Consulta: subjectFacets:"Control region"
Registros recuperados: 15
Data/hora: 02/06/2024 04:32:27

The complete mitochondrial genome sequence of the black-capped capuchin (Cebus apella)
Provedor de dados: Genetics and Molecular Biology
Autores: Bi,Xiao-xin; Huang,Ling; Jing,Mei-dong; Zhang,Li; Feng,Pei-yong; Wang,Ai-yun.
The phylogenetic relationships of primates have been extensively investigated, but key issues remain unresolved. Complete mitochondrial genome (mitogenome) data have many advantages in phylogenetic analyses, but such data are available for only 46 primate species. In this work, we determined the complete mitogenome sequence of the black-capped capuchin (Cebus apella). The genome was 16,538 bp in size and consisted of 13 protein-coding genes, 22 tRNAs, two rRNAs and a control region. The genome organization, nucleotide composition and codon usage did not differ significantly from those of other primates. The control region contained several distinct repeat motifs, including a putative termination-associated sequence (TAS) and several conserved sequence...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cebus apella; Control region; Mitochondrial genome; Phylogenomics.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572012000300023

Variation in the mitochondrial control region sequence between the two maternal lines of the Sorraia horse breed
Provedor de dados: Genetics and Molecular Biology
Autores: Luís,Cristina; Bastos-Silveira,Cristiane; Cothran,E.Gus; Oom,M. Mar.
The mitochondrial control region sequence was compared between the two surviving matrilineal lineages of the Sorraia horse. Two haplotypes were found, showing three differences between them. The reduced number of surviving maternal lineages emphasizes the importance of establishing a conservation plan for this endangered breed.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sorraia horse; Mitochondrial DNA; Maternal lineages; Control region.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572002000300010

Inclusion of South American samples reveals new population structuring of the blacktip shark (Carcharhinus limbatus) in the western Atlantic
Provedor de dados: Genetics and Molecular Biology
Autores: Sodré,Davidson; Rodrigues-Filho,Luis F.S.; Souza,Rosália F.C.; Rêgo,Péricles S.; Schneider,Horacio; Sampaio,Iracilda; Vallinoto,Marcelo.
Carcharhinus limbatus has a cosmopolitan distribution and marked genetic structuring, mainly because of its philopatric behavior. However, analysis of this structuring has not previously included South American populations. In the present study, we analyzed a sample of adult individuals collected on the northern coast of Brazil and compared the sequences of the mitochondrial control region with those of populations already genotyped. Relatively high haplotype diversity (12 haplotypes, genetic diversity of 0.796) was observed, similar to that in other populations but with a much larger number of private alleles. In contrast to populations studied previously, which were represented by neonates, the pronounced allelic variability found in the South American...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carcharhinus limbatus; Control region; Fishery stocks; Mitochondrial DNA; Population genetics.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572012000500008

Complete sequence and organization of the mitochondrial genome of Cyclemys atripons (Testudines, Geoemydidae)
Provedor de dados: Genetics and Molecular Biology
Autores: Zhang,Li; Nie,Liu-wang; Zhang,Ying; Rui,Jin-long; Zhang,Yan-yun.
The Black Bridged Leaf Turtle, Cyclemys atripons (Testudines; Cryptodira; Geoemydidae), is a poorly known species within the genus Cyclemys. We determined the complete nucleotide sequence of the Cyclemys atripons mitochondrial genome (mtDNA) and found it to be 16,500 base pairs (bp) in length, with the genome organization, gene order and base composition being identical to that of the typical vertebrate. However, unlike for most turtle mtDNA so far reported, an extra base was not found in the NADH3 gene. The C. atripons control region of mtDNA was 981 bp long. Comparisons with three other geoemydids showed that the C. atripons control region contained a highly variable region at the 3' end composed of AT enriched tandem repeats containing a fifteen-unit...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Control region; Cyclemys atripons; Mitochondrial genome; Tandem repeats.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572008000400027

