent class models with covariates has not been fully addressed. To address this open identifiability issue\, we establish conditions to ensure the global identifiability of the model parameters in both strict and generic sense. Moreover\, our results extend to polytomous-response Cognitive Diagnosis Models (CDMs) with covariates\, which generalizes the existing identifiability results for CDMs.\n(II) The second part develops estimation and inference methods for generalized linear framework with latent confounders. Statistical inferences for high-dimensional regression models have been extensively studied for their wide applications ranging from genomics\, neuroscience\, to economics. However\, in practice\, there are often potential unmeasured confounders associated with both the response and covariates\, which can lead to invalidity of standard debiasing methods. In this part\, we focus on a generalized linear regression framework with hidden confounding and propose a debiasing approach to address this high-dimensional problem\, by adjusting for the effects induced by the unmeasured confounders. We establish consistency and asymptotic normality for the proposed debiased estimator.\n(III) The third part focuses on statistical inference for covariate-adjusted generalized factor models. In addition to understanding the latent factors\, the covariate effects on responses controlling for latent factors is also of great scientific interest and has wide applications\, such as evaluating the fairness of educational testing\, where the covariate effect reflects whether a test question is biased toward certain individual characteristics (e.g. gender and race) taking into account their latent abilities. However\, the large sample size\, substantial covariate dimension\, and great test length pose great challenges to developing efficient methods and drawing valid inferences. Moreover\, to accommodate the commonly encountered discrete type of responses\, nonlinear factor models are often assumed\, bringing in further complexity to the problem. To address these challenges\, we consider a covariate-adjusted generalized factor model and develop novel and interpretable conditions to address the identifiability issue. Based on the identifiability conditions\, we propose a joint maximum likelihood estimation method and establish estimation consistency and asymptotic normality results for the covariate effects under a practical yet challenging asymptotic regime. Furthermore\, we derive estimation and inference results for latent factors and the factor loadings.
UID:121286-21846314@events.umich.edu
URL:https://events.umich.edu/event/121286
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Dissertation
LOCATION:West Hall - 438
CONTACT:
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DTSTAMP:20240514T063125
DTSTART;TZID=America/Detroit:20240429T115500
DTEND;TZID=America/Detroit:20240429T130000
SUMMARY:Careers / Jobs:Find Your Future With Us - Plant Protection and Quarantine Career Fair!
DESCRIPTION:Find Your Future With Us! Drop in to learn about \"Entry-Level\"USDA - APHIS - Plant Protection Quarantine Job openings which are open the week of this event!\n\nWe will highlight some information about these positions\, their locations\, and the best way to apply and be considered!\n\nPlease note\, this is intended for students and graduates who have a background\, interest and degree in Biology\, Natural Resources\, Agriculture\, and related sciences. Due to HR Requirements\, applicants in non-science backgrounds will not be considered for the positions.
UID:121666-21846889@events.umich.edu
URL:https://events.umich.edu/event/121666
CLASS:PUBLIC
STATUS:CONFIRMED
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