Handbook of Plant and Crop Physiology

Plant Cylins The first cyclins identified in plants were from carrot and soybean [146]. One partial length carrot clone and tw ...

CELL CYCLE REGULATION IN PLANTS 239 TABLE 5 Continued Dest motifb Plant Gene name Aaa RXXLX2–4N/PEST Reference Soybean Glyma;Cyc ...

pressed from late S to G 2 phase, suggesting a B- and A-type function for these cyclins, respectively [167]. A third soybean cyc ...

Functional studies have been done on a few of the cloned cyclins. The established functional test for cyclins is injection of mR ...

negatively regulating their activities. Phosphorylation of pRb by D cyclins reverses the growth-suppres- sive effect of pRb by r ...

The way components of SPF are regulated is being elucidated. An Rb-like protein has been tied to control of cyclin A expression ...

in maize endosperm gives evidence that two types of Cdks are involved in cell cycle regulation [220]. H1K activity was associate ...

C. Endoreduplication Cycle The endoreduplication cycle, during which consecutive doublings of the genomic DNA occur in the ab- s ...

mussen and Means [272,273] manipulated the levels of calmodulin by stably transforming mouse cell lines with vectors that consti ...

have been identified in animal systems [277–279]. Some preliminary results suggest that a calmodulin- dependent protein kinase, ...

starvation was reversed by inhibitors of the calcium-dependent protease calpain [298]. Conflicting data from another study indic ...

[155]. The levels of Arath;CycD3;1 did not change with withdrawal or readdition of all three substrates. However, when cytokinin ...

tive in inducing synchronization in plant cells; either the majority of the methods were found to be only partially effective or ...

the presence of hormones, they can undergo cell division and regenerate into whole plants. Pericycle cells retain the ability to ...

[337]. In the Arabidopsisroot epidermis, hairless cells are longer than hair cells at maturity. The cell di- vision rate in the ...

IX. CONCLUSIONS Several major themes are emerging from the investigations of cell cycle regulatory mechanisms using dif- ferent ...

NR Morris. Lower eukaryotic cell cycle: perspective on mitosis from the fungi. Curr Opin Cell Biol 2:252–257, 1990. G Draetta. ...

Y Xiong, T Connolly, B Futcher, D Beach. Human D-type cyclin. Cell 65:691–699, 1991. A Koff, F Cross, A Fisher, J Schumacher, K ...

J Yang, S Kornbluth. All aboard the cyclin train: subcellular trafficking of cyclins and their partners. Trends Cell Biol 4:207 ...

J Pines. Cyclins and cylin-dependent kinases: take your partners. Trends Biochem Sci 18:195–197, 1993. N Glab, B Labidi, L Qin, ...