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Systematic and Applied Microbiology

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https://www.readbyqxmd.com/read/28890241/manual-and-expert-annotation-of-the-nearly-complete-genome-sequence-of-staphylococcus-sciuri-strain-atcc-29059-a-reference-for-the-oxidase-positive-staphylococci-that-supports-the-atypical-phenotypic-features-of-the-species-group
#1
Eugene Christo-Foroux, Tatiana Vallaeys, Valentin Loux, Elie Dassa, Josef Deutscher, Cécile Wandersman, Aurélien Livernois, Chloe Hot, Alexis Criscuolo, Catherine Dauga, Dominique Clermont, Olivier Chesneau
Staphylococcus sciuri is considered to be one of the most ancestral species in the natural history of the Staphylococcus genus that consists of 48 validly described species. It belongs to the basal group of oxidase-positive and novobiocin-resistant staphylococci that diverged from macrococci approximately 250 million years ago. Contrary to other groups, the S. sciuri species group has not developed host-specific colonization strategies. Genome analysis of S. sciuri ATCC 29059 provides here the first genetic basis for atypical traits that would support the switch between the free-living style and the infective state in animals and humans...
August 24, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28869059/soybeans-inoculated-with-root-zone-soils-of-canadian-native-legumes-harbour-diverse-and-novel-bradyrhizobium-spp-that-possess-agricultural-potential
#2
Eden S P Bromfield, Sylvie Cloutier, James T Tambong, Thu Van Tran Thi
An assessment was made of the evolutionary relationships of soybean nodulating bacteria associated with legumes native to eastern Canada to identify potential new sources of soybean inoculant strains. Short season soybeans were used to selectively trap bacteria from root zone soils of four native legume species. Screening of more than 800 bacterial isolates from soybean root nodules by analysis of recA gene sequences followed by analyses of selected genotypes using six core and two symbiosis (nodC and nifH) gene sequences permitted identification of diverse taxa that included eight novel and four named Bradyrhizobium species as well as lineages attributed to the genera Afipia and Tardiphaga...
August 18, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28869058/enrichment-and-physiological-characterization-of-an-anaerobic-ammonium-oxidizing-bacterium-candidatus-brocadia-sapporoensis
#3
Yuko Narita, Lei Zhang, Zen-Ichiro Kimura, Muhammad Ali, Takao Fujii, Satoshi Okabe
We successfully enriched a novel anaerobic ammonium-oxidizing (anammox) bacterium affiliated with the genus 'Candidatus Brocadia' with high purity (>90%) in a membrane bioreactor (MBR). The enriched bacterium was distantly related to the hitherto characterized 'Ca. Brocadia fulgida' and 'Ca. Brocadia sinica' with 96% and 93% of 16S ribosomal RNA gene sequence identity, respectively. The bacterium exhibited the common structural features of anammox bacteria and produced hydrazine in the presence of hydroxylamine under anoxic conditions...
August 18, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28855059/molecular-signature-analyses-support-the-establishment-of-the-actinobacterial-genus-sphaerimonospora-mingma-et-al-2016
#4
Paul R Meyers
The genera Microbispora and Sphaerimonospora were examined for GyrB and RecA amino-acid signatures to determine whether molecular-signature analyses support the recent establishment of the genus Sphaerimonospora. The creation of Sphaerimonospora was based mainly upon morphological differences between Microbispora and Sphaerimonospora and the clustering of the type strains of the two genera in phylogenetic trees based on a multilocus sequence analysis. The molecular-signature analyses showed that all members of Sphaerimonospora can be distinguished from all members of Microbispora at 14 amino acid positions in the GyrB protein and at four positions in the shorter RecA protein...
August 18, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28882448/paenibacillus-ihbetae-sp-nov-a-cold-adapted-antimicrobial-producing-bacterium-isolated-from-high-altitude-suraj-tal-lake-in-the-indian-trans-himalayas
#5
Shashi Kiran, Mohit Kumar Swarnkar, Shanmugam Mayilraj, Rupinder Tewari, Arvind Gulati
The assessment of bacterial diversity and bioprospection of the high-altitude lake Suraj Tal microorganisms for potent antimicrobial activities revealed the presence of two Gram-stain-variable, endospore-forming, rod-shaped, aerobic bacteria, namely IHBB 9852(T) and IHBB 9951. Phylogenetic analysis based on 16S rRNA gene sequence showed the affiliation of strains IHBB 9852(T) and IHBB 9951 within the genus Paenibacillus, exhibiting the highest sequence similarity to Paenibacillus lactis DSM 15596(T) (97.8% and 97...
