Charting new pathways to Cb4s rice by John E. Sheehy

By John E. Sheehy

Feeding Asia within the twenty first century would require a moment eco-friendly Revolution. although, not like within the first iteration, destiny yield raises must be grown utilizing much less water and nitrogen in a global of negative weather swap -- this may purely be performed by means of expanding the potency of the photosynthetic method, i.e. constructing a C4 rice plant. If and whilst accomplished, it might be the 1st nonevolutionary instance of reconstructing the first metabolism of a plant. The influence of one of these medical success will be indisputable, however it calls for both a very good feat of genetic engineering or compelled evolution.

This booklet describes the choice methods of attaining C4 photosynthesis in rice. that includes contributions from prime specialists, case reviews are used to provide perspectives on how C4 rice can be developed and utilized, besides the socioeconomic implications that it includes. eventually, readers might be higher educated approximately this hugely proper and well timed subject of bettering rice yield in a world atmosphere grappling with unpredictable weather swap.

Contents: surroundings the Scene; C4 Rice from idea to perform; Single-Cell C4 structures; The history and the way C4 Rice may be introduced; establishing the Consortium.

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The photosynthesis of ryegrass leaves grown in a simulated sward. Ann. Appl. Biol. 73:229-237. Woodward FI, Sheehy JE. 1983. Principles and measurements in environmental biology. London (UK): Butterworth & Co. Ltd. 263 p. Yeo ME, Yeo AR, Flowers TJ. 1994. Photosynthesis and photorespiration in the genus Oryza. J. Exp. Bot. 45:553-560. Yoshida S. 1973. ). Soil Sci. Plant Nutr. 19:311-316. Yoshida S. 1981. Fundamentals of rice crop science. Manila (Philippines): International Rice Research Institute.

2006. Plastid transformation in the monocotyledonous cereal crop, rice (Oryza sativa) and transmission of transgenes to their progeny. Mol. Cells 21:401-410. Liang D, Wu C, Li C, Xu C, Zhang J, Kilian A, Li X, Zhang Q, Xiong L. 2006. Establishment of a patterned GAL4-VP16 transactivation system for discovering gene function in rice. Plant J. 46:1059-1072. Long SP, Zhu X-G, Naidu SL, Ort DR. 2006. Can improvement in photosynthesis increase crop yields? Plant Cell Environ. 29:315-330. Maliga P. 2002.

Indd 33 1/17/2008 9:59:26 AM in grain yield. The impetus for this kind of research generally comes from a newly developed technique in genetic engineering, so from the bottom, with the hope that the improvement will be worthwhile when scaled up. In contrast, to construct C4 rice will require a top-down approach, specifying the ultimate objective and then the steps required to achieve it, as in Table 1. The pathway to C4 rice may not be short and direct: there are likely to be some surprises along the way, and additional refinements found to be necessary once the C4 mechanism is introduced into rice.

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