PubAg

Main content area

You searched for: Journal Microbiological research Remove constraint Journal: Microbiological research Publication Year 2018 Remove constraint Publication Year: 2018 Source 2018 v.214 Remove constraint Source: 2018 v.214
Start Over

Search

14  Search Results

1 - 14 of 14
Number of results to display per page

Search Results

1. A toxin-antitoxin system is essential for the stability of mosquitocidal plasmid pBsph of Lysinibacillus sphaericus

Author:
Fu, Pan; Ge, Yong; Hu, Yimin; Yuan, Zhiming; Hu, Xiaomin
Source:
Microbiological research 2018 v.214 pp. 114-122
ISSN:
0944-5013
Subject:
Escherichia coli; Lysinibacillus sphaericus; antitoxins; bioinformatics; databases; gene overexpression; neutralization; operon; plasmids; sequence homology; transactivators; transcription (genetics)
Abstract:
... Lysinibacillus sphaericus C3-41 carries a large low-copy-number plasmid pBsph, which encodes binary toxin proteins. Our previous study found that the transcriptional activator TubX plays an important role in the newly identified type Ⅲ TubRZC replication/partition system in pBsph, and that a vector consisting of tubRZC and tubX is not as stable as pBsph, indicating the presence of other maintenanc ...
DOI:
10.1016/j.micres.2018.06.013

2. Brazilian red propolis: Chemical composition and antibacterial activity determined using bioguided fractionation

Author:
Rufatto, Luciane Corbellini; Luchtenberg, Paola; Garcia, Charlene; Thomassigny, Christine; Bouttier, Sylvie; Henriques, João Antonio Pêgas; Roesch-Ely, Mariana; Dumas, Françoise; Moura, Sidnei
Source:
Microbiological research 2018 v.214 pp. 74-82
ISSN:
0944-5013
Subject:
Bacillus subtilis; Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; active ingredients; antibacterial properties; antibiotics; bioactive compounds; biochanin A; cell lines; chemical analysis; cytotoxicity; formononetin; fractionation; gas chromatography; high performance liquid chromatography; mass spectrometry; minimum inhibitory concentration; planning; propolis; therapeutics; Brazil
Abstract:
... The indiscriminate use of antibiotics is causing an increase in bacterial resistance, complicating therapeutic planning. In this context, natural products have emerged as major providers of bioactive compounds. This work performs a bioguided study of Brazilian red propolis to identify compounds with antibacterial potential and to evaluate their cytotoxicity against non-tumour cells. Using bioguide ...
DOI:
10.1016/j.micres.2018.05.003

3. Clioquinol induces G2/M cell cycle arrest through the up-regulation of TDH3 in Saccharomyces cerevisiae

Author:
Yan, Chongjia; Wang, Song; Wang, Jian; Li, Hui; Huang, Zhiwei; Sun, Jing; Peng, Min; Liu, Wenbin; Shi, Ping
Source:
Microbiological research 2018 v.214 pp. 1-7
ISSN:
0944-5013
Subject:
Candida albicans; Saccharomyces cerevisiae; amino acid metabolism; anti-infective agents; cell cycle checkpoints; databases; fermentation; gene expression regulation; gene overexpression; genes; gluconeogenesis; glycolysis; interphase; mechanism of action; messenger RNA; proteins; proteomics; reactive oxygen species; redox reactions; reverse transcriptase polymerase chain reaction; two-dimensional gel electrophoresis; yeasts
Abstract:
... Clioquinol (CQ) has been used as a classical antimicrobial agent for many years. However, its mode of action is still unclear. In our study, the growth of Candida albicans and Saccharomyces cerevisiae was inhibited by CQ. It did not kill yeast cells, but shortened G1 phase and arrested cell cycle at G2/M phase. By using two-dimensional electrophoresis based proteomic approach, six proteins were fo ...
DOI:
10.1016/j.micres.2018.05.006

