Comparative Analyses of the Digestive Tract Microbiota of New Guinean Passerine Birds.

abstract：:Molecular signaling networks in the actinorhizal rhizosphere select host-compatible Frankia strains, trigger the infection process and eventually the genesis of nitrogen-fixing nodules. The molecular triggers involved remain difficult to ascertain. Root exudates (RE) are highly dynamic substrates that play key roles i...

journal_title：Frontiers in microbiology

authors： Ktari A,Gueddou A,Nouioui I,Miotello G,Sarkar I,Ghodhbane-Gtari F,Sen A,Armengaud J,Gtari M

更新日期：2017-05-02 00:00:00

abstract：:Soil microbial communities modulate soil organic matter (SOM) dynamics by catalyzing litter decomposition. However, our understanding of how litter-derived carbon (C) flows through the microbial portion of the soil food web is far from comprehensive. This information is necessary to facilitate reliable predictions of ...

journal_title：Frontiers in microbiology

authors： Heijboer A,de Ruiter PC,Bodelier PLE,Kowalchuk GA

更新日期：2018-11-26 00:00:00

abstract：:In bacteria, the GntR family is a widespread family of transcription factors responsible for the regulation of a myriad of biological processes. In contrast, despite their occurrence in archaea only a little information is available on the function of GntR-like transcription factors in this domain of life. The thermoa...

journal_title：Frontiers in microbiology

authors： Lemmens L,Tilleman L,De Koning E,Valegård K,Lindås AC,Van Nieuwerburgh F,Maes D,Peeters E

更新日期：2019-09-10 00:00:00

abstract：:Merkel cell polyomavirus (MCV) plays a causal role in ∼80% of Merkel cell carcinomas (MCC). MCV is clonally integrated into the MCC tumor genome, which results in persistent expression of large T (LT) and small T (sT) antigen oncoproteins encoded by the early locus. In MCV-positive MCC tumors, LT is truncated by prema...

journal_title：Frontiers in microbiology

authors： Velásquez C,Amako Y,Harold A,Toptan T,Chang Y,Shuda M

更新日期：2018-04-11 00:00:00

abstract：:Microorganisms possess enormous highly specific metabolic activities, which enable them to utilize and transform nearly every known chemical class present in crude oil. In this context, one of the most studied biocatalytic processes is the biodesulfurization (BDS) of thiophenic sulfur-containing compounds such as benz...

journal_title：Frontiers in microbiology

authors： Mohamed Mel-S,Al-Yacoub ZH,Vedakumar JV

更新日期：2015-02-13 00:00:00

abstract：:Viruses and plasmids can introduce novel DNA into bacterial cells, thereby creating an opportunity for genome expansion; conversely, CRISPR, the prokaryotic adaptive immune system, which targets and eliminates foreign DNAs, may impair genome expansions. Recent studies presented conflicting results over the impact of C...

journal_title：Frontiers in microbiology

authors： Gao NL,Chen J,Wang T,Lercher MJ,Chen WH

更新日期：2019-10-16 00:00:00

abstract：:Arbuscular mycorrhizal (AM) fungi confer heavy metal tolerance to plants, but this characteristic differs between different AM fungal strains. We tested the hypotheses if acclimatization of an AM fungus to Zn stress is possible and if this leads also to higher Zn tolerance of mycorrhizal plants. The AM fungus Rhizopha...

journal_title：Frontiers in microbiology

authors： Bui VC,Franken P

更新日期：2018-12-18 00:00:00

abstract：:Streptococcus pneumoniae (S. pneumoniae), a commensal across the nasal passages, is responsible for the majority of infectious pneumonia cases worldwide. Previous studies have shown that hormonal factors may be influential in regulating S. pneumoniae's transition from a non-pathogen to a pathogenic state. The current ...

journal_title：Frontiers in microbiology

authors： Ndjom CG,Jones HP

更新日期：2015-04-08 00:00:00

abstract：:Nowadays, contamination of agricultural commodities with fungi and their mycotoxins is one of the most annoying with regard to food safety and pose serious health risk. Therefore, there is a requisite to propose suitable mitigation strategies to reduce the contamination of fungi and mycotoxins in agricultural commodit...

journal_title：Frontiers in microbiology

authors： Kalagatur NK,Kamasani JR,Siddaiah C,Gupta VK,Krishna K,Mudili V

更新日期：2018-07-31 00:00:00

abstract：:Algal cultures are generally co-cultures of algae and bacteria, especially when considering outdoor cultivation. However, the effects of associated bacteria on algal growth remain largely unexplored, particularly in the context of Isochrysis galbana. In the present study, we investigated the effects of antibiotic on t...

