Article
Remodeling of the infection chamber before infection thread formation reveals a two-step mechanism for rhizobial entry into the host legume root hair.
Plant physiology - 1 Apr 2015
Fournier Joëlle, Teillet Alice, Chabaud Mireille, Ivanov Sergey, Genre Andrea, Limpens Erik, de Carvalho-Niebel Fernanda, Barker David G
Abstract excerpt
In many legumes, root entry of symbiotic nitrogen-fixing rhizobia occurs via host-constructed tubular tip-growing structures known as infection threads (ITs). Here, we have used a confocal microscopy live-tissue imaging approach to investigate early stages of IT formation in Medicago truncatula root hairs (RHs) expressing fluorescent protein fusion reporters. This has revealed that ITs only initiate 10 to 20 h...
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