Identification of Astyanax altiparanae (Teleostei, Characidae) in the Iguaçu River, Brazil, based on mitochondrial DNA and RAPD markers
Provedor de dados: Genetics and Molecular Biology
Autores: Prioli,Sônia M.A.P.; Prioli,Alberto J.; Júlio Jr.,Horácio F.; Pavanelli,Carla S.; Oliveira,Alessandra V. de; Carrer,Helaine; Carraro,Dirce M.; Prioli,Laudenir M.
Astyanax fishes are among the most important food-web components of South America rivers. In the Iguaçu River basin, the Astyanax genus is represented mainly by endemic species. For millions of years, that hydrographic basin has been geographically isolated from the Paraná River basin by the Iguaçu Falls. Recently, a species from the Upper Paraná River basin identified as Astyanax bimaculatus was revised and described as a new species named Astyanax altiparanae Garutti &amp;amp; Britski, 2000. Fauna endemism and geographic isolation triggered interest in investigations to evaluate the identification and genetic relatedness among two A. altiparanae populations from the Upper Paraná River basin and the population identified as A. bimaculatus in the Iguaçu...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Astyanax; Fish; D-loop; Control region; Mitochondrial DNA; RAPD.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572002000400011

Comparative mitogenomic analyses of Amazona parrots and Psittaciformes
Provedor de dados: Genetics and Molecular Biology
Autores: Lima,Nicholas Costa Barroso; Soares,André Elias Rodrigues; Almeida,Luiz Gonzaga de Paula; Costa,Igor Rodrigues da; Sato,Fernanda Midori; Schneider,Patricia; Aleixo,Alexandre; Schneider,Maria Paula; Santos,Fabrício R.; Mello,Claudio V.; Miyaki,Cristina; Vasconcelos,Ana Tereza R.; Prosdocimi,Francisco.
Abstract Amazon parrots are long-lived birds with highly developed cognitive skills, including vocal learning. Several parrot mitogenomes have been sequenced, but important aspects of their organization and evolution are not fully understood or have limited experimental support. The main aim of the present study was to describe the mitogenome of the blue-fronted Amazon, Amazona aestiva, and compare it to other mitogenomes from the genus Amazona and the order Psittaciformes. We observed that mitogenomes are highly conserved among Amazon parrots, and a detailed analysis of their duplicated control regions revealed conserved blocks. Population level analyses indicated that the specimen analyzed here seems to be close to A. aestiva individuals from Bahia...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Next-generation-sequencing; Psittacidae; Mitogenomics; Control region.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572018000400593

Genetic characterisation of populations of the critically endangered Goliath grouper ( Epinephelus itajara,  Serranidae) from the Northern Brazilian coast through analyses of mtDNA
Provedor de dados: Genetics and Molecular Biology
Autores: Silva-Oliveira,Gláucia C.; Rêgo,Péricles S. do; Schneider,Horacio; Sampaio,Iracilda; Vallinoto,Marcelo.
The Goliath grouper ( Epinephelus itajara ) is one of the most endangered species of fish of the subfamily Epinephelinae. Slow to develop and mature, and dependent on mangrove habitats for breeding, the species also suffers intense harvesting, which has reduced drastically in numbers in many areas. To contribute to the understanding of the characteristics of  E. itajara  populations, we conducted a molecular genetics study of the species, focusing on populations from the Northern Brazilian coast. The mtDNA control region (D-loop) of 116 individuals from five localities (Bragança, Ajuruteua, Parnaíba, Fortaleza and Natal) was analysed, and a sequence of 499 base pairs identified. Analyses of the sequences indicated that genetic variability was generally...
Palavras-chave: Goliath grouper; Epinephelus itajara; Control region; MtDNA; Population genetics.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572008000500029

The complete mitochondrial genome of the small yellow croaker and partitioned Bayesian analysis of Sciaenidae fish phylogeny
Provedor de dados: Genetics and Molecular Biology
Autores: Cheng,Yuanzhi; Wang,Rixin; Sun,Yuena; Xu,Tianjun.
To understand the phylogenetic position of Larimichthys polyactis within the family Sciaenidae and the phylogeny of this family, the organization of the mitochondrial genome of small yellow croaker was determined herein. The complete, 16,470 bp long, mitochondrial genome contains 37 mitochondrial genes (13 protein-coding, 2 ribosomal RNA and 22 transfer RNA genes), as well as a control region (CR), as in other bony fishes. Comparative analysis of initiation/termination codon usage in mitochondrial protein-coding genes of Percoidei species, indicated that COI in Sciaenidae entails an ATG/AGA codon usage different from other Percoidei fishes, where absence of a typical conserved domain or motif in the control regions is common. Partitioned Bayesian analysis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Larimichthys polyactis; Mitochondrial genome; Control region; Partitioned Bayesian analysis; Sciaenidae.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572012000100027

