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| Registros recuperados: 403 | |
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| Bezerra,Jadson Diogo Pereira; Felipe,Maria Tamara de Caldas; Paiva,Laura Mesquita; Magalhães,Oliane Maria Correia; Silva-Nogueira,Eliane Barbosa da; Silva,Gladstone Alves da; Souza-Motta,Cristina Maria de. |
| ABSTRACT Twenty-seven Tritirachium strains were present in the URM culture collection originally founded in Brazil by Augusto Chaves Batista. Fifteen freshly-prepared cultures were obtained from these original strains preserved under mineral oil. DNA was extracted for analysing phylogenetic relationships using the sequence information available from Tritirachium type materials and reference strains. Phylogenetic analysis using the internal transcribed spacer (ITS) ribosomal DNA sequences revealed that eight of these strains belong to the same clade as of T. oryzae and that the four other strains belong to the same clade as of T. candoliense. The strain URM 38, which was previously identified as “T. brumptii”, appeared to exist as a single lineage, related... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Basidiomycota; Brazilian fungi; Fungal preservation; Phylogeny; Taxonomy. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062020000200290 |
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| Konta,Sirinapa; Hyde,Kevin David; Eungwanichayapant,Prapassorn Damrongkool; Doilom,Mingkwan; Tennakoon,Danushka Sandaruwan; Senwanna,Chanokned; Boonmee,Saranyaphat. |
| ABSTRACT Thailand and other tropical regions have high fungal diversity. Our investigation and examination of microfungi on palms (Arecaceae) revealed two new ascomycetous species of Fissuroma. Fissuroma arengae and F. wallichiae spp. nov. are introduced using morphological and phylogenetic evidence. The novel species have coriaceous ascomata, cylindrical-clavate asci and ascospores with a distinct and thin mucilaginous sheath. Fissuroma arengae is similar to F. wallichiae but can be distinguished by minor morphology, host substrate and gene base-pair differences. Phylogenetic analyses of combined LSU, ITS, SSU, tef1-α and rpb2 sequence data showed that these strains grouped within Fissuroma, further confirming this genus as monophyletic. The two new... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Morphology; Palm fungi; Phylogeny; Thai fungi; Two novel taxa. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062020000200384 |
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| Oliveira,Bárbara Azevedo; Pereira,Anna Flora de Novaes; Pôrto,Kátia Cavalcanti; Maciel-Silva,Adaíses Simone. |
| ABSTRACT Notothylas vitalii is an endemic Brazilian hornwort species, easily identified by the absence of pseudoelaters and columella, and the presence of yellow spores. Plant material was collected in Recife, Brazil, and the spores were sown onto Knop’s medium, germinating after thirty days only with the presence of light. Germination occurred outside the exospore, and only after the walls had separated into three or four sections did a globose sporeling initiate its development. Following longitudinal and transversal divisions, the initial loose mass of cells became a thalloid gametophyte, subsequently developing into a rosette-like juvenile thallus with flattened lobes. Additional information concerning sporeling types in key genera of hornworts, such... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bryophytes; Exosporous germination; Phylogeny; Sporeling development; Yellow spores. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000200313 |
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| Deef, Lamiaa Elsayed Mokhtar. |
| This is the first study to detection the genetic relationship between Porphyrio alleni and four Rallidae species: Fulica atra, Gallinulla angulata, Gallinulla chloropus and Porphyrio porphyrio. Mitochondrial cytochrome oxidase subunit I (COI) sequences were used as an effective marker in this study. DNA of Rallidae species were extracted, amplified using polymerase chain reaction (PCR) and then sequenced. The results obtained from information based on COI sequences revealed that Gallinulla angulata and Gallinulla chloropus fall into two separate clades and they are not monophyletic. This suggests that, two moorhens could not be laid into the same genus. In addition, Porphyrio porphyrio was included in the same genus with Porphyrio alleni but they were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Birds; Gruiformes; PCR; Phylogeny; Sequencing; Species.. |
| Ano: 2018 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/37184 |
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| Fernicola,Juan Carlos. |
