Positive selection, molecular recombination structure and phylogenetic reconstruction of members of the family Tombusviridae: Implication in virus taxonomy.

abstract：:Phylogenetic niche conservatism can be investigated at multiple scales on an explicit geographical context. Haplotype-based comparative analyses of lineages occupying the same region, and thus subjected to similar environmental factors, allow decoupling shared evolutionary and ecological patterns, as well as multiple ...

journal_title：Genetics and molecular biology

authors： Barros MJF,Silva-Arias GA,Segatto ALA,Reck-Kortmann M,Fregonezi JN,Diniz-Filho JAF,Freitas LB

更新日期：2020-04-27 00:00:00

abstract：:More than 90% of birds are socially monogamous, although genetic studies indicate that many are often not sexually monogamous. In the present study, DNA fingerprinting was used to estimate the genetic relationships between nestlings belonging to the same broods to evaluate the mating system in the socially monogamous ...

journal_title：Genetics and molecular biology

authors： Caparroz R,Miyaki CY,Baker AJ

更新日期：2011-01-01 00:00:00

abstract：:Topoisomerase II inhibitors are effective chemotherapeutic agents in the treatment of cancer, in spite of being associated with the development of secondary leukemia. Our purpose was to determine the effects of etoposide on different genomic regions, aiming at discovering whether there are preferential sites which can...

journal_title：Genetics and molecular biology

authors： Brassesco MS,Montaldi AP,Sakamoto-Hojo ET

更新日期：2009-01-01 00:00:00

abstract：:Trypoxylon is a genus of solitary crabronid wasps whose population genetics is poorly known. The purpose of the present study was to investigate the genetic variation and differentiation among five populations of Trypoxylon albitarse, a species widely distributed throughout the Neotropics, with records from Panama to ...

journal_title：Genetics and molecular biology

authors： Bergamaschi AC,Lama MA

更新日期：2015-12-01 00:00:00

abstract：:Characterization of all chromosomes of the Andean G19833 bean genotype was carried out by fluorescent in situ hybridization. Eleven single-copy genomic sequences, one for each chromosome, two BACs containing subtelomeric and pericentromeric repeats and the 5S and 45S ribosomal DNA (rDNA) were used as probes. Compariso...

journal_title：Genetics and molecular biology

authors： Altrock S,Fonsêca A,Pedrosa-Harand A

更新日期：2011-07-01 00:00:00

abstract：:Seven polymorphic microsatellite loci were isolated and characterized for the snakehead murrel, Channa striata (Channidae), a valuable tropical freshwater fish species. Among 25 specimens collected from Kedah state in Malaysia, the number of alleles per locus ranged from 2 to 7. Observed and expected heterozygosities ...

journal_title：Genetics and molecular biology

authors： Jamsari AF,Min-Pau T,Siti-Azizah MN

更新日期：2011-04-01 00:00:00

abstract：:The aim of the present study was to investigate the association between HPV-DNA and micronucleus (MN) frequency in women with normal cervical cytology. A total of 158 normal cervical smears were analyzed cytologically. The HPV genome was amplified using the GP5+/bioGP6+ consensus primers. HPV-DNA of high-risk types 16...

journal_title：Genetics and molecular biology

authors： Cassel AP,Barcellos RB,da Silva CM,de Matos Almeida SE,Rossetti ML

更新日期：2014-06-01 00:00:00

abstract：:Epidermal growth factor (EGF), a multifunctional growth factor, is a regulator in a wide variety of physiological processes. EGF plays an important role in the regulation of liver regeneration. This study was aimed at investigating the methylation level of EGF gene throughout liver regeneration. DNA of liver tissue fr...

journal_title：Genetics and molecular biology

authors： Li D,Fan J,Li Z,Xu C

更新日期：2014-06-01 00:00:00

abstract：:Blood methylated cell-free DNA (cfDNA) as a minimally invasive cancer biomarker has great importance in cancer management. Guanylate binding protein 2 (GBP2) has been considered as a possible controlling factor in tumor development. GBP2 gene expression and its promoter methylation status in both plasma cfDNA and tumo...

journal_title：Genetics and molecular biology

authors： Rahvar F,Salimi M,Mozdarani H

更新日期：2020-11-17 00:00:00

abstract：:Breast cancer (BC) is the most prevalent type worldwide, besides being one of the most common causes of death among women. It has been suggested that sporadic BC is most likely caused by low-penetrance genes, including those involved in DNA repair mechanisms. Furthermore, the accumulation of DNA damage may contribute ...

journal_title：Genetics and molecular biology

authors： Santos RA,Teixeira AC,Mayorano MB,Carrara HH,Andrade JM,Takahashi CS

更新日期：2010-10-01 00:00:00

abstract：:Heat shock (HS) leads to the activation of molecular mechanisms, known as HS-response, that prevent damage and enhance survival under stress. Plants have a flexible and specialized network of Heat Shock Factors (HSFs), which are transcription factors that induce the expression of heat shock proteins. The present work ...