4. Community structure and plant growth-promoting potential of cultivable bacteria isolated from Cameroon soil

Author:
Tchuisseu Tchakounté, Gylaine Vanissa; Berger, Beatrice; Patz, Sascha; Fankem, Henri; Ruppel, Silke
Source:
Microbiological research 2018 v.214 pp. 47-59
ISSN:
0944-5013
Subject:
plant growth-promoting rhizobacteria; ribosomal RNA; phylogeny; genes; siderophores; Arthrobacter; solubilization; functional diversity; rhizosphere; hypocotyls; phosphates; Firmicutes; agroecosystems; sequence analysis; Zea mays; germination; community structure; Proteobacteria; soil quality; corn; soil; rhizosphere bacteria; plants (botany); sodium chloride; salt tolerance; indigenous species; agricultural productivity; Cameroon
Abstract:
... Exploiting native plant growth-promoting rhizobacteria (PGPR) in Cameroonian agro-ecosystems provides a means to improve plant–microbe interactions that may enhance ecosystem sustainability and agricultural productivity in an environmentally eco-friendly way. Consequently, we aimed to investigate the community structure and functional PGPR diversity of maize grown in Cameroon. Native bacteria isol ...
DOI:
10.1016/j.micres.2018.05.008

5. Comparison of volatile compounds released by entomopathogenic fungi

Author:
Bojke, Aleksandra; Tkaczuk, Cezary; Stepnowski, Piotr; Gołębiowski, Marek
Source:
Microbiological research 2018 v.214 pp. 129-136
ISSN:
0944-5013
Subject:
Beauveria bassiana; Hirsutella; Isaria fumosorosea; Metarhizium anisopliae; Metarhizium flavoviride; acids; alcohols; aldehydes; biopesticides; death; entomopathogenic fungi; esters; insect diseases; insects; ketones; physiology; principal component analysis; quantitative analysis; secondary metabolites; terpenoids; volatile organic compounds
Abstract:
... Entomopathogenic fungi are fungal species which are used as a potential source of biopesticides. These fungi produce secondary metabolites which in insects can cause disruption in the normal functioning of their bodies, disease or even death. In order to fully characterize the physiology of entomopathogenic fungi we should identify the volatile organic compounds which are involved in this process. ...
DOI:
10.1016/j.micres.2018.06.011

6. Effectiveness of multi-trait Burkholderia contaminans KNU17BI1 in growth promotion and management of banded leaf and sheath blight in maize seedling

Author:
Tagele, Setu Bazie; Kim, Sang Woo; Lee, Hyun Gu; Kim, Hyun Seung; Lee, Youn Su
Source:
Microbiological research 2018 v.214 pp. 8-18
ISSN:
0944-5013
Subject:
1-aminocyclopropane-1-carboxylate deaminase; Alternaria alternata; Alternaria solani; Burkholderia; Colletotrichum dematium; Fusarium graminearum; Fusarium oxysporum f. sp. melonis; Fusarium verticillioides; Pythium graminicola; Stemphylium lycopersici; Thanatephorus cucumeris; Zea mays; ammonia; antifungal properties; biological control; blight; corn; enzymatic hydrolysis; enzyme activity; greenhouse production; growth promotion; hydrogen cyanide; indole acetic acid; leaves; mineral fertilizers; multilocus sequence typing; nitrogen fixation; phosphates; plant growth; plant growth-promoting rhizobacteria; ribosomal RNA; seedlings; siderophores; soil; solubilization; zinc; South Korea
Abstract:
... Plant growth promoting (PGP) bacteria enhance plant growth and are a green alternative to chemical fertilizers. In our study, an effective plant growth promoting rhizobacteria (PGPR) strain, KNU17BI1, was isolated from rhizospheric soil of maize, South Korea. The strain was tested in vitro for specific PGP and antifungal traits, such as phosphate solubilization, zinc solubilization, indole acetic ...
DOI:
10.1016/j.micres.2018.05.004

7. Growth stage and tissue specific colonization of endophytic bacteria having plant growth promoting traits in hybrid and composite maize (Zea mays L.)

Author:
Marag, Premsing Shivsing; Suman, Archna
Source:
Microbiological research 2018 v.214 pp. 101-113
ISSN:
0944-5013
Subject:
1-aminocyclopropane-1-carboxylate deaminase; Agrobacterium larrymoorei; Bacillus amyloliquefaciens; Bacillus aryabhattai; Bacillus cereus; Bacillus licheniformis; Klebsiella variicola; Lactococcus lactis; Pantoea dispersa; Staphylococcus hominis; Zea mays; bacteria; biological control; corn; endophytes; flowering; fungi; genes; grain yield; hormones; hydrogen cyanide; leaves; maturity stage; mineral fertilizers; nitrogen fixation; pathogens; phylogeny; plant growth; plant tissues; restriction fragment length polymorphism; ribosomal DNA; ribosomal RNA; root systems; roots; shoots; siderophores; solubilization; zinc
Abstract:
... Maize, a crop cultivated worldwide, was investigated for plant tissue and crop stage specific colonization of endophytic bacteria. Such bacterial interactions have high potential to enhance maize grain yield by means of biological nitrogen fixation and/or plant growth promoting activities. In this study endophytic bacteria were isolated from a hybrid PEEHM-5 and composite PC-4 maize varieties usin ...
DOI:
10.1016/j.micres.2018.05.016

