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 ...
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 ...
见这里: http://blog.lib.umn.edu/denis036/thisweekinevolution/ 由University of Minnesota的R. Ford Denison教授做的,题目是: This Week in Evolution Each week I discuss one of the hundreds of papers with new data on evolution, published in the past month. 他的相关资料见这下: R. For ...