Una propuesta de evaluaci??n de competencias gen??ricas en grados de Ingenier??a

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Desarrollo y evaluaci??n de competencias gen??ricas en los t??tulos de grado

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Formaci??n del docente en competencias gen??ricas : un instrumento para su planificaci??n y desarrollo

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Actuaciones interdisciplinares del profesorado universitario : desarrollo y evaluaci??n de las competencias gen??ricas de Grado en la formaci??n de estudiantes de Educaci??n Primaria

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Grasshoppers and crickets (Insecta : Orthoptera) from the lower cretaceous of southern England

This is a synoptic monograph of fossil Orthoptera from the English Lower Cretaceous (Purbeck and Wealden groups). The previously described taxa of these insects are revised on the basis of type specimens and examination of extensive new material. Eight new genera and 30 new species are proposed: Probaisselcana cretacea sp. nov., Minelcana membranacea gen. et sp. nov., Panorpidium proximum sp. nov., P. bimacillatum sp. nov., ?P. parvum sp. nov. (Elcanidae); ?Cyrtophyllites cretaceus sp. nov. (Haglidae); Aenigmodus minutus gen. et sp. nov., Pseudaboilus wealdensis gen. et sp. nov., P. purbeckensis sp. nov., Tettigoilus sonorus gen. et sp. nov., ?Agrionidium obscurum sp. nov. (Prophalangopsidae); Notocearagryllus britannicus sp. nov., N. grandispeculum sp. nov., N. cordispeculum sp. nov., Anglogryllus lyristes gen. et sp. nov., A. rotundispeculum sp. nov.. Speculogryllus acutispeculum gen. et sp. nov., Sharategia davisi sp. nov., S. batchelorae sp. nov., S. baldocki sp. nov. (Baissogryllidae); ?Araripegryllus orientalis sp. nov. (Gryllidae); Deinovitimia occidentalis sp. nov. (Ensifera: infraorder incertae sedis); Cretoxya rasnitsyni gen. et sp. nov. (Tridactylidae); Locustopsis posterior sp. nov., Zeunerella prior sp. nov., Zessinia borealis sp. nov., Mesolocustopsis anglica sp. nov., M. angusta sp. nov., M. problematica sp. nov., and Britannacrida distincta gen. et sp. nov (Locustopsidae). The subfamily Baisselcaninae is synonymized with Elcaninae, and a new subfamily (Archelcaninae subfam. nov.) is proposed for a segregate of Elcaninae. A preliminary comparison of the Purbeck/Wealden with other Early Cretaceous orthopteran faunas is given. (c) 2006 Published by Elsevier Ltd.

Bacteroides coprosuis sp nov., isolated from swine-manure storage pits

Two Gram-negative, anaerobic, non-spore-forming, rod-shaped organisms were isolated from a swine-manure storage pit. Based on morphological and biochemical criteria, the strains were tentatively identified as belonging to the genus Bacteroides but they did not appear to correspond to any recognized species of the genus. Comparative 16S rRNA gene sequencing studies showed that the strains were related closely to each other and confirmed their placement in the genus Bacteroides, but sequence divergence values of > 10% from reference Bacteroides species demonstrated that the organisms from manure represent a novel species. Based on biochemical criteria and molecular genetic evidence, it is proposed that the unknown isolates from manure be assigned to a novel species of the genus Bacteroides, as Bacteroides coprosuis sp. nov. The type strain is PC139(T) (=CCUG 50528(T)=NRRL B-41113(T)).

Corynebacterium suicordis sp. nov., from pigs

Nineteen strains of Gram-positive, non-motile, non-spore-forming, catalase-positive, rod-shaped bacteria isolated from pigs were characterized by using biochemical, molecular chemical and molecular genetic methods. Two distinct groups of organisms were discerned, based on their colonial morphology, CAMP (Christie-Atkins-Munch-Petersen) reaction and numerical profile by using the API Coryne system. The first group (113 strains) gave a doubtful discrimination between Corynebacterium striatum and Corynebacterium amycolatum, whilst the second group (six strains) were identified tentatively as Corynebacterium urealyticum. Comparative 16S rRNA gene sequencing studies demonstrated that all of the isolates belonged phylogenetically to the genus Corynebacterium. The first group of organisms was highly similar to Corynebacterium testudinoris with respect to 16S rRNA gene sequences and physiological characteristics, whereas the remaining six isolates formed a hitherto unknown subline within the genus, associated with a small subcluster of species that included Corynebacterium auriscanis and its close relatives. The unknown Corynebacterium sp. was distinguished readily from these and other species of the genus by biochemical tests. Based on both phenotypic and phylogenetic evidence, it is proposed that the new isolates from pigs should be classified as a novel species, Corynebacterium suicordis sp. nov. The type strain is P81/02(T) (=CECT 5724(T) =CCUG 46963(T)).

Psychrobacter pulmonis sp nov., isolated from the lungs of lambs

Unusual Gram-negative, catalase- and oxidase-positive, coccus-shaped bacteria isolated from the lungs of two lambs were characterized by phenotypic and molecular-genetic methods. Comparative 16S rRNA gene sequencing studies demonstrated that the unknown isolates were genealogically highly related to each other (99.8% sequence similarity) and represent a novel subline within the genus Psychrobacter. The unknown bacterium was phylogenetically closely related to, but distinct from, Psychrobacter phenylpyruvicus, Psychrobacter immobilis, Psychrobacter glacincola and Psychrobacter urativorans. The novel Psychrobacter isolates were readily distinguished from all other Psychrobacter species and other Gram-negative, oxidase-positive bacteria usually responsible for lung infections in sheep by physiological and biochemical tests. Based on molecular-genetic and phenotypic evidence, it is proposed that the unknown Psychrobacter isolates from lambs be classified as Psychrobacterpulmonis sp. nov. The type strain is strain S-606(T) (= CECT 5989(T) = CCUG 46240(T)).

