Genetic resources means
genetic material
Nucleic acids are large biomolecules that are crucial in all cells and viruses. They are composed of nucleotides, which are the monomer components: a 5-carbon sugar, a phosphate group and a nitrogenous base. The two main classes of nucleic aci ...
of actual or potential value where genetic material means any material of plant, animal, microbial or other origin containing functional units of heredity... Genetic resources thus refer to the part of
genetic diversity
Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. It ranges widely, from the number of species to differences within species, and can be correlated to the span of survival for a species. It is d ...
that has or could have practical use, such as in plant breeding. The term was introduced by
Otto Frankel and
Erna Bennett for a technical conference on the exploration, utilization and conservation of plant genetic resources, organized by the
Food and Agriculture Organisation (FAO) and the
International Biological Program
The International Biological Program (IBP) was an effort between 1964 and 1974 to coordinate large-scale ecological and environmental studies. Organized in the wake of the successful International Geophysical Year (IGY) of 1957–1958, the Interna ...
(IBP), held in Rome, Italy, 18–26 September 1967.
Genetic resources is one of the three levels of
biodiversity
Biodiversity is the variability of life, life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and Phylogenetics, phylogenetic diversity. Diversity is not distribut ...
defined by Article 2 of the
Convention on Biological Diversity
The Convention on Biological Diversity (CBD), known informally as the Biodiversity Convention, is a multilateral treaty. The Convention has three main goals: the conservation of biological diversity (or biodiversity); the sustainable use of its ...
(CBD) in Rio, 1992
Under the CBD, discussions and negotiations regarding genetic resources are organized by the FAO
Commission of Genetic Resources for Food and Agriculture. This commission distinguishes the following domains of genetic resources:
*
Animal genetic resources
* Aquatic genetic resources
*
Forest genetic resources
Forest genetic resources or forest tree genetic resources are genetic resources (i.e., genetic material of actual or future value) of forest shrub and tree species. Forest genetic resources are essential for forest-depending communities who rely fo ...
* Micro-organisms and invertebrates
*
Plant genetic resources
Genetic resources are threatened by
genetic erosion
Genetic erosion (also known as genetic depletion or genomic erosion) is a process where the limited gene pool of an endangered species diminishes even more when reproductive individuals die off before reproducing with others in their endangered l ...
and conservation activities are undertaken to prevent loss of diversity.
History
Before the introduction of the term, the Russian scientist
Nikolai Vavilov
Nikolai Ivanovich Vavilov ( rus, Никола́й Ива́нович Вави́лов, p=nʲɪkɐˈlaj ɪˈvanəvʲɪtɕ vɐˈvʲiləf, a=Ru-Nikolay_Ivanovich_Vavilov.ogg; – 26 January 1943) was a Russian and Soviet Union, Soviet agronom ...
initiated comprehensive studies on plant genetic resources and conservation work in the 1920’s. The American botanist
Jack Harlan
Jack Rodney Harlan (June 7, 1917 – August 26, 1998) was an American botanist, agronomist, plant collector, and campaigner for crop plant biodiversity conservation.
Early life
Born in Washington, DC, Jack Harlan was the son of Harry Harlan, a p ...
stressed the tight link between
plant genetic resources and man in a seminal publication "Crops and Man".
Methodologies for conservation of genetic resources
There are two complementary ways to conserve genetics resources:
*''in situ'', which consists in managing populations on-site, dynamically evolving in their natural environment. ''In situ'' methodologies include:
** conservation in natural populations (in nature)
** on farm conservation
* ''
ex situ
Svalbard Global Seed Bank, an ' conservation
''Ex situ'' conservation () is the process of protecting an endangered species, variety, or breed of plant or animal outside its natural habitat. For example, by removing part of the population from ...
'', which consists in conserving individuals or populations out of their natural environments. ''Ex situ''
gene bank
A gene bank is a type of biorepository that is used across the world to store the genetic material of animals, plants, and other organisms. It preserves their genetic information in the form of reproductive material like seeds, sperm, eggs, emb ...
methodologies include:
** conservation in
seed bank
A seed bank (also seed banks, seeds bank or seed vault) stores seeds to preserve genetic diversity; hence it is a type of gene bank. There are many reasons to store seeds. One is to preserve the genes that plant breeders need to increase yield, ...
s
**
in vitro
''In vitro'' (meaning ''in glass'', or ''in the glass'') Research, studies are performed with Cell (biology), cells or biological molecules outside their normal biological context. Colloquially called "test-tube experiments", these studies in ...
conservation
**
cryopreservation
Cryopreservation or cryoconservation is a process where biological material - cells, tissues, or organs - are frozen to preserve the material for an extended period of time. At low temperatures (typically or using liquid nitrogen) any cell ...
International policies
Policies are key to ensure the fair and equitable sharing of benefits derived from the use of genetic resources, for present and future generations. The main international policy framework that regulates genetic resources exchange and use is the
Nagoya Protocol
The Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of Benefits Arising from their Utilization to the Convention on Biological Diversity, also known as the Nagoya Protocol on Access and Benefit Sharing (ABS), is ...
which entered into force in 2014. It defines and protects the owners of genetic resources and it sets the rules for
Access and Benefit Sharing (ABS)
Peer-reviewed literature
The following scientific journals are dedicated to the topic of genetic resources conservation and sustainable use:
*
Conservation Genetics Resources
Conservation GeneticsGenetic resources(open access)
Journal of Genetic ResourcesPlant Genetic ResourcesGenetic Resources and Crop Evolution
See also
*
Germplasm
Germplasm refers to 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 s ...
, genetic resources that are preserved for various purposes such as breeding, preservation, and research
*
, an international agreement to promote sustainable use of the world's plant genetic resources
*Genetic resources contribute to the provisioning
ecosystem services
Ecosystem services are the various benefits that humans derive from Ecosystem, ecosystems. The interconnected Biotic_material, living and Abiotic, non-living components of the natural environment offer benefits such as pollination of crops, clean ...
.
References
{{reflist
Conservation biology
Genetics