Combining genetic and evolutionary engineering to establish C4 metabolism in C3 plants.
Combining genetic and evolutionary engineering to establish C4 metabolism in C3 plants.
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结合遗传和进化工程在C3植物中建立C4代谢
DOI:
10.1093/jxb/erw333
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发表时间:
2016
影响因子:
6.9
通讯作者:
Maurino VG
中科院分区:
文献类型:
--
作者:
Heckmann D;Lercher MJ;Maurino VG
To feed a world population projected to reach 9 billion people by 2050, the productivity of major crops must be increased by at least 50%. One potential route to boost the productivity of cereals is to equip them genetically with the ‘supercharged’ C4type of photosynthesis; however, the necessary genetic modifications are not sufficiently understood for the corresponding genetic engineering programme. In this opinion paper, we discuss a strategy to solve this problem by developing a new paradigm for plant breeding. We propose combining the bioengineering of well-understood traits with subsequent evolutionary engineering, i.e. mutagenesis and artificial selection. An existing mathematical model of C3–C4evolution is used to choose the most promising path towards this goal. Based on biomathematical simulations, we engineerArabidopsis thalianaplants that express the central carbon-fixing enzyme Rubisco only in bundle sheath cells (Ru-BSC plants), the localization characteristic for C4plants. This modification will initially be deleterious, forcing the Ru-BSC plants into a fitness valley from where previously inaccessible adaptive steps towards C4photosynthesis become accessible through fitness-enhancing mutations. Mutagenized Ru-BSC plants are then screened for improved photosynthesis, and are expected to respond to imposed artificial selection pressures by evolving towards C4anatomy and biochemistry.
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影响因子:
5.3
作者:
Bowman SM;Patel M;Yerramsetty P;Mure CM;Zielinski AM;Bruenn JA;Berry JO
通讯作者:
Berry JO
DOI:
10.1002/9781118514948.ch19
发表时间:
2013-03
期刊:
--
影响因子:
--
作者:
G. Box
通讯作者:
G. Box
影响因子:
64.5
作者:
Heckmann, David;Schulze, Stefanie;Lercher, Martin J.
通讯作者:
Lercher, Martin J.
DOI:
10.1199/tab.0182
发表时间:
2015-01-01
期刊:
The arabidopsis book
影响因子:
--
作者:
Maurino, Veronica G;Engqvist, Martin K M
通讯作者:
Engqvist, Martin K M
影响因子:
6.9
作者:
Alonso-Cantabrana H;von Caemmerer S
通讯作者:
von Caemmerer S