Drosophila melanogaster belongs to a closely related group of eight species collectively known as the melanogaster subgroup; all are native to sub-Saharan Africa and islands off the east coast of Africa. The phylogenetic relationships of most species in this subgroup have been well documented; however, the three most closely related species, D. simulans, D. sechellia, and D. mauritiana, have re...

Abstract The lichenicolous ‘heterobasidiomycetes’ belong in the Tremellomycetes (Agaricomycotina) and Pucciniomycotina. In this paper, we provide an introduction review of these taxa, focusing on recent studies novelties their classification, phylogeny evolution. Lichen-inhabiting fungi Pucciniomycotina are represented by only a small number species included genera Chionosphaera , Cyphobasidium...

Insertions and deletions are responsible for gaps in aligned nucleotide sequences, but they have been usually ignored when the number of nucleotide substitutions was estimated. We compared six sets of nuclear and mitochondrial noncoding DNA sequences of primates and obtained the estimates of the evolutionary rate of insertion and deletion. The maximum-parsimony principle was applied to locate i...

background: feline hemotropic mycoplasmas are parasites of erythrocytes and include three species, mycoplasma haemofelis, candidatus mycoplasma haemominutum and candidatus mycoplasma turicensis. diagnosis of the infection with these microorganisms can be carried out using conventional assays such as blood cytology. however, these assays have a low accuracy and a high rate of false-positive resu...

The present study demonstrates a reinvestigation of the mitochondrial DNA sequence heteroplasmy, which was previously found by the use of nested polymerase chain reaction (PCR) technique in single hairs of 13 individuals. The direct PCR approach was used for the amplification of mitochondrial DNA and a phylogenetic analysis was applied to both data sets for the verification of the authenticity ...

Molecular markers, mainly DNA-based are potential tools for DNA barcoding and phylogenetic study. The plant species belonging to the Nepeta genus have important medicinal value because of the presence of nepetalactones, and they have been used to treat human diseases. We amplified nuclear and chloroplast gene loci to develop a DNA barcode and phylogenetic study of Nepeta deflersiana. Among the ...

DNA polymerase III is one of the five eubacterial DNA polymerases that is responsible for the replication of DNA duplex. Among the ten subunits of the DNA polymerase III core enzyme, the alpha subunit catalyzes the reaction for polymerizing both DNA strands. In this study, we extracted genomic sequences of the alpha subunit from 159 sequenced eubacterial genomes, and carried out sequence-based ...