bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthesis and Characterization of Model System in Biologically Related Function — Model Compounds for Investigation of Metal—Metal Interaction and Nucleobase—Aromatics Interaction
Authors: Hisatome Masao 
Published: May 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Synthesis of New Phosphino‐Amines, Their Metal Complexes and Their Application in Catalysis.
Authors: Izubiri Mireia Rodriguez , Slawin Alexandra M. Z. , Cole‐Hamilton David , Woollins J. Derek 
Published: May 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Organostannoxanes and Cyclophosphazenes as Scaffolds for Multi‐Ferrocene Assemblies.
Authors: Chandrasekhar Vadapalli , Nagendran Selvarajan , Andavan Gurusamy Thangavelu Senthil , Bansal Sachin , Krishnan Venkatasubbaiah 
Published: May 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Novel Aspects of Phosphorus Analogues of Arduengo Carbenes: From Very Stable Phosphenium Ions to Umpolung of P‐H Bonds.
Authors: Gudat Dietrich , Haghverdi Asadollah , Nieger Martin 
Published: May 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Synthesis and Structure—Activity Relationships of 2,3‐Benzodiazepines as AMPA Receptor Antagonists.
Authors: Zappala M. , Grasso S. , Micale N. , Polimeni S. , De Micheli C. 
Published: May 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Review of Vinyl Graft Copolymerization Featuring Recent Advances Toward Controlled Radical‐Based Reactions and Illustrated with Chitin/Chitosan Trunk Polymers
Authors: Jenkins David W. , Hudson Samuel M. 
Published: May 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: “Let′s Twist Again” — Double‐Stranded, Triple‐Stranded, and Circular Helicates
Authors: Albrecht Markus 
Published: May 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Demyelinating Neuropathy in Patients With Hepatitis C Virus Infection
Authors: Chin Russell L , Sander Howard W , Brannagan Thomas H , De Sousa Eduardo , Latov Norman 
Published: May 2010

Abstract

Infection with hepatitis C virus (HCV) can be associated with demyelinating polyneuropathy that may be responsive to immunomodulatory therapy. In this case report series, we review four patients (all male, ages 47-60 years) with HCV and demyelinating polyneuropathy. Two of the four patients were diagnosed with HCV during the course of initial neuropathy evaluation. All patients had sensory loss, absent/diminished reflexes, lower extremity weakness (except for one patient), and demyelinating electrodiagnostic features. Three patients had polyclonal hypergammaglobulinemia and one patient had IgM monoclonal gammopathy. Intravenous immunoglobulin resulted in improvement in three patients; one patient had no benefit from rituximab therapy, but his symptoms have been stable. Demyelinating neuropathy may develop in patients with HCV unrelated to antiviral therapy. Immunomodulatory therapy may be beneficial in some cases. Testing for HCV should be considered, especially in patients with hypergammaglobulinemia or IgM monoclonal gammopathy.
What's in the Literature?
Authors: Simmons Zachary 
Published: May 2010

Abstract

Once again, the field of neuromuscular diseases has produced a wide-ranging and interesting group of papers, a small number of which are highlighted. Many papers focus on treatments, and although these are generally symptomatic rather than curative, they provide clinicians with guidelines for providing patients with relief from neuropathic pain, muscle cramps, myotonia, and the weakness associated with limb-girdle muscular dystrophy. For peripheral neuropathies, additional treatment aspects and a possible mechanism for neuroprotection during chemotherapy are also addressed. The clinical features and genetics of hereditary spastic paraplegia and of motor neuron disease are explored with particular emphasis on the heterogeneity of clinical presentations that may arise from genetic mutations. Myasthenia gravis receives some well-deserved attention, particularly with regard to treatment as well as diagnosis.
Ankle injuries in football academies: a three-centre prospective study
Authors: Cloke David J , Ansell Phil , Avery Peter , Deehan David 
Published: May 2010

