2020
DOI: 10.1128/msphere.00188-20
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Interactions of PatA with the Divisome during Heterocyst Differentiation in Anabaena

Abstract: The Anabaena organismic unit is a filament of communicating cells. Under conditions of nitrogen scarcity, some cells along the filament differentiate into heterocysts, which are specialized in the fixation of atmospheric N2 and provide the vegetative cells with N2 fixation products. At a certain stage, the differentiation process becomes irreversible, so that even when nitrogen is replenished, no return to the vegetative cell state takes place, possibly as a consequence of loss of cell division capacity. Upon … Show more

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Cited by 16 publications
(26 citation statements)
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“…Similarly, a FtsX and FtsK homolog was so far only identified in Anabaena [ 86 , 132 ]. In agreement with their enormous morphological diversity, several morphological determinants specific to the Cyanobacteria phylum were also described, among those Ftn2 (ZipN) and Ftn6 (ZipS) [ 88 , 89 , 90 , 92 , 132 , 133 , 134 ]. Given the nonuniform nomenclature of cyanobacterial protein identifiers and to ease future research on cyanobacterial morphologies, we have collected a comprehensive list of important cyanobacterial structural determinants from the three widely used cyanobacteria Anabaena , Synechocystis and Synechococcus ( Table 1 ).…”
Section: The Cyanobacterial Cell Division Complex—function and Regmentioning
confidence: 74%
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“…Similarly, a FtsX and FtsK homolog was so far only identified in Anabaena [ 86 , 132 ]. In agreement with their enormous morphological diversity, several morphological determinants specific to the Cyanobacteria phylum were also described, among those Ftn2 (ZipN) and Ftn6 (ZipS) [ 88 , 89 , 90 , 92 , 132 , 133 , 134 ]. Given the nonuniform nomenclature of cyanobacterial protein identifiers and to ease future research on cyanobacterial morphologies, we have collected a comprehensive list of important cyanobacterial structural determinants from the three widely used cyanobacteria Anabaena , Synechocystis and Synechococcus ( Table 1 ).…”
Section: The Cyanobacterial Cell Division Complex—function and Regmentioning
confidence: 74%
“…Consequently, cell differentiation in cyanobacteria appears to be strongly connected to cell division and is halted in differentiated cells through a downregulation of ftsZ transcription and/or a decrease in FtsZ protein levels [ 116 , 153 , 154 , 155 ]. This notion is supported by the absence of Z-rings in terminally differentiated mature heterocysts in Anabaena [ 19 , 116 , 133 ]. Notably, loss of Z-rings precedes loss of detectable ftsZ transcripts, with the former taking place in immature heterocysts and the latter in mature heterocysts [ 133 ].…”
Section: The Cyanobacterial Cell Division Complex—function and Regmentioning
confidence: 98%
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