August 16, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28802744/remediation-of-thiothrix-spp-associated-bulking-problems-by-raw-wastewater-feeding-a-full-scale-experience
#6
Cristobal A Onetto, Kathryn L Eales, Paul R Grbin
An industrial wastewater treatment plant (WWTP) in Australia has long suffered from bulking problems associated with the proliferation of Thiothrix spp. The WWTP consists of a covered anaerobic lagoon (CAL) followed by a sequencing batch reactor (SBR). The CAL functions as both an anaerobic digester and surge lagoon for the irregular flow of wastewater generated from the production of seasonal products. Chemical analysis of the raw influent showed it was composed of a mixture of organic acids, phenols and alcohols...
July 27, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28802743/tungsten-accumulation-by-highly-tolerant-marine-hydrothermal-sulfitobacter-dubius-strains-carrying-a-tupbca-cluster
#7
Carina Coimbra, Pedro Farias, Rita Branco, Paula V Morais
Tungsten (W) has industrial and economic importance, and is in the European Union list of metals with a high supply risk. It is used by living organisms, which transport it into the cell, in the form of tungstate ion (WO4(2-)), using three different ABC-type transporters from the specific W-uptake system coded by tupABC gene cluster. In this study, strains from a collection recovered from deep-sea hydrothermal sediments were selected according to their ability to tolerate metals and to possess the tup genetic determinants...
July 19, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28781100/molecular-characterization-of-novel-bradyrhizobium-strains-nodulating-eriosema-chinense-and-flemingia-vestita-important-unexplored-native-legumes-of-the-sub-himalayan-region-meghalaya-of-india
#8
Archana Ojha, Nisha Tak, Sonam Rathi, Bhawana Chouhan, Satyawada Rama Rao, Saroj K Barik, Santa R Joshi, Janet S Sprent, Euan K James, Hukam S Gehlot
Root nodule bacterial strains were isolated from the little-studied legumes Eriosema chinense and Flemingia vestita (both in tribe Phaseoleae, Papilionoideae) growing in acidic soil of the sub-Himalayan region of the Indian state of Meghalaya (ME), and were identified as novel strains of Bradyrhizobium on the basis of their 16S rRNA sequences. Seven isolates selected on the basis of phenotypic characters and assessment of ARDRA and RAPD patterns were subjected to multilocus sequence analysis (MLSA) using four protein-coding housekeeping genes (glnII, recA, dnaK and gyrB)...
July 19, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28760568/bacteria-and-me-cell-walls-classification-phylogeny-and-the-hidden-microbes
#9
EDITORIAL
Karl-Heinz Schleifer
No abstract text is available yet for this article.
July 13, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28690052/lebetimonas-natsushimae-sp-nov-a-novel-strictly-anaerobic-moderately-thermophilic-chemoautotroph-isolated-from-a-deep-sea-hydrothermal-vent-polychaete-nest-in-the-mid-okinawa-trough
#10
Ryousuke Nagata, Yoshihiro Takaki, Akihiro Tame, Takuro Nunoura, Hisashi Muto, Sayaka Mino, Shigeki Sawayama, Ken Takai, Satoshi Nakagawa
A moderately thermophilic, strictly anaerobic, chemoautotrophic bacterium, designated strain HS1857(T), was isolated from a deep-sea hydrothermal vent at the Noho site in the Mid-Okinawa Trough. Strain HS1857(T) grew between 35 and 63°C (optimum 55°C), in the presence of 10-55gl(-1) NaCl (optimum 25gl(-1)), and pH 5.5-7.1 (optimum 6.4). Growth occurred with molecular hydrogen as the electron donor and elemental sulfur, nitrate, or selenate as the electron acceptors. Formate could serve as an alternative electron donor with nitrate as an electron acceptor...