BackgroundInjuries are common in youth soccer, of which ankle injuries form a significant proportion. However, there is a lack of prospective data on the epidemiology and nature of these injuries.AimTo prospectively study the incidence of ankle injuries in three Football Association (FA) academies, with particular emphasis on severe injuries and factors associated with increased injury rate.DesignDescriptive epidemiology study.MethodsAll 419 players within three FA youth academies during the 2007–2008 season were included, between under 9 and under 18 age groups. Ankle injuries causing a loss of more than 48 h training were studied, along with the setting and mechanism of injury, the diagnosis, time to rehabilitate, any investigations and surgical treatment. The incidence of injury per 1000 h exposure in match, training and in total was calculated.ResultsA total of 56 (incidence 14%) new ankle injuries were identified during this 1-year study period. Twenty-six (46%) of these occurred in competition, 24 (43%) were by contact, and eight (14%) had a severe injury diagnosed. The incidence was higher in the competitive setting. Ten injuries (18%) missed more than 6 weeks' training. Of these, seven were diagnosed as ‘sprain’ or ‘strain,’ of whom only three had been further investigated. There was a significant relationship between injury incidence and age group for total and match exposure, but not for training exposure.ConclusionsThe incidence of ankle injury in youth soccer is higher in competition, and increases with age in competition. 17.5% of ankle injuries missed more than 6 weeks' training, but the authors found a subgroup of players with delay in returning to sport in whom there was no further investigation to establish the diagnosis. This group may harbour occult injury to the chondral surfaces, and earlier investigation could minimise secondary joint damage in this ‘at risk’ age group.
Differential vulnerability of Physalaemus pustulosus tadpole size classes to predation by the water spider Thaumasia sp. (Physauridae)
Authors: Jara Fabián Gastón 
Published: May 2010

AbstractThe effect of predatory water spiders on the tadpole size-structure is poorly understood. Here I present a study of the effect of the spider Thaumasia sp. on the survivorship of Physalaemus pustulosus tadpoles in a tropical system. Under experimental conditions, tadpoles of one or two sizes were offered to juvenile spiders. Two experiments were conducted, one during the day and another during the night. The spiders consumed a greater number of large tadpoles in all treatments, and more tadpoles of both sizes were eaten during the day. This suggests that larger tadpoles are more susceptible to predation by Thaumasia sp. and that tadpoles are more vulnerable during the day.
A new species of Phasmahyla Cruz, 1990 (Anura: Hylidae) from the Atlantic Rain Forest of the States of Minas Gerais and Bahia, Brazil
Authors: Cruz Carlos Alberto , Feio Renato , Nascimento Luciana 
Published: May 2010

AbstractA new species of the genus Phasmahyla is described from Atlantic Rain Forest fragments at the Fazenda Duas Barras, Municipality of Santa Maria do Salto, northeastern State of Minas Gerais, at the Reserva Particular do Patrimônio Natural (RPPN) Serra do Teimoso, Municipality of Jussari, and at the Fazenda Santa Cruz, Municipality of Arataca, southern State of Bahia, Brazil. The new species is recognized by its medium size for the genus (SVL 33.3 to 38.0 mm in males, 42.8 to 48.6 mm in females); purple drops on flanks and concealed surfaces of forearm, thigh, and digits; male with moderate nuptial pad of minuscule horny asperities on finger I; tympanum distinct only on ventral half; supratympanic fold weakly developed and visible only behind the tympanum; loreal region slightly obtuse; larval oral disc with distinct upper and second lower series of horny teeth; and second lower series of horny teeth slightly shorter than the upper one.
Home ranges and movements of the Chinese stripe-necked turtle (Ocadia sinensis) in the Keelung River, northern Taiwan
Authors: Lue Kuang-Yang , Chen Tien-Hsi 
Published: May 2010

