I Introduction II Populations targeted by public health genetics interventions III Ethical, legal, and social implications of public health genetic interventions III 1. Use of genetic information: confidentiality and discrimination III 2. DNA banks III 3. Prenatal diagnosis, assisted reproduction and embryo selection IV Examples of the role of public health in genetics IV 1. Folic acid and neur...

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Functional magnetic resonance imaging (fMRI) can be combined with genotype assessment to identify brain systems that mediate genetic vulnerability to mental disorders ("imaging genetics"). A data analysis approach that is widely applied is "functional connectivity". In this approach, the temporal correlation between the fMRI signal from a pre-defined brain region (the so-called "seed point") an...

We identify a new natural coalescent structure, the seed-bank coalescent, which describes the gene genealogy of populations under the influence of a strong seedbank effect, where ‘dormant forms’ of individuals (such as seeds or spores) may jump a significant number of generations before joining the ‘active’ population. Mathematically, our seed-bank coalescent appears as scaling limit in a Wrigh...

HE initial discovery by POLGE, SMITH and PARKES (1949) that glycerol aff ords protection to spermatozoa during freezing and thawing subsequently led to the development of semen banks which have greatly facilitated livestock improvement especially in the cattle breeding industry. However, until recently, the few attempts to preserve mammalian embryos by freezing have been relatively unsuccessful...

Seed germination plays an important role in determining the composition and regeneration of plant populations (Stipa breviflora). However, the influencing factors and strategies employed for seed germination in desert grasslands under grazing remain unknown. Therefore, in this study, the reproductive allocation, seed density, seed properties, and corresponding seed germination rates of S. brevi...