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Concept
Plasma germinatif
Résumé
Germplasm are genetic resources such as seeds, tissues, and DNA sequences that are maintained for the purpose of animal and plant breeding, conservation efforts, agriculture, and other research uses. These resources may take the form of seed collections stored in seed banks, trees growing in nurseries, animal breeding lines maintained in animal breeding programs or gene banks. Germplasm collections can range from collections of wild species to elite, domesticated breeding lines that have undergone extensive human selection. Germplasm collection is important for the maintenance of biological diversity, food security, and conservation efforts.
In the United States, germplasm resources are regulated by the National Genetic Resources Program (NGRP), created by the U.S. congress in 1990. In addition the web server The Germplasm Resources Information Network (GRIN) provides information about germplasms as they pertain to agriculture production.
In the United States, germplasm resources are regulated by the National Genetic Resources Program (NGRP), created by the U.S. congress in 1990. In addition the web server The Germplasm Resources Information Network (GRIN) provides information about germplasms as they pertain to agriculture production.
Specifically for plants, there is the U.S. National Plant Germplasm System (NPGS) which holds > 450,000 accessions with 10,000 species of the 85 most commonly grown crops. Many accessions held are international species, and NPGS distributes germplasm resources internationally.
As genetic information moves largely online there is a transition in germplasm information from a physical location (seed banks, cryopreserving) to online platforms containing genetic sequences. In addition there are issues in the collection germplasm information and where they are shared. Historically some germplasm information had been collected in developing countries and then shared to researchers who then sell the donor country the original germplasm that they altered.
Source officielle
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