期刊论文

Phylogenetic Diversity of Bacteria from Substrate of Cultivation on Pleurotus eryngii

中文

西南农业学报

Southwest China Journal of Agricultural Sciences

1001-4829

2013

26

4

1589-1592

10.3969/j.issn.1001-4829.2013.04.059

国家自然科学基金;西华大学重点项目

本校为其他机构

为了探讨纳米硫硒化镉(CdSeS)对小鼠肾脏和脑组织的急性氧化损伤作用,将20只雄性昆明小鼠随机分成4组,采用尾部静脉注射进行一次性染毒,3个染毒组分别注人0.1、0.2、0.4mg·mL~(-1)的纳米CdSeS粉末(20～30nm)悬液1mL,对照组注入等体积生理盐水.染毒3d后对肾脏和脑组织匀浆中超氧化物歧化酶(SOD)活力和丙二醛(MDA)含量分别进行测定,从而检测纳米CdSeS对肾脏和脑组织的急性氧化损伤作用.结果显示,随着纳米CdSeS染毒浓度的升高,小鼠肾脏和脑组织中SOD活力呈逐渐降低趋势,而MDA含量呈逐渐升高趋势,均显示出一定的剂量-效应关系;较高浓度组(肾:ρ_(CdSeS)≥0.2mg·mL~(-1);脑:ρ_(CdSeS)≥0.4mg·mL-...

Phylogenetic diversity of bacteria from substrate of cultivation on Pleurems eryngllwas investigated by using culture-dependent method and phylogenetic analysis based on 16S rRNA gene sequences. The results showed that the seven isolates, which were isolated from the sample of substrate of cultivation, belonging to five different families （ Thermaceae, Pseudonocardlneae, E, Paenlbacll- laceae and Baclllaceae） of the domain bacteria and 7 different genera, namely Geobaclll, Baclllus, Brst~lIlus, Enterobac, Serratla, Thermus and Pseudomonas. Th...