Characteristics of thermostable endoxylanase and β-xylosidase of the extremely thermophilic bacterium Geobacillus thermodenitrificans TSAA1 and its applicability in generating xylooligosaccharides and xylose from agro-residues [0.03%]
解偶联热稳定内切型木聚糖酶和β-木糖苷酶的特性及其在农林废弃物中生产低聚木糖和木糖中的应用能力
Ashima Anand,Vikash Kumar,T Satyanarayana
Ashima Anand
An extremely thermophilic bacterial isolate that produces a high titer of thermostable endoxylanase and β-xylosidase extracellularly in an inducible manner was identified as Geobacillus thermodenitrificans TSAA1. The distinctive features o...
Glycine betaine is the main organic osmotic solute in a stratified microbial community in a hypersaline evaporitic gypsum crust [0.03%]
甘氨酸betaine是超盐渍硫酸钙结壳分层微生物群落中的主要有机渗透溶质
Aharon Oren,Rahel Elevi Bardavid,Nesya Kandel et al.
Aharon Oren et al.
We have examined the organic osmotic solutes content within the stratified microbial communities in an evaporitic gypsum crust found in an evaporation pond (~194 g/l total dissolved salts) of the salterns of the Israel Salt Company, Eilat. ...
Analysis of ΔpH and the xanthophyll cycle in NPQ of the Antarctic sea ice alga Chlamydomonas sp. ICE-L [0.03%]
南极海冰藻胆绿酚SP.ICE-L中NPQ的ΔpH和叶黄素循环分析
Shanli Mou,Xiaowen Zhang,Naihao Ye et al.
Shanli Mou et al.
Non-photochemical fluorescence quenching (NPQ) is mainly associated with the transthylakoid proton gradient (ΔpH) and xanthophyll cycle. However, the exact mechanism of NPQ is different in different oxygenic photosynthetic organisms. In th...
Lukasz Dziewit,Adrian Cegielski,Krzysztof Romaniuk et al.
Lukasz Dziewit et al.
Six strains of Psychrobacter spp. isolated from guano of little auks collected on Spitsbergen island (Arctic) carried nine plasmids that were fully sequenced. These replicons (ranging in size from 2917 to 14924 bp) contained either repA (Co...
Purification and biochemical characterization of an acidophilic amylase from a newly isolated Bacillus sp. DR90 [0.03%]
一株新分离BacillusDR90酸性淀粉酶的纯化及生化学性质表征
Ahmad Asoodeh,Ashraf Alemi,Akbar Heydari et al.
Ahmad Asoodeh et al.
An acidophilic and Ca(2+)-independent amylase was purified from a newly isolated Bacillus sp. DR90 by ion-exchange chromatography, and exhibited a molecular weight of 68.9 kDa by SDS-PAGE. The optimum pH and temperature of the enzyme were f...
Hypolithic and soil microbial community assembly along an aridity gradient in the Namib Desert [0.03%]
纳米布沙漠干旱梯度上的避阴处和土壤微生物群落组装
Francesca Stomeo,Angel Valverde,Stephen B Pointing et al.
Francesca Stomeo et al.
The Namib Desert is considered the oldest desert in the world and hyperarid for the last 5 million years. However, the environmental buffering provided by quartz and other translucent rocks supports extensive hypolithic microbial communitie...
The prokaryotic community of a historically mining-impacted tropical stream sediment is as diverse as that from a pristine stream sediment [0.03%]
受历史矿业影响的热带溪流沉积物中的原核生物群落与未受污染的溪流沉积物一样多样化
Mariana P Reis,Francisco A R Barbosa,Edmar Chartone-Souza et al.
Mariana P Reis et al.
Mining negatively affects the environment by producing large quantities of metallic tailings, such as those contaminated with arsenic, with harmful consequences for human and aquatic life. A culture-independent molecular analysis was perfor...
Thermal effects on microbial composition and microbiologically induced corrosion and mineral precipitation affecting operation of a geothermal plant in a deep saline aquifer [0.03%]
热影响对微生物组成及微生物诱导腐蚀和矿物沉淀的影响:深盐水含水层地热电厂运营中出现的问题
Stephanie Lerm,Anke Westphal,Rona Miethling-Graff et al.
Stephanie Lerm et al.
The microbial diversity of a deep saline aquifer used for geothermal heat storage in the North German Basin was investigated. Genetic fingerprinting analyses revealed distinct microbial communities in fluids produced from the cold and warm ...
Cell sorting analysis of geographically separated hypersaline environments [0.03%]
地理上分离的高盐环境的细胞分选分析
Olga Zhaxybayeva,Ramunas Stepanauskas,Nikhil Ram Mohan et al.
Olga Zhaxybayeva et al.
Biogeography of microbial populations remains to be poorly understood, and a novel technique of single cell sorting promises a new level of resolution for microbial diversity studies. Using single cell sorting, we compared saturated NaCl br...
Isolation of cold-active, acidic endocellulase from Ladakh soil by functional metagenomics [0.03%]
通过功能元基因组学从拉达克土壤中分离出耐冷、耐酸内切葡聚糖酶
Archana Bhat,Syed Riyaz-Ul-Hassan,Nasier Ahmad et al.
Archana Bhat et al.
Mining of soil sample from cold desert of Ladakh by functional metagenomics led to the isolation of cold-adapted endocellulase (CEL8M) that hydrolyses carboxymethyl cellulose (CMC). Mature CEL8M, a 347-residue polypeptide with a molecular m...