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Ve pole take significant time to form one, and cell division depends on time rather than cell dimensions. As a result, the population of progeny cells in a very young microcolony is physiologically heterogeneous, different cell types even differing in their patterns of sensitivity to antibiotics (Aldridge et al., 2012). Comparative genomic analysis suggests that DivIVAmediated apical growth is typ
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Mycobacteria, branch emergence is not usually immediate, perhaps because the incipient polarisome has to be built up to some critical mass and/or organisation. However, new mycobacterial poles must be nucleated with DivIVA de novo, whereas mycelial branches are nucleated by the residue of a split polarisome, which may be a more avid target for DivIVA than septa. Streptomyces polarisome splitting r
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Mycobacteria, branch emergence is not usually immediate, perhaps because the incipient polarisome has to be built up to some critical mass and/or organisation. However, new mycobacterial poles must be nucleated with DivIVA de novo, whereas mycelial branches are nucleated by the residue of a split polarisome, which may be a more avid target for DivIVA than septa. Streptomyces polarisome splitting r
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Tively long-established clusters. Twelve other S. coelicolor whiJ-like genes were represented in around half of streptomycetes (SCO2381*, 2865, 2869*, 3365*, 4176, 4301, 4678, 4998, 6129, 6537, 6629*, 7579) [asterisks indicate occurrence also in some other complex actinomycete(s)]; while seven others were found in four or fewer streptomycetes (SCO0704, 2246, 2253, 4543, 5125,Fig. 7. Phylogenetic a
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Rial rod-shaped bacteria including E. coli and B. subtilis) is absent from nearly all rod-shaped or coccal actinobacterial genera originating from nodes 3 and 4 of Fig. 2 (Fig. 8). Actinobacteria on the deepest branches (nodes 1 and 2) do have the mre cluster, so it is not possible to infer which growth mode they might use. Although coccal actinobacteria also possess DivIVA, they may possibly grow
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Oportion to the number of genome copies in the tip compartment) and eventually splits, part remaining at the tip and part adhering to the lateral wall,Fig. 8. The mre gene cluster is absent from most simple actinobacteria. The reciprocal BLASTP best-hit tabulation includes the region from SCO2605 to SCO2615. The numbered nodes refer to Fig. 2. See Fig. 3 legend and text for further details. The mr
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Licolor is the whiJ gene (SCO4543) for a deduced DNA-binding protein (Gehring et al., 2000; Ainsa et al., 2010). Most of the 24 paralogues of whiJ in the S. coelicolor chromosome are associated with one or both of two kinds of immediately neighbouring genes, one kind encoding very small DNA-binding proteins (i.e. like SCO4542) and the other encoding proteins with features like antisigma factors (e
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Licolor is the whiJ gene (SCO4543) for a deduced DNA-binding protein (Gehring et al., 2000; Ainsa et al., 2010). Most of the 24 paralogues of whiJ in the S. coelicolor chromosome are associated with one or both of two kinds of immediately neighbouring genes, one kind encoding very small DNA-binding proteins (i.e. like SCO4542) and the other encoding proteins with features like antisigma factors (e