journal_title：Genetics and molecular biology

authors： Soares-Cavalcanti NM,Belarmino LC,Kido EA,Pandolfi V,Marcelino-Guimarães FC,Rodrigues FA,Pereira GA,Benko-Iseppon AM

更新日期：2012-06-01 00:00:00

abstract：:The antitumorigenic potential of two palladium(II) complexes, [Pd(ca(2)-o-phen)Cl(2)] - C1 and [Pd(dmba)(dppp)Cl] - C2, was evaluated, using MDA-MB-435 cells, a human breast adenocarcinoma cell-line that does not express the estrogen receptor α (ER-). Growth inhibition and induced alterations in cell-morphology were a...

journal_title：Genetics and molecular biology

authors： Campanella NC,da Silva Demartini M,Torres C,de Almeida ET,Gouvêa CM

更新日期：2012-01-01 00:00:00

abstract：:Hereditary Sensory and Autonomic Neuropathies (HSANs) compose a heterogeneous group of genetic disorders characterized by sensory and autonomic dysfunctions. Familial Dysautonomia (FD), also known as HSAN III, is an autosomal recessive disorder that affects 1/3,600 live births in the Ashkenazi Jewish population. The m...

journal_title：Genetics and molecular biology

authors： Dietrich P,Dragatsis I

更新日期：2016-10-01 00:00:00

abstract：:Tabebuia sp. is native to tropical rain forests throughout Central and South America. Although the biological and pharmacological effects of bark extracts have been intensely studied, little is known on the extract obtained from the flower. Herein, the genotoxic potential of a flower extract from T. impetiginosa ("ipê...

journal_title：Genetics and molecular biology

authors： Lemos OA,Sanches JC,Silva IE,Silva ML,Vinhólis AH,Felix MA,Santos RA,Cecchi AO

更新日期：2012-04-01 00:00:00

abstract：:Indica and japonica are two main subspecies of Asian cultivated rice (Oryza sativa L.) that differ clearly in morphological and agronomic traits, in physiological and biochemical characteristics and in their genomic structure. However, the proteins and genes responsible for these differences remain poorly characterize...

journal_title：Genetics and molecular biology

authors： Yang Y,Zhu K,Xia H,Chen L,Chen K

更新日期：2014-10-01 00:00:00

abstract：:Rhagomys rufescens (Rodentia: Sigmodontinae) is an endemic species of the Atlantic forest from Southern and Southeastern Brazil. Some authors consider Rhagomys as part of the tribe Thomasomyini; but its phylogenetic relationships remain unclear. Chromosomal studies on eight specimens of Rhagomys rufescens revealed a d...

journal_title：Genetics and molecular biology

authors： Testoni AF,Althoff SL,Nascimento AP,Steiner-Souza F,Sbalqueiro IJ

更新日期：2010-07-01 00:00:00

abstract：:In order to understand the genetic ancestry and mitochondrial DNA (mtDNA) diversity of current Colombian horse breeds we sequenced a 364-bp fragment of the mitocondrial DNA D-loop in 116 animals belonging to five Spanish horse breeds and the Colombian Paso Fino and Colombian Creole cattle horse breeds. Among Colombian...

journal_title：Genetics and molecular biology

authors： Jimenez LM,Mendez S,Dunner S,Cañón J,Cortés O

更新日期：2012-12-01 00:00:00

abstract：:We determined the polymorphism C242T of the aromatase gene (Cyp19) and its allelic frequency, as well as the effect of the variants on productive and reproductive traits in 71 purebred Santa Inês sheep, 13 purebred Brazilian Somali sheep, nine purebred Poll Dorset sheep, and 18 crossbred 1/2 Dorper sheep. The animals ...

journal_title：Genetics and molecular biology

authors： Lôbo AM,Lôbo RN,Paiva SR

更新日期：2009-07-01 00:00:00

abstract：:Molecular genetic research relies heavily on the ability to detect polymorphisms in DNA. Single nucleotide polymorphisms (SNPs) are the most frequent form of DNA variation in the genome. In combination with a PCR assay, the corresponding SNP can be analyzed as a derived cleaved amplified polymorphic sequence (dCAPS) m...

journal_title：Genetics and molecular biology

authors： Shahinnia F,Sayed-Tabatabaei BE

更新日期：2009-07-01 00:00:00

abstract：:The major histocompatibility complex (MHC) is one of the biological systems of major polymorphisms. The study of HLA class II variability has allowed the identification of several alleles that are characteristic to Amerindian populations, and it is an excellent tool to define the relations and biological affinities am...

