Mechanism and In Vivo Evaluation: Photodynamic Antibacterial Chemotherapy of Lysine-Porphyrin Conjugate.

abstract：:Lake Fryxell, situated in the McMurdo Dry Valleys of Antarctica, is an intriguing aquatic ecosystem because of its perennial ice cover, highly stratified water column, and extreme physicochemical conditions, which collectively restrict lake biodiversity to solely microbial forms. To expand our current understanding of...

journal_title：Frontiers in microbiology

authors： Baker JM,Vander Schaaf NA,Cunningham AMG,Hang AC,Reeves CL,Huffman ER,Riester CJ,Madigan MT,Sattley WM

更新日期：2019-02-06 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：:Aquatic environments are reservoirs of the human pathogen Vibrio cholerae O1, which causes the acute diarrheal disease cholera. Upon low temperature or limited nutrient availability, the cells enter a viable but non-culturable (VBNC) state. Characteristic of this state are an altered morphology, low metabolic activity...

journal_title：Frontiers in microbiology

authors： Brenzinger S,van der Aart LT,van Wezel GP,Lacroix JM,Glatter T,Briegel A

更新日期：2019-04-17 00:00:00

abstract：:To successfully infect plants, viruses replicate in an initially infected cell and then move to neighboring cells through plasmodesmata (PDs). However, the nature of the viral entity that crosses over the cell barrier into non-infected ones is not clear. The membrane-associated 6K2 protein of turnip mosaic virus (TuMV...

journal_title：Frontiers in microbiology

authors： Grangeon R,Jiang J,Wan J,Agbeci M,Zheng H,Laliberté JF

更新日期：2013-12-04 00:00:00

abstract：:Copper membrane monooxygenases (CuMMOs) oxidize ammonia, methane and some short-chain alkanes and alkenes. They are encoded by three genes, usually in an operon of xmoCAB. We aligned xmo operons from 66 microbial genomes, including members of the Alpha-, Beta-, and Gamma-proteobacteria, Verrucomicrobia, Actinobacteria...

journal_title：Frontiers in microbiology

authors： Khadka R,Clothier L,Wang L,Lim CK,Klotz MG,Dunfield PF

更新日期：2018-10-29 00:00:00

abstract：:A viable but non-culturable (VBNC) state of bacteria induced by disinfection in water treatment poses serious health risks because of possible resuscitation of VBNC cells during transportation. In this study, a setup using continuous-flow ultraviolet (UVC) irradiation ranging from 0 to 172.2 mJ cm-2 was designed to si...

journal_title：Frontiers in microbiology

authors： Zhang S,Guo L,Yang K,Zhang Y,Ye C,Chen S,Yu X,Huang WE,Cui L

更新日期：2018-09-25 00:00:00

abstract：:It has been previously shown that RskA, the anti-Sigma factor K of Mycobacterium tuberculosis, inhibits SigK and that mutations in RskA promote high expression of the SigK regulon. The latter observation led us to hypothesize that RskA mutations lead to loss of the anti-Sigma factor function. In this report, we used n...

journal_title：Frontiers in microbiology

authors： Veyrier FJ,Nieves C,Lefrancois LH,Trigui H,Vincent AT,Behr MA

更新日期：2020-09-09 00:00:00

abstract：:Despite the effective use of antiretroviral therapy, the remainder of a latently HIV-1-infected reservoir mainly in the resting memory CD4+ T lymphocyte subset has provided a great setback toward viral eradication. While host transcriptional silencing machinery is thought to play a dominant role in HIV-1 latency, HIV-...

journal_title：Frontiers in microbiology

authors： Kamori D,Ueno T

更新日期：2017-01-30 00:00:00

abstract：:Over the last years the role of fungal endophytes in plant biology has been extensively studied. A number of species were shown to positively affect plant growth and fitness, thus attempts have been made to utilize these microorganisms in agriculture and phytoremediation. Plant-fungi symbiosis requires multiple metabo...

journal_title：Frontiers in microbiology

authors： Rozpądek P,Domka AM,Nosek M,Ważny R,Jędrzejczyk RJ,Wiciarz M,Turnau K

更新日期：2018-03-19 00:00:00

abstract：:Arid regions show relatively fewer species in comparison to better-watered biomes, but the competition for the few nutrients is very distinct. Here, in total 373 bacterial strains were isolated from rhizospheric soils obtained from three different sampling sites in Tunisia. Their potential for the production of antimi...

journal_title：Frontiers in microbiology

authors： Nasfi Z,Busch H,Kehraus S,Linares-Otoya L,König GM,Schäberle TF,Bachoual R

更新日期：2018-11-13 00:00:00

abstract：:The sheep intestinal tract is characterized by a diverse microbial ecosystem that is vital for the host to digest diet material. The importance of gut microbiota (GM) of animals has also been widely acknowledged because of its pivotal roles in the health and well-being of animals. However, there are no relevant studie...

