氧气
呼吸速率
园艺
土壤呼吸
化学
光合作用
极限氧浓度
作者
Guillermo Toro,Manuel Pinto
出处
期刊:Chilean Journal of Agricultural Research
日期:2015-08-01
卷期号:75: 57-70
被引量:12
标识
DOI:10.4067/s0718-58392015000300007
摘要
Respiration is an oxidative process controlled by three pathways: glycolysis, the tricarboxylic acid (TCA) cycle, and oxidative phosphorylation (OXPHOS). Respiratory metabolism is ubiquitous in all organisms, but with differences among each other. For example in plants, because their high plasticity, respiration involves metabolic pathways with unique characteristics. In this way, in order to avoid states of low energy availability, plants exhibit great flexibility to bypass conventional steps of glycolysis, TCA cycle, and OXPHOS. To understand the energetic link between these alternative pathways, it is important to know the growth, maintenance, and ion uptake components of the respiration in plants. Changes in these components have been reported when plants are subjected to stress, such as oxygen deficiency. This review analyzes the current knowledge on the metabolic and functional aspects of plant respiration, its components and its response to environmental changes.
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