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https://www.readbyqxmd.com/read/28735425/influence-of-host-plant-on-thaumetopoea-pityocampa-gut-bacterial-community
#1
Cinzia P Strano, Antonino Malacrinò, Orlando Campolo, Vincenzo Palmeri
Microbial communities associated to the gut of insects are attracting an increasing interest, mainly because of their role in influencing several host life-traits. The characterization of the gut microbial community is pivotal for understanding insect ecology and, thus, to develop novel pest management strategies. The pine processionary moth, Thaumetopoea pytiocampa (Denis & Schiff.) (Lepidoptera: Thaumetopoeidae), is a severe defoliator of pine forests, able to feed on several pine species. In this work, we performed a metabarcoding analysis to investigate, for the first time, the diversity of the gut bacterial community of pine processionary larvae associated with three different host pine species (Pinus halepensis, Pinus nigra subsp...
July 22, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28735325/characterization-of-endolithic-culturable-microbial-communities-in-carbonate-rocks-from-a-typical-karst-canyon-in-guizhou-china
#2
Yuan Tang, Jian-Zhong Cheng, Bin Lian
The endolithic environment is a ubiquitous habitat for microorganisms and a critical interface between biology and geology. In this study, a culture-based method and the phylogenetic analysis based on 16S rRNA and internal transcribed spacer (ITS) sequences were used to investigate the diversity of endolithic bacteria and fungi in two main types of carbonate rocks (namely dolomite and limestone) from Nanjiang Canyon in Guizhou karst area, China. The results of bacterial diversity indicated that all bacteria isolated from dolomite and limestone rocks were divided into 4 bacterial groups, including Proteobacteria, Actinobacteria, Firmicutes and Bacteroidetes...
January 2, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28735315/the-diversity-growth-promoting-abilities-and-anti-microbial-activities-of-bacteria-isolated-from-the-fruiting-body-of-agaricus-bisporus
#3
Quanju Xiang, Lihua Luo, Yuhuan Liang, Qiang Chen, Xiaoping Zhang, Yunfu Gu
Agaricus bisporus plays an important role in ecological processes and is one of the most widely cultivated mushrooms worldwide. Mushroom growth-promoting bacteria have been isolated from casing soil and compost, but microorganisms in the fruiting body have received only a little attention. To get an overview of phylogenetic diversity of microorganisms in the fruiting body of A. bisporus, as well as to screen antimicrobial and mushroom growth-promoting strains, and eventually intensify mushroom production, we isolated and characterized microorganisms from the fruiting body of A...
July 6, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28735171/encoding-of-coordination-complexes-with-xml
#4
P Vinoth, P Sankar
An in-silico system to encode structure, bonding and properties of coordination complexes is developed. The encoding is achieved through a semantic XML markup frame. Composition of the coordination complexes is captured in terms of central atom and ligands. Structural information of central atom is detailed in terms of electron status of valence electron orbitals. The ligands are encoded with specific reference to the electron environment of ligand centre atoms. Behaviour of ligands to form low or high spin complexes is accomplished by assigning a Ligand Centre Value to every ligand based on the electronic environment of ligand centre atom...
