ITbM-GTR Seminar
Title: Molecular Genetics of Arbuscular Mycorrhizal Symbiosis in Cereals
Speaker: Professor Uta Paszkowski (Crop Science Centre, Department of Plant Sciences,University of Cambridge)
Date: Monday August 8th, 2022 13:30-15:00
Venue: Lecture Room, 1F, ITbM ※Note: Depending on the COVID-19 infection status,this seminar may be changed to online.
Language: English
The arbuscular mycorrhizal (AM) symbiosis is a fascinating mutualistic
interaction between roots of most land plants and fungi of the phylum
of the Glomeromycota. The development of this life-long alliance starts
with reciprocal recognition in the rhizosphere, reprogramming both
symbionts for the anticipated association. The interaction proceeds
towards extensive root colonization which culminates in the formation of
fungal feeding structures, the arbuscules, inside root cortex cells.
As the arbuscule develops, the plant cell dramatically increases membrane
biogenesis to envelope the growing hyphal structure. Thereby a hugely
enlarged intracellular surface area is created between the two organisms,
appearing ideally adapted for the exchange of signals and nutrients.
The nature and complexity of the establishment of AM symbioses must be
the result of a well-orchestrated exchange of molecular signals between
the plant and the fungus. The nature of some of the signals has been
discovered in recent years, providing a first insight into the type of
chemical language spoken between the two symbiotic partners. My group
has taken molecular genetics and lately advanced imaging approaches to
elucidate the molecular mechanisms underpinning this apparently harmonious
symbiosis.I will introduce some of our recent observations which have led
us to propose fundamentally new communication mechanisms operating during
this intimate plant-fungal partnership
連絡先: Anuphon Laohavisit (anuphon<at>itbm.nagoya-u.ac.jp (<at>→@に変換））
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