在网上找到一篇澳大利亚学者做的一篇博士论文,题目是:Rapid evolution of diversity in the root nodule bacteria Biserrula plecinus L.,见这里( paper ),供国内做根瘤菌研究的学者及有兴趣的人参考。此论文的作者是:Nandasena, Kemanthi Gayathri,年轻有为,有思想。现已是国际根瘤菌与土壤杆菌分类分委员会的 ...
2009年4月的IJSEM期刊上发表了Vidal等人的研究论文,报道了中慢生根瘤菌属的一个新种,即耐重金属中慢生根瘤菌( Mesorhizobium metallidurans )。该种与天山中慢生根瘤菌( Mesorhizobium tianshanense )的系统发育关系接近,见下图。该新种对重金属的抗性是:Tolerates high concentrations of heavy metals: 163 ...
美国斯坦福大学的Sharon R. Long是一名研究豆科植物紫花苜蓿与根瘤菌共生固氮的专家。她是唯一一名当选为奥巴马总统科学顾问团的女科学家。她的当选除了她自身的能力和魅力外,奥巴马总统为了美国的能源和环境而做出的长远考虑也是重要因素。因为通过大力发挥生物固氮作用,可减少化学氮肥的使用,进而减少化学 ...
Venn diagrams or set diagrams are diagrams that show all hypothetically possible logical relations between a finite collection of sets (groups of things). Venn diagrams were invented around 1880 by John Venn . They are used in many fields, including set theo ...
Vitamin B-12 is one of eight B vitamins which is important for the normal functioning of the brain and nervous system , and for the formation of blood . It is normally involved in the metabolism of every cell of the body, especially affecting DNA synthesis and regulation, but also fa ...