Isolation and characterization of eight microsatellite loci from Galeocerdo cuvier (tiger shark) and cross-amplification in Carcharhinus leucas, Carcharhinus brevipinna, Carcharhinus plumbeus and Sphyrna lewini
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Pirog, Agathe; Jaquemet, Sebastien; Blaison, Antonin; Soria, Marc; Magalon, Helene.
The tiger shark Galeocerdo cuvier (Carcharhinidae) is a large elasmobranch suspected to have, as other apex predators, a keystone function in marine ecosystems and is currently considered Near Threatened (Red list IUCN). Knowledge on its ecology, which is crucial to design proper conservation and management plans, is very scarce. Here we describe the isolation of eight polymorphic microsatellite loci using 454 GS-FLX Titanium pyrosequencing of enriched DNA libraries. Their characteristics were tested on a population of tiger shark (n = 101) from Reunion Island (South-Western Indian Ocean). All loci were polymorphic with a number of alleles ranging from two to eight. No null alleles were detected and no linkage disequilibrium was detected after Bonferroni...
Tipo: Text
Palavras-chave: Carcharhiniform; Microsatellites; Control region; Population Genetics.
Ano: 2016
URL: https://archimer.ifremer.fr/doc/00626/73769/74405.pdf

Phylogeography of the green turtle, Chelonia mydas, in the Southwest Indian Ocean
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Bourjea, Jerome; Lapegue, Sylvie; Gagnevin, L; Broderick, D; Mortimer, J.a.; Ciccione, S; Roos, David; Taquet, Coralie; Grizel, Henri.
Patterns of mitochondrial DNA (mtDNA) variation were used to analyse the population genetic structure of southwestern Indian Ocean green turtle (Chelonia mydas) populations. Analysis of sequence variation over 396 bp of the mtDNA control region revealed seven haplotypes among 288 individuals from 10 nesting sites in the Southwest Indian Ocean. This is the first time that Atlantic Ocean haplotypes have been recorded among any Indo-Pacific nesting populations. Previous studies indicated that the Cape of Good Hope was a major biogeographical barrier between the Atlantic and Indian Oceans because evidence for gene flow in the last 1.5 million years has yet to emerge. This study, by sampling localities adjacent to this barrier, demonstrates that recent gene...
Tipo: Text
Palavras-chave: Phylogeography; Mozambique Channel; Mitochondrial DNA; Indian Ocean; Control region; Chelonia mydas.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-2185.pdf

The most important fishery resource in the Amazon, the migratory catfish Brachyplatystoma vaillantii (Siluriformes: Pimelodidae), is composed by an unique and genetically diverse population in the Solimões-Amazonas River System
Provedor de dados: Neotropical Ichthyology
Autores: Formiga,Kyara Martins; Batista,Jacqueline da Silva; Alves-Gomes,José Antônio.
ABSTRACT The migratory catfish Brachyplatystoma vaillantii is one of the most important fishery resources in the Amazon. Intense capture occurs associated to its life cycle. In order to know the genetic status, we sequenced the mitochondrial DNA control region from 150 individuals of B. vaillantii, collected in five fishing landing locations, covering the length of the Solimões-Amazonas River in Brazil. Genetic diversity parameters suggest there is no genetic differentiation between the five localities. Population’s expansion indicated by R  2 and Fu’s Fs tests was also confirmed by the high number of unique haplotypes found. The Analyses of molecular variance indicated that nearly all variability was contained within locations (99.86%), and estimates of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Control region; Fishery resources; MtDNA; Piramutaba; Population genetics.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252021000100213