| En este trabajo se presenta una exhaustiva revisión de la sistemática de los gliptodontes, incluyendo las distintas clasificaciones e hipótesis filogenéticas propuestas desde el siglo XIX. De acuerdo a la clasificación vigente, formulada con carácter preliminar, se realizó un análisis cladístico, basado en 84 caracteres craneomandibulares, de los siguientes taxones: Glyptodontinae [Glyptodon], Doedicurinae [Doedicurus], Propalaehoplophorinae [Propalaehoplophorus y Eucinepeltus] y Hoplophorinae (=Sclerocalyptinae), Hoplophorini (=Sclerocalyptini) [Neosclerocalyptus (=Sclerocalyptus), Eosclerocalyptus y Hoplophractus] Plohophorini [Stromaphorus, Pseudoplohophorus y Plohophorus] Panochthini [Panochthus] y Lomaphorini [Urotherium]. Los resultados obtenidos... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glyptodontia; Systematic; Phylogeny; Classification; Glyptodontia; Sistemática; Filogenia; Clasificación. |
| Ano: 2008 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142008000300004 |
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| Silva,Hilda M. A; Gallo,Valéria. |
| Enchodontoidei are extinct marine teleost fishes with a long temporal range and a wide geographic distribution. As there has been no comprehensive phylogenetic study of this taxon, we performed a parsimony analysis using a data matrix with 87 characters, 31 terminal taxa for ingroup, and three taxa for outgroup. The analysis produced 93 equally parsimonious trees (L = 437 steps; CI = 0. 24; RI = 0. 49). The topology of the majority rule consensus tree was: (Sardinioides + Hemisaurida + (Nardorex + (Atolvorator + (Protostomias + Yabrudichthys ) + (Apateopholis + (Serrilepis + (Halec + Phylactocephalus ) + (Cimolichthys + (Prionolepis + ( (Eurypholis + Saurorhamphus ) + (Enchodus + (Paleolycus + Parenchodus ))))))) + ( (Ichthyotringa + Apateodus ) +... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aulopiformes; Enchodontoidei; Phylogeny; Taxonomy. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000200010 |
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| RIGA,BERNARDO J. GONZÁLEZ; LAMANNA,MATTHEW C.; OTERO,ALEJANDRO; DAVID,LEONARDO D. ORTIZ; KELLNER,ALEXANDER W.A.; IBIRICU,LUCIO M.. |
| Abstract: In the last two decades, the number of phylogenetically informative anatomical characters recognized in the appendicular skeleton of titanosaurian sauropod dinosaurs has increased dramatically with the discovery of new and comparatively complete specimens. Here we provide an overview of the appendicular skeletal morphology of South American titanosaurs and discuss its significance for phylogenetic reconstruction. The appendicular skeletal diversity of South American titanosaurs is substantially greater than was initially appreciated. Moreover, some regions of the appendicular skeleton, such as the pes, exhibit remarkable variability in form. Multiple synapomorphies of Titanosauria and the less inclusive clades Lithostrotia and Saltasauridae... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Titanosauria; South America; Appendicular skeleton; Osteology; Phylogeny; Colossosauria. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000400514 |
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| BUCHMANN,RICHARD; RODRIGUES,TAISSA. |
| Abstract: Pterosaurs possess skeletal pneumatization, which can be assessed externally through the observation of pneumatic foramina. These foramina vary in position, shape, and number among taxa. Here we propose new characters referring to the position and number of pneumatic foramina present in cervical and dorsal vertebrae of pterosaurs. A cladistic analysis was performed after first-hand study of material in collections and using data from the literature in order to test these new characters for homology, and they were subsequently mapped in a strict consensus tree. The analysis resulted in nine equally parsimonious trees with 215 steps each. The strict consensus tree obtained does not present significant differences in relation to trees obtained in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pterosauria; Phylogeny; Axial skeleton; Skeletal pneumatization. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000400601 |
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| SPINELLI,GUSTAVO R.; RONDEROS,MARÍA M.; DONATO,MARIANO; SIRI,AUGUSTO. |
| ABSTRACT A new monotypic genus and species of predaceous midge from the southernmost area of the Argentinean Yungas, Yungahelea australis Spinelli and Ronderos, is described and illustrated from male and female adults. It belongs to a group containing the Ceratopogonini genera Parabezzia Malloch, Diaphanobezzia Ingram and Macfie, Spinellihelea Borkent, Grogan and Picado, Leptohelea Wirth and Blanton, and Fittkauhelea Wirth and Blanton. Phylogenetic interpretation indicates that Yungahelea is the sister group of Spinellihelea or the clade composed by Parabezzia and Diaphanobezzia. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diptera; Ceratopogonidae; Yungas; New genus; Phylogeny. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000100137 |
