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The difficult reconstruction of the evolutionary history of the major surface protein gene oprF highlighted an adaptive radiation in the Pseudomonas fluorescens group. The recent work of Hao (2