Insights on the Impact of Arbuscular Mycorrhizal Symbiosis on
Eucalyptus grandis
MAPK cascade genes
antioxidation system
arbuscular mycorrhizal fungi
drought resistance genes
drought stress
osmotic regulation
Journal
Microbiology spectrum
ISSN: 2165-0497
Titre abrégé: Microbiol Spectr
Pays: United States
ID NLM: 101634614
Informations de publication
Date de publication:
16 Mar 2023
16 Mar 2023
Historique:
entrez:
17
3
2023
pubmed:
18
3
2023
medline:
18
3
2023
Statut:
aheadofprint
Résumé
Drought stress has a negative impact on plant growth and production. Arbuscular mycorrhizal (AM) fungi, which establish symbioses with most terrestrial vascular plant species, play important roles in improving host plant mineral nutrient acquisition and resistance to drought. However, the physiological and molecular regulation mechanisms occurring in mycorrhizal Eucalyptus grandis coping with drought stress remain unclear. Here, we studied the physiological changes and mitogen-activated protein kinase (MAPK) cascade gene expression profiles of E. grandis associated with AM fungi under drought stress. The results showed that colonization by AM fungi significantly enhanced plant growth, with higher plant biomass, shoot height, root length, and relative water content (RWC) under drought conditions. Mycorrhizal plants had lower levels of accumulation of proline, malondialdehyde (MDA), H
Identifiants
pubmed: 36927000
doi: 10.1128/spectrum.04381-22
pmc: PMC10100883
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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