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Antonie Van Leeuwenhoek

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https://www.readbyqxmd.com/read/29353462/lactobacillus-kosoi-sp-nov-a-fructophilic-species-isolated-from-k%C3%A3-so-a-japanese-sugar-vegetable-fermented-beverage
#1
Tai-Ying Chiou, Wataru Suda, Kenshiro Oshima, Masahira Hattori, Chiaki Matsuzaki, Kenji Yamamoto, Tomoya Takahashi
A novel Gram-positive, fructophilic, catalase negative, and rod-shaped strain, designated strain 10HT was isolated from kôso, a Japanese sugar-vegetable fermented beverage obtained from a food processing factory in Saku City, Nagano Prefecture, Japan. Phylogenetic analysis based on 16S rRNA gene sequences revealed strain 10HT to belong to the genus Lactobacillus, with closely related type strains being Lactobacillus kunkeei YH-15T (95.5% sequence similarity), Lactobacillus ozensis Mizu2-1T (95.4% sequence similarity), and Lactobacillus apinorum Fhon13NT (95...
January 20, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29350358/streptomyces-ach-505-triggers-production-of-a-salicylic-acid-analogue-in-the-fungal-pathogen-heterobasidion-abietinum-that-enhances-infection-of-norway-spruce-seedlings
#2
Nadine Keilhofer, Jonny Nachtigall, Andreas Kulik, Margret Ecke, Rüdiger Hampp, Roderich D Süssmuth, Hans-Peter Fiedler, Silvia D Schrey
The necrotrophic fungus Heterobasidion spp. is the causal agent of 'annosum root rot' of Norway spruce. In the presence of the rhizosphere bacterium Streptomyces AcH 505, enhanced colonization of Norway spruce roots with Heterobasidion abietinum 331 has previously been observed. By analyzing dual cultures of H. abietinum 331 and Streptomyces AcH 505 with HPLC, a fungal metabolite was identified that was increased in the presence of Streptomyces AcH 505. Likewise, challenge of H. abietum 331 with common antifungals produced by soil streptomycetes rendered the same effect...
January 19, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29349565/description-of-alteromonas-abrolhosensis-sp-nov-isolated-from-sea-water-of-abrolhos-bank-brazil
#3
Maria S Nóbrega, Bruno S Silva, Luciana Leomil, Diogo Antonio Tschoeke, Mariana E Campeão, Gizele D Garcia, Graciela A Dias, Verônica V Vieira, Cristiane C Thompson, Fabiano L Thompson
Two Gram-negative, motile, aerobic bacteria isolated from waters of the Abrolhos Bank were classified through a whole genome-based taxonomy. Strains PEL67ET and PEL68C shared 99% 16S rRNA and dnaK sequence identity with Alteromonas marina SW-47T and Alteromonas macleodii ATCC 27126T. In silico DNA-DNA Hybridization, i.e. genome-to-genome distance (GGD), average amino acid identity (AAI) and average nucleotide identity (ANI) showed that PEL67ET and PEL68C had identity values between 33-36, 86-88 and 83-84%, and 85-86 and 83%, respectively, towards their close neighbors A...
January 18, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29340947/the-impact-of-depuration-on-mussel-hepatopancreas-bacteriome-composition-and-predicted-metagenome
#4
J A Rubiolo, A Lozano-Leon, R Rodriguez-Souto, N Fol Rodríguez, M R Vieytes, L M Botana
Due to the rapid elimination of bacteria through normal behaviour of filter feeding and excretion, the decontamination of hazardous contaminating bacteria from shellfish is performed by depuration. This process, under conditions that maximize shellfish filtering activity, is a useful method to eliminate microorganisms from bivalves. The microbiota composition in bivalves reflects that of the environment of harvesting waters, so quite different bacteriomes would be expected in shellfish collected in different locations...
