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Occurrence of Intersex in the Marine Mussel (Mollusca: Bivalvia): Does Gonadal Parasitism Play a Role?
Biology (Basel)
January 2025
Instituto de Ciencias Marinas y Limnológicas, Universidad Austral de Chile, Independencia 631, Valdivia 5090000, Chile.
Intersexuality is a reproductive phenomenon that occurs in some gonochoric species and refers to the simultaneous presence of both male and female gametes within the same individual. Although this phenomenon has been reported in various invertebrate species, many aspects remain poorly understood, especially in marine mussels. However, it has been suggested that the prevalence of parasites within populations could induce the occurrence of intersex animals.
View Article and Find Full Text PDFGene drive-based population suppression in the malaria vector Anopheles stephensi.
Nat Commun
January 2025
Center for Bioinformatics, Center for Life Sciences, School of Life Sciences, Peking University, Beijing, China.
Gene drives are alleles that can bias the inheritance of specific traits in target populations for the purpose of modification or suppression. Here, we construct a homing suppression drive in the major urban malaria vector Anopheles stephensi targeting the female-specific exon of doublesex, incorporating two gRNAs and a nanos-Cas9 to reduce functional resistance and improve female heterozygote fitness. Our results show that the drive was recessive sterile in both females and males, with various intersex phenotypes in drive homozygotes.
View Article and Find Full Text PDF"A quality of heart, of presence, and of really caring": toward affirmative intersex health communication in Canada.
Front Public Health
January 2025
Centre of Genomics and Policy, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada.
Introduction: This qualitative research study aimed to better understand and help improve the Canadian context for health communication with intersex adults by centering the voices of those directly involved and impacted.
Methods: We conducted 22 semi-structured interviews with intersex individuals (14) and healthcare practitioners (HCPs, 8) from diverse areas of care. Interviews were analyzed via template thematic analysis and filtered through a conceptual lens that brought together agency-based and social-ecological models of health communication.
Exploring parenthood intentions and perceptions of infertility and assisted reproductive technology among 2SLGBTQIA + young adults in Ontario, Canada: a mixed methods study.
J Health Popul Nutr
January 2025
Faculty of Health Sciences, Interdisciplinary School of Health Sciences, University of Ottawa, 25 Université Priv, Ottawa, K1N 6N5, Canada.
Background: As Generation Z two-spirit, lesbian, gay, bisexual, transgender/trans, queer, intersex, asexual and others who identify as part of sexual and gender diverse communities (2SLGBTQIA +) enter adulthood, contemplation of family creation may be challenged by biological and/or social infertility. Despite some advances in societal acceptance of gender and sexual minorities, family planning and reproductive healthcare remain heteronormative. To explore reproductive decision-making and how future families are conceptualized across genders, we evaluated perceptions of Ontario, Canada non-parenting, 2SLGBTQIA + emerging adults.
View Article and Find Full Text PDFRethinking Gender: Beyond the Binary and into the Unknown.
Integr Psychol Behav Sci
January 2025
Bennett University, Greater Noida, India.
Our present and evolved understanding has challenged the previously synonymous use of the terms 'sex' and 'gender'. We have moved beyond the binary categorization towards proliferation of gender identities. Thus, raising questions whether certain identities are traits or gender identities.
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