期刊
JOURNAL OF INTEGRATIVE PLANT BIOLOGY
卷 63, 期 7, 页码 1211-1226出版社
WILEY
DOI: 10.1111/jipb.13076
关键词
evolutionary innovation; MEP pathway; MVA pathway; retrograde signaling; stress
资金
- National Natural Science Foundation of China [31971410]
- Postdoctoral Fund of Yunnan Province [Y835981261, Y732681261]
- Postdoctoral Science Foundation of China [2018M633434]
Isoprenoids are a diverse class of organic compounds involved in photosynthesis, respiration, growth, development, and stress responses in plants. The mevalonate (MVA) and methylerythritol phosphate (MEP) pathways play key roles in isoprenoid synthesis and plant growth, development, and stress responses. The emergence of the MVA pathway is a crucial evolutionary event in plants, facilitating land colonization, embryo development, and adaptation to new environments.
Isoprenoids are among the largest and most chemically diverse classes of organic compounds in nature and are involved in the processes of photosynthesis, respiration, growth, development, and plant responses to stress. The basic building block units for isoprenoid synthesis-isopentenyl diphosphate and its isomer dimethylallyl diphosphate-are generated by the mevalonate (MVA) and methylerythritol phosphate (MEP) pathways. Here, we summarize recent advances on the roles of the MEP and MVA pathways in plant growth, development and stress responses, and attempt to define the underlying gene networks that orchestrate the MEP and MVA pathways in response to developmental or environmental cues. Through phylogenomic analysis, we also provide a new perspective on the evolution of the plant isoprenoid pathway. We conclude that the presence of the MVA pathway in plants may be associated with the transition from aquatic to subaerial and terrestrial environments, as lineages for its core components are absent in green algae. The emergence of the MVA pathway has acted as a key evolutionary event in plants that facilitated land colonization and subsequent embryo development, as well as adaptation to new and varied environments.
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