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Gene Review

nodD1  -  NodD1 nod-box dependent transcriptional...

Sinorhizobium meliloti 1021

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Disease relevance of nodD1

  • This analysis showed that nodbox 4 from Sinorhizobium meliloti has a high level of expression in F113 that is dependent on an intact nodD1 gene [1].

High impact information on nodD1

  • The NodD1 regulon of Sinorhizobium meliloti was determined through the analysis of the S. meliloti transcriptome in response to the plant flavone luteolin and the overexpression of nodD1 [2].
  • A DNA fragment containing a regulatory gene (nodD1), the common nodulation genes (nodABC), and an operon essential for nitrogen fixation (nifN) from the nod regulon region of the symbiotic plasmid pSyma of S. meliloti was cloned into a plasmid unable to replicate in this organism [3].
  • In this paper we report the application of three different molecular markers, (i) RFLP of nodD genes, (ii) 16S-23S rDNA intergenic gene spacer fingerprinting and (iii) amplification fragment length polymorphism to S. meliloti and S. medicae strains isolated from the Caucasian area, which is the region of origin of the host plant Medicago [4].


  1. Polychlorinated biphenyl rhizoremediation by Pseudomonas fluorescens F113 derivatives, using a Sinorhizobium meliloti nod system to drive bph gene expression. Villacieros, M., Whelan, C., Mackova, M., Molgaard, J., Sánchez-Contreras, M., Lloret, J., Aguirre de Cárcer, D., Oruezábal, R.I., Bolaños, L., Macek, T., Karlson, U., Dowling, D.N., Martín, M., Rivilla, R. Appl. Environ. Microbiol. (2005) [Pubmed]
  2. Transcriptome-based identification of the Sinorhizobium meliloti NodD1 regulon. Capela, D., Carrere, S., Batut, J. Appl. Environ. Microbiol. (2005) [Pubmed]
  3. Increase in alfalfa nodulation, nitrogen fixation, and plant growth by specific DNA amplification in Sinorhizobium meliloti. Castillo, M., Flores, M., Mavingui, P., Martínez-Romero, E., Palacios, R., Hernández, G. Appl. Environ. Microbiol. (1999) [Pubmed]
  4. Genetic relationship of Sinorhizobium meliloti and Sinorhizobium medicae strains isolated from Caucasian region. Biondi, E.G., Pilli, E., Giuntini, E., Roumiantseva, M.L., Andronov, E.E., Onichtchouk, O.P., Kurchak, O.N., Simarov, B.V., Dzyubenko, N.I., Mengoni, A., Bazzicalupo, M. FEMS Microbiol. Lett. (2003) [Pubmed]
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