July 13, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28735058/prevalence-of-pmqr-genes-in-e-coli-and-klebsiella-spp-isolated-from-north-west-of-morocco
#5
Houda Benaicha, Said Barrijal, Fatima Ezzakkioui, Fatima Elmalki
OBJECTIVES: Plasmid mediated quinolone resistance (PMQR) genes are increasingly detected worldwide. However, in Morocco a few studies have been carried out. The aim of this study was to investigate the prevalence of these determinants among Escherichia coli and Klebsiella spp isolated from North-West of Morocco. METHODS: The prevalence of PMQR genes was investigated among 398 E. coli and 118 Klebsiella spp clinical isolates collected between 2012 and 2015 from North-West of Morocco...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28735055/molecular-analysis-of-virulence-genes-and-the-accessory-gene-regulator-agr-types-among-methicillin-resistant-staphylococcus-aureus-mrsa-strains
#6
Sara Cheraghi, Leyla Pourgholi, Maryam Shafaati, Shirinsadat Hashemi Fesharaki, Arash Jalali, Rahim Nosrati, MohammadAli Boroumand
OBJECTIVES: Methicillin resistant S. aureus (MRSA) strains are a main cause of hospital-acquired infections and are considered as a serious public-health concern. MRSA isolates have plenty of virulence factors, which are the basis for its pathogenicity. The controlling and coordination of the expression of these genes perform by the accessory gene regulator (agr). The aim of this study was to determine the rate of some virulence genes encoding the enterotoxin, exfoliative toxin genes (eta), the adhesin genes and identification of agr specificity groups in MRSA isolates...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28735048/emergence-of-different-acinetobacter-baumannii-clones-in-a-croatian-hospital-and-correlation-with-antibiotic-susceptibility
#7
Ranko Ladavac, Branka Bedenić, Mirna Vranić-Ladavac, Nada Barišić, Natalie Karčić, Karoline Pompe, Antun Ferenčić, Aleksandar Stojanović, Harald Seifert, Stjepan Katić, Paul G Higgins
OBJECTIVES: During routine diagnostic laboratory work, the clinical microbiologist observed an increase of Acinetobacter baumannii isolates with three different carbapenem susceptibility patterns: susceptible, intermediate and resistant. Isolates belonging to the same carbapenem susceptibility phenotype exhibited identical susceptibility/resistance patterns to non-β-lactam antibiotics. This prompted us to analyze the mechanisms of carbapenem-resistance and the molecular epidemiology of the isolates...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28734800/advocating-for-well-defined-and-validated-procedures-comment-on-griffanti-et-al
#8
Robert E Kelly, George S Alexopoulos, Faith M Gunning, Matthew J Hoptman
Griffanti et al. (in press) provide a rich set of expert-consensus guidelines for how to label components derived from ICA as either belonging to signal of interest or noise to be filtered from fMRI data. These general hypotheses concerning procedures for "hand" classification of components are a good starting point that with further detail would improve reproduction of experiments and facilitate comparisons of alternative hypotheses/procedures. Empirical validation could help to resolve questions by supporting or disconfirming the proposed guidelines...
July 19, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28734764/comparative-genomic-analysis-of-mycobacterium-tuberculosis-beijing-like-strains-revealed-specific-genetic-variations-associated-with-virulence-and-drug-resistance
#9
Juan Germán Rodríguez-Castillo, Camilo Pino, Luis Fernando Niño, Juan Carlos Rozo, Claudia Llerena-Polo, Carlos A Parra-López, Andreas Tauch, Martha Isabel Murcia-Aranguren
Isolates of the Mycobacterium tuberculosis lineage 2/East-Asian are considered one of the most successful strains due to their increased pathogenicity, hyper-virulence associated with drug resistance, and high transmission. Recent studies in Colombia have shown that the Beijing-like genotype is associated with multidrug-resistance and high prevalence in the southwest of the country, but the genetic basis of its success in dissemination is unknown. In contribution to this matter, we obtained the whole sequences of six genomes of clinical isolates assigned to the Beijing-like genotype...
July 19, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28734663/mtdna-sequence-diversity-of-hazara-ethnic-group-from-pakistan
#10
Allah Rakha, Fatima, Min-Sheng Peng, Atif Adan, Rui Bi, Memona Yasmin, Yong-Gang Yao
The present study was undertaken to investigate mitochondrial DNA (mtDNA) control region sequences of Hazaras from Pakistan, so as to generate mtDNA reference database for forensic casework in Pakistan and to analyze phylogenetic relationship of this particular ethnic group with geographically proximal populations. Complete mtDNA control region (nt 16024-576) sequences were generated through Sanger Sequencing for 319 Hazara individuals from Quetta, Baluchistan. The population sample set showed a total of 189 distinct haplotypes, belonging mainly to West Eurasian (51...
