RRC ID 854
Author Imaizumi-Anraku H, Takeda N, Charpentier M, Perry J, Miwa H, Umehara Y, Kouchi H, Murakami Y, Mulder L, Vickers K, Pike J, Downie JA, Wang T, Sato S, Asamizu E, Tabata S, Yoshikawa M, Murooka Y, Wu GJ, Kawaguchi M, Kawasaki S, Parniske M, Hayashi M.
Title Plastid proteins crucial for symbiotic fungal and bacterial entry into plant roots.
Journal Nature
Abstract The roots of most higher plants form arbuscular mycorrhiza, an ancient, phosphate-acquiring symbiosis with fungi, whereas only four related plant orders are able to engage in the evolutionary younger nitrogen-fixing root-nodule symbiosis with bacteria. Plant symbioses with bacteria and fungi require a set of common signal transduction components that redirect root cell development. Here we present two highly homologous genes from Lotus japonicus, CASTOR and POLLUX, that are indispensable for microbial admission into plant cells and act upstream of intracellular calcium spiking, one of the earliest plant responses to symbiotic stimulation. Surprisingly, both twin proteins are localized in the plastids of root cells, indicating a previously unrecognized role of this ancient endosymbiont in controlling intracellular symbioses that evolved more recently.
Volume 433(7025)
Pages 527-31
Published 2005-2-3
DOI 10.1038/nature03237
PII nature03237
PMID 15616514
MeSH Alleles Amino Acid Sequence Bacterial Physiological Phenomena* Calcium Signaling DNA, Complementary / genetics Fungi / physiology* Genes, Plant / genetics Lotus / cytology Lotus / genetics Lotus / metabolism* Lotus / microbiology Models, Molecular Molecular Sequence Data Mutation / genetics Phenotype Phylogeny Plant Proteins / chemistry Plant Proteins / genetics Plant Proteins / metabolism* Plant Roots / cytology Plant Roots / genetics Plant Roots / metabolism Plant Roots / microbiology* Plastids / genetics Plastids / metabolism* Protein Transport RNA, Messenger / genetics RNA, Messenger / metabolism Symbiosis / physiology*
IF 43.07
Times Cited 215
Lotus / Glycine Gifu B-129 Miyakojima MG-20