Medicago truncatula ENOD40-1 and ENOD40-2 are both involved in nodule initiation and bacteroid development | Zendy

Xiaoli Wan | Zendy; Jan Hontelez | Zendy; Alessandra Lillo | Zendy; Chiara Guarnerio | Zendy; Diederik van de Peut | Zendy; Elena Fedorova | Zendy; Ton Bisseling | Zendy; Henk Franssen | Zendy

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Medicago truncatula ENOD40-1 and ENOD40-2 are both involved in nodule initiation and bacteroid development

Author(s) -

Xiaoli Wan,

Jan Hontelez,

Alessandra Lillo,

Chiara Guarnerio,

Diederik van de Peut,

Elena Fedorova,

Ton Bisseling,

Henk Franssen

Publication year - 2007

Publication title -

journal of experimental botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.616

H-Index - 242

eISSN - 1460-2431

pISSN - 0022-0957

DOI - 10.1093/jxb/erm072

Subject(s) - medicago truncatula , nodule (geology) , primordium , biology , microbiology and biotechnology , gene , symbiosis , genetics , bacteria , paleontology

The establishment of a nitrogen-fixing root nodule on legumes requires the induction of mitotic activity of cortical cells leading to the formation of the nodule primordium and the infection process by which the bacteria enter this primordium. Several genes are up-regulated during these processes, among them ENOD40. Here it is shown, by using gene-specific knock-down of the two Medicago truncatula ENOD40 genes, that both genes are involved in nodule initiation. Further, during nodule development, both genes are essential for bacteroid development.

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