By Iris Meier (auth.), Iris Meier (eds.)
While the cellphone nucleus used to be first pointed out in a plant, we all know now a ways much less concerning the plant nucleus than we all know approximately its an identical in animals or in fungi, as the box of nuclear biology has been predominantly pushed via the non-plant version structures. extra lately, despite the fact that, plant biology has all started to capture up as learn teams around the world actively deal with the techniques that outline the plant nucleus. This quantity is an up to date compilation of the a number of features of this rising self-discipline and offers the well timed subject of practical association of the telephone nucleus totally from the plant biologist’s viewpoint. In a time of hovering nutrients, fibre and effort wishes, the knowledge of the molecular mechanisms of plant genetic association – and its impact on plant development and improvement - is essential.
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Extra resources for Functional Organization of the Plant Nucleus
Example text
Eur J Cell Biol 96:11–23 Tomita K, Cooper JP (2006) The meiotic chromosomal bouquet: SUN collects flowers. Cell 125:19–21 Tzur YB, Margalit A, Melamed-Book N, Gruenbaum Y (2006a) Matefin/SUN-1 is a nuclear envelope receptor for CED-4 during Caenorhabditis elegans apoptosis. Proc Natl Acad Sci USA 103:13397–13402 Tzur YB, Wilson KL, Gruenbaum Y (2006b) SUN-domain proteins: ‘Velcro’ that links the nucleoskeleton to the cytoskeleton. Nat Rev Mol Cell Biol 7:782–788 Van Damme D, Bouget FY, Van Poucke K, Inze D, Geelen D (2004) Molecular dissection of plant cytokinesis and phragmoplast structure: a survey of GFP-tagged proteins.
In the metazoan NPC, this complex, also referred to as the Nup107-160 complex, is considered to form a central scaffold of the pore required for nuclear pore assembly (Harel et al. 2003b; Walther et al. 2003a). Interestingly, while depletions of nucleoporins in this complex severely reduce the number of pores per nucleus in animal cells and mutations are often lethal, several viable Arabidopsis and lotus mutants have recently been isolated that involve plant nucleoporins putatively located within these symmetrical ring complexes (Dong et al.
2002). Initial tearing of the NE occurs on the opposite side of the nucleus where the tensile forces are at their greatest; the tearing is possibly linked to the localised disassembly of nuclear pores creating a focal point for the membrane perforation. After the initial tearing of the nuclear membrane, structure of the NE is lost rapidly. In tobacco BY-2 cells co-expressing a microtubule marker (GFP-MBD) The Plant Nuclear Envelope 21 Fig. 2 Cell cycle in BY-2 cells expressing LBR-GFP as a nuclear envelope marker.