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| CUEZZO,MARÍA GABRIELA; LIMA,AUGUSTO P. DE; SANTOS,SONIA B. DOS. |
| Abstract A detailed anatomical revision on Solaropsis brasiliana (Deshayes 1832) has been carried out. New characters on shell, anatomy of soft parts, and a review of the genus distribution in South America, as well as clarification on S. brasiliana distributional area are provided in the present study. Solaropsis brasiliana is diagnosed by its globose, solid, and hirsute shell, with periphery obsoletely angular, bursa copulatrix with a thick, long diverticulum, a thick, long flagellum and a penis retractor muscle forked, with the vas deferens passing through it. This compiled information was used to test the phylogenetic position of S. brasiliana within South American Pleurodontidae through a cladistics analysis. In the phylogenetic hypothesis obtained,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brazil; Distribution; Morphology; Phylogeny; Taxonomy. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000602753 |
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| MARTINS,SHIRLEY; ALVES,MARCCUS; SCATENA,VERA L.. |
| ABSTRACT Cyperaceae is an angiosperm family with the greatest diversity of species with Kranz anatomy. Four different types of Kranz anatomy (chlorocyperoid, eleocharoid, fimbristyloid and rhynchosporoid) have been described for this angiosperm family, and the occurrence and structural characteristics of these types are important to trace evolutionary hypotheses. The purpose of this study was to examine the available data on Cyperaceae Kranz anatomy, emphasizing taxonomy, geographic distribution, habitat and anatomy, to infer the potential origin of the Kranz anatomy in this family. The results showed that the four types of Kranz anatomy (associated with C4 photosynthesis) in Cyperaceae emerged numerous times in unrelated phylogenetic groups. However, the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Anatomy; Ultrastructure; Taxonomy; Phylogeny; Cyperaceae. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000502177 |
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| Santos,A.S.; Lima,D.C.V.; Fernandes,E.F.T.S.; Albuquerque,P.P.F.; Gouveia,G.V.; Sá,M.C.A.; Costa,M.M.; Pinheiro Júnior,J.W.; Mota,R.A.. |
| ABSTRACT Enteric diseases of bacterial origin are frequent in the pig industry, of particular notoriety are the colibacillosis that mainly affect piglets and cause great damage to the swine industry worldwide. The aim of the study was to analyze phylogenetics, to detect biofilm production, and to determine antimicrobial resistance profile in 126 strains of Escherichia coli isolated from swabs obtained from fragments of the small intestines of 235 healthy pigs killed in slaughterhouses in Pernambuco (Brazil) using polymerase chain reaction (PCR), adherence to microplates test and disc diffusion technique. Of the analyzed samples, 88.10% (111/126) were classified in phylogenetic group B1; 4.76% (6/126) in group D; 3.97% (5/126) in group B2 and, 3.17% (4/126)... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pig industry; Colibacillosis; Phylogeny; Antibiogram; Multi-resistance. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000401309 |
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| Sanches,E.M.C; Ferreiro,L; Borba,M.R; Spanamberg,A; Ravazzolo,A.P; Santurio,J.M; Driemeir,D; Barcellos,D.E.S.N; Berthelemy,M; Guillot,J. |
| The Pneumocystis genus is comprised of pathogens dwelling in the lungs of terrestrial, aerial, and aquatic mammals. Occasionally they induce severe pneumonitis, particularly in hosts with severe impairment of the immune system and progressively may fill pulmonary alveolar cavities causing respiratory failure. Molecular genetic studies revealed that Pneumocystis gene sequences present a marked divergence with the host species concerned. In the present study, the genetic diversity of Pneumocystis obtained from lungs of swines was examined by analyzing mitochondrial large subunit (mtLSU) and small subunit (mtSSU) rRNA sequences. The samples were obtained from two slaughterhouses located in two Brazilian states. Phylogenetic analysis demonstrated that genetic... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Swine; Pneumocystis; Phylogeny; Mitochondrial large subunit; Small subunit; RRNA. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352011000500016 |
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| Registros recuperados: 403 | |
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