Genes 2018, 9(1), 1; https://doi.org/10.3390/genes9010001
Transcriptomic Studies of the Effect of nod Gene-Inducing Molecules in Rhizobia: Different Weapons, One Purpose
Irene Jiménez-Guerrero 1,2, Sebastián Acosta-Jurado 2, Pablo del Cerro 2
, Pilar Navarro-Gómez 2, Francisco Javier López-Baena 2, Francisco Javier Ollero 2, José María Vinardell 2 and Francisco Pérez-Montaño 2,*
, Pilar Navarro-Gómez 2, Francisco Javier López-Baena 2, Francisco Javier Ollero 2, José María Vinardell 2 and Francisco Pérez-Montaño 2,*
1
Department of Plant Pathology and Microbiology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel
2
Departamento de Microbiología, Facultad de Biología, Universidad de Sevilla Avda, Reina Mercedes 6, Sevilla 41012, Spain
*
Author to whom correspondence should be addressed.
Received: 24 October 2017 / Revised: 7 December 2017 / Accepted: 15 December 2017 / Published: 21 December 2017
(This article belongs to the Special Issue Genetics and Genomics of the Rhizobium-Legume Symbiosis)
Abstract
Simultaneous quantification of transcripts of the whole bacterial genome allows the analysis of the global transcriptional response under changing conditions. RNA-seq and microarrays are the most used techniques to measure these transcriptomic changes, and both complement each other in transcriptome profiling. In this review, we exhaustively compiled the symbiosis-related transcriptomic reports (microarrays and RNA sequencing) carried out hitherto in rhizobia. This review is specially focused on transcriptomic changes that takes place when five rhizobial species, Bradyrhizobium japonicum (=diazoefficiens) USDA 110, Rhizobium leguminosarum biovar viciae 3841, Rhizobium tropici CIAT 899, Sinorhizobium (=Ensifer) meliloti 1021 and S. fredii HH103, recognize inducing flavonoids, plant-exuded phenolic compounds that activate the biosynthesis and export of Nod factors (NF) in all analysed rhizobia. Interestingly, our global transcriptomic comparison also indicates that each rhizobial species possesses its own arsenal of molecular weapons accompanying the set of NF in order to establish a successful interaction with host legumes. View Full-TextKeywords:
RNA-seq; microarray; transcriptome; nodulation; rhizobia; flavonoids; symbiosis
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Jiménez-Guerrero, I.; Acosta-Jurado, S.; del Cerro, P.; Navarro-Gómez, P.; López-Baena, F.J.; Ollero, F.J.; Vinardell, J.M.; Pérez-Montaño, F. Transcriptomic Studies of the Effect of nod Gene-Inducing Molecules in Rhizobia: Different Weapons, One Purpose. Genes 2018, 9, 1.
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