Growth polarity and cell division in Streptomyces

被引：110
作者：
Flärdh, K [1 ]
机构：
[1] Uppsala Univ, Biomed Ctr, Dept Cell & Mol Biol, SE-75124 Uppsala, Sweden
来源：
CURRENT OPINION IN MICROBIOLOGY | 2003年 / 6卷 / 06期
关键词：
D O I：
10.1016/j.mib.2003.10.011
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Streptomycetes are mycelial bacteria that resemble filamentous fungi in their apical growth, branching, and morphogenetic development. One inroad into the largely unknown mechanisms underlying this prokaryotic growth polarity is provided by Streptomyces DivIVA, a protein localized at hyphal tips and involved in tip extension. Another aspect is a proposed migration of nucleoids. During sporulation, the modes of growth and cell division are reorganised. This involves dynamic assembly of FtsZ into a multitude of cytokinetic rings. Controlled by developmental regulators and intriguingly coordinated with chromosome segregation, this leads to spores with a single chromosome each. Genome sequences have shed new light on these aspects and reinforced the role of Streptomyces in bacterial cell biology.
引用
收藏
页码：564 / 571
页数：8
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