AbstractWe investigated home ranges and movements of 13 adult Ocadia sinensis by radio-tracking in a narrow and disturbed riverine habitat of the Keelung River, northern Taiwan from January 2001 to April 2002. Our results indicated that individuals of this turtle were sedentary, with home range length averaging 703 m (range 170-1460 m). Home range length did not differ between the sexes. Movement patterns of radio-tracked turtles were highly variable, with no apparent seasonal patterns. The daily movement distances ranged from 5-245 m, equalling 0.3 to 47.1% of their home range length. Usually, O. sinensis moved into a new pool during flooding or after a longer period of low water level. This turtle was seldom relocated terrestrially, showing its highly aquatic nature. Ocadia sinensis used the riverine habitat unevenly, preferring the deep and slow-current pools and avoiding highly modified river sections. Our results raise conservation concern about loss of deeper, slow-current pools in many river management projects, which was important habitat for O. sinensis in their home ranges.
The large invasive population of Xenopus laevis in Sicily, Italy
Authors: Giacalone Gabriele , Valvo Mario Lo , Faraone Francesco Paolo , Lillo Francesco 
Published: May 2010

AbstractThe worldwide spread of invasive species is considered to be one of the main causes of global amphibian declines and the loss of biodiversity in general. The African Clawed Frog, Xenopus laevis, shows a strong ability to establish populations and invade various geographic regions. In 2004 X. laevis was found in Sicily for the first time. The Sicilian population is probably the largest in Europe with a range of about 225 km2 in an area characterized by numerous agricultural ponds. This high density of ponds has potentially facilitated the dispersal of X. laevis. The frogs can move far from rivers or watercourses by utilizing the ponds as suitable "islands". The analysis of their diet shows that the aquatic larvae of nektonic insects comprise the major portion in terms of mass while small planktonic crustaceans are the most numerous component. There is a significant difference between the diet of adults and juveniles.
Sexual size dimorphism and microhabitat use of the orange-tail skink (Gongylomorphus spp.) on Flat Island, Mauritius: conservation implications
Authors: Ross Toby , Bell Diana , Jones Carl , Pernetta Angelo 
Published: May 2010

AbstractThe Gongylomorphus skinks are an endemic genus of Mauritius and comprise two described species. Following the recent discovery of a third putative species, endemic to Flat Island, 11 km off the coast of Mauritius, this study was conducted to examine morphometrics and the pattern of microhabitat use by the species in an effort to provide effective conservation recommendations. There was a clear sexual size dimorphism with males significantly larger than females in terms of; snout-vent length, head length, head width, snout-mouth length, snout-ear length, upper and lower fore- and hind-limb lengths and fourth toe length. There was no sexual dimorphism in other measures including pelvic width, width at the base of the tail, head depth or body weight. Microhabitat use was found to be non-random with lizards occurring in areas with high humidity, high numbers of natural refugia, increased leaf litter coverage and plant species diversity, and low grass cover. We found no evidence that microhabitat use varied in relation to sex or age of lizards. The implications of these results for the conservation management of Flat Island for the orange-tail skink are discussed.
Molecular phylogeny and geographic variation of Malagasy iguanas (Oplurus and Chalarodon)
Authors: Vences Miguel , Glaw Frank , Wollenberg Katharina , Münchenberg Tobias 
Published: May 2010

AbstractThe iguanid subfamily Oplurinae consists of seven species of small to medium-sized, arboreal, sand-dwelling or rock-dwelling lizards endemic to Madagascar and the Comoros, belonging to the genera Oplurus and Chalarodon. We here present the first complete molecular species-level phylogeny for Oplurinae based on DNA sequences (865 bp) of the mitochondrial 16S rRNA gene and the nuclear c-mos gene. Our study is based on 52 specimens sampled from different populations in Madagascar and includes the geographically isolated population from Grande Comore, hitherto considered as subspecies Oplurus cuvieri comorensis or even as a separate species O. comorensis. Our results confirm that, within the genus Oplurus, the largely arboreal O. cuvieri and O. cyclurus form the sister clade to the remaining, more rock-dwelling species. Within the latter lineage, Oplurus quadrimaculatus is placed most basal, O. fierinensis and O. grandidieri are closely related sister species with high support, and O. saxicola is sister to the fierinensis/grandidieri lineage. Within the arboreal Oplurus, the Comoran sample shows no genetic differentiation relative to O. cuvieri populations from the North West and Sambirano regions of Madagascar, indicating that this population should not be considered as a separate species. In the monotypic genus Chalarodon, we discovered deep genetic divergences among populations of C. madagascariensis indicating the presence of a previously unrecognized cryptic species and the need for taxonomic revision.
Dietary strategy of a Pyrenean lizard, Iberolacerta aurelioi, living in a poor resources alpine environment
Authors: Díez Teresa García , Hernández-Estévez José Ángel , Pérez-Mellado Valentín , Amat Fèlix 
Published: May 2010

