Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “Life”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 1,225 records · Page 68Linked to original sources
PubMed2006

Life on the edge: the long-term persistence and contrasting spatial genetic structure of distinct brown trout life histories at their ecological limits.

The Atlantic Iberian brown trout is at the southwestern limit of its distribution. At this ecological edge, which was once a glacial refugia, anadromy becomes less common as increased water temperatures restricted populations closer to the headwaters. We examined 847 individuals from 20 populations from throughout this region and assessed spatial genetic structure using 11 protein and four microsatellite loci. The higher levels of heterozygosity and allelic diversity north of the southernmost limit of anadromy (SLA), as well as an isolation-by-distance model of population structure, likely influenced by the anadromous forms, suggest that more stable demographic conditions existed over time in this region. Populations south of the SLA were highly differentiated given the restricted size of the area (protein F(ST) = 0.16 in the north and 0.63 in the south of the SLA; microsatellite F(ST) = 0.18 in the north and 0.70 in the south of the SLA). The low levels of heterozygosity and the pattern of southward allele depletion in resident populations is indicative of fragmentation, caused by stressful ecological conditions that reduced the anadromy (restricting gene flow) and the effective population sizes (higher genetic drift), which, in combination, dramatically decreased within-population genetic variation and increased among-population genetic variation. The higher gene diversity north of the SLA does not reflect ancestry but rather the signature of a population size expansion, as evidence suggest the persistence of older populations (with several private alleles) south of the SLA. These data support a scenario that demonstrates how contemporary events (critical ecological conditions) can moderate historical influences, suggesting that careful interpretation of the evolutionary history of glacial refugia is necessary, especially where populations persisted for a long time but not always with optimal ecological conditions. These peripheral populations are of high conservation value and should be preserved to help conserve the future potential of the species.

Animals↗
PubMed2000

Dissecting life with a Jewish scalpel: a qualitative analysis of Jewish-centered family life.

This article highlights findings from a qualitative analysis of the ways in which Jewish families identify how Judaism influences their lives. A theoretical sample of two religious and two cultural families were chosen from a larger sample of 48 Jewish families in Central New York. The qualitative part of this study, which was part of a larger multimethod investigation, was done in order to gather inductively any data that would allow the researchers to build a theory about a particular type of ethnic identity--Jewish identity--and how it affects family dynamics. Eleven categories emerged from this study, which suggest that this particular type of ethnic identity influences many family dynamics, for example, styles of communicating, parenting, values, and family rituals. The participants seem to dissect the world with a "Jewish scalpel." This "scalpel" informs their daily interactions, their parenting styles, and their childrens' self-perceptions.

Adolescent↗
PubMed1989

Maintenance of grip on life and goals of life: a valuable criterion for evaluating outcome in schizophrenia.

This article describes the evaluation of schizophrenia patients' maintenance of grip as a comprehensive assessment of the total psychosocial status of these patients. This evaluation was tested with new schizophrenic patients (DSM-III) who took part in a standardized interview at entry and after a 2-year follow-up. The interviews and examinations were conducted by the psychiatric teams responsible for the treatment of the patients. There was a clear positive correlation between the evaluation of maintenance of grip and interpersonal interaction, heterosexual development, hobbies, level of activity and productivity (working) of the patients, and a negative correlation with negative symptoms. The psychodynamically interpreted evaluation of the degree of regression correlated positively with maintenance of grip, but only after the 2-year follow-up. At entry the other variables describing the psychosocial status of the patient explained 22% of the variation in maintenance of grip, but 41% at the follow-up stage. The evaluation of maintenance of grip presented at baseline also predicted the coping of the patients during the follow-up stage. The authors recommend that the evaluation of maintenance of grip be used as an auxiliary tool in the assessment and treatment of schizophrenia patients.

Adolescent↗
PubMedDate not supplied

Real life and reel life.

Explore the source record for details and available documents.

Adaptation, Psychological↗
PubMed1975

Life strengths and life stresses: explorations in the measurement of the mental health of the Black aged.

This paper describes an attempt to understand the self-concept, social characteristics, personal strengths, and frailties of a group of older black men and women, in order to tailor mental health and social work services to their needs. Difficulties inherent in obtaining such information were minimized by a methodology that integrated the research and service aspects of the project. Results of the pilot study, and service implications, are discussed.

Black or African American↗