What is it about?
Transport of nutrients from interfacial apoplast into plant cells is thought to depend heavily on the electrochemical proton gradient generated by the H+-ATPase located on the plant periarbuscular membrane (PAM). our results show that an AM-specific tomato H+-ATPase, SlHA8, is essential for AM symbiosis and mycorrhizal P and N uptake.
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Photo by Sangga Rima Roman Selia on Unsplash
Why is it important?
Our results propose a pivotal role of the SlHA8 gene in energizing the periarbuscular membrane for both symbiotic P and N transport in tomato, and highlight the evolutionary conservation of the AM-specific H+-ATPase orthologs in maintaining AM symbiosis across different eudicot and monocot mycorrhizal plant species.
Perspectives
I hope this artice will help to understand the evolution of regulatory modules that determine mutualistic interactions at the root-fungus interface in AM symbiosis.
Junli Liu
Zhejiang Academy of Agricultural Sciences
Read the Original
This page is a summary of: A mycorrhiza‐specific H
+
‐ATPase is essential for arbuscule development and symbiotic phosphate and nitrogen uptake, Plant Cell & Environment, April 2020, Wiley,
DOI: 10.1111/pce.13714.
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