Publications by authors named "Kaeli C Johnson"

Background: University campus clinics provide crucial sexual health services to students, including STI/HIV screening, testing, contraception, and counseling. These clinics are essential for engaging young adults who may lack access to primary care or have difficulty reaching off-campus services. Dating apps are widely used by young adults, yet there is a lack of studies on how they affect sexual practices.

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Compared to other age groups, 18- to 25-year olds (young adults) are more likely to engage in heavy alcohol use and inconsistent contraceptive use, increasing their susceptibility to sexually transmitted infections (STIs) and unintended pregnancy. The Studying Alcohol and Related Risks (STARR) intervention was efficacious in reducing young adult alcohol-related risky sexual behavior, including reducing the number of casual sexual partners and alcohol use prior to sex. We conducted a qualitative study to guide the adaptation of the STARR intervention to include additional content on contraceptive use and prepare for dissemination of the intervention to a community audience.

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Background: Direct-to-consumer (DTC) sexually transmitted infection (STI) screening methods use self-collected samples in a nonclinical setting. Direct-to-consumer methods may reach a population of women who avoid screening because of stigma and privacy concerns, or who lack access to clinical care. Little is known about the salient dissemination approaches to promote these methods.

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Transgender individuals globally face varying policy contexts that can influence their health. In the United States (US), a patchwork of exclusionary and inclusive policies exists, creating potentially different social and political contexts that shape transgender health depending on the state. In this article, we consider how recent legislation introduced in US states focused on transgender people may be a political determinant of health and affect health equity goals.

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Background: Young adults (ages 18-24 years) are disproportionately burdened by sexually transmitted infections (STIs), but STI screening rates are low among this age group. Negative social factors, such as stigma, influence STI screening behavior, but it is unknown if alternative methods such as consumer-based screening can reduce these barriers. This study examined how stigma impacts consumer-based STI testing among young adult women.

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Stringent modulation of immune signaling in plants is necessary to enable a rapid response to pathogen attack without spurious defense activation. To identify genes involved in plant immunity, a forward genetic screen for enhancers of the autoimmune snc1 (suppressor of npr1, constitutive 1) mutant was conducted. The snc1 mutant contains a gain-of-function mutation in a gene encoding a NOD-like receptor (NLR) protein.

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Plants employ five DNA-dependent RNA polymerases (Pols) in transcription. One of these polymerases, Pol III, has previously been reported to transcribe 5S rRNA, tRNAs, and a number of small RNAs. However, in-depth functional analysis is complicated by the fact that knockout mutations in Pol subunits are typically lethal.

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SNC1 (SUPPRESSOR OF NPR1, CONSTITUTIVE 1) is one of a suite of intracellular Arabidopsis NOD-like receptor (NLR) proteins which, upon activation, result in the induction of defense responses. However, the molecular mechanisms underlying NLR activation and the subsequent provocation of immune responses are only partially characterized. To identify negative regulators of NLR-mediated immunity, a forward genetic screen was undertaken to search for enhancers of the dwarf, autoimmune gain-of-function snc1 mutant.

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In order to defend against microbial infection, plants employ a complex immune system that relies partly on resistance (R) proteins that initiate intricate signaling cascades upon pathogen detection. The resistance signaling network utilized by plants is only partially characterized. A genetic screen conducted to identify novel defense regulators involved in this network resulted in the isolation of the snc6-1D mutant.

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