questionsmedicales.fr
Environnement et santé publique
Environnement
Écosystème
Biodiversité
Biodiversité : Questions médicales fréquentes
Termes MeSH sélectionnés :
Gene Expression Regulation
Diagnostic
5
Systèmes d'information géographique
Biodiversité
Échantillonnage
Biodiversité
Espèces menacées
Conservation
Perte de biodiversité
Écosystèmes
Symptômes
5
Perte de biodiversité
Écosystèmes
Santé publique
Biodiversité
Écosystèmes aquatiques
Biodiversité
Prévention
5
Préservation
Gestion durable
Éducation environnementale
Sensibilisation
Empreinte écologique
Développement durable
Espèces invasives
Écosystèmes
Agriculture durable
Agroécologie
Traitements
5
Restauration écologique
Biodiversité
Politiques environnementales
Conservation
Organisations non gouvernementales
Conservation
Conservation
Réserves naturelles
Communautés locales
Éducation environnementale
Complications
5
Services écosystémiques
Crises alimentaires
Changement climatique
Écosystèmes
Économie
Ressources naturelles
Sécurité alimentaire
Biodiversité
Facteurs de risque
5
Destruction des habitats
Pollution
Urbanisation
Fragmentation des habitats
Agriculture intensive
Érosion génétique
Changement climatique
Extinction
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}
},
{
"@type": "Question",
"name": "Quelles politiques soutiennent la biodiversité ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des politiques incluent la protection des habitats, les lois sur la conservation et les accords internationaux."
}
},
{
"@type": "Question",
"name": "Comment les ONG contribuent-elles ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les ONG sensibilisent, financent des projets de conservation et militent pour des politiques durables."
}
},
{
"@type": "Question",
"name": "Quels programmes de conservation existent ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des programmes incluent les réserves naturelles, les corridors écologiques et les projets de réintroduction."
}
},
{
"@type": "Question",
"name": "Comment impliquer les communautés locales ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Impliquer les communautés par l'éducation, la participation à des projets et le partage des bénéfices."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences de la perte de biodiversité ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les conséquences incluent la dégradation des écosystèmes, la perte de services écosystémiques et des crises alimentaires."
}
},
{
"@type": "Question",
"name": "Comment la perte de biodiversité affecte-t-elle le climat ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "La perte de biodiversité peut aggraver le changement climatique en réduisant la résilience des écosystèmes."
}
},
{
"@type": "Question",
"name": "Quels risques pour la santé publique ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "La perte de biodiversité peut augmenter les risques de maladies infectieuses et de zoonoses."
}
},
{
"@type": "Question",
"name": "Quelles sont les implications économiques ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les implications économiques incluent la perte de ressources naturelles et l'impact sur l'agriculture et le tourisme."
}
},
{
"@type": "Question",
"name": "Comment la biodiversité influence-t-elle la sécurité alimentaire ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une biodiversité riche assure des cultures variées et résilientes, essentielles pour la sécurité alimentaire."
}
},
{
"@type": "Question",
"name": "Quels facteurs menacent la biodiversité ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent la destruction des habitats, la pollution, le changement climatique et les espèces invasives."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'urbanisation ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'urbanisation entraîne la fragmentation des habitats et la perte d'espaces naturels, menaçant la biodiversité."
}
},
{
"@type": "Question",
"name": "Comment l'agriculture intensive impacte-t-elle la biodiversité ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'agriculture intensive réduit la diversité des cultures et des habitats, augmentant les risques d'érosion génétique."
}
},
{
"@type": "Question",
"name": "Quels effets du changement climatique ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le changement climatique modifie les habitats, provoquant des migrations d'espèces et des extinctions."
}
},
{
"@type": "Question",
"name": "Comment la pollution affecte-t-elle la biodiversité ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "La pollution de l'air, de l'eau et des sols nuit aux espèces et dégrade les écosystèmes, menaçant la biodiversité."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 01/04/2025
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstrasse 4, 04103 Leipzig, Germany; Institute of Biology, Leipzig University, Puschstrasse 4, 04103 Leipzig, Germany. Electronic address: nico.eisenhauer@idiv.de.
Publications dans "Biodiversité" :
2 publications dans cette catégorie
Affiliations :
Department of Animal Health, Faculty of Natural and Agricultural Sciences, Mafikeng Campus, North-West University, Private Bag X2046, Mmabatho 2735, Mafikeng, South Africa.
Publications dans "Biodiversité" :
2 publications dans cette catégorie
Affiliations :
Department of Animal Health, Faculty of Natural and Agricultural Sciences, Mafikeng Campus, North-West University, Private Bag X2046, Mmabatho 2735, Mafikeng, South Africa.
Publications dans "Biodiversité" :
2 publications dans cette catégorie
Affiliations :
Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, 8057, Switzerland.
Organismal & Evolutionary Biology Research Program, University of Helsinki, PO Box 65, Helsinki, FI-00014, Finland.
Publications dans "Biodiversité" :
2 publications dans cette catégorie
Affiliations :
Universidade de São Paulo, Museu de Zoologia, Seção de Aves, Av. Nazaré, 481, Centro, 04263-000 Ipiranga, SP, Brazil.