July 4, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28711161/role-of-fatty-acids-in-cold-adaptation-of-antarctic-psychrophilic-flavobacterium-spp
#11
Stanislava Králová
Cold-loving microorganisms developed numerous adaptation mechanisms allowing them to survive in extremely cold habitats, such as adaptation of the cell membrane. The focus of this study was on the membrane fatty acids of Antarctic Flavobacterium spp., and their adaptation response to cold-stress. Fatty acids and cold-response of Antarctic flavobacteria was also compared to mesophilic and thermophilic members of the genus Flavobacterium. The results showed that the psychrophiles produced more types of major fatty acids than meso- and thermophilic members of this genus, namely C15:1 iso G, C15:0 iso, C15:0 anteiso, C15:1ω6c, C15:0 iso 3OH, C17:1ω6c, C16:0 iso 3OH and C17:0 iso 3OH, summed features 3 (C16:1ω7cand/or C16:1ω6c) and 9 (C16:0 10-methyl and/or C17:1 iso ω9c)...
July 3, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28705596/isolation-and-characterization-of-aerobic-anoxygenic-phototrophs-from-exposed-soils-from-the-s%C3%A3-r-rondane-mountains-east-antarctica
#12
Guillaume Tahon, Anne Willems
This study investigated the culturable aerobic phototrophic bacteria present in soil samples collected in the proximity of the Belgian Princess Elisabeth Station in the Sør Rondane Mountains, East Antarctica. Until recently, only oxygenic phototrophic bacteria (Cyanobacteria) were well known from Antarctic soils. However, more recent non-cultivation-based studies have demonstrated the presence of anoxygenic phototrophs and, particularly, aerobic anoxygenic phototrophic bacteria in these areas. Approximately 1000 isolates obtained after prolonged incubation under different growth conditions were studied and characterized by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry...
June 27, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28648725/thaumasiovibrio-occultus-gen-nov-sp-nov-and-thaumasiovibrio-subtropicus-sp-nov-within-the-family-vibrionaceae-isolated-from-coral-reef-seawater-off-ishigaki-island-japan
#13
A K M Rohul Amin, Mami Tanaka, Nurhidayu Al-Saari, Gao Feng, Sayaka Mino, Yoshitoshi Ogura, Tetsuya Hayashi, Pedro M Meirelles, Fabiano L Thompson, Bruno Gomez-Gil, Toko Sawabe, Tomoo Sawabe
Two phylogenetically distinct Vibrionaceae strains C4II189(T) and C4V358(T) isolated from reef seawater off Ishigaki Island, Japan, in 2014 were studied with advanced genome-based taxonomy approaches. All aspects of phylogenetic (16S rRNA phylogeny, MLSA), phenotypic and genetic (ANI, DDH, AAI, and the number of core genes) cohesions between the two identified species were high enough to propose them as members of a new genus within the family Vibrionaceae. Consequently, an eighth genus Thaumasiovibrio gen...
July 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28648724/nitrogen-fixing-rhizobial-strains-isolated-from-desmodium-incanum-dc-in-argentina-phylogeny-biodiversity-and-symbiotic-ability
#14
María Antonieta Toniutti, Laura Viviana Fornasero, Francisco Javier Albicoro, María Carla Martini, Walter Draghi, Florencia Alvarez, Antonio Lagares, José Francisco Pensiero, María Florencia Del Papa
Desmodium spp. are leguminous plants belonging to the tribe Desmodieae of the subfamily Papilionoideae. They are widely distributed in temperated and subtropical regions and are used as forage plants, for biological control, and in traditional folk medicine. The genus includes pioneer species that resist the xerothermic environment and grow in arid, barren sites. Desmodium species that form nitrogen-fixing symbiosis with rhizobia play an important role in sustainable agriculture. In Argentina, 23 native species of this genus have been found, including Desmodium incanum...
July 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28648723/a-protocol-for-the-simultaneous-identification-of-chitin-containing-particles-and-their-associated-bacteria
#15
Florencia Biancalana, Germán A Kopprio, Rubén J Lara, Cecilia Alonso
Chitin is the second most abundant polymer on Earth, playing a crucial role in the biogeochemical cycles. A core issue for studying its processing in aquatic systems is the identification and enumeration of chitin-containing particles and organisms, ideally in a manner that can be directly linked to bulk chitin quantification. The aim of this study was the development of such a technique. We successfully combined the methodology of bulk chitin determination using wheat germ agglutinin (FITC-WGA) for staining chitin-containing particles and organisms along with CARD-FISH staining of either chitin-containing eukaryotic cells or bacteria associated with them...
