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FEMS Microbiology Letters

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https://www.readbyqxmd.com/read/28204472/an-uncharacterized-gene-coding-a-conserved-lytic-transglycosylase-domain-rl4716-is-required-for-proper-cell-envelope-function-in-rhizobium-leguminosarum
#1
Kara D Neudorf, Christopher K Yost
No abstract text is available yet for this article.
February 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28204471/an-agarase-of-glycoside-hydrolase-family-16-from-marine-bacterium-aquimarina-agarilytica-zc1
#2
Bokun Lin, Yan Liu, Guoyong Lu, Min Zhao, Zhong Hu
No abstract text is available yet for this article.
February 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28201685/erysipelothrix-rhusiopathiae-recruit-host-plasminogen-via-the-major-protective-antigen-spaa
#3
Zhu Weifeng, Ya Wang, Chengzhi Cai, Jingtao Li, Wu Chao, Meilin Jin
No abstract text is available yet for this article.
February 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28175311/a-review-of-microbiology-service-learning
#4
Ginny Webb
No abstract text is available yet for this article.
February 8, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28175292/efflux-inhibitor-suppresses-streptococcus-mutans-virulence-properties
#5
Huihui Zeng, Jia Liu, Junqi Ling
No abstract text is available yet for this article.
February 8, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28175288/a-rapid-nmr-based-method-for-discrimination-of-strain-specific-cell-wall-teichoic-acid-structures-reveals-a-third-backbone-type-in-lactobacillus-plantarum
#6
Satoru Tomita, Naoto Tanaka, Sanae Okada
No abstract text is available yet for this article.
February 8, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28158748/biological-activity-of-diaporthe-terebinthifolii-extracts-against-phyllosticta-citricarpa
#7
Fabiana Tonial, Beatriz H L N S Maia, Andrea M Sobottka, Daiani C Savi, Vânia A Vicente, Renata R Gomes, Chirlei Glienke
No abstract text is available yet for this article.
February 3, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28158695/biofilm-formation-by-paracoccus-denitrificans-requires-a-type-i-secretion-system-dependent-adhesin-bapa
#8
Keitaro Yoshida, Masanori Toyofuku, Nozomu Obana, Nobuhiko Nomura
No abstract text is available yet for this article.
February 2, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28158630/the-use-of-writing-assignments-to-help-students-synthesize-content-in-upper-level-undergraduate-biology-courses
#9
Rebecca L Sparks-Thissen
No abstract text is available yet for this article.
February 2, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28158557/effects-of-deletion-of-the-receptor-crla-on-dictyostelium-aggregation-and-mpbd-mediated-responses-are-strain-dependent-and-not-evident-in-strain-ax2
#10
Takaaki B Narita, Pauline Schaap, Tamao Saito
No abstract text is available yet for this article.
February 2, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28158432/enrichment-of-sulfidogenic-bacteria-from-the-human-intestinal-tract
#11
Yuan Feng, Alfons J M Stams, Willem M de Vos, Irene Sánchez-Andrea
No abstract text is available yet for this article.
February 2, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130371/microbial-succession-in-biofilms-growing-on-artificial-substratum-in-subtropical-freshwater-aquaculture-ponds
#12
Zhifei Li, Jianfeng Che, Jun Xie, Guangjun Wang, Ermeng Yu, Yun Xia, Deguang Yu, Kai Zhang
Biofilms can be used to improve the water quality in aquaculture ponds, and elucidating the process of microbial succession in biofilms would allow characterization of metabolic processes and permit optimization. In the present study, microbial succession of a biofilm growing on artificial substrata in a subtropical freshwater pond was investigated by high-throughput sequencing. Providing artificial substrata effectively reduced the concentrations of total nitrogen (TN) and total phosphorus (TP) in the pond...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130370/biological-activity-of-the-azlactone-derivative-epa-35-against-trypanosoma-cruzi
#13
Camila Maria Oliveira de Azeredo, Eloah Pereira Ávila, Danielle Lobo Justo Pinheiro, Giovanni Wilson Amarante, Maurilio José Soares
Chagas disease, caused by Trypanosoma cruzi, affects 6-7 million people worldwide. Treatment is based on benznidazole, producing several side effects and debatable efficacy, highlighting the need for new alternative drugs. We investigated the activity of four C-4 functionalized azlactone derivatives (EPA-27, EPA-35, EPA-63 and EPA-91) as potential T. cruzi inhibitors. Screening with epimastigotes indicated EPA-35 as the best compound (IC50/24h: 33 μM). This compound was 14.1 times more potent against intracellular amastigotes (IC50/24h: 2...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130369/complex-carbohydrates-reduce-the-frequency-of-antagonistic-interactions-among-bacteria-degrading-cellulose-and-xylan
#14
Yi-Jie Deng, Shiao Y Wang
Bacterial competition for resources is common in nature but positive interactions among bacteria are also evident. We speculate that the structural complexity of substrate might play a role in mediating bacterial interactions. We tested the hypothesis that the frequency of antagonistic interactions among lignocellulolytic bacteria is reduced when complex polysaccharide is the main carbon source compared to when a simple sugar such as glucose is available. Results using all possible pairwise interactions among 35 bacteria isolated from salt marsh detritus showed that the frequency of antagonistic interactions was significantly lower on carboxymethyl cellulose (CMC)-xylan medium (7...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130368/commentary-on-goodacre-r-timmins-%C3%A3-m-rooney-pj-rowland-jj-kell-db-rapid-identification-of-streptococcus-and-enterococcus-species-using-diffuse-reflectance-absorbance-fourier-transform-infrared-spectroscopy-and-artificial-neural-networks-fems-microbiol-lett
