By Marja C.P. Timmermans (Eds.)
A subgroup of homeobox genes, which play a massive function within the developmental strategies of quite a few multicellular organisms, Hox genes were proven to play a severe function in vertebrate trend formation. Hox genes should be considered basic objective keep an eye on genes-that is, they're related in lots of organisms and direct an identical strategies in a number of organisms, from mouse, to fly, to human. * presents researchers an outline and synthesis of the newest learn findings and modern proposal within the area.* Inclusion of chapters that debate the evolutionary improvement of a large choice of organisms.* offers researchers and clinicians perception into how faulty Hox genes set off developmental abnormalities in embryos.
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2007). , 1997), suggesting that, while endosperm-derived signals may support protoderm specification or differentiation in zygotic embryos, this signaling is not required per se to form the epidermis. Mutations in the above genes, however, appear not to affect the initial establishment of the protoderm but rather to interfere with the maintenance of epidermal cell fate or with differentiation at later stages of development. Protoderm formation is therefore likely controlled by factors intrinsic to the developing embryo.
1 (Continued ) Physiological response Promotion of hypocotyl growth Cotyledon opening Light Total fluence References phyB McCormac et al. (1993) and Reed et al. (1993) Far-red phyC phyA >Low-P, >Low-C High-C High-C, High-P Green cry1 >Low-C Franklin et al. (2003b) and Monte et al. (2003) Nagatani et al. (1993), Parks and Quail (1993), Whitelam et al. (1993), and Shinomura et al. (2000)b Bouly et al. (2007) Far-red UV-A & blue phyB cry1 >Low-C >Low-C McCormac et al. (1993) and Nagatani et al. (1991) Casal and Boccalandro (1995) cry2 phyA phyB phyA, B, D, E phyD phyA cry1 Low-C High-C High-C High-C High-C High-C High-C Lin et al.
Development 118, 575–587. Bewley, J. , and Black, M. (1994). Seeds: Physiology of Development and Germination. Plenum, New York. , and Laux, T. (2008). Differential expression of WOX genes mediates apical-basal axis formation in the Arabidopsis embryo. Dev. Cell 14, 867–876. , and Pullman, G. S. (2007). The cellular and molecular biology of conifer embryogenesis. New Phytol. 176, 511–536. Chandler, J. , and Werr, W. (2007). The AP2 transcription factors DORNROSCHEN and DORNROSCHEN-LIKE redundantly control Arabidopsis embryo patterning via interaction with PHAVOLUTA.
Plant Development by Marja C.P. Timmermans (Eds.)