AbstractWe report the first study of diet composition of a Pyrenean lizard of the genus Iberolacerta, the Aurelio's lizard, I. aurelioi, living in an alpine rocky slope at 2300 m of altitude in Andorra. Diet composition was studied during two years from 289 faecal pellets containing 966 prey items. Number of prey per pellet shows annual, seasonal and sexual differences. Diet of the species is poorly diverse, mainly dominated by insects, but we find clear evidences of opportunistic cannibalism based on the presence of toes and scales in feces. In addition, we detected minor sexual, annual and month differences in prey presence and abundance. Low amplitude of trophic niche width and prey diversity, as well as predation on clumped prey and cannibalistic behaviour suggest that Iberolacerta aurelioi has a remarkable dietary strategy in response to strong thermal and food availability constraints at high mountain habitats.
New haplotypes of Cyclura nubila nubila from Cuba changed the phylogenetic tree of rock-iguanas: a challenge for conservation strategies?
Authors: Frynta Daniel , Rehák Ivan , Starostová Zuzana 
Published: May 2010

AbstractRock-iguanas of the genus Cyclura are the largest native terrestrial herbivores of the West Indies. Most species are currently under a high risk of extinction. In order to assess genetic variation in Cuban rock iguanas (Cyclura nubila nubila), we sequenced a fragment of mitochondrial DNA (894 bp long region including a part of the ND4 subunit of the NADH gene and the tRNA genes histidine, serin and leucin (partial)) in 21 iguanas from European Zoos and private breeders. The animals sampled represent founders and important representatives of the studbook population. The data was combined with published sequences of other species/subspecies of the genus and outgroups. We used neighbour joining, maximum likelihood, maximum parsimony and Bayesian methods to reconstruct the phylogenetic tree. The results are congruent with the previously reported paraphyletic relationship of C. nubila with respect to C. cychlura from the Bahamas. Surprisingly, within C. n. nubila, we found previously undescribed haplotypes phylogenetically closer to those of the subspecies C. nubila caymanensis from Little Cayman Island, or C. nubila lewisi from Grand Cayman Island. Thus, our results show that C. n. nubila as currently defined represents more distinct lineages and is therefore a composite taxon. Nevertheless, as rapidly evolving isolates these taxa are still worthy of conservation efforts. We hypothesize that the basal divergence of the C. nubila–C. cychlura clade occurred in Cuba and the above mentioned taxa from the neighbouring islands are a result of relatively recent over-water dispersal. In conclusion, our data suggest that special attention should be devoted to conserving Cuban rock-iguanas.
Forceps delivery of a new treefrog species of the genus Boophis from eastern Madagascar (Amphibia: Mantellidae)
Authors: Glaw Frank , Vallan Denis , Vences Miguel 
Published: May 2010

AbstractWe describe a new treefrog species of the genus Boophis (subgenus Sahona) from eastern Madagascar. Boophis calcaratus sp. nov. is distinguished from other species of the group by the presence of distinct dermal heel tubercles which are especially well developed in females. We also re-examined the type specimens of Boophis hillenii, a species that has not been rediscovered after its description in 1979. According to our analysis this taxon shows no consistent morphological differences to Boophis idae and supposed bioacoustic differences may be explained by two distinct call types in this species, and we thus suggest to consider hillenii as junior synonym of idae.
A quantitative reassessment of morphology-based taxonomic schemes for Turkish tortoises (Testudo graeca)
Authors: Kiremit Ferhat , Taşkavak Ertan , Parham James , Türkozan Oğuz , Olgun Kurtuluş 
Published: May 2010