journal_title：Frontiers in microbiology

authors： Zhang H,Shao M,Huang H,Wang S,Ma L,Wang H,Hu L,Wei K,Zhu R

更新日期：2018-01-31 00:00:00

abstract：:We investigated the interactions of air and snow over one entire winter accumulation period as well as the importance of chemical markers in a pristine free-tropospheric environment to explain variation in a microbiological dataset. To overcome the limitations of short term bioaerosol sampling, we sampled the atmosphe...

journal_title：Frontiers in microbiology

authors： Els N,Greilinger M,Reisecker M,Tignat-Perrier R,Baumann-Stanzer K,Kasper-Giebl A,Sattler B,Larose C

更新日期：2020-05-20 00:00:00

abstract：:Extremely cold environments are a challenge for all organisms. They are mostly inhabited by psychrophilic and psychrotolerant bacteria, which employ various strategies to cope with the cold. Such harsh environments are often highly vulnerable to the influence of external factors and may undergo frequent dynamic change...

journal_title：Frontiers in microbiology

authors： Dziewit L,Bartosik D

更新日期：2014-11-06 00:00:00

abstract：:The goal of this work was to study the overall genomic diversity of microorganisms of the Dagang high-temperature oilfield (PRC) and to characterize the metabolically active fraction of these populations. At this water-flooded oilfield, the microbial community of formation water from the near-bottom zone of an injecti...

journal_title：Frontiers in microbiology

authors： Nazina TN,Shestakova NM,Semenova EM,Korshunova AV,Kostrukova NK,Tourova TP,Min L,Feng Q,Poltaraus AB

更新日期：2017-04-25 00:00:00

abstract：:Activated sludge microbial community composition is a key bio-indicator of the sustainability of wastewater treatment systems. Therefore, a thorough understanding of the activated sludge microbial community dynamics is critical for environmental engineers to effectively manage the wastewater treatment plants (WWTPs). ...

journal_title：Frontiers in microbiology

authors： Zhang H,Feng J,Chen S,Li B,Sekar R,Zhao Z,Jia J,Wang Y,Kang P

更新日期：2018-06-18 00:00:00

abstract：:To estimate and predict the transmission dynamics of respiratory viruses, the estimation of the basic reproduction number, R0, is essential. Recently, approximate Bayesian computation methods have been used as likelihood free methods to estimate epidemiological model parameters, particularly R0. In this paper, we expl...

journal_title：Frontiers in microbiology

authors： Tessmer HL,Ito K,Omori R

更新日期：2018-03-02 00:00:00

abstract：:Communities of methanogens, anaerobic methanotrophic archaea and aerobic methanotrophic bacteria (MOB) were compared by profiling polymerase chain reaction (PCR)-amplified products of mcrA and pmoA genes encoded by methyl-coenzyme M reductase alpha subunit and particulate methane monooxygenase alpha subunit, respectiv...

journal_title：Frontiers in microbiology

authors： Zhou Z,Chen J,Cao H,Han P,Gu JD

更新日期：2015-02-17 00:00:00

abstract：:Acinetobacter baumannii is emerging as a challenging nosocomial pathogen due to its rapid evolution of antibiotic resistance. We report characterization of two novel bacteriophages, PBAB08 and PBAB25, infecting clinically isolated, multidrug-resistant (MDR) A. baumannii strains. Both phages belonged to Myoviridae of C...

journal_title：Frontiers in microbiology

authors： Cha K,Oh HK,Jang JY,Jo Y,Kim WK,Ha GU,Ko KS,Myung H

更新日期：2018-04-10 00:00:00

abstract：:A common feature of microbial colonization in deserts is biological soil crusts (BSCs), and these comprise a complex community dominated by Cyanobacteria. Rock substrates, particularly sandstone, are also colonized by microbial communities. These are separated by bare sandy soil that also supports microbial colonizati...

journal_title：Frontiers in microbiology

authors： Lee KC,Archer SD,Boyle RH,Lacap-Bugler DC,Belnap J,Pointing SB

更新日期：2016-09-26 00:00:00

abstract：:The larval stage of Echinococcus granulosus sensu lato, resulting in cystic echinococcosis, a parasitic zoonosis, causes huge economic losses to the livestock industry and poses a threat to public health. Inhibitor of apoptosis proteins (IAPs) is a class of endogenous anti-apoptotic family, which plays a significant f...

journal_title：Frontiers in microbiology

authors： Zhan J,Song H,Wang N,Guo C,Shen N,Hua R,Shi Y,Angel C,Gu X,Xie Y,Lai W,Peng X,Yang G

更新日期：2020-04-22 00:00:00

abstract：:Bacteriophages (phages) are bacterial viruses that parasitize bacteria. They are highly prevalent in nature, with an estimated 1031 viral particles in the whole biosphere, and they outnumber bacteria by at least 10-fold. Hence, phages represent important drivers of bacterial evolution, although our knowledge of the ro...