journal_title：Genetics and molecular biology

authors： Parolín ML,Carnese FR

更新日期：2009-04-01 00:00:00

abstract：:Population genetics studies the distributions and changes in population allele frequencies in response to processes, such as mutation, natural selection, gene flow, and genetic drift. Researchers daily manage genetic, biological, and environmental data of the samples, storing them in text files or spreadsheets, which ...

journal_title：Genetics and molecular biology

authors： Elias DE,Rueda ECR

更新日期：2020-05-29 00:00:00

abstract：:The aim of this study was to evaluate the impact and mechanism of co-blocking of costimulatory signals CD28-B7-CD40-CD40L during immune allograft rejection. Forty-eight recipient rabbits were prepared as a high-risk corneal allograft model. After surgery, the animals were randomly divided into: control group, MR1 grou...

journal_title：Genetics and molecular biology

authors： Zhao HX,Li XY,Guan WY,Han XT

更新日期：2019-04-01 00:00:00

abstract：:Phylogenetic species of Paracoccidioides brasiliensis complex (S1a and S1b, PS2, PS3, and PS4) and Paracoccidioides lutzii are agents of paracoccidioidomycosis, an endemic fungal disease in Latin America. P. restrepiensis (PS3 genotype) was classified as monophyletic and geographically restricted to Colombia and neigh...

journal_title：Genetics and molecular biology

authors： Cocio TA,Nascimento E,Kress MRVZ,Bagagli E,Martinez R

更新日期：2020-05-29 00:00:00

abstract：:Exercise is a double-edged sword: when practiced in moderation, it increases the expression of antioxidant enzymes, but when practiced strenuously it causes oxidative stress and cell damage. In this context, polymorphisms in the interleukin (IL)-6 gene should be investigated better because they can influence performan...

journal_title：Genetics and molecular biology

authors： Miranda-Vilela AL,Ribeiro IF,Grisolia CK

更新日期：2016-10-01 00:00:00

abstract：:Alcohol dehydrogenases belong to the large superfamily of medium-chain dehydrogenases/reductases, which occur throughout the biological world and are involved with many important metabolic routes. We considered the phylogeny of 190 ADH sequences of animals, fungi, and plants. Non-class III Caenorhabditis elegans ADHs ...

journal_title：Genetics and molecular biology

authors： Thompson CE,Freitas LB,Salzano FM

更新日期：2018-01-01 00:00:00

abstract：:We genotyped 15 microsatellite loci in order to evaluate the effects of habitat fragmentation, caused by flooding of the Tucuruí reservoir, on the genetic structure of Alouatta belzebul in eastern Amazonia. The analysis included two populations sampled in 1984, representing both margins of the Tocantins river, and thr...

journal_title：Genetics and molecular biology

authors： Bastos HB,Gonçalves EC,Ferrari SF,Silva A,Schneider MP

更新日期：2010-10-01 00:00:00

abstract：:In this study, we investigated the influence of two SNPs (rs846910 and rs12086634) of the HSD11B1 gene that encodes 11β-hydroxysteroid dehydrogenase type 1(11β-HSD1), the enzyme that catalyzes the conversion of cortisol to cortisone, on variables associated with obesity and metabolic syndrome in 215 individuals of bot...

journal_title：Genetics and molecular biology

authors： Turek LV,Leite N,Rodrigues Souza RL,Lima JK,Milano GE,Timossi Lda S,Osiecki AC,Osiecki R,Alle LF

更新日期：2014-09-01 00:00:00

abstract：:For a study of diversity and genetic structuring in Melipona quadrifasciata, 61 colonies were collected in eight locations in the state of Minas Gerais, Brazil. By means of PCR analysis, 119 ISSR bands were obtained, 80 (68%) being polymorphic. H(e) and H (B) were 0.20 and 0.16, respectively. Two large groups were obt...

journal_title：Genetics and molecular biology

authors： Nascimento MA,Batalha-Filho H,Waldschmidt AM,Tavares MG,Campos LA,Salomão TM

更新日期：2010-04-01 00:00:00

abstract：:Tandem repeats (microsatellites or SSRs) are molecular markers with great potential for plant genetic studies. Modern strategies include the transfer of these markers among widely studied and orphan species. In silico analyses allow for studying distribution patterns of microsatellites and predicting which motifs woul...

journal_title：Genetics and molecular biology

authors： da Maia LC,de Souza VQ,Kopp MM,de Carvalho FI,de Oliveira AC

更新日期：2009-10-01 00:00:00

abstract：:Genetic variation was estimated in ten samples populations of Aedes aegypti from the Brazilian Amazon, by using a 380 bp fragment of the mitochocondrial NADH dehydrogenase subunit 4 (ND4) gene. A total of 123 individuals were analyzed, whereby 13 haplotypes were found. Mean genetic diversity was slightly high (h = 0.6...

journal_title：Genetics and molecular biology

authors： Lima RS Jr,Scarpassa VM

更新日期：2009-04-01 00:00:00