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Journal FEMS Microbiol. Lett.

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Impact of inter-amoebic phagocytosis on the L. pneumophila growth.

Rafik Dey, Mouh Rayane Mameri, Selena Trajkovic-Bodennec, Jacques Bodennec, Pierre Pernin,

Free-living amoebae are known to act as replication niches for the pathogenic bacterium Legionella pneumophila in freshwater environments. However, we previously reported that some strains of the Willaertia magna species are more resistant to L. pneumophila infection and differ in their ability to support its growth. From this observation, we ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(18):]

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A novel sophorolipid-producing Candida keroseneae GBME-IAUF-2 as a potential agent in microbial enhanced oil recovery (MEOR).

Zahra Ganji, Keivan Beheshti-Maal, Ahmadreza Massah, Zarrindokht Emami-Karvani,

The biosurfactants have extensive applications in food and petroleum microbiology. The aims of this research were isolation and characterization of thermo-tolerant biosurfactants from highly producing yeast strains. The Bushnell Hass medium was used for screening the biosurfactant-producing yeasts. Biosurfactant presence was evaluated using oil displacement assay and surface tension test. ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(17):]

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The type of microorganism and substrate determines the odor fingerprint of dried bacteria targeting microbial protein production.

Myrsini Sakarika, Daylan Amelia Tzompa Sosa, Mathilde Depoortere, Hayley Rottiers, Ramon Ganigué, Koen Dewettinck, Korneel Rabaey,

The rapidly increasing demand for protein has led to the pursuit of new protein sources, among which microbial protein (MP) is one of the most promising. Although the nutritional properties of MP are important and often well-studied, the sensory properties of the microbial cells will in part determine the commercial ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(18):]

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Bacteriophytochrome from Magnetospirillum magneticum affects phototactic behavior in response to light.

Haitao Chen, Dandan Li, Yao Cai, Long-Fei Wu, Tao Song,

Phytochromes are a class of photoreceptors found in plants and in some fungi, cyanobacteria, and photoautotrophic and heterotrophic bacteria. Although phytochromes have been structurally characterized in some bacteria, their biological and ecological roles in magnetotactic bacteria remain unexplored. Here, we describe the biochemical characterization of recombinant bacteriophytochrome (BphP) from magnetotactic ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(17):]

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Transition-state theory-based analysis of diffusion of water in yeast cells.

Mehvish K Durrani, Jonghoon Kang,

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(18):]

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Trends in Microbiology publications: are classic scientific journals condemned to extinction?

Sergi Maicas, Ruth Sánchez-Fresneda, Juan-Carlos Argüelles,

Scientific journals have played an essential role in the diffusion of research breakthroughs. For many years there was no competition between journals, but, in recent decades they have become categorized by a careful assessment of their published contents based on several metric parameters. Of greater note, the 'prestige index' has ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(17):]

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Analysis of 5'-NAD capping of mRNAs in dormant spores of Bacillus subtilis.

D Levi Craft, George Korza, Yaqing Zhang, Jens Frindert, Andres Jäschke, Melissa J Caimano, Peter Setlow,

Spores of Gram-positive bacteria contain 10s-1000s of different mRNAs. However, Bacillus subtilis spores contain only ∼ 50 mRNAs at > 1 molecule/spore, almost all transcribed only in the developing spore and encoding spore proteins. However, some spore mRNAs could be stabilized to ensure they are intact in dormant spores, perhaps to direct ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(17):]

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Kinetic and substrate complex characterization of RamA, a corrinoid protein reductive activase from Methanosarcina barkeri.

Katherine A Huening, Ruisheng Jiang, Joseph A Krzycki,

In microbial corrinoid-dependent methyltransferase systems, adventitious Co(I)-corrinoid oxidation halts catalysis and necessitates repair by ATP-dependent reductive activases. RamA, an activase with a C-terminal ferredoxin domain with two [4Fe-4S] clusters from methanogenic archaea, has been far less studied than the bacterial activases bearing an N-terminal ferredoxin domain with one [2Fe-2S] cluster. ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(17):]

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Rehydration of dry corn preserves the desirable bacterial community during ensiling.

Paula de Almeida Carvalho-Estrada, Pedro Avelino Maia de Andrade, Solidete de Fátima Paziani, Luiz Gustavo Nussio, Maria Carolina Quecine,

This study evaluated the rehydration approach of mature corn grains as an alternative for high-moisture corn grain silage production in distinct corn hybrids, storage period, cultivation locations and kernel maturity at plant harvest. High-moisture corn was used as a control. The dry matter content and pH of the silage were ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(17):]

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Diatom DNA barcodes for forensic discrimination of drowning incidents.