journal_title：Frontiers in microbiology

authors： Fortier LC

更新日期：2018-08-31 00:00:00

abstract：:The seasonal melting of ice entombed cryoconite holes on McMurdo Dry Valley glaciers provides oases for life in the harsh environmental conditions of the polar desert where surface air temperatures only occasionally exceed 0°C during the Austral summer. Here we follow temporal changes in cryoconite hole biogeochemistr...

journal_title：Frontiers in microbiology

authors： Telling J,Anesio AM,Tranter M,Fountain AG,Nylen T,Hawkings J,Singh VB,Kaur P,Musilova M,Wadham JL

更新日期：2014-12-11 00:00:00

abstract：:Species of Trichoderma exert direct biocontrol activity against soil-borne plant pathogens due to their ability to compete for nutrients and to inhibit or kill their targets through the production of antibiotics and/or hydrolytic enzymes. In addition to these abilities, Trichoderma spp. have beneficial effects for pla...

journal_title：Frontiers in microbiology

authors： Pérez E,Rubio MB,Cardoza RE,Gutiérrez S,Bettiol W,Monte E,Hermosa R

更新日期：2015-10-27 00:00:00

abstract：:The lumenal surfaces of human body are lined by a monolayer of epithelia that together with mucus secreting cells and specialized immune cells form the mucosal barrier. This barrier is one of the most fundamental components of the innate immune system, protecting organisms from the vast environmental microbiota. The m...

journal_title：Frontiers in microbiology

authors： Engel J,Eran Y

更新日期：2011-05-26 00:00:00

abstract：:While multicellular magnetotactic prokaryotes (MMPs) are ubiquitous in marine environments, the diversity of MMPs in sediments of coral reef ecosystems has rarely been reported. In this study, we made an investigation on the diversity and characteristics of MMPs in sediments at 11 stations in coral reef habitats of th...

journal_title：Frontiers in microbiology

authors： Teng Z,Zhang Y,Zhang W,Pan H,Xu J,Huang H,Xiao T,Wu LF

更新日期：2018-09-11 00:00:00

abstract：:Multidrug-resistant tuberculosis (TB), defined as TB resistant to the two first-line drugs, isoniazid and rifampin, is a serious challenge to global TB eradication efforts. Although mutations in rpoA or rpoC have been proposed to compensate for this fitness cost due to rpoB mutation in rifampicin-resistant Mycobacteri...

journal_title：Frontiers in microbiology

authors： Xu Z,Zhou A,Wu J,Zhou A,Li J,Zhang S,Wu W,Karakousis PC,Yao YF

更新日期：2018-11-30 00:00:00

abstract：:The human immune response that controls Plasmodium infection in the liver and blood stages of the parasite life cycle is composed by both pro- and anti-inflammatory programs. Pro-inflammatory responses primarily mediated by IFN-γ controls the infection, but also induce tolerogenic mechanisms to limit host damage, incl...

journal_title：Frontiers in microbiology

authors： Dos Santos RO,da Cruz MGS,Lopes SCP,Oliveira LB,Nogueira PA,Lima ES,Soares IS,Kano FS,de Carvalho AT,Costa FTM,Ganoza CA,de Lacerda MVG,Lalwani P

更新日期：2020-03-17 00:00:00

abstract：:Pseudomonas aeruginosa infections are becoming increasingly difficult to treat due to intrinsic antibiotic resistance and the propensity of this pathogen to accumulate diverse resistance mechanisms. Hyperexpression of efflux pumps of the Resistance-Nodulation-Cell Division (RND)-type multidrug efflux pumps (e.g., MexAB-Op...

journal_title：Frontiers in microbiology

authors： Dreier J,Ruggerone P

更新日期：2015-07-08 00:00:00

abstract：:Chlamydia suis is a swine pathogen that has also recently been found to cause zoonotic infections of the human eye, pharynx, and gastrointestinal tract. Many strains contain a tetracycline class C gene [tet(C)] cassette that confers tetracycline resistance. The cassette was likely originally acquired by horizontal gen...

journal_title：Frontiers in microbiology

authors： Marti H,Kim H,Joseph SJ,Dojiri S,Read TD,Dean D

更新日期：2017-02-07 00:00:00

abstract：:Rhizaria are an important component of oceanic plankton communities worldwide. A number of species harbor eukaryotic microalgal symbionts, which are horizontally acquired in the environment at each generation. Although these photosymbioses are determinant for Rhizaria ability to thrive in oceanic ecosystems, the mecha...

journal_title：Frontiers in microbiology

authors： Balzano S,Corre E,Decelle J,Sierra R,Wincker P,Da Silva C,Poulain J,Pawlowski J,Not F

更新日期：2015-03-17 00:00:00