July 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28647304/phylogenies-of-symbiotic-genes-of-bradyrhizobium-symbionts-of-legumes-of-economic-and-environmental-importance-in-brazil-support-the-definition-of-the-new-symbiovars-pachyrhizi-and-sojae
#16
Jakeline Renata Marçon Delamuta, Pâmela Menna, Renan Augusto Ribeiro, Mariangela Hungria
Bradyrhizobium comprises most tropical symbiotic nitrogen-fixing strains, but the correlation between symbiotic and core genes with host specificity is still unclear. In this study, the phylogenies of the nodY/K and nifH genes of 45 Bradyrhizobium strains isolated from legumes of economic and environmental importance in Brazil (Arachis hypogaea, Acacia auriculiformis, Glycine max, Lespedeza striata, Lupinus albus, Stylosanthes sp. and Vigna unguiculata) were compared to 16S rRNA gene phylogeny and genetic diversity by rep-PCR...
July 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28645701/effect-of-phosphate-solubilizing-bacteria-on-phosphorus-dynamics-and-the-bacterial-community-during-composting-of-sugarcane-industry-waste
#17
German A Estrada-Bonilla, Cintia M Lopes, Ademir Durrer, Paulo R L Alves, Nicolle Passaglia, Elke J B N Cardoso
Sugarcane processing generates a large quantity of residues, such as filter cake and ashes, which are sometimes composted prior to their amendment in soil. However, important issues still have to be addressed on this subject, such as the description of bacterial succession that occurs throughout the composting process and the possibilities of using phosphate-solubilizing bacteria (PSB) during the process to improve phosphorus (P) availability in the compost end product. Consequently, this study evaluated the bacterial diversity and P dynamics during the composting process when inoculated with Pseudomonas aeruginosa PSBR12 and Bacillus sp...
July 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28625721/kiloniella-majae-sp-nov-isolated-from-spider-crab-maja-brachydactyla-and-pullet-carpet-shell-clam-venerupis-pullastra
#18
Diego Gerpe, Noemí Buján, Ana L Diéguez, Aide Lasa, Jesús L Romalde
Ten Gram-negative, rod-shaped and motile bacterial strains were isolated from spider crab (M27.10, M27.11a, F36.1, F36.4, M56.1, F76.17b, M146.1, M166.3 and M166.6) and pullet carpet shell clam (SBRF 1.10) collected in the coast of Galicia. Analyses of the 16S rRNA genes showed that the strains belong to the genus Kiloniella and have high similarity with the species Kiloniella spongiae (99.44-99.86%) and Kiloniella litopenaei (99.0-99.5%). Strains M56.1(T) (=CECT 9195, =LMG 29925), M146.1 (=CECT 9193, =LMG 29926) and SBRF 1...
July 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28622795/desulfamplus-magnetovallimortis-gen-nov-sp-nov-a-magnetotactic-bacterium-from-a-brackish-desert-spring-able-to-biomineralize-greigite-and-magnetite-that-represents-a-novel-lineage-in-the-desulfobacteraceae
#19
Elodie C T Descamps, Caroline L Monteil, Nicolas Menguy, Nicolas Ginet, David Pignol, Dennis A Bazylinski, Christopher T Lefèvre
A magnetotactic bacterium, designated strain BW-1(T), was isolated from a brackish spring in Death Valley National Park (California, USA) and cultivated in axenic culture. The Gram-negative cells of strain BW-1(T) are relatively large and rod-shaped and possess a single polar flagellum (monotrichous). This strain is the first magnetotactic bacterium isolated in axenic culture capable of producing greigite and/or magnetite nanocrystals aligned in one or more chains per cell. Strain BW-1(T) is an obligate anaerobe that grows chemoorganoheterotrophically while reducing sulfate as a terminal electron acceptor...
July 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28552245/pseudomonas-caspiana-sp-nov-a-citrus-pathogen-in-the-pseudomonas-syringae-phylogenetic-group
#20
Antonio Busquets, Margarita Gomila, Farid Beiki, Magdalena Mulet, Heshmat Rahimian, Elena García-Valdés, Jorge Lalucat
In a screening by multilocus sequence analysis of Pseudomonas strains isolated from diverse origins, 4 phylogenetically closely related strains (FBF58, FBF102(T), FBF103, and FBF122) formed a well-defined cluster in the Pseudomonas syringae phylogenetic group. The strains were isolated from citrus orchards in northern Iran with disease symptoms in the leaves and stems and its pathogenicity against citrus plants was demonstrated. The whole genome of the type strain of the proposed new species (FBF102(T)=CECT 9164(T)=CCUG 69273(T)) was sequenced and characterized...
July 2017: Systematic and Applied Microbiology
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