To identify downstream and/or interactive factors of the nsdD gene, which encodes a positive regulator of sexual development of Aspergillus nidulans, suppressor mutants displaying a self-fertile phenotype were isolated from a sterile nsdD deletion mutant. At least five different loci (sndA-E) were identified and genetically analyzed. In the nsdD (+) background, most of the suppressors showed a marked increment of sexual development, even under the stress conditions that normally inhibited sexual development. The common phenotype of the suppressor mutants suggested the involvement of the snd genes in the negative regulation of sexual development in response to the environmental factors.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s12275-011-1111-4 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Morphological characterization of retinal development from birth to adulthood via retinal thickness assessment in mice: a systematic review.
Exp Eye Res
January 2025
Institute of Biomedical Engineering, University of Montréal, Montréal, Canada; Research Center, CHU Sainte-Justine University Hospital Centre, Montréal, Canada; Department of Radiology, Radio-oncology and Nuclear Medicine, University of Montréal, Montréal, Canada. Electronic address:
The morphology and thickness of the retinal layers are valuable biomarkers for retinal health and development. The retinal layers in mice are similar to those in humans; thus, a mouse is appropriate for studying the retina. The objectives of this systematic review were: (1) to describe normal retinal morphology quantitatively using retinal layer thickness measured from birth to age 6 months in healthy mice; and (2) to describe morphological changes in physiological retinal development over time using the longitudinal (in vivo) and cross-sectional (ex vivo) data from the included studies.
View Article and Find Full Text PDFAssessing the drivers of sexual behavior among youth and its social determinants in Nepal.
PLoS One
January 2025
Health Research and Social Development Forum (HERD) International, Lalitpur, Nepal.
Introduction: Sexual behavior among youth is a public health concern, particularly in contexts where cultural norms, socio-economic factors, and access to comprehensive sexual education play pivotal roles. This paper aims to examine the determinants of sexual behavior among Nepali youths.
Methods: This study analyzed data from 7,122 individuals aged 15-24 years from the Nepal Demographic and Health Survey (NDHS) 2022, focusing on a nationally representative sample.
Polygyny and intimate partner violence among married women: Sub-national estimates from a cross-sectional study in the Democratic Republic of the Congo.
PLOS Glob Public Health
January 2025
African Population and Health Research Center, Nairobi, Kenya.
Intimate partner violence (IPV) is a global issue with several social and health consequences. Global estimates indicate that one-third of women have experienced lifetime IPV. In 2013, sub-Saharan Africa recorded the highest rates of IPV.
View Article and Find Full Text PDFGlobal, regional, and national prevalence and trends of infertility among individuals of reproductive age (15-49 years) from 1990 to 2021, with projections to 2040.
Hum Reprod
January 2025
Clinical Experimental Center, Jiangmen Engineering Technology Research Center of Clinical Biobank and Translational Research, Jiangmen Central Hospital, Jiangmen, China.
Study Question: What is the prevalence and trend of infertility among individuals of childbearing age at global, regional, and national levels by sex and socio-demographic index (SDI) across 21 regions and 204 countries and territories?
Summary Answer: Our findings reveal a growing prevalence of infertility among individuals aged 15-49 years worldwide from 1990 to 2021, with an expected continued increase through 2040.
What Is Known Already: Infertility is a persistent global reproductive health issue, leading to significant societal and health consequences. No study has specifically described the current prevalence of infertility, its secular trend, or the variations between regions or countries with different SDI levels.
Bone Disease Associated with Inactivating Aromatase Mutations and its Management.
Calcif Tissue Int
January 2025
Department of Medicine, Surgery and Neurosciences, University of Siena, Policlinico Santa Maria Alle Scotte, Siena, Italy.
Aromatase deficiency (ORPHA:91; OMIM: 613,546) is a rare, autosomal recessive disorder due to loss of function mutations in the CYP19A1 gene, described in both genders with an estimated incidence below 1/1000000. While in female the clinical manifestations generally occur at birth or in early infancy, and mainly involve sexual characteristics, in men clinical signs of aromatase deficiency mostly occur in puberty and especially in late puberty, so that diagnosis is generally established after the second decade due to tall stature, unfused epiphyses and reduced bone mass. Here we review the available information concerning the skeletal and extraskeletal phenotype and the clinical management of bone health in patients with aromatase CYP19A1 gene mutations.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!