Lysine and novel hydroxylysine lipids in soil bacteria: amino acid membrane lipid response to temperature and pH in Pseudopedobacter saltans.

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：:Aspergillus flavus is the main producer of carcinogenic aflatoxins in agricultural commodities such as maize. This fungus occurs naturally on crops, and produces aflatoxins when environmental conditions are favorable. The aim of this study is to analyse the genetic variability among 109 A. flavus isolates previously r...

journal_title：Frontiers in microbiology

authors： Okoth S,De Boevre M,Vidal A,Diana Di Mavungu J,Landschoot S,Kyallo M,Njuguna J,Harvey J,De Saeger S

更新日期：2018-01-26 00:00:00

abstract：:Grapevine leafroll disease (GLD) is one of the most important grapevine viral diseases affecting grapevines worldwide. The impact on vine health, crop yield, and quality is difficult to assess due to a high number of variables, but significant economic losses are consistently reported over the lifespan of a vineyard i...

journal_title：Frontiers in microbiology

authors： Maree HJ,Almeida RP,Bester R,Chooi KM,Cohen D,Dolja VV,Fuchs MF,Golino DA,Jooste AE,Martelli GP,Naidu RA,Rowhani A,Saldarelli P,Burger JT

更新日期：2013-04-16 00:00:00

abstract：:The study of inorganic nutrients dynamics in shallow sediments usually focuses on two main pools: porewater (PW) nutrients and exchangeable (EX) ammonium and phosphate. Recently, it has been found that microphytobenthos (MPB) and other microorganisms can accumulate large amounts of nutrients intracellularly (IC), high...

journal_title：Frontiers in microbiology

authors： Garcia-Robledo E,Bohorquez J,Corzo A,Jimenez-Arias JL,Papaspyrou S

更新日期：2016-05-26 00:00:00

abstract：:This study presents three novel integrons In1394, In1395, and In1443, three novel unit transposons Tn6392, Tn6393, and Tn6403, one novel conjugative element (ICE) Tn6413, and the first sequenced IncP-7 resistance plasmid p1160-VIM from clinical Pseudomonas aeruginosa. Detailed sequence comparison of p1160-VIM (carryin...

journal_title：Frontiers in microbiology

authors： Zeng L,Zhan Z,Hu L,Jiang X,Zhang Y,Feng J,Gao B,Zhao Y,Yang W,Yang H,Yin Z,Zhou D

更新日期：2019-02-26 00:00:00

abstract：:Probiotic bacteria have been associated with various health benefits and included in overwhelming number of foods. Today, probiotic supplements are consumed with increasing regularity and record a rapidly growing economic value. With billions of heterogeneous populations of probiotics per serving, probiotic supplement...

journal_title：Frontiers in microbiology

authors： Wang Y,Jiang Y,Deng Y,Yi C,Wang Y,Ding M,Liu J,Jin X,Shen L,He Y,Wu X,Chen X,Sun C,Zheng M,Zhang R,Ye H,An H,Wong A

更新日期：2020-02-28 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：:The High Arctic is dominated by polar desert habitats whose microbial communities are poorly understood. In this study, we used next generation sequencing to describe the α- and β-diversity of microbial communities in polar desert soils from the Kongsfjorden region of Svalbard. Ten phyla dominated the soils and accoun...

journal_title：Frontiers in microbiology

authors： McCann CM,Wade MJ,Gray ND,Roberts JA,Hubert CR,Graham DW

更新日期：2016-03-31 00:00:00

abstract：:Phage therapy requires libraries of well-characterized phages. Here we describe the generation of phage libraries for three target species: Escherichia coli, Pseudomonas aeruginosa, and Enterobacter cloacae. The basic phage characteristics on the isolation host, sequence analysis, growth properties, and host range and...

journal_title：Frontiers in microbiology

authors： Gibson SB,Green SI,Liu CG,Salazar KC,Clark JR,Terwilliger AL,Kaplan HB,Maresso AW,Trautner BW,Ramig RF

更新日期：2019-11-12 00:00:00

abstract：:Disease causing Escherichia coli commonly found in meat and poultry include intestinal pathogenic E. coli (iPEC) as well as extraintestinal types such as the Uropathogenic E. coli (UPEC). In this study we compared the resistance of iPEC (O157:H7) to UPEC in chicken meat using High Pressure Processing (HPP) in with (th...

journal_title：Frontiers in microbiology

authors： Chien SY,Sheen S,Sommers CH,Sheen LY

更新日期：2016-06-14 00:00:00

abstract：:Cereals-derived foods represent a key constituent in the diet of many populations. In particular, pasta is consumed in large quantities throughout the world in reason of its nutritive importance, containing significant amounts of complex carbohydrates, proteins, B-vitamins, and iron. Lactic acid bacteria (LAB) are a h...

