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首页> 美国卫生研究院文献>The Scientific World Journal >The Low Temperature Induced Physiological Responses of Avena nuda L. a Cold-Tolerant Plant Species
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The Low Temperature Induced Physiological Responses of Avena nuda L. a Cold-Tolerant Plant Species

机译：低温植物耐低温植物Avena nuda L.的低温诱导生理响应

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The paperaim of the was to study the effect of low temperature stress on Avena nuda L. seedlings. Cold stress leads to many changes of physiological indices, such as membrane permeability, free proline content, malondialdehyde (MDA) content, and chlorophyll content. Cold stress also leads to changes of some protected enzymes such as peroxidase (POD), superoxide dismutase (SOD), and catalase (CAT). We have measured and compared these indices of seedling leaves under low temperature and normal temperature. The proline and MDA contents were increased compared with control; the chlorophyll content gradually decreased with the prolongation of low temperature stress. The activities of SOD, POD, and CAT were increased under low temperature. The study was designated to explore the physiological mechanism of cold tolerance in naked oats for the first time and also provided theoretical basis for cultivation and antibiotic breeding in Avena nuda L.
机译：该论文的目的是研究低温胁迫对Avena nuda L.幼苗的影响。冷胁迫导致许多生理指标发生变化，例如膜通透性，游离脯氨酸含量，丙二醛（MDA）含量和叶绿素含量。冷胁迫还会导致某些受保护的酶发生变化，例如过氧化物酶（POD），超氧化物歧化酶（SOD）和过氧化氢酶（CAT）。我们已经测量并比较了低温和常温下幼苗叶片的这些指标。脯氨酸和丙二醛含量较对照增加。随着低温胁迫的延长，叶绿素含量逐渐降低。低温下SOD，POD和CAT的活性增加。该研究是首次探索裸燕麦耐寒性的生理机制，也为燕麦Avena nuda L的栽培和抗生素育种提供了理论依据。

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