淡紫拟青霉(Paecilomyces lilacinus PL-HN-16)培养液不同浓度处理水稻,水稻根系和株高表现出不同生长影响.其中稀释64倍时对水稻根生长有明显促进作用,促进率为23.2％;稀释8倍时有明显的抑制作用,抑制率为-70.5％;稀释8倍和16倍时水稻株高有一定促进作用,0.05水平上差异不显著;稀释2倍时生长抑制,0.05水平上差异显著;淡紫拟青霉培养液对水稻生长有一定的调节作
从"硒都"湖北省恩施州鱼塘坝硒矿附近采集的超高硒含量土壤样品中分离到1株同时具备高耐硒和强亚硒酸盐还原能力的细菌.该细菌在固体和液体培养基中分别能够耐受100 mM和83 mM的NaSeO3;在含2mMNaSeO3的LB培养液中,87 h内的还原率可达97.31％.经16S rRNA基因序列比对和生理生化分析,将该菌鉴定为寡养单胞菌属,命名为Stenotrophomonas sp.EGS12.透射
聚羟基脂肪酸酯(polyhydroxyalkanoates,PHA)是微生物在碳源充足、氮源或者磷缺乏的条件下形成的细胞内聚酯.根据PHA单体碳原子数的不同,其可被划分为三大类:短链PHA (PHASCL)、中长链PHA (PHAMCL)以及长链PHA (PHALOL).门多萨假单胞菌(Pseudomonas mendocina) NK-01是本实验室分离,天然的产PHAMCL的菌株,能利用葡萄糖
The use of medicinal plant cells has broad application prospects on production of secondary metabolites through the means of suspension culture as microorganism fermentation.However,compared with many
本研究依托黑龙江省农科院34年长期定位试验,选取三组不同施氮量处理:无氮肥组(CK和PK)、施一倍氮肥组(N1,NP,NPK和NK)和施二倍氮肥组(N2)耕层土壤为研究对象,借助454平台进行高通量测序和Real-time PCR技术,以氨氧化古菌amoA基因为分子标靶,解析不同施氮量对黑土中氨氧化古菌的影响.结果表明,随着氮肥施用量的增加,黑土中AOA amoA拷贝数由2.61×107/g土壤显
Oxidative stress is actively involved in dopaminergic neuronal degeneration in Parkinsons disease (PD).Our previous studies have identified that 100 Hz electro-acupuncture (EA) stimulation at ZUSANLI
Extensive research has shown that the aggregation and toxicity of amyloid -beta protein (A β) are closely related to the cognitive deficits in Alzheimers disease (AD).Inhibition of mammalian target of
Neuropeptide W (NPW) is a recently identified neuropeptide that binds to G-protein-coupled receptors GPR7 and GPR8,which are highly expressed in several discrete regions of the rodent brain including
The orexin,a neuropeptide also called hypocretin,is produced exclusively by a specific group of neurons whose cell bodies are located in the lateral hypothalamic/perifornical area.Consistent with the
Background:Microglial activation contributes to neuroinflammation and neuronal damages in neurodegenerative disorders including Alzheimers and Parkinsons diseases.It has been suggested that neurodegen