journal_title：Frontiers in microbiology

authors： Capozzi V,Russo P,Fragasso M,De Vita P,Fiocco D,Spano G

更新日期：2012-03-15 00:00:00

abstract：:Bacteria in natural habitats are exposed to myriad redox-active compounds (RACs), which include producers of reactive oxygen species (ROS) and reactive electrophile species (RES) that alkylate or oxidize thiols. RACs can induce oxidative stress in cells and activate response pathways by modulating the activity of sens...

journal_title：Frontiers in microbiology

authors： Lee KL,Yoo JS,Oh GS,Singh AK,Roe JH

更新日期：2017-02-02 00:00:00

abstract：:Dendritic cells (DCs) and NK cells play a crucial role in the first phase of host defense against infections. Group B Streptococcus (GBS) and Streptococcus suis are encapsulated streptococci causing severe systemic inflammation, leading to septicemia and meningitis. Yet, the involvement of NK cells in the innate immun...

journal_title：Frontiers in microbiology

authors： Lemire P,Galbas T,Thibodeau J,Segura M

更新日期：2017-06-29 00:00:00

abstract：:Alphaviruses and flaviviruses are important human pathogens that include Chikungunya virus (CHIKV), Dengue virus (DENV), and Zika virus (ZIKV), which can cause diseases in humans ranging from arthralgia to hemorrhagic fevers and microcephaly. It was previously shown that treatment with surface layer (S-layer) protein,...

journal_title：Frontiers in microbiology

authors： Prado Acosta M,Geoghegan EM,Lepenies B,Ruzal S,Kielian M,Martinez MG

更新日期：2019-04-16 00:00:00

abstract：:Helicobacter pylori, a gastric pathogen, is known to be associated with gastric and duodenal ulcers, and is also a strong risk factor for the development of gastric cancer and lymphoma of the mucosal-associated lymphoid tissue. Ordinarily, this should make a strong case for its eradication at par with any other infect...

journal_title：Frontiers in microbiology

authors： Sitaraman R

更新日期：2015-06-09 00:00:00

abstract：:Guanylate kinases (GKs), which convert guanosine monophosphate into guanosine diphosphate (GDP), are important for growth and mannose outer chain elongation of cell wall N-linked glycoproteins in yeast. Here, we identified the ortholog of Saccharomyces cerevisiae GK Guk1, named MoGuk1 and a novel family of fungal GKs ...

journal_title：Frontiers in microbiology

authors： Cai X,Zhang X,Li X,Liu M,Liu X,Wang X,Zhang H,Zheng X,Zhang Z

更新日期：2017-12-11 00:00:00

abstract：:The estuarine nitrogen cycle can be substantially altered due to anthropogenic activities resulting in increased amounts of inorganic nitrogen (mainly nitrate). In the past, denitrification was considered to be the main ecosystem process removing reactive nitrogen from the estuarine ecosystem. However, recent reports ...

journal_title：Frontiers in microbiology

authors： Decleyre H,Heylen K,Van Colen C,Willems A

更新日期：2015-10-14 00:00:00

abstract：:Maternally inherited endosymbionts inhabit a variety of arthropods. Some of them can protect the arthropod host against a wide range of pathogens. However, very little is known about the association between endosymbionts and pathogen susceptibility in ticks. The present study investigated the effect of endosymbionts o...

journal_title：Frontiers in microbiology

authors： Li LH,Zhang Y,Zhu D,Zhou XN

更新日期：2018-06-27 00:00:00

abstract：:Biofilms are surface-attached communities of bacterial cells embedded in a self-produced matrix that are found ubiquitously in nature. The biofilm matrix is composed of various extracellular polymeric substances, which confer advantages to the encapsulated bacteria by protecting them from eradication. The matrix compo...

journal_title：Frontiers in microbiology

authors： Whitfield GB,Marmont LS,Howell PL

更新日期：2015-05-15 00:00:00

abstract：:Swarming is a surface-associated motile behavior that plays an important role in the rapid spread, colonization, and subsequent establishment of bacterial communities. In Pseudomonas aeruginosa, swarming is dependent upon a functional flagella and aided by the production of biosurfactants. AmrZ, a conserved transcript...

journal_title：Frontiers in microbiology

authors： Hou L,Debru A,Chen Q,Bao Q,Li K

更新日期：2019-08-14 00:00:00

abstract：:Illicit drugs, such as cocaine, are known to increase the likelihood and severity of HIV-1 associated neurocognitive disorders (HAND). In the current studies synaptic integrity was assessed following exposure to low concentrations of the HIV-1 viral protein Tat 1-86B, with or without cocaine, by quantifying filamentou...

