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在无氮或能量受限环境中生长的大豆植株的生理反应。

Physiological responses of soybean plants grown in a nitrogen-free or energy limited environment.

机构信息

Biology Department, Washington University, St. Louis, Missouri 63130.

出版信息

Plant Physiol. 1991 May;96(1):305-9. doi: 10.1104/pp.96.1.305.

DOI:10.1104/pp.96.1.305
PMID:16668170
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1080751/
Abstract

Soybean (Glycine max [L.] Merr.) seedlings grown in the absence of combined N and in an Ar:O(2) (79:21, volume/volume) atmosphere had greater seedling and nodule mass, threefold higher acetylene reducing activity per gram fresh weight nodules, no observable increase in nitrogenase Fe-protein, and a higher energy charge than did control plants. A sharp fall in acetylene reducing activity and energy charge accompanying stem-girdling was prevented by exogenous succinate, a result consistent with a path from the roots to the nodule other than via the phloem.

摘要

在缺乏氮素和在氩气

氧气（79：21，体积/体积）的大气中生长的大豆（Glycine max [L.] Merr.）幼苗具有更大的幼苗和根瘤质量，每克新鲜重根瘤的乙炔还原活性高出三倍，氮酶 Fe 蛋白没有观察到明显增加，能量电荷高于对照植物。茎环割伴随的乙炔还原活性和能量电荷的急剧下降被外源琥珀酸所阻止，这一结果与从根部到根瘤的途径不同于韧皮部的结果一致。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bb11/1080751/1c14b764b532/plntphys00691-0315-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bb11/1080751/1c14b764b532/plntphys00691-0315-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bb11/1080751/1c14b764b532/plntphys00691-0315-a.jpg

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本文引用的文献

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Plant Physiol. 1990 Apr;92(4):1101-7. doi: 10.1104/pp.92.4.1101.
2
Effect of Oxygen and Malate on NO(3) Inhibition of Nitrogenase in Soybean Nodules.氧和苹果酸对大豆根瘤中氮酶对硝酸盐抑制的影响。
Plant Physiol. 1989 May;90(1):224-9. doi: 10.1104/pp.90.1.224.
3
Increase of natural N enrichment of soybean nodules with mean nodule mass.
随着平均豆瘤质量的增加，大豆根瘤中的自然氮富集增加。
Plant Physiol. 1984 Nov;76(3):743-6. doi: 10.1104/pp.76.3.743.
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Effects of short-term n(2) deficiency on N metabolism in legume nodules.短期氮素缺乏对豆科植物根瘤氮代谢的影响。
Plant Physiol. 1984 Nov;76(3):705-10. doi: 10.1104/pp.76.3.705.
5
Effects of n(2) deficiency on transport and partitioning of C and N in a nodulated legume.缺氮对豆科植物结瘤固氮过程中碳氮运转与分配的影响
Plant Physiol. 1984 Sep;76(1):59-64. doi: 10.1104/pp.76.1.59.
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The acetylene-ethylene assay for n(2) fixation: laboratory and field evaluation.乙炔-乙烯法测定固氮作用中的 N2 固定：实验室和现场评价。
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