8. Implication of orphan histidine kinase (OhkAsp) in biosynthesis of doxorubicin and daunorubicin in Streptomyces peucetius ATCC 27952

Author:
Pokhrel, Anaya Raj; Nguyen, Hue Thi; Dhakal, Dipesh; Chaudhary, Amit Kumar; Sohng, Jae Kyung
Source:
Microbiological research 2018 v.214 pp. 37-46
ISSN:
0944-5013
Subject:
Streptomyces avermitilis; Streptomyces coelicolor; Streptomyces peucetius; biomass production; biosynthesis; doxorubicin; gene expression regulation; gene overexpression; histidine kinase; mutants; secondary metabolites; transcription (genetics)
Abstract:
... The orphan histidine kinase (HK) from Streptomyces peucetius ATCC 27952 (ohkAsp) was found to be implicated in the regulation of doxorubicin (DOX)/daunorubicin (DNR) biosynthesis, self-defense and developmental attributes. OhkAsp is a homolog of OhkA from Streptomyces coelicolor and Streptomyces avermitilis (with 73 and 75% identity). As in its homologs, S. peucetius mutant with deletion of ohkAsp ...
DOI:
10.1016/j.micres.2018.05.007

9. LotS/LotR/Clp, a novel signal pathway responding to temperature, modulating protease expression via c-di-GMP mediated manner in Stenotrophomonas maltophilia FF11

Author:
Wang, Qingling; Ji, Fangling; Guo, Jianli; Wang, Yuepeng; Li, Yanyan; Wang, Jingyun; An, Lijia; Bao, Yongming
Source:
Microbiological research 2018 v.214 pp. 60-73
ISSN:
0944-5013
Subject:
Stenotrophomonas maltophilia; aquaculture; bacteria; binding capacity; cyclic AMP; enzyme activity; fish; industry; pathogens; proteinases; signal transduction; spoilage bacteria; temperature
Abstract:
... Stenotrophomonas maltophilia as one of increasing food spoilage bacteria and fish pathogens has become a threat to aquiculture industry. A major factor contributing to the success of bacterium is its outstanding ability to secrete protease at low temperatures. Here, a cAMP receptor like protein (Clp) shows a positive regulation on this protease, named S. maltophilia temperature-response protease ( ...
DOI:
10.1016/j.micres.2018.05.014

10. Novel Trichoderma strains isolated from tree barks as potential biocontrol agents and biofertilizers for direct seeded rice

Author:
Swain, Harekrushna; Adak, Totan; Mukherjee, Arup K.; Mukherjee, Prasun K.; Bhattacharyya, Pratap; Behera, Shantiprava; Bagchi, Torit Baran; Patro, Rashmishree; Shasmita,; Khandual, Ansuman; Bag, M.K.; Dangar, T.K.; Lenka, S.; Jena, M.
Source:
Microbiological research 2018 v.214 pp. 83-90
ISSN:
0944-5013
Subject:
Athelia rolfsii; Bipolaris oryzae; Magnaporthe salvinii; Sclerotium (genus); Thanatephorus cucumeris; Trichoderma; abiotic stress; bark; biofertilizers; biological control agents; chlorophyll; crop management; direct seeding; enzymes; germination; nutrients; plant pathogens; rice; seed treatment; soil; trees; vigor; India
Abstract:
... This study is the first time report of utilization of Trichoderma spp. isolated from different tree bark from Odisha state of India for rice crop health management and higher productivity. Six isolates of Trichoderma spp. were identified based on the morphological characteristics and species determination was performed by molecular assays. One of the isolated strains determined as Trichoderma erin ...
DOI:
10.1016/j.micres.2018.05.015