journal_title：Frontiers in microbiology

authors： Cao JY,Kong ZY,Zhang YF,Ling T,Xu JL,Liao K,Zhou CX,Yan XJ

更新日期：2019-05-07 00:00:00

abstract：:The development of antibiotic resistance poses an increasing threat to global health. Understanding how resistance develops in bacteria is critical for the advancement of new strategies to combat antibiotic resistance. In the 1980s, it was discovered that certain antibiotics induce elevated rates of mutation in bacter...

journal_title：Frontiers in microbiology

authors： Revitt-Mills SA,Robinson A

更新日期：2020-10-22 00:00:00

abstract：:Metagenomic sequencing with the Oxford Nanopore MinION sequencer offers potential for point-of-care testing of infectious diseases in clinical settings. To improve cost-effectiveness, multiplexing of several, barcoded samples upon a single flow cell will be required during sequencing. We generated a unique sequencing ...

journal_title：Frontiers in microbiology

authors： Xu Y,Lewandowski K,Lumley S,Pullan S,Vipond R,Carroll M,Foster D,Matthews PC,Peto T,Crook D

更新日期：2018-09-19 00:00:00

abstract：:In the present study, the mitogenome of Tuber calosporum was assembled and analyzed. The mitogenome of T. calosporum comprises 15 conserved protein-coding genes, two rRNA genes, and 14 tRNAs, with a total size of 287,403 bp. Fifty-eight introns with 170 intronic open reading frames were detected in the T. calosporum m...

journal_title：Frontiers in microbiology

authors： Li X,Li L,Bao Z,Tu W,He X,Zhang B,Ye L,Wang X,Li Q

更新日期：2020-12-09 00:00:00

abstract：:Two lytic bacteriophages, WCHABP1 and WCHABP12, were recovered from hospital sewage and were able to infect 9 and 12 out of 18 carbapenem-resistant Acinetobacter baumannii clinical strains, which belonged to different clones. Electron microscopy scan showed that both bacteriophages had the similar morphology as those ...

journal_title：Frontiers in microbiology

authors： Zhou W,Feng Y,Zong Z

更新日期：2018-04-30 00:00:00

abstract：:The LhrC family of small regulatory RNAs (sRNAs) is known to be induced when the foodborne pathogen Listeria monocytogenes is exposed to infection-relevant conditions, such as human blood. Here we demonstrate that excess heme, the core component of hemoglobin in blood, leads to a strong induction of the LhrC family me...

journal_title：Frontiers in microbiology

authors： Dos Santos PT,Menendez-Gil P,Sabharwal D,Christensen JH,Brunhede MZ,Lillebæk EMS,Kallipolitis BH

更新日期：2018-03-27 00:00:00

abstract：:Despite the importance of diversification rates in the study of prokaryote evolution, they have not been quantitatively assessed for the majority of microorganism taxa. The investigation of evolutionary patterns in prokaryotes constitutes a challenge due to a very scarce fossil record, limited morphological differenti...

journal_title：Frontiers in microbiology

authors： Sanglas A,Albarral V,Farfán M,Lorén JG,Fusté MC

更新日期：2017-02-08 00:00:00

abstract：:Putrescine is widely used in industrial production of bioplastics, pharmaceuticals, agrochemicals, and surfactants. Although engineered Corynebacterium glutamicum has been successfully used to produce high levels of putrescine, the overall cellular physiological and metabolic changes caused by overproduction of putres...

journal_title：Frontiers in microbiology

authors： Li Z,Liu JZ

更新日期：2017-10-17 00:00:00

abstract：:In Agrobacterium-mediated transformation (AMT) of plants, a single-strand (ss) T-DNA covalently linked with a VirD2 protein moves through a bacterial type IV secretion channel called VirB/D4. This transport system originates from conjugal plasmid transfer systems of bacteria. The relaxase VirD2 and its equivalent prot...

journal_title：Frontiers in microbiology

authors： Ohmine Y,Kiyokawa K,Yunoki K,Yamamoto S,Moriguchi K,Suzuki K

更新日期：2018-05-28 00:00:00

abstract：:The emergence of carbapenem-resistant Enterobacteriaceae (CRE) has become a major public health concern worldwide and a new challenge in the treatment of infectious diseases. The molecular characteristics of Enterobacter cloacae in Ningxia China are unknown. In this study, we reported 10 carbapenem-resistant E. cloaca...

journal_title：Frontiers in microbiology

authors： Shi Z,Zhao H,Li G,Jia W

更新日期：2017-01-31 00:00:00

abstract：:[This corrects the article DOI: 10.3389/fmicb.2018.03247.]. ...

journal_title：Frontiers in microbiology

authors： Gupta S,Fečkaninová A,Lokesh J,Koščová J,Sørensen M,Fernandes J,Kiron V

更新日期：2019-05-15 00:00:00

abstract：:The microbial communities inhabiting the alimentary tracts of mammals, particularly those of herbivores, are estimated to be one of the densest microbial reservoirs on Earth. The significance of these gut microbes in influencing the physiology, ecology and evolution of their hosts is only beginning to be realized. To ...