July 10, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28734139/%C3%AE-nfluenza-a-h3n2-genetic-variants-in-vaccinated-patients-in-northern-greece
#11
A Melidou, G Gioula, M Exindari, E Ioannou, K Gkolfinopoulou, T Georgakopoulou, S Tsiodras, A Papa
BACKGROUND: Influenza A(H3N2) viruses predominated during the influenza 2016/2017 season and showed extensive genetic diversification. A high vaccination failure rate was noticed during the 2016/17 season in Greece, especially among the elderly. OBJECTIVES: The scope of the study was to investigate the genetic characteristics of A(H3N2) circulating viruses and viruses detected in vaccinated patients. STUDY DESIGN: Virus samples originated from vaccinated and unvaccinated patients, obtained at the National Influenza Centre for northern Greece...
July 14, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28734128/the-experience-of-initiating-injection-drug-use-and-its-social-context-a-qualitative-systematic-review-and-thematic-synthesis
#12
REVIEW
Andy Guise, Danielle Horyniak, Jason Melo, Ryan McNeill, Dan Werb
BACKGROUND AND AIM: Understanding the experience of initiating injection drug use and its social contexts is crucial to inform efforts to prevent transitions into this mode of drug consumption and support harm reduction. We systematically reviewed and synthesized existing qualitative scientific literature to identify the socio-structural contexts for, and experiences of, the initiation of injection drug use. METHODS: We systematically searched six databases (Medline, Embase, PsychINFO, CINAHL, IBSS, and SSCI), along with a manual search, including of key journals and subject experts...
July 22, 2017: Addiction
https://www.readbyqxmd.com/read/28734070/genome-scans-on-experimentally-evolved-populations-reveal-candidate-regions-for-adaptation-to-plant-resistance-in-the-potato-cyst-nematode-globodera-pallida
#13
D Eoche-Bosy, M Gautier, M Esquibet, F Legeai, A Bretaudeau, O Bouchez, S Fournet, E Grenier, J Montarry
Improving resistance durability involves to be able to predict the adaptation speed of pathogen populations. Identifying the genetic bases of pathogen adaptation to plant resistances is a useful step to better understand and anticipate this phenomenon. Globodera pallida is a major pest of potato crop for which a resistance QTL, GpaVvrn , has been identified in Solanum vernei. However, its durability is threatened as G. pallida populations are able to adapt to the resistance in few generations. The aim of the present study was to investigate the genomic regions involved in the resistance breakdown by coupling experimental evolution and high-density genome scan...
July 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28733938/molecular-cloning-heterologous-expression-and-functional-characterization-of-a-cellulolytic-enzyme-cel-prii-from-buffalo-rumen-metagenome
#14
Ravi K Shah, Amrutlal K Patel, Deepti M Davla, Ishan K Parikh, Ramalingam B Subramanian, Kamlesh C Patel, Subhash J Jakhesara, Chaitanya G Joshi
A cellulase encoding gene, Cel PRII, was identified from Mehsani buffalo rumen metagenome, and cloned and expressed in Escherichia coli BL21(DE3)pLysS. The 1170 bp full length gene encodes a 389 residue polypeptide (Cel PRII) containing a catalytic domain belonging to glycosyl hydrolase (GH) 5 family. The fusion protein consisting of the Cel PRII, thioredoxin tag and 6x Histidine tag with predicted molecular weight of 63 kDa when recovered from inclusion bodies under denaturing conditions, exhibited cellulolytic activity against carboxymethyl cellulose (CMC)...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28733913/social-identity-continuity-and-mental-health-among-syrian-refugees-in-turkey
#15
Anouk Smeekes, Maykel Verkuyten, Elif Çelebi, Ceren Acartürk, Samed Onkun
PURPOSE: Building upon social psychological work on social identity and mental health, this study among Syrian refugees in Turkey examined the importance of multiple group memberships and identity continuity for mental health and well-being. METHOD: A survey study was conducted among the very difficult to reach population of Syrian refugees (N = 361). With path analysis in AMOS the associations were examined between multiple group memberships, social identity continuity and mental health and psychological well-being...
