Example sentences for: alpha-proteobacteria

How can you use “alpha-proteobacteria” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Our results show clear evidence of a trans-domain transfer of a GshA gene from alpha-proteobacteria to plants.

  • Of the 1,923 COGs (clusters of orthologous groups) [ 32, 33, 34] identified in P. aeruginosa (a gamma-proteobacterium), 80% are also found in the combined group containing Mesorhizobium loti and Caulobacter crescentus (both alpha-proteobacteria).

  • The tree topology supports the findings reported above in that the sequences cluster into three distinct groups, with the cyanobacterial sequences being most closely associated with the group 3 (plant and alpha-proteobacteria) sequences.

  • The first group consists primarily of gamma-proteobacteria, the second of non-plant eukaryotes and the third primarily of flowering plants and alpha-proteobacteria.

  • Many of the alpha-proteobacteria are either plant pathogens (for example, Agrobacterium tumefaciens ) or plant commensals (for example, Sinorhizobium meliloti and Zymomonas mobilis ). The close physical association between these bacteria and plants apparently provided an opportunity for lateral transfer of the GshA gene, perhaps more than 300 million years ago.


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