journal_title：Frontiers in microbiology

authors： Kohl KD,Dearing MD

更新日期：2016-07-28 00:00:00

abstract：:An actinomycetes strain designated as MN 2(6) was isolated from the solitary wasp mud nest. The isolate was identified using polyphasic taxonomy. It produced the extensive branched brown substrate and white aerial hyphae that changed into grayish black. The aerial mycelia produced the spiral spore chains with rugose s...

journal_title：Frontiers in microbiology

authors： Kumar V,Naik B,Gusain O,Bisht GS

更新日期：2014-08-21 00:00:00

abstract：:Microorganisms perform countless tasks on Earth and they are expected to be essential for human space exploration. Despite the interest in the responses of bacteria to space conditions, the findings on the effects of microgravity have been contradictory, while the effects of Martian gravity are nearly unknown. We perf...

journal_title：Frontiers in microbiology

authors： Santomartino R,Waajen AC,de Wit W,Nicholson N,Parmitano L,Loudon CM,Moeller R,Rettberg P,Fuchs FM,Van Houdt R,Finster K,Coninx I,Krause J,Koehler A,Caplin N,Zuijderduijn L,Zolesi V,Balsamo M,Mariani A,Pellari SS,C

更新日期：2020-10-14 00:00:00

abstract：:Random transposon mutagenesis is a powerful technique used to generate libraries of genetic insertions in many different bacterial strains. Here we develop a system facilitating random transposon mutagenesis in a range of different Gram-negative bacterial strains, including Pectobacterium atrosepticum, Citrobacter rod...

journal_title：Frontiers in microbiology

authors： Monson R,Smith DS,Matilla MA,Roberts K,Richardson E,Drew A,Williamson N,Ramsay J,Welch M,Salmond GP

更新日期：2015-12-22 00:00:00

abstract：:Methylorubrum extorquens (formerly Methylobacterium extorquens) AM1 is a methylotrophic bacterium with a versatile lifestyle. Various carbon sources including acetate, succinate and methanol are utilized by M. extorquens AM1 with the latter being a promising inexpensive substrate for use in the biotechnology industry....

journal_title：Frontiers in microbiology

authors： Lim CK,Villada JC,Chalifour A,Duran MF,Lu H,Lee PKH

更新日期：2019-05-09 00:00:00

abstract：:As a natural severe contaminant of stored grains and other crops worldwide, Aspergillus flavus can produce aflatoxins (AFs), the most powerful naturally producing toxic and hepatocarcinogenic compounds. AFs production is regulated by diverse factors including AFs cluster genes, transcription factors, regulators, and e...

journal_title：Frontiers in microbiology

authors： Li X,Jiang Y,Ma L,Ma X,Liu Y,Shan J,Ma K,Xing F

更新日期：2020-07-14 00:00:00

abstract：:Isolated elongate spore-like cells present in the >1600 Ma-old Salkhan Limestone of the Semri Group, Vindhayan Supergroup, India are considered akinetes of the heterocystous cyanobacteria. Small to large size, and young (single walled) to mature (double walled) akinetes - namely, Archaeoellipsoides bactroformis, A. co...

journal_title：Frontiers in microbiology

authors： Sharma M,Shukla B

更新日期：2019-03-12 00:00:00

abstract：:Five sublacustrine thermal spring locations from 1 to 109 m water depth in Yellowstone Lake were surveyed by 16S ribosomal RNA gene sequencing in relation to their chemical composition and dark CO(2) fixation rates. They harbor distinct chemosynthetic bacterial communities, depending on temperature (16-110°C) and elec...

journal_title：Frontiers in microbiology

authors： Yang T,Lyons S,Aguilar C,Cuhel R,Teske A

更新日期：2011-06-13 00:00:00

abstract：:Spices have been used since ancient times. Although they have been employed mainly as flavoring and coloring agents, their role in food safety and preservation have also been studied in vitro and in vivo. Spices have exhibited numerous health benefits in preventing and treating a wide variety of diseases such as cance...

journal_title：Frontiers in microbiology

authors： Gottardi D,Bukvicki D,Prasad S,Tyagi AK

更新日期：2016-09-21 00:00:00

abstract：:Extended-spectrum β-lactamase (ESBL) producing Klebsiella pneumoniae pose an important threat of infection with increased morbidity and mortality, especially for immunocompromised patients. Here, we use the rise of multidrug-resistant K. pneumoniae in a German neurorehabilitation center from April 2015 to April 2016 t...

journal_title：Frontiers in microbiology

authors： Becker L,Fuchs S,Pfeifer Y,Semmler T,Eckmanns T,Korr G,Sissolak D,Friedrichs M,Zill E,Tung ML,Dohle C,Kaase M,Gatermann S,Rüssmann H,Steglich M,Haller S,Werner G

更新日期：2018-02-23 00:00:00