|
|
|
Registros recuperados: 11 | |
|
| |
|
|
Abatzopoulos, Th. J.; Amat, F.; Baxevanis, A. D.; Belmonte, G.; Hontoria, F.; Maniatsi, S.; Moscatello, S.; Mura, G.; Shadrin, N. V.. |
Artemia urmiana (a species previously considered endemic of Lake Urmia, NW Iran) has been found in Lake Koyashskoe, a hypersaline lake on the Black Sea coast of the Crimean peninsula (Ukraine). Therefore, this is the first record of A. urmiana in Europe which updates its distribution. The species identification was based on an integrated and interdisciplinary approach using discriminant analysis of the morphometric characters, scanning electron microscopy, and molecular profile analysis. The data derived from the above mentioned approaches converge to significant similarity of the population under investigation with A. urmiana. The updated geographic distribution of the species, deriving from the present report, asks for additional contribution of other... |
Tipo: Journal Contribution |
Palavras-chave: Salt lakes; Scanning electron microscopy; Discriminant analysis; Molecular analysis; Biogeography. |
Ano: 2009 |
URL: http://repository.ibss.org.ua/dspace/handle/99011/1069 |
| |
|
|
Angora, Etienne K.; Allienne, Jean-francois; Rey, Olivier; Menan, Herve; Toure, Andre O.; Coulibaly, Jean T.; Raso, Giovanna; Yavo, William; N'Goran, Eliezer K.; Utzinger, Jurg; Balmer, Oliver; Boissier, Jerome. |
Schistosomiasis is a neglected tropical disease, though it is highly prevalent in many parts of sub-Saharan Africa. While Schistosoma haematobium-bovis hybrids have been reported in West Africa, no data about Schistosoma hybrids in humans are available from Cote d'Ivoire. This study aimed to identify and quantify S. haematobium-bovis hybrids among schoolchildren in four localities of Cote d'Ivoire. Urine samples were collected and examined by filtration to detect Schistosoma eggs. Eggs were hatched and 503 miracidia were individually collected and stored on Whatman(R) FTA cards for molecular analysis. Individual miracidia were molecularly characterized by analysis of mitochondrial cox1 and nuclear internal transcribed spacer 2 (ITS 2) DNA regions. A... |
Tipo: Text |
Palavras-chave: Cote d'Ivoire; Hybrids; Molecular analysis; Schistosoma bovis; Schistosoma haematobium. |
Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00624/73604/73060.pdf |
| |
|
|
Nardsi, V.; Arzul, Isabelle; Cargini, D.; Mosca, F.; Calzetta, A.; Traversa, D.; Robert, Maeva; Joly, Jean-pierre; Chollet, Bruno; Renault, Tristan; Tiscar, P. G.. |
The flat oyster Ostrea edulis L. is widespread along the Italian coasts. In particular, the Manfredonia Gulf (Adriatic Sea) represents an important site where natural beds subsist. Previous monitoring conducted in 1990 by light microscopy and ultrastructural studies revealed the presence of Bonamia-like microcell parasites in some flat oysters: following this observation, a new sampling of O. edulis was carried out at this location in 2007. Of 750 oysters collected, 3 showed the presence of uninucleated microcells (2 to 3 mu m diameter) free or inside the haemocyte cytoplasm by cytology and histopathology. Molecular analysis confirmed that the microcells in 2 oysters were B. exitiosa, whereas in the third oyster the microcells were B. ostreae. Moreover,... |
Tipo: Text |
Palavras-chave: Bonamia spp.; Ostrea edulis; Molecular analysis; Electron microscopy. |
Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00002/11284/7825.pdf |
| |
|
| |
|
|
Baratto,CM; Gelinski,JMLN; Bernardi,AZ; Marafon,A; Braun,F. |
Salmonella is widespread in nature and can be found in all links of the poultry production chain. Due to its high impact on meat processing, techniques for the rapid detection and reproducible characterization of Salmonella serotypes in foods are needed. The present study investigated the potential of molecular profiling to identify and differentiate 15 Salmonella serotypes isolated from the poultry production chain, based on 5 primers by random amplified polymorphic DNA (RAPD), enterobacterial repetitive intergenic consensus (ERIC-PCR), amplification of rDNA internal spacer analysis (RISA), and amplified ribosomal DNA restriction analysis (ARDRA) of 16S-23S rRNA internal spacer region (ISR) cleaved with Alu I and Hha I restriction enzymes. Three isolates... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Molecular analysis; Salmonella; Serotypes; Typing. |
Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2012000300003 |
| |
|
| |
|
| |
|
| |
|
| |
|
|
Zhao,L.H.; Zhao,S.P.. |
In the study, the ciprofloxacin resistance rate was 100%. High-level ciprofloxacin resistance rate was 63.55%. Sixteen different mutation patterns involved in the formation of ciprofloxacin resistance were identified. The most prevalent were patterns P7 (25.2%), P8 (15.0%), P9 (11.2%), P1 (10.3%), and P5 (10.3%). All of the 107 NG isolates analyzed for mutations in the study have demonstrated a change of Ser-91 → Phe in the gyrA gene, and all except one have demonstrated a change in position 95 of the amino acid sequence. All of the 68 high-level QRNG isolates had double mutations in gyrA gene combined with a single or two mutations in parC gene. It is most important that a new mutation site of Ile-97 → Met in gyrA and a new mutation of Leu-106 → Ile in... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Neisseria gonorrhoeae; Ciprofloxacin resistance; High-level; Molecular analysis. |
Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000100039 |
| |
Registros recuperados: 11 | |
|
|
|