Clostridium bolteae sp. nov., isolated from human sources

Seven obligately anaerobic, gram-positive, rod-shaped, spore-forming organisms isolated from human sources were characterized using phenotypic and molecular taxonomic methods. Comparative 16S rRNA gene sequencing showed that the strains were genetically highly related to each other (displaying >99% sequence similarity) and represent a previously unknown sub-line within the Clostridium coccoides rRNA group of organisms. Strains of the unidentified bacterium used carbohydrate as fermentable substrates, producing acetic acid and lactic acid as the major products of glucose metabolism. The closest described species to the novel bacterium corresponded to Clostridium clostridioforme, although a 16S rRNA sequence divergence of 3% demonstrated they represent different species. Genomic DNA-DNA pairing studies confirmed the separateness of the unknown species and Clostridium clostridioforme. Based on phenotypic and phylogenetic evidence, it is therefore proposed that the unknown bacterium, be classified as Clostridium bolteae sp. nov. The type strain of Clostridium bolteae is WAL 16351(T) (= ATCC(T) = BAA-613(T), CCUG(T) = 46953(T)).

Description of Kingella potus sp nov., an organism isolated from a wound caused by an animal bite

We report the isolation and characterization of a hitherto unknown gram-negative, rod-shaped Neisseria-like organism from an infected wound resulting from a bite from a kinkajou. Based on both phenotypic and phylogenetic evidence, it is proposed that the unknown organism be classified as a new species, Kingella potus sp. nov.

Slackia faecicanis sp nov., isolated from canine faeces

Morphological, biochemical and molecular genetic studies were carried out on an unknown non-spore-forming, Gram-positive, rod-shaped bacterium that was isolated from dog faeces. The bacterium grew under strictly anaerobic conditions, was asaccharolytic, and possessed a relatively high G + C content of 61 mol%. Phylogenetic analysis based on comparative 16S rRNA gene sequencing showed that the unidentified bacterium was a member of the family Coriobacteriaceae and represents a hitherto unknown subline within the genus Slackia. Based on the presented findings, a novel species, Slackia faecicanis sp. nov., is described. The type strain of Slackia faecicanis is 5WC12(T) (=CCUG 48399(T)=CIP 108281(T)).

Streptococcus castoreus sp nov., isolated from a beaver (Castor fiber)

A previously undescribed, Gram-positive, catalase-negative, Streptococcus-like organism originating from a European beaver (Castor fiber) was subjected to a taxonomic study. The organism displayed beta-haemolytic activity and gave a positive reaction with Lancefield group A antisera. Based on the results of biochemical testing, the organism was tentatively identified as a member of the genus Streptococcus, but it did not correspond phenotypically to any recognized species of this genus. Comparative 16S rRNA gene sequencing studies confirmed this assignment, with the bacterium forming a hitherto unknown subline within the genus. Sequence divergence values of greater than 3% from other reference streptococcal species, however, demonstrated that the unidentified coccus-shaped organism represents a hitherto unknown species. Based on phenotypic and molecular phylogenetic evidence, it is therefore proposed that the unknown organism from a beaver be classified as a novel species, Streptococcus castoreus sp. nov. The type strain is M605815/03/2(T) (=CCUG 48115(T) = CIP 108205(T)).

Streptococcus halichoeri sp nov., isolated from grey seals (Halichoerus grypus)

Phenotypic and phylogenetic studies were performed on six unidentified, Gram-positive, catalase-negative, chain-forming Streptococcus-like organisms recovered from grey seals. Biochemically the six strains were highly related to each other, but they did not appear to correspond to any recognized species of the genus Streptococcus. Comparative 16S rRNA gene sequencing studies confirmed that phylogenetically the strains were members of the genus Streptococcus, but sequence divergence values of greater than 3 % compared with reference streptococcal species demonstrated that the organisms from seals represent a novel species. SDS-PAGE analysis of whole-cell proteins confirmed the phenotypic distinctiveness of the seal organisms. Based on biochemical criteria and molecular chemical and genetic evidence, it is proposed that the unknown organism from seals be classified as a novel species, Streptococcus halichoeri sp. nov., the type strain of which is CCUG 48324(T) (=CIP 108195(T)).

Streptococcus marimammalium sp nov., isolated from seals

Two strains of an unidentified, Gram-positive, catalase-negative, chain-forming, coccus-shaped organism recovered from seals were characterized using phenotypic and molecular taxonomic methods. Based on morphological and biochemical criteria the strains were tentatively identified as streptococci but they did not appear to correspond to any recognized species of the genus Streptococcus. Comparative 16S rRNA gene sequencing studies showed that the strains were closely related to each other and confirmed their placement in the genus Streptococcus. Sequence divergence values of > 5 % with reference streptococcal species demonstrated the organisms from seals represent a novel species. SDS-PAGE analysis of whole-cell proteins confirmed that the two organisms were closely related to each other but were different from all currently defined streptococcal species. Based on biochemical criteria, molecular chemical and molecular genetic evidence, it is proposed that the unknown isolates from seals be assigned to a novel species of the genus Streptococcus, Streptococcus marimammalium sp. nov. The type strain is M54/01/(T) (=CCUG 48494(T)=CIP 108309(T)).