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RSS FeedsIJMS, Vol. 19, Pages 3918: Transcriptomic Characterization of Bradyrhizobium diazoefficiens Bacteroids Reveals a Post-Symbiotic, Hemibiotrophic-Like Lifestyle of the Bacteria within Senescing Soybean Nodules (International Journal of Molecular Sciences)

 
 

8 december 2018 18:00:15

 
IJMS, Vol. 19, Pages 3918: Transcriptomic Characterization of Bradyrhizobium diazoefficiens Bacteroids Reveals a Post-Symbiotic, Hemibiotrophic-Like Lifestyle of the Bacteria within Senescing Soybean Nodules (International Journal of Molecular Sciences)
 




The transcriptional activity of Bradyrhizobium diazoefficens isolated from soybean nodules was monitored over the period from symbiosis to late plant nodule senescence. The bacteria retained a near constant level of RNA throughout this period, and the variation in genes demonstrating increased, decreased, and/or patterned transcriptional activity indicates that the bacteria are responding to the changing environment within the nodule as the plant cells progress from an organized cellular structure to an unorganized state of internal decay. The transcriptional variation and persistence of the bacteria suggest that the bacteria are adapting to their environment and acting similar to hemibiotrophs, which survive both as saprophytes on live plant tissues and then as necrophytes on decaying plant tissues. The host plant restrictions of symbiosis make B. diazoefficiens a highly specialized, restricted hemibiotroph.


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12 viewsCategory: Biochemistry, Biophysics, Molecular Biology
 
IJMS, Vol. 19, Pages 3919: Linking Endoplasmic Reticular Stress and Alternative Splicing (International Journal of Molecular Sciences)
IJMS, Vol. 19, Pages 3917: Antioxidant Properties and the Formation of Iron Coordination Complexes of 8-Hydroxyquinoline (International Journal of Molecular Sciences)
 
 
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