Mengyan Liu, Yi Zhao, Yuzhe Sun, Ping Wu, Shiliang Zhou, Liang Ren,

The presence of diatoms in victim's internal organs has been regarded as a gold biological evidence of drowning. The idea becomes true at the advent of DNA metabarcoding. Unfortunately, the DNA barcode of diatoms are far from being applicable due to neither consensus on the barcode and nor reliable reference ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(17):]

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A toddler SHIME® model to study microbiota of young children.

Pauline Bondue, Sarah Lebrun, Bernard Taminiau, Nadia Everaert, Gisele LaPointe, Sebastien Crevecoeur, Georges Daube, Veronique Delcenserie,

The 'first 1000 days of life' determine the gut microbiota composition and can have long-term health consequences. In this study, the simulator of the human intestinal microbial ecosystem (SHIME®) model, which represents the main functional sections of the digestive tract, was chosen to study the microbiota of young children. The ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(16):]

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Isolation and plasmid characterisation of Salmonella enterica serovar Albany harbouring mcr-5 from retail chicken meat in Japan.

Yuki Wakabayashi, Tsuyoshi Sekizuka, Takahiro Yamaguchi, Akira Fukuda, Masato Suzuki, Ryuji Kawahara, Masumi Taguchi, Makoto Kuroda, Keiko Semba, Hiroto Shinomiya, Kentaro Kawatsu,

The emergence of plasmid-mediated colistin resistance genes (mcr), which is occurring in numerous countries, is a worldwide concern, primarily because colistin is a last-resort antibiotic. Compared to E. coli, prevalence of mcr genes in Salmonella is unclear in Japan. Here we screened for mcr-1-5 genes in our collection of Salmonella ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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Adopt a Bacterium: a professional development opportunity for teacher assistants.

N P Taschner, L G de Almeida, R A Pose, R C C Ferreira,

Science teaching in most Brazilian Universities tends to focus mainly on lectures and provides few opportunities for the development of modern teaching skills. Our group developed an online tool called Adopt a Bacterium, which consists on a Facebook group where teacher assistants (TAs) can interact with students and have a ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(16):]

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'Bacterial Programmed Cell Death': cellular altruism or genetic selfism?

Bhaskar Chandra Mohan Ramisetty, Pavithra Anantharaman Sudhakari,

Cell-dependent propagation of the 'self' is the driver of all species, organisms and even genes. Conceivably, elimination of these entities is caused by cellular death. Then, how can genes that cause the death of the same cell evolve? Programmed cell death (PCD) is the gene-dependent self-inflicted death. In multicellular organisms, ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(16):]

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Shotgun metagenomics of indigenous bacteria collected from the banks of the San Jacinto River for biodegradation of aromatic waste.

Rupa Iyer, Ashish Damania,

Several Eastern Harris County communities lie near the now enclosed San Jacinto River (SJR) Waste Pit Superfund, a dumping ground for chlorinated dioxins and other paper mill waste products. Currently, no active monitoring of the SJR is conducted for these toxins with the exact concentration and health impact to the ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(16):]

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Recovery of chromium, copper and vanadium combined with electricity generation in two-chambered microbial fuel cells.

Kartik S Aiyer,

Microbial fuel cells (MFCs) offer a promising solution towards recovery and treatment of heavy metal pollutants. In this study, two-chambered MFCs were employed for recovery of chromium, copper and vanadium (Cr (VI), Cu (II) and V (V)). One g/L concentrations of K2Cr2O7, CuCl2 and NaVO3 served as catholytes, while a ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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Description of Shewanella salipaludis sp. nov., isolated from a salt marsh.

Sooyeon Park, Siyu Chen, Jung-Sook Lee, Wonyong Kim, Jung-Hoon Yoon,

A Gram-stain-negative and flagellated bacterial strain, SHSM-M6T, was isolated from salt marsh from Yellow Sea, Republic of Korea. Neighbor-joining phylogenetic tree of 16S rRNA gene sequences showed that strain SHSM-M6T belongs to the genus Shewanella. 16S rRNA gene sequence similarity values between strain SHSM-M6T and the type strains of Shewanella ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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Assessment of the microbiological quality of natural mineral waters according to the manufacturing time of 20 L returnable packs in Brazil.