January 17, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29335919/inter-and-intracellular-colonization-of-arabidopsis-roots-by-endophytic-actinobacteria-and-the-impact-of-plant-hormones-on-their-antimicrobial-activity
#5
Anne van der Meij, Joost Willemse, Martinus A Schneijderberg, René Geurts, Jos M Raaijmakers, Gilles P van Wezel
Many actinobacteria live in close association with eukaryotes such as fungi, insects, animals and plants. Plant-associated actinobacteria display (endo)symbiotic, saprophytic or pathogenic life styles, and can make up a substantial part of the endophytic community. Here, we characterised endophytic actinobacteria isolated from root tissue of Arabidopsis thaliana (Arabidopsis) plants grown in soil from a natural ecosystem. Many of these actinobacteria belong to the family of Streptomycetaceae with Streptomyces olivochromogenes and Streptomyces clavifer as well represented species...
January 15, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29327333/streptomyces-flavalbus-sp-nov-an-actinobacterium-isolated-from-rhizosphere-of-maize-zea-mays-l
#6
Tingting Cao, Yibo Shen, Junwei Zhao, Chongxi Liu, Xueli Zhao, Liying Jin, Yanjie Li, Xiangjing Wang, Wensheng Xiang
A novel actinobacterium, designated strain NEAU-QY24T, was isolated from the rhizosphere of corn (Zea mays L.). A polyphasic approach was employed to determine the taxonomic status of strain NEAU-QY24T. The isolate was found to have chemical and morphological properties of the genus Streptomyces, with high 16S rRNA gene sequence similarity to Streptomyces lanatus JCM 4332T (98.3%) and clustered phylogenetically with Streptomyces lannensis JCM 16578T (98.2%). The cell wall was found to contain meso-diaminopimelic acid and the whole cell sugars were identified as glucose and ribose...
January 11, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29307013/the-coronafacoyl-phytotoxins-structure-biosynthesis-regulation-and-biological-activities
#7
Dawn R D Bignell, Zhenlong Cheng, Luke Bown
Phytotoxins are secondary metabolites that contribute to the development and/or severity of diseases caused by various plant pathogenic microorganisms. The coronafacoyl phytotoxins are an important family of plant toxins that are known or suspected to be produced by several phylogenetically distinct plant pathogenic bacteria, including the gammaproteobacterium Pseudomonas syringae and the actinobacterium Streptomyces scabies. At least seven different family members have been identified, of which coronatine was the first to be described and is the best-characterized...
January 6, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29299772/nonomuraea-lycopersici-sp-nov-isolated-from-the-root-of-tomato-plants-solanum-lycopersicum-l
#8
Weiwei Zheng, Junwei Zhao, Dongmei Li, Hao Jiang, Liyuan Han, Xueli Zhao, Yufei Chen, Xiangjing Wang, Wensheng Xiang
Two novel bacterial strains were isolated from the roots of tomato plants (Solanum lycopersicum L.) from Dengfeng, Henan Province, China. Phylogenetic analysis of 16S rRNA gene sequences showed that the isolates NEAU-DE8(1)T and NEAU-HE1(2) are closely related to one another (99.6% similarity) and are closely relate to Nonomuraea zeae NEAU-ND5T (98.3, 98.3%) and Nonomuraea gerenzanensis DSM 100948T (98.3, 98.0%). Phylogenetic trees constructed based on 16S rRNA gene sequences revealed that both strains grouped with N...
January 3, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29299771/vibrio-coralliirubri-sp-nov-a-new-species-isolated-from-mucus-of-red-coral-corallium-rubrum-collected-at-procida-island-italy
#9
Annarita Poli, Ida Romano, Vincenza Mastascusa, Lorena Buono, Pierangelo Orlando, Barbara Nicolaus, Luigi Leone, Kar Wai Hong, Kok-Gan Chan, Kian Mau Goh, Javier Pascual
Strain Corallo1T was isolated from mucus of red coral (Corallium rubrum) at Punta Pizzaco (Procida island, Naples, Italy). It was characterised as a Gram-stain negative, motile, rod-shaped bacterium. Strain Corallo1T was found to show positive responses for cytochrome-c oxidase, catalase, reduction of nitrate and nitrite, β-galactosidase activity and hydrolysis of starch, xylan, peptone, Tween 40, Tween 80 and casein. Strain Corallo1T was found to be mesophilic, neutrophilic to alkalophilic and slightly halophilic...