11. Role of hypothetical protein YicS in the pathogenicity of Avian Pathogenic Escherichia coli in vivo and in vitro

Author:
Verma, Renu; Rojas, Thaís Cabrera Galvão; Maluta, Renato Pariz; Leite, Janaína Luisa; Nakazato, Gerson; de Silveira, Wanderley Dias
Source:
Microbiological research 2018 v.214 pp. 28-36
ISSN:
0944-5013
Subject:
human cell lines; selection pressure; biofilm; bacteria; models; virulence; genes; mutants; poultry; chicks; swollen head syndrome; Escherichia coli
Abstract:
... Avian Pathogenic Escherichia coli (APEC) strains belong to the extra-intestinal pathogenic group of E. coli (ExPEC) that causes colibacillosis in poultry. A variety of putative virulence factors of APEC are recognized as potent causes of pathogenicity, the mechanisms underlying their pathogenicity are still not fully understood. The role of yicS in the virulence of pathogenic E. coli is still uncl ...
DOI:
10.1016/j.micres.2018.05.009

12. Role of two-component regulatory systems in the virulence of Streptococcus suis

Author:
Zheng, Chengkun; Li, Lingzhi; Ge, Haojie; Meng, Hongmei; Li, Yang; Bei, Weicheng; Zhou, Xiaohui
Source:
Microbiological research 2018 v.214 pp. 123-128
ISSN:
0944-5013
Subject:
Streptococcus suis; bacteria; drugs; financial economics; pathogenesis; pathogens; stress response; virulence
Abstract:
... Streptococcus suis is an important zoonotic pathogen that causes severe infections and great economic losses worldwide. Understanding how this pathogen senses and responds to environmental signals during the infectious process can offer insight into its pathogenesis and may be helpful in the development of drug targets. Two-component regulatory systems (TCSs) play an essential role in this environ ...
DOI:
10.1016/j.micres.2018.07.002

13. Symbiotic characteristics of Bradyrhizobium diazoefficiens USDA 110 mutants associated with shrubby sophora (Sophora flavescens) and soybean (Glycine max)

Author:
Liu, Yuan Hui; Wang, En Tao; Jiao, Yin Shan; Tian, Chang Fu; Wang, Lei; Wang, Zi Jian; Guan, Jia Jing; Singh, Raghvendra Pratap; Chen, Wen Xin; Chen, Wen Feng
Source:
Microbiological research 2018 v.214 pp. 19-27
ISSN:
0944-5013
Subject:
Bradyrhizobium diazoefficiens; Glycine max; Sophora flavescens; biochemical pathways; chemotaxis; genes; host range; mutants; mutation; nodulation; phenotype; plasmids; poly-3-hydroxybutyrate; soybeans; transporters; transposons
Abstract:
... Site-specific insertion plasmid pVO155 was used to knockout the genes involved in the alternation of host range of strain Bradyrhizobium diazoefficiens USDA 110 from its original determinate-nodule-forming host soybean (Glycine max), to promiscuous and indeterminate-nodule-forming shrubby legume sophora (Sophora flavescens). Symbiotic phenotypes of these mutants inoculated to these two legumes, we ...
DOI:
10.1016/j.micres.2018.05.012

14. The pyrophosphohydrolase RppH is involved in the control of RsmA/CsrA expression in Azotobacter vinelandii and Escherichia coli

Author:
Bedoya-Pérez, Leidy Patricia; Muriel-Millán, Luis Felipe; Moreno, Soledad; Quiroz-Rocha, Elva; Rivera-Gómez, Nancy; Espín, Guadalupe
Source:
Microbiological research 2018 v.214 pp. 91-100
ISSN:
0944-5013
Subject:
Azotobacter vinelandii; Escherichia coli; RNA; bioplastics; biosynthesis; mutants; mutation; operon; phenotype; poly-3-hydroxybutyrate; regulatory proteins; soil bacteria; swimming; transactivators; translation (genetics)
Abstract:
... In bacteria, the 5′-end-dependent RNA degradation is triggered by the RNA pyrophosphohydrolase RppH converting tri/diphosphate to monophosphate transcripts. This study shows that in the soil bacterium Azotobacter vinelandii, inactivation of rppH gene negatively affected the production of bioplastic poly-β-hydroxybutyrate (PHB) by reducing the expression at the translational level of PhbR, the spec ...
DOI:
10.1016/j.micres.2018.05.013