journal_title：Frontiers in microbiology

authors： Bertrand SJ,Hu C,Aksenova MV,Mactutus CF,Booze RM

更新日期：2015-09-08 00:00:00

abstract：:Iron (Fe) is an essential micronutrient for many processes in all living cells. Dissolved Fe (dFe) concentrations in the ocean are of the order of a few nM, and Fe is often a factor limiting primary production. Bioavailability of Fe in aquatic environments is believed to be primarily controlled through chelation by Fe...

journal_title：Frontiers in microbiology

authors： Desai DK,Desai FD,Laroche J

更新日期：2012-10-18 00:00:00

abstract：:The heparin-binding hemagglutinin adhesin (HBHA) is an important virulence factor of Mycobacterium tuberculosis. It is a surface-displayed protein that serves as an adhesin for non-phagocytic cells and is involved in extra-pulmonary dissemination of the tubercle bacillus. It is also an important latency antigen useful...

journal_title：Frontiers in microbiology

authors： Raze D,Verwaerde C,Deloison G,Werkmeister E,Coupin B,Loyens M,Brodin P,Rouanet C,Locht C

更新日期：2018-09-24 00:00:00

abstract：:Paracoccidioidomycosis (PCM) is the most prevalent endemic mycosis in Latin America. The disease is caused by fungi of the genus Paracoccidioides and mainly affects low-income rural workers after inhalation of fungal conidia suspended in the air. The current arsenal of chemotherapeutic agents requires long-term admini...

journal_title：Frontiers in microbiology

authors： de Oliveira AA,Neves BJ,Silva LDC,Soares CMA,Andrade CH,Pereira M

更新日期：2019-06-12 00:00:00

abstract：:mRNA levels result from an equilibrium between transcription and degradation. Ribonucleases (RNases) facilitate the turnover of mRNA, which is an important way of controlling gene expression, allowing the cells to adjust transcript levels to a changing environment. In contrast to the heterotrophic model bacteria Esche...

journal_title：Frontiers in microbiology

authors： Cavaiuolo M,Chagneau C,Laalami S,Putzer H

更新日期：2020-06-03 00:00:00

abstract：:Nutrient availability and ratios can play an important role in shaping microbial communities of freshwater ecosystems. The Cuatro Ciénegas Basin (CCB) in Mexico is a desert oasis where, perhaps paradoxically, high microbial diversity coincides with extreme oligotrophy. To better understand the effects of nutrients on ...

journal_title：Frontiers in microbiology

authors： Lee ZM,Poret-Peterson AT,Siefert JL,Kaul D,Moustafa A,Allen AE,Dupont CL,Eguiarte LE,Souza V,Elser JJ

更新日期：2017-05-30 00:00:00

abstract：:Whole genome sequencing (WGS) of Mycobacterium tuberculosis has been constructive in understanding its evolution, genetic diversity and the mechanisms involved in drug resistance. A large number of sequencing efforts from across the globe have revealed genetic diversity among clinical isolates and the genetic determin...

journal_title：Frontiers in microbiology

authors： Advani J,Verma R,Chatterjee O,Pachouri PK,Upadhyay P,Singh R,Yadav J,Naaz F,Ravikumar R,Buggi S,Suar M,Gupta UD,Pandey A,Chauhan DS,Tripathy SP,Gowda H,Prasad TSK

更新日期：2019-02-26 00:00:00

abstract：:Lower and upper respiratory infections are the fourth highest cause of global mortality (Lozano et al., 2012). Epidemic and pandemic outbreaks of respiratory infection are a major medical concern, often causing considerable disease and a high death toll, typically over a relatively short period of time. Influenza is a...

journal_title：Frontiers in microbiology

authors： Morris DE,Cleary DW,Clarke SC

更新日期：2017-06-23 00:00:00

abstract：:Vibrio parahaemolyticus, the leading cause of seafood-associated gastroenteritis, harbors two separate T6SSs on chromosomes 1 and 2, i.e., T6SS1 (VP1386-1420) and T6SS2 (VPA1025-1046). T6SS1 contains at least 7 putative operons: VP1386-1387, VP1388-1390, VP1392-1391, VP1393-1406, VP1400-1406, VP1409-1407, and VP1410-1...

journal_title：Frontiers in microbiology

authors： Zhang Y,Gao H,Osei-Adjei G,Zhang Y,Yang W,Yang H,Yin Z,Huang X,Zhou D

更新日期：2017-10-16 00:00:00

abstract：:Metabolic disorders associated with obesity and cardiometabolic disorders are worldwide epidemic. Among the different environmental factors, the gut microbiota is now considered as a key player interfering with energy metabolism and host susceptibility to several non-communicable diseases. Among the next-generation be...

journal_title：Frontiers in microbiology

authors： Cani PD,de Vos WM

更新日期：2017-09-22 00:00:00