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DTSTART;TZID=America/Los_Angeles:20190408T000000
DTEND;TZID=America/Los_Angeles:20190408T000000
DTSTAMP:20260507T195316
CREATED:20200922T221019Z
LAST-MODIFIED:20201013T005113Z
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SUMMARY:Alexandra Binder - Epigenetics and the Developmental Origins of Health and Disease
DESCRIPTION:Alexandra Binder: University of California\, Los AngelesThere is extensive epidemiologic and experimental evidence linking early life conditions to adult health. Epigenetic modifications are suspected to play a role in mediating these associations by providing a cellular memory of gene regulation shaped by exposures during critical windows of development. In this lecture\, I will discuss some of my research into the relationships between epigenetic patterns and early life predictors of adult disease susceptibility. I will highlight our recent investigations into specific patterns of DNA methylation that influence pubertal development among a longitudinal cohort of girls in Santiago\, Chile. More generally\, I will detail salient methodological considerations for identifying determinants of epigenetic variation in observational human studies. I will also outline generalizability and reproducibility concerns within the field of epigenetic epidemiology\, and how these considerations should inform study design and the discussion of study implications.
URL:https://bec.ucla.edu/event/alexandra-binder-epigenetics-and-the-developmental-origins-of-health-and-disease/
CATEGORIES:2019,Past Presentation,Presentation
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190415T000000
DTEND;TZID=America/Los_Angeles:20190415T000000
DTSTAMP:20260507T195316
CREATED:20200922T221031Z
LAST-MODIFIED:20201013T005112Z
UID:4417-1555286400-1555286400@bec.ucla.edu
SUMMARY:Pam Yeh - How interactions among multiple stressors affect the ecological and evolutionary trajectories of populations
DESCRIPTION:Pam Yeh: University of California\, Los AngelesAll natural populations deal with multiple stressors. Yet there is limited understanding of how populations are impacted by higher-order interactions — more than two stressors. In this talk I will explain my new conceptual and experimental work to examine higher-order interactions among antibiotics in bacterial populations. I will also present recent work from my group that shows bacteria likely co-opted ancient stress response mechanisms to extreme temperatures in order to deal with more recent antibiotic stresses. This co-opting avoids the need for de novo evolution of response mechanisms to antibiotics.
URL:https://bec.ucla.edu/event/pam-yeh-how-interactions-among-multiple-stressors-affect-the-ecological-and-evolutionary-trajectories-of-populations/
CATEGORIES:2019,Past Presentation,Presentation
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190422T000000
DTEND;TZID=America/Los_Angeles:20190422T000000
DTSTAMP:20260507T195316
CREATED:20200922T221031Z
LAST-MODIFIED:20201013T005112Z
UID:4418-1555891200-1555891200@bec.ucla.edu
SUMMARY:Hazel Byrne - Molecular Neotropical Primatology: Titi Monkey Evolution
DESCRIPTION:Hazel Byrne: University of California\, Los AngelesNeotropical primates are a diverse clade of primates that inhabit South and Central\nAmerica. Broadly speaking\, in comparison to “Old World” primates originating in Africa and Asia\, most Neotropical primates are strikingly understudied with many outstanding questions regarding their evolution. Among the least studied and appreciated groups are the monogamous pair-bonding titi monkeys (subfamily Callicebinae)\, yet titis are also among the most species rich primate radiations with over 30 species recognised. Prior to 2016\, the only phylogeny focusing on titi monkeys was derived from morphological characters in the 1990’s\, and owing to their morphological conservatism\, the depth of diversity found in this clade was highly underestimated. The long-term assumption that titis represented a group of extremely similar primates impacted how we have studied them (i.e.\, existing research is based on a few “representative” species). This talk explores the insight gained into the evolutionary history of these enigmatic primates through molecular phylogenetic studies within the past three years. These studies have revealed deeply divergent titi lineages dating to the Miocene\, uncovered a complex evolutionary history\, and highlighted the consequences of previous assumptions for our already limited understanding of callicebine biology.
URL:https://bec.ucla.edu/event/hazel-byrne-molecular-neotropical-primatology-titi-monkey-evolution/
CATEGORIES:2019,Past Presentation,Presentation
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190429T000000
DTEND;TZID=America/Los_Angeles:20190429T000000
DTSTAMP:20260507T195316
CREATED:20200922T221032Z
LAST-MODIFIED:20201013T005112Z
UID:4419-1556496000-1556496000@bec.ucla.edu
SUMMARY:Katie Starkweather - “Why Risk It? Health Outcomes of Shodagor Women’s Work”
DESCRIPTION:Katie Starkweather: University of New MexicoGendered divisions of labor are an essential aspect of human life. The two primary components of the gendered division of labor – subsistence work and childcare – are critical for child survival\, health\, and well-being\, as well as the reproductive success of parents. In most human societies\, women and men display similar\, gendered patterns of behavior in meeting the subsistence and childcare needs of the household. Human behavioral ecologists have developed theory to explain those trends\, but still have very little understanding of deviation from them\, particularly regarding women’s work. Among Shodagor people in Bangladesh\, a semi-nomadic\, boat-dwelling community\, women’s work varies in the extent to which it adheres to cross-cultural norms of compatibility with childcare and risk aversion. This talk will highlight some of my recent work on the health outcomes and reproductive decision-making that are associated with women’s work when it is incompatible with childcare and produces high levels of economic risk. Preliminary evidence suggests that women who engage in these cross-culturally unusual behaviors are making tradeoffs related to child health and nutrition and are strategically making reproductive decisions that may allow them to maximize time spent working. I will discuss upcoming plans for a project that is based on based on these findings and involves a more detailed assessment of adult and child health outcomes as they relate to women’s work and childcare.
URL:https://bec.ucla.edu/event/katie-starkweather-why-risk-it-health-outcomes-of-shodagor-womens-work/
CATEGORIES:2019,Past Presentation,Presentation
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