By Zhihong Xu, Jiayang Li, Yongbiao Xue, Weicai Yang
This well timed paintings is a set of papers offered on the XIth overseas congress of the foreign organization of Plant Tissue tradition & Biotechnology. It maintains the culture of the IAPTC&B in publishing the complaints of its congresses. The paintings is an up to date record at the most important advances in plant tissue tradition and biotechnology as provided by way of major foreign scientists. it is going to be an important interpreting for agricultural scientists, between others.
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Additional info for Biotechnology and Sustainable Agriculture 2006 and Beyond: Proceedings of the 11th IAPTC&B Congress, August 13-18, 2006 Beijing, China
Ding YH, Liu NY, Tang ZS, Liu J, Yang WC (2006) Arabidopsis GLUTAMINERICH PROTEIN23 is essential for early embryogenesis and encodes a novel nuclear PPR motif protein that interacts with RNA polymerase II subunit III. Plant Cell 18: 815–830. Dunwell JM (1976) A comparative study of environmental and developmental factors which influence embryo induction and growth in cultured anthers of Nicotiana tabacum. Environ Exp Bot 16: 109–118. M. Dunwell Dunwell JM (1978) Division and differentiation in cultured pollen.
This treatment induces transverse divisions in the microspore to form a filamentous structure, of which the distal tip cell gives rise to formation of the embryo proper. The early division pattern of these embryos mimics exactly that observed during zygotic embryo production, with the lower end of the filamentous structure resembling the zygotic suspensor. These findings represent a major breakthrough and will greatly facilitate the study of plant embryogenesis in an isolated system. , 2006). The regeneration frequency and percentage of green plants using this protocol are significantly higher than is found with the shed microspore culture method.
Amongst the family of genes studied in most detail in Arabidopsis is the leafy Embryogenesis In Vitro 37 cotyledon (lec) genes that encode B3 domain proteins. For example it was found that contrary to the response of wild-type cultures, which produced somatic embryos via an efficient, direct process, lec mutants were strongly impaired in their embryogenic response. , 2005). Most recently it has been shown that LEC2 directly controls a transcriptional programme involved in the maturation phase of seed development.
Biotechnology and Sustainable Agriculture 2006 and Beyond: Proceedings of the 11th IAPTC&B Congress, August 13-18, 2006 Beijing, China by Zhihong Xu, Jiayang Li, Yongbiao Xue, Weicai Yang