Isabelle da Silva Luz, Luiza Vasconcellos, Valéria de Mello Medeiros, Catia Aparecida Chaia Miranda, Carla de Oliveira Rosas, Márcia Maria Araújo Pimenta, Fernando César Ferreira, Célia Maria Carvalho Pereira Araújo Romão, Marcelo Luiz Lima Brandão, Marize Pereira Miagostovich,

This study aimed to assess the microbiological quality of natural mineral waters commercialized in 20 L returnable packs in Brazil by investigating the presence of bacteria and viruses in packs with different manufacturing times (Tm). With this purpose, 99 water samples from 33 lots (n = 3/batch) of 15 brands, obtained from packs ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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Gut microbiome adaptation to extreme cold winter in wild plateau pika (Ochotona curzoniae) on the Qinghai-Tibet Plateau.

Yijie Wang, Rui Zhou, Qiaoling Yu, Tianshu Feng, Huan Li,

The Qinghai-Tibet Plateau is a harsh environment characterized by low temperature, high altitude and hypoxia, although some native mammals may adapt well to the extreme climate. However, how animal gut microbial community structure and function adapt to extreme cold climates is not well understood. Plateau pika (Ochotona curzoniae) is an ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(16):]

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Prevalence, antibiotic susceptibility and characterization of Vibrio parahaemolyticus isolates in China.

Tengfei Xie, Quan Yu, Xiong Tang, Jing Zhao, Xujun He,

Vibrio parahaemolyticus is a marine and estuarine bacterium that poses a major threat to human health worldwide. In this study, from 2017 to 2019, we evaluated 900 food samples collected from China in 2017, with the aim of determining the incidence and features of V. parahaemolyticus in ready-to-eat (RTE) foods, ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(16):]

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Membrane transporters in the bioproduction of organic acids: state of the art and future perspectives for industrial applications.

I Soares-Silva, D Ribas, M Sousa-Silva, J Azevedo-Silva, T Rendulić, M Casal,

Organic acids such as monocarboxylic acids, dicarboxylic acids or even more complex molecules such as sugar acids, have displayed great applicability in the industry as these compounds are used as platform chemicals for polymer, food, agricultural and pharmaceutical sectors. Chemical synthesis of these compounds from petroleum derivatives is currently their ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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The HlyD-like membrane fusion protein All5304 is essential for acid stress survival of the filamentous cyanobacterium Anabaena sp. PCC 7120.

Dmitry Shvarev, Iris Maldener,

Acid stress is an environmental problem for plants and fresh water cyanobacteria like the filamentous, heterocyst forming species Anabaena sp. PCC 7120 (hereafter Anabaena sp.). Heterocyst differentiation, cell-cell communication and nitrogen fixation has been deeply studied in this model organism, but little is known about the cellular response of Anabaena ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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The biosurfactants iturin, lichenysin and surfactin, from vaginally isolated lactobacilli, prevent biofilm formation by pathogenic Candida.

Jakline Nelson, Ahmed O El-Gendy, Moselhy S Mansy, Mohamed A Ramadan, Ramy K Aziz,

Lactic acid bacteria (LAB), particularly lactobacilli, are major components of the vaginal microbiota. Lactobacilli are facultative anaerobes forming a critical line of defense against pathogenic microorganisms, including those forming biofilms, such as Candida spp. This study aimed to investigate the anti-adhesion capabilities of vaginal Lactobacillus isolates against biofilms formed by ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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Archaea join the conversation: detection of AHL-like activity across a range of archaeal isolates.

James Charlesworth, Onder Kimyon, Michael Manefield, Charlotte J Beloe, Brendan P Burns,

Quorum sensing is a mechanism of genetic control allowing single cell organisms to coordinate phenotypic response(s) across a local population and is often critical for ecosystem function. Although quorum sensing has been extensively studied in bacteria comparatively less is known about this mechanism in Archaea. Given the growing significance of ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(16):]

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The recruitment of bacterial communities by the plant root system changed by acid mine drainage pollution in soils.

Yang Li, Liang Yuan, Sheng Xue, Bingjun Liu, Gang Jin,

This study aims to better understand the relationship between the response to acid mine drainage (AMD) stress of tolerant plants and changes in root-related bacterial communities. In this study, reed stems were planted in AMD-polluted and unpolluted soils, and high-throughput sequencing was conducted to analyze the bacterial community composition in ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2020, 367(15):]

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