Phylogeographic pattern of Jenynsia multidentata(Cyprinodontiformes: Anablepidae) in the southern boundary of the Brazilian Subregion, Argentina
Provedor de dados: Neotropical Ichthyology
Autores: Bruno,María Cecilia; Casciotta,Jorge Rafael; Almirón,Adriana Edith; Lizarralde,Marta Susana.
The Atlantic drainage basins are located in the southern Pampean area, in the southernmost part of the Brazilian subregion. Tectonic and paleoclimatic phenomena, occurring during the Quaternary, have currently isolated these basins from the present hydrographic system. Their ichthyofaunal composition is similar to that of hydric systems located further northward. Jenynsia multidentata is a species with wide distribution in the Atlantic drainage basins, as well as in those Northern basins. Here we investigated the phylogeographic pattern of Jenynsia multidentataand analyzed its relationships with the paleoclimatic and geologic history of the region. The analysis of the population's assemblage showed moderate genetic diversity, demographic equilibrium and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Control region; Genetic structure; Ichthyofauna; Phylogeography; Southern Pampean area.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000300477

Organization and variation of mitochondrial DNA control region in pleurodiran turtles
Provedor de dados: Revista Brasileira de Zoologia
Autores: Wang,Ling; Zhou,Xuming; Nie,Liuwang.
Three complete mitochondrial DNA (mtDNA) control regions (CRs) of Chelodina rugosa (Ogilby, 1890), Chelus fimbriata (Schneider, 1783), and Podocnemis unifilis (Troschel, 1848) were firstly determined using Long-PCR method and the length were 1,016 bp, 1,149 bp, and 985bp, respectively. Together with CRs of Pelomedusa subrufa (Bonnaterre, 1789) and nearly complete CR of Podocnemis expansa (Schweigger, 1812) obtained from GenBank, the structural and evolutionary characteristics of mtDNA CRs in pleurodiran turtle were analyzed in this study. We identified three functional domains (TAS, CD, and CSB domains) as well as their conservation sequences (TAS, CSB-F, and CSB-1) according to their homology to those of other turtles. Within the TAS domain, an...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Control region; CSB; Mitochondrial DNA; Molecular evolution; Pleurodira.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400011

A hybrid zone of two toad sister species, Rhinella atacamensis and R. arunco (Anura: Bufonidae), defined by a consistent altitudinal segregation in watersheds
Provedor de dados: Revista Chilena de Historia Natural
Autores: CORREA,CLAUDIO; MÉNDEZ,MARCO A; ARAYA,SERGIO; LOBOS,GABRIEL; PALMA,R. EDUARDO.
Delimiting the spatial extension of a hybrid zone is essential to understand its historical origin and to identify the geographical and/or environmental factors which delimit it. Rhinella atacamensis and R. arunco are two sister species which together inhabit Chile between 25° and 38° S. Their distribution limits coincide at about 32° S, where recently it was reported that they hybridize in a small watershed (Pupío creek). Although the genetic evidence suggests that these two species form a hybrid swarm, they are not mixed homogeneously in the entire watershed, but rather are spatially segregated: R. arunco is found in the lower part of the creek and R. atacamensis in the higher part. An extensive exploration north and south of 32° S revealed other...
Tipo: Journal article
Palavras-chave: AFLP markers; Chile; Control region; Hybridization; Toads.
Ano: 2013
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2013000200001

Population Structure of Lutjanus purpureus (Lutjanidae - Perciformes) on the Brazilian coast: further existence evidence of a single species of red snapper in the western Atlantic
Provedor de dados: Anais da Academia Brasileira de Ciências
Autores: Gomes,Grazielle; Sampaio,Iracilda; Schneider,Horacio.
The present study focus on the mitochondrial control region to investigate phylogeographic patterns and population structure in Lutjanus purpureus, and to evaluate the genetic similarity between L. purpureus and L. campechanus. For the initial analysis, 810 base pairs sequence from control region were obtained from 239 specimens of L. purpureus collected from four localities off the Brazilian coast. The results revealed the presence of a single panmictic population characterized by high values of genetic diversity. The 299 base pairs hypervariable portion were used for the combined analysis of L. purpureus and L. campechanus, being 275 haplotypes identified in the 414 specimens. Phylogenetic tree and haplotype network did not indicate phylogeographic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Control region; Lutjanus purpureus.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000400013