January 3, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29299770/a-role-for-the-endometrial-microbiome-in-dysfunctional-menstrual-bleeding
#10
Elise S Pelzer, Dana Willner, Melissa Buttini, Flavia Huygens
This study aimed to characterise the microbial community within the endometrial cavity and endocervix in women with menorrhagia or dysmenorrhea. Paired endocervical and endometrial biopsy samples were collected from women undergoing operative hysteroscopy and/or laparoscopy. Samples were cohorted based on pathology, indications for surgery, and histological dating of the endometrium. Samples were interrogated for the presence of microbial DNA using a two-step next generation sequencing technology approach to exploit the V5-V8 regions of the 16S rRNA gene...
January 3, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29289993/glycomyces-tritici-sp-nov-isolated-from-rhizosphere-soil-of-wheat-triticum-aestivum-l-and-emended-description-of-the-genus-glycomyces
#11
Wenchao Li, Chongxi Liu, Xiaowei Guo, Wei Song, Tianyu Sun, Liping Duan, Xiangjing Wang, Junwei Zhao, Wensheng Xiang
A novel actinomycete strain, designated NEAU-C2T, was isolated from rhizosphere soil of wheat (Triticum aestivum L.), and subjected to a polyphasic taxonomic study. Morphological and chemotaxonomic properties of this strain were consistent with the description of the genus Glycomyces. Growth was found to occur at a temperature range of 15-40 °C, pH 6-10 and NaCl concentrations of 0-4%. The cell wall was found to contain meso-diaminopimelic acid and the whole cell sugars were identified as galactose, xylose and ribose...
December 30, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29288361/genome-sequence-and-comparative-analysis-of-jiangella-alba-yim-61503t-isolated-from-a-medicinal-plant-maytenus-austroyunnanensis
#12
Jian-Yu Jiao, Nimaichand Salam, Lan Liu, Manik Prabhu Narsing Rao, Xiao-Tong Zhang, Bao-Zhu Fang, Ming-Xian Han, Zi-Tong Zhang, Jing Chen, Jiao Zhao, Yu Zhou, Dalal Hussien M Alkhalifah, Qing Liu, Min Xiao, Hans-Peter Klenk, Wen-Jun Li
A draft genome sequence of Jiangella alba YIM 61503T revealed a genome size of 7,664,864 bp arranged in 33 scaffolds. The genome was predicted to contain 7196 predicted genes, including 51 coding for RNA. Phylogenetic and comparative analyses of the draft genome of J. alba YIM 61503T with the available genomes of other Jiangella species suggested a proximal similarity between strains J. alba YIM 61503T and J. muralis DSM 45357T, while indicating a high divergence between J. gansuensis YIM 002T and other Jiangella species...
December 29, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29288360/higher-phylogenetic-diversity-prevents-loss-of-functional-diversity-caused-by-successive-drying-and-rewetting-cycles
#13
Laura Bononi, Rodrigo Gouvêa Taketani, Danilo Tosta Souza, Marta Alves Moitinho, Vanessa Nessner Kavamura, Itamar Soares Melo
Microbial communities regulate nutrient cycling in soil, thus the impact of climate change on the structure and function of these communities can cause an imbalance of nutrients in the environment. Structural and functional changes of soil bacterial communities in two contrasting biomes in Brazil, the Atlantic Forest and the Tropical Dry Forest (Caatinga), were studied by simulating, in microcosms, rainfall and drought events. Soil samples were collected in three Brazilian states: Bahia, Pernambuco and São Paulo, in a total of four sampling sites...
December 29, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29285661/correction-to-cupriavidus-malaysiensis-sp-nov-a-novel-poly-3-hydroxybutyrate-co-4-hydroxybutyrate-accumulating-bacterium-isolated-from-the-malaysian-environment
#14
Hema Ramachandran, Nur Asilla Hani Shafie, Kumar Sudesh, Mohamad Noor Azizan, Mohamad Isa Abdul Majid, Al-Ashraf Abdullah Amirul
In the original publication of the article, it was noted that Fig. 1 present an image of Cupriavidus malaysiensis strain USMAHM13 and not of strain USMAA1020, as indicated in the figure legend. The image in the original version is thus noted to serve as a record of strain USMAHM13 and the corrected version of Fig. 1 is reprinted below.