July 21, 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28733600/%C3%AE-ginkgotides-hyperdisulfide-constrained-peptides-from-ginkgo-biloba
#16
Ka H Wong, Wei Liang Tan, Tianshu Xiao, James P Tam
Hyperdisulfide-constrained peptides are distinguished by their high stability and diverse functions. Thus far, these peptides have been reported from animals only but their occurrence in plants are rare. Here, we report the discovery, synthesis and characterization of a hyperdisulfide-constrained peptides family of approximately 2 kDa, β-ginkgotides (β-gB1 and β-gB2) from Ginkgo biloba. Proteomic analysis showed β-ginkgotides contain 18‒20 amino acids, of which 16 residues form a conserved six-cysteine core with a highly clustered cysteine spacing of C‒CC‒C‒CC, an arrangement that has not been reported in cysteine-rich peptides...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28733469/bone-morphogenetic-proteins-breast-cancer-and-bone-metastases-striking-the-right-balance
#17
Catherine Zabkiewicz, Jeyna Resaul, Rachel Hargest, Wen Jiang, Lin Ye
Bone morphogenetic proteins (BMPs) belong to the TGF-β super family, and are essential for regulation of foetal development, tissue differentiation and homeostasis, and a multitude of cellular functions. Naturally, this has led to the exploration of aberrance in this highly regulated system as a key factor in tumourigenesis. Originally identified for their role in osteogenesis and bone turnover, attention has been turned to the potential role of BMPs in tumour metastases to, and progression within, the bone niche...
July 21, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28733246/defective-recognition-and-naming-of-famous-people-from-voice-in-patients-with-unilateral-temporal-lobe-tumours
#18
C Papagno, G Mattavelli, A Casarotti, L Bello, G Gainotti
Twenty-nine patients who underwent surgery for a temporal glioma, either in the left (16 patients) or right (13 patients) hemisphere, were administered standardized tests of unknown voice discrimination (UVD) and of famous voice recognition (VO-REC), which included tasks of familiarity evaluation, semantic identification and naming of famous voices. The UVD consisted of twenty stimuli, in which two audio files were consecutively presented; the subject was requested to judge whether the voices belonged to the same or different persons...
July 18, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28733233/estimation-of-dietary-intake-and-target-hazard-quotients-for-metals-by-consumption-of-wines-from-the-canary-islands
#19
Angel J Gutiérrez, Carmen Rubio, Isabel M Moreno, A Gustavo González, Dailos Gonzalez-Weller, Naouel Bencharki, Arturo Hardisson, Consuelo Revert
This paper describes the impact of mineral content on wines and assesses the potential health risk from consuming these wines from Canary Islands. The metal content (B, Ca, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Zn) of red wines belonging to different regions in the Canary Islands was determined by ICP-OES. The studied wine regions were Valle de la Orotava, Tacoronte-Acentejo, Ycoden-Daute-Isora, Abona and Valle de Güimar in Tenerife Island and only one in La Gomera and La Palma Islands. According to the content found, elements could be classified in two categories: the main group including Ca, K, Mg, Na, and the ''minor'' set consisting of B, Co, Cr, Cu, Fe, Li, Mn, Mo, Ni, Pb and Zn...
July 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28733228/progressive-erosion-of-the-relaxin1-gene-in-bovids
#20
Loggan Malone, Juan C Opazo, Peter L Ryan, Federico G Hoffmann
The relaxin/insulin-like (RLN/INSL) gene family is a group of genes that encode peptide hormones involved in a variety of physiological functions related to reproduction. Previous studies have shown that relaxin plays a key role in widening of the pubic bone during labor and in gamete maturation. Because of these functions, studying the evolution of RLN1, the gene encoding for relaxin, is relevant in livestock species, most of which belong in the group Laurasiatheria, which includes cow, pig, horse, goat, and sheep in addition to bats, cetaceans and carnivores...
July 18, 2017: General and Comparative Endocrinology
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