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Agrobacterium Tumefaciens Nitrogen Fixation System Expresses in Sinorhizobium meliloti (=Rhizobium meliloti)
Acetylene reduction dry weight root nodules Alfalfa Sinorhizobium meliloti Rhizobium meliloti Agrobacterium tumefaciens
2010/11/16
Kanvinde and Sastry (Appl. and Environ. Microbiol. 56:2087-2092, 1990) had previously
demonstrated that A. tumefaciens has all the physiological characters of a diazotroph. Genetic evidence indicates...
EFFECT OF THE CULTURING DENSITY OF THE Sinorhizobium meliloti BP ON THE DEVELOPMENT OF LUCERNE（Medicago sativa L）AND NITROGENASE ACTIVITY
inoculum density lucerne Medicago sativa L nitrogenase activity Sinorhizobium meliloti
2009/3/31
The authors investigated the impact of the Sinorhizobium inoculum density on the plant development of alfalfa, nodulation and nitrogenase activity. It was found that plants inoculated with a 10% inoc...
EFFECT OF THE CULTURING DENSITY OF THE Sinorhizobium meliloti BP ON THE DEVELOPMENT OF LUCERNE（Medicago sativa L）AND NITROGENASE ACTIVITY
inoculum density lucerne Medicago sativa L nitrogenase activity Sinorhizobium meliloti
2009/3/31
The authors investigated the impact of the Sinorhizobium inoculum density on the plant development of alfalfa, nodulation and nitrogenase activity. It was found that plants inoculated with a 10% inocu...
Genetic Identification and Symbiotic Efficiency of an Indigenous Sinorhizobium meliloti Field Population
nitrogen fixation alfalfa Sinorhizobium meliloti
2009/3/19
Soil bacteria Sinorhizobium meliloti are of enormous agricultural value, because of their ability to fix atmospheric nitrogen in symbiosis with an important forage crop legume - alfalfa. The main aim ...
苜蓿中华根瘤菌nifA基因是固氮基因的正调节因子, 本文研究了nifA基因对根瘤形成的调节作用. 在分裂根实验中, nifA突变株对另一侧根的结瘤抑制率比野生型菌下降43.7%, 感染突变株植物合成的植保素和形成的坏死细胞的数量也相应减少, 与植物防卫反应相关的苯丙氨酸解氨酶基因、查儿酮合成酶基因和几丁质酶基因不能表达. 这些结果说明, 苜蓿中华根瘤菌nifA基因通过诱导宿主植物的防卫反应对根瘤的...
苜蓿中华根瘤菌nifA基因是固氮基因的正调节因子, 本文研究了nifA基因对根瘤形成的调节作用. 在分裂根实验中, nifA突变株对另一侧根的结瘤抑制率比野生型菌下降43.7%, 感染突变株植物合成的植保素和形成的坏死细胞的数量也相应减少, 与植物防卫反应相关的苯丙氨酸解氨酶基因、查儿酮合成酶基因和几丁质酶基因不能表达. 这些结果说明, 苜蓿中华根瘤菌nifA基因通过诱导宿主植物的防卫反应对根瘤的...