December 28, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29270767/mixed-cropping-regimes-promote-the-soil-fungal-community-under-zero-tillage
#15
L B Silvestro, F Biganzoli, S A Stenglein, H Forjan, L Manso, M V Moreno
Fungi of yield soils represent a significant portion of the microbial biomass and reflect sensitivity to changes in the ecosystem. Our hypothesis was that crops included in cropping regimes under the zero tillage system modify the structure of the soil fungi community. Conventional and molecular techniques provide complementary information for the analysis of diversity of fungal species and successful information to accept our hypothesis. The composition of the fungal community varied according to different crops included in the cropping regimes...
December 21, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29270766/characterisation-of-cronobacter-strains-isolated-from-hospitalised-adult-patients
#16
Veronika Kadlicekova, Michal Kajsik, Katarina Soltys, Tomas Szemes, Livia Slobodnikova, Lucia Janosikova, Zuzana Hubenakova, Pauline Ogrodzki, Stephen Forsythe, Jan Turna, Hana Drahovska
Bacteria belonging to the genus Cronobacter are opportunistic pathogens known for causing rare but serious infections in neonates, including meningitis, necrotising enterocolitis and sepsis. Cronobacter infections occur also in adult populations, however, they generally have milder manifestations and their prevalence is uncertain. In this study, the presence of Cronobacter strains from adult patients in the University Hospital in Bratislava was investigated and overall 18 confirmed isolates from 321 patients (5...
December 21, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29264791/multifactorial-mechanisms-of-the-pathogenesis-of-methicillin-resistant-staphylococcus-hominis-isolated-from-bloodstream-infections
#17
Ewa Szczuka, Sylwia Krzymińska, Natalia Bogucka, Adam Kaznowski
Staphylococcus hominis is a species of the coagulase-negative staphylococci. It has been designated as a potential pathogen but so far the pathogenic mechanisms of this bacterium have not been determined. We studied 30 clinical isolates of methicillin-resistant S. hominis, which were previously examined for biofilm forming properties. The results of this study revealed that all these S. hominis strains had the ability to adhere to HeLa cells. Over 40% of the S. hominis strains invaded epithelial cells. The invasion index ranged from 0 to 41...
December 20, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29256000/a-re-evaluation-of-tubakia-including-three-new-species-on-quercus-and-six-new-combinations
#18
T C Harrington, D L McNew
Morphological comparisons and phylogenetic analyses of Tubakia species from leaves of Quercus spp. in Iowa and other areas of eastern USA revealed three novel species: Tubakia hallii, Tubakia macnabbii, and Tubakia tiffanyae. These species, as well as Tubakia dryina and Tubakia iowensis, are common leaf endophytes and pathogens on Quercus and Castanea in eastern USA, as is Tubakia americana comb. nov, originally described from Quercus in New Jersey as Actinopelte americana. New combinations of species on leaves of other hosts in the eastern USA include Tubakia gloeosporioides, Tubakia liquidambaris, and Tubakia nyssae...
December 18, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29255999/tepidimonas-sediminis-sp-nov-and-tepidimonas-alkaliphilus-sp-nov-two-novel-moderately-thermophilic-species-isolated-from-a-hot-spring
#19
Neeli Habib, Inam Ullah Khan, Nimaichand Salam, Min Xiao, Iftikhar Ahmed, Xiao-Yang Zhi, Wen-Jun Li
The taxonomic positions of two moderately thermophilic bacteria, strains YIM 72259T and YIM 72238T, isolated from a hot spring sediment sample were determined using polyphasic taxonomic approaches. Pairwise comparison of the 16S rRNA gene sequences showed that strains YIM 72259T and YIM 72238T are closely related to Tepidimonas ignava SPS-1037T (97.0 and 97.5%, respectively), Tepidimonas taiwanensis I1-1T (96.5 and 97.3%), while sharing 98.0% sequence similarity with each other. The DNA-DNA relatedness values of strains YIM 72238T with T...
December 18, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29247403/personal-reflections-on-cletus-p-kurtzman-july-19-1938-november-27-2017
#20
Marc-André Lachance
No abstract text is available yet for this article.
December 16, 2017: Antonie Van Leeuwenhoek
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