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 ...
Figure(Up). Cartoon representation of the carboxysome, indicating some of the protein components involved, and showing the recently determined structures of the major shell proteins The CcmK/Csos1 proteins (lower right) form hexamers that pack into a two-dimensional molecula ...