#15
Royston Goodacre, Douglas B Kell
This is an invited review/commentary by the first and last authors of a paper that was the most cited in FEMS Microbiology Letters for 1996, presently showing in excess of 150 citations at Web of Science, and over 200 at Google Scholar. It was the first paper in which diffuse-reflectance-absorbance FT-IR spectroscopy was used with a supervised learning method in the form of artificial neural networks, and showed that this combination could succeed in discriminating a series of closely related, clinically relevant, Gram-positive bacterial strains...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130367/characterization-of-the-regulatory-function-of-the-h-ns-protein-in-the-benthic-bacterium-shewanella-piezotolerans-wp3-under-cold-conditions
#16
Huahua Jian, Guanpeng Xu, Fengping Wang, Xiang Xiao
The histone-like nucleoid structuring (H-NS) protein is conserved in gram-negative bacteria and plays important roles as a multifunctional bacterial modulator. However, its roles in deep-sea microorganisms warrant investigation. In this study, the relationship between temperature and the regulatory function of H-NS was characterized in the benthic bacterium Shewanella piezotolerans WP3. Comparative microarray analysis of the hns knock-out mutant and wild-type strain identified a total of 264 differentially expressed genes at 4°C, which is significantly less than that at 20°C...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130366/analysis-of-uracil-phosphoribosyltransferase-expression-in-mycobacterium-tuberculosis-and-evaluation-of-upp-knockout-strain-in-infected-mice
#17
Anne Drumond Villela, Ha Pham, Victoria Jones, Anna E Grzegorzewicz, Valnês da Silva Rodrigues-Junior, Maria Martha Campos, Luiz Augusto Basso, Mary Jackson, Diógenes Santiago Santos
The upp (Rv3309c)-encoded uracil phosphoribosyltransferase from Mycobacterium tuberculosis (MtUPRT) converts uracil and 5-phosphoribosyl-α-1-pyrophosphate into pyrophosphate and uridine 5'-monophosphate, the precursor of all pyrimidine nucleotides. A M. tuberculosis knockout strain for upp gene was generated by allelic replacement. Knockout and complemented strains were validated by a functional assay of uracil incorporation. A basal level of MtUPRT expression is shown to be independent of either growth medium used, addition of bases, or oxygen presence/absence...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130365/polyphasic-characterization-of-the-thermotolerant-cyanobacterium-desertifilum-sp-strain-ippas-b-1220
#18
Maria A Sinetova, Kenzhegul Bolatkhan, Roman A Sidorov, Kirill S Mironov, Alexandra N Skrypnik, Elena V Kupriyanova, Bolatkhan K Zayadan, Maria Shumskaya, Dmitry A Los
A cyanobacterial strain from freshwater Lake Shar-Nuur (Mongolia) was isolated and characterized by a polyphasic approach. According to the 16S ribosomal RNA gene sequence, this strain (IPPAS B-1220) belongs to a newly described genus Desertifilum In general, strains of Desertifilum maintain their genetic stability, as seen from analysis of 16S rRNA gene and 16S-23S rRNA internal transcribed spacer sequences from strains collected at distant locations. The newly discovered strain is characterized by an outstanding fatty acid composition (16:1(Δ7) and 16:2(Δ7,10))...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28130364/diverse-effects-of-mycobacterial-ppe-proteins-upon-interaction-with-host-macrophages
#19
Lu Meng, Jingfeng Tong, Qinglan Wang, Chen Niu, Qian Gao
The proline-proline-glutamic acid (PPE) family proteins are abundant only in pathogenic Mycobacteria, but their general functions are far from unveiled. To investigate their roles in how Mycobacterium tuberculosis (Mtb) resists killing by the host, 25 PPE recombinant Mycobacterium smegmatis strains that overexpress Mtb PPE proteins were constructed. During phagocytosis, a similar amount of intracellular bacteria was observed at two hours post-infection (hpi) for 24 PPE recombinants, while a 50% reduction of entrance was observed for the PPE29 recombinant...
January 26, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28119372/antibiotic-exposure-and-bacterial-resistance-in-human-and-veterinary-medicine-a-problem-based-learning-topic-for-master-s-students
#20
Matthieu Eveillard, Hervé Pouliquen, Nathalie Ruvoen, Sébastien Couvreur, Michel Krempf, Catherine Magras, Didier Lepelletier
This report describes a problem-based learning activity concerning antibiotic exposure and bacterial resistance in human and veterinary medicine. In addition, learning outcomes and satisfaction of students were recorded by the supervisors of the activity. The students all participated actively to the group work and considered that the small size of the group facilitated interpersonal communication. They believed that working in an interdisciplinary group helped them for learning better than by following specific courses...
January 24, 2017: FEMS Microbiology Letters
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