منابع مشابه
Plastid division
BACKGROUND AND AIMS Plastids undergo a process of binary fission in order to replicate. Plastid replication is required at two distinct stages of plant growth: during cell division to ensure correct plastid segregation, and during cell expansion and development to generate large populations of functional plastids, as in leaf mesophyll cells. This review considers some of the recent advances in ...
متن کاملUpdate on Plastid Division Mechanism of Plastid Division: From a Bacterium to an Organelle
Chloroplasts arose more than 1 billion years ago, when a free-living cyanobacterium became an endosymbiont in a eukaryotic host cell. Several lines of evidence indicate that all chloroplasts and their nonphotosynthetic relatives (plastids) are directly or indirectly derived from a single endosymbiotic event (Reyes-Prieto et al., 2007; Gould et al., 2008; Archibald, 2009; Fig. 1). The original e...
متن کاملPlastid division. The origin of replication
The fact that chlorophyll-containing chloroplasts are remarkably abundant organelles in plants is obvious to anyone contemplating the verdant green expanses of most global ecosystems. For those who have viewed leaf mesophyll cells by peering down a microscope, it is also apparent that these specialized cells can contain large numbers of chloroplasts—up to 200 in some cells—and that chloroplasts...
متن کاملPlastid Division: The Squeezing Gets Tense
the details of their internal structure. Further experiments would be necessary to explore this question. Lehrer and Campan [1] would have almost certainly pursued this fascinating line of investigation further, and obtained more compelling evidence in support of their hypothesis, were it not for Miriam’s untimely death on August 26, 2005. Miriam’s work over the past thirty years has led to sev...
متن کاملThe molecular biology of plastid division in higher plants.
Plastids are essential plant organelles vital for life on earth, responsible not only for photosynthesis but for many fundamental intermediary metabolic reactions. Plastids are not formed de novo but arise by binary fission from pre-existing plastids, and plastid division therefore represents an important process for the maintenance of appropriate plastid populations in plant cells. Plastid div...
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ژورنال
عنوان ژورنال: AoB PLANTS
سال: 2010
ISSN: 2041-2851
DOI: 10.1093/aobpla/plq016