Words similar to synechococcus
Example sentences for: synechococcus
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Since the basic single-copy repertoire of dispersed aromatic-pathway genes shown in Figure 2for Synechocystis (Ssp) is representative of other cyanobacteria such as Synechococcus (Syn) and Prochlorococcus (Pmu) and is also present at dispersed extra-operonic loci of Anabaena and Nostoc , an obvious possibility would seem to be that the genes of the supraoperon originated by LGT in a common ancestor of Anabaena and Nostoc . If so, speciation was followed by different species-specific gene-insertion events.
Unicellular cyanobacteria such as Synechocystis, Synechococcus and Prochlorococcus have far smaller genomes and lack the ability to fix nitrogen (heterocyst formation).
Synechocystis/Synechococcus/Prochlorococcus
As BLAST hits must be considered imperfect indicators of nearest-neighbor homologs [ 38], the conclusion that the operonic trp -pathway genes are of cyanobacterial lineage origin was confirmed more rigorously by examination of extensive trees (available upon request) constructed for each trp protein of Anabaena and Nostoc . For the Trp-pathway proteins, all the cyanobacterial proteins clustered together, regardless of whether they were Anabaena or Nostoc paralogs or whether they were the singly represented proteins of Synechocystis, Synechococcus , or Prochlorococcus . The same result was obtained for AroA Iβ protein trees.
The tree of SSU sequences shows the two proteobacteria ( P. stutzeri and M. loti ) at one end of the tree with cyanobacteria ( Synechococcus sp. and Synechocystis sp.) and mycobacteria ( M. leprae and M. tuberculosis ) clades branching off from a common node (Figure 4).
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