AbstractIn the last decade, Asian populations of Testudo graeca were split into as many as 10 species based on morphology and morphometry and then subsequently synonymized based on genetic evidence. We generate new morphometric data for six of these disputed species from Turkey, a major center of morphological and genetic diversity for Asian T. graeca. We test the concordance of our data with previous morphological assignments. Our morphometric data and analyses do not support all of the results of previous morphometric studies. Instead we find that putatively named taxa from the Mediterranean coast (“antakyensis”, “anamurensis”, and “terrestris”) are not morphometrically distinct. On the other hand, some inland populations from eastern Turkey (“armeniaca” and “perses”) are morphometrically distinct as previously claimed. Tortoise populations from northern and southern Turkey, which may correspond to the ibera and terrestris mt clades, also appear to be morphometrically distinct. In this respect, the morphometric data reflects the emerging genetic pattern, although the picture is complicated by a lack of genetic sampling within Turkey and morphometric studies outside of Turkey.
Reproduction in neotropical Tropidurus lizards (Tropiduridae): evaluating the effect of environmental factors on T. torquatus
Authors: Martelotte Sandra , Rocha Carlos , Kiefer Mara Cíntia , Van Sluys Monique 
Published: May 2010

AbstractLizards exhibit a wide array of reproductive strategies. For tropical lizards, a single reproductive pattern is not evident, and the actual determinants of seasonality in reproduction remain unclear. Tropidurus torquatus is the most widely distributed species of the genus in Brazil and occurs in coastal and inland areas, and in islands off the Brazilian shore. In this study, we examine the reproductive cycle of T. torquatus at a coastal area in Rio de Janeiro State, southeastern Brazil. We analysed the reproductive cycle of T. torquatus from one coastal population to evaluate how reproduction is affected by local environmental factors (rainfall), and we also compared reproductive parameters of T. torquatus between two time periods (15 years apart) at the same locality. Tropidurus torquatus reproduces from the beginning of the dry season to the middle of the rainy season, even considering the two time periods. Reproductive season was similar between the coastal and inland populations suggesting that local environmental factors play a less important role in regulating the duration of the reproductive cycle of these lizards.
Phylogeography of Rhinella spinulosa (Anura: Bufonidae) in northern Chile
Authors: Pastenes Luis , Sallaberry Michel , Correa Claudio , Veloso Alberto , Méndez Marco 
Published: May 2010

AbstractThe southern part of the Altiplano of the Andes Range is characterized by a complex hydrography, due to an intense geologic activity and the effects of the Pleistocene glaciations. This has produced a high degree of diversity at the species level in some aquatic taxa (e.g., fish and amphibians), which suggests that these same processes have produced divergence at the intraspecific level in co-distributed taxa. We investigated the genetic variation in populations of the anuran Rhinella spinulosa which represent its entire distribution in the extreme north of Chile (17°44′S-23°47′S). Haplotype networks of the mitochondrial control region recognized two main lineages, one of which is distributed from the northern boundary of Chile to the Salar de Alconcha and the other from the Salar de Carcote to the locality of Tilomonte. The northern lineage showed little phylogeographic structure; a few very frequent haplotypes are widely distributed. The southern lineage had greater structure, due principally to the high divergence of the populations from the eastern springs of the Salar de Atacama. Fu's Fs test and the mismatch distributions suggested that most of the populations of both lineages are in the process of demographic expansion. The spatial distribution of the genetic variability was correlated with the hydrography and the paleoclimatological data available for the region, which suggested that geographic expansions followed by periods of contraction of population ranges, together with sporadic floods may explain the observed phylogeographic patterns.