Publications dans "Biodiversité" :
2 publications dans cette catégorie
Publications dans "Biodiversité" :
2 publications dans cette catégorie
Affiliations :
Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, USA. Michael.Behrenfeld@oregonstate.edu.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Unidad de Protección Vegetal, Instituto Canario de Investigaciones Agrarias, Valle de Guerra, Santa Cruz de Tenerife, Canary Islands, Spain.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Unidad de Protección Vegetal, Instituto Canario de Investigaciones Agrarias, Valle de Guerra, Santa Cruz de Tenerife, Canary Islands, Spain.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Unidad de Protección Vegetal, Instituto Canario de Investigaciones Agrarias, Valle de Guerra, Santa Cruz de Tenerife, Canary Islands, Spain.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Unidad de Protección Vegetal, Instituto Canario de Investigaciones Agrarias, Valle de Guerra, Santa Cruz de Tenerife, Canary Islands, Spain.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Department of Animal Health, Faculty of Natural and Agricultural Sciences, Mafikeng Campus, North-West University, Private Bag X2046, Mmabatho 2735, Mafikeng, South Africa.
Department of Agricultural Technology, School of Agriculture, Ekiti State Polytechnic, Isan-Ekiti PMB 1101, Nigeria.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Department of Animal Health, Faculty of Natural and Agricultural Sciences, Mafikeng Campus, North-West University, Private Bag X2046, Mmabatho 2735, Mafikeng, South Africa.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
1All-Russian Rice Research Institute, 3 Belozerny Lane, Krasnodar, Russian Federation 350921.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Agrarian Scientific Center "Donskoy", Nauchny Gorodok 3, Zernograd, Russian Federation 347740.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
Agrarian Scientific Center "Donskoy", Nauchny Gorodok 3, Zernograd, Russian Federation 347740.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
1All-Russian Rice Research Institute, 3 Belozerny Lane, Krasnodar, Russian Federation 350921.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
1All-Russian Rice Research Institute, 3 Belozerny Lane, Krasnodar, Russian Federation 350921.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
3All-Russia Research Institute of Agricultural Biotechnology, 42 Timiryazevskaya Street, Moscow, Russian Federation 127550.
Publications dans "Biodiversité" :
1 publication dans cette catégorie
Affiliations :
3All-Russia Research Institute of Agricultural Biotechnology, 42 Timiryazevskaya Street, Moscow, Russian Federation 127550.
Publications dans "Biodiversité" :
Skeletal muscle development and regeneration is governed by the combined action of Myf5, MyoD, Mrf4 and MyoG, also known as the myogenic regulatory factors (MRFs). These transcription factors are expr...
Short tandem repeats affect gene expression by binding regulatory proteins....
Regulation of gene expression takes a central place in normal cells to maintain tissue homeostasis but also in cancer cells to respond to intra- and extra-cellular stimuli, such as therapeutic drugs [...
Gene-expression regulation involves multiple processes and a range of regulatory factors. In this review, we describe the key factors that regulate gene expression, including transcription factors (TF...
Viruses have evolved a multitude of mechanisms to combat barriers to productive infection in the host cell. Virally-encoded miRNAs are one such means to regulate host gene expression in ways that bene...
Cellular functions are regulated by signal transduction pathway networks consisting of protein-modifying enzymes that control the activity of many downstream proteins. Protein kinases and phosphatases...
Variation in DNA methylation (DNAm) in adipose tissue is associated with the pathogenesis of obesity and insulin resistance. The activity of enzymes involved in altering DNAm levels is dependent on se...
To understand the role of metabolites as mechanistic regulators of epigenetic marks, we tested the association between selected plasma metabolites and DNAm levels in the adipose tissue of African Amer...
In the AAGMEx cohort (N = 256), plasma levels of metabolites were measured by untargeted liquid chromatography-mass spectrometry; adipose tissue DNAm and transcript levels were measured by reduced rep...
Among the 21 one-carbon metabolism pathway metabolites evaluated, six were associated with gluco-metabolic traits (P...
Our study suggests that a subset of metabolites modulates the methylation levels of CpG sites in specific loci and, in turn, regulates the expression of transcripts involved in obesity and insulin res...
Coronary artery disease (CAD) is the leading cause of death worldwide. Recent meta-analyses of genome-wide association studies have identified over 175 loci associated with CAD. The majority of these ...
We measured gene expression in SMCs isolated from the ascending aortas of 151 heart transplant donors of various genetic ancestries in quiescent or proliferative conditions and calculated the associat...
We identified 4910 expression and 4412 splicing quantitative trait loci (sQTLs) representing regions of the genome associated with transcript abundance and splicing. A total of 3660 expression quantit...
Collectively, our results provide evidence for the molecular mechanisms of genetic susceptibility to CAD in distinct SMC phenotypes....
Cell type- and differentiation-specific gene expression is precisely controlled by genomic non-coding regulatory elements (NCREs), which include promoters, enhancers, silencers and insulators. It is e...
Although gene-expression (GE) and protein levels are typically strongly genetically regulated, their correlation is known to be low. Here we investigate this phenomenon by focusing on the genetic back...
We performed locus-wide association studies of 92 protein levels measured in whole blood for 2,014 samples of European ancestry and found that 66 are genetically regulated. Three female- and one male-...
While total GE and protein levels are only weakly correlated, we found high correlations between their genetically regulated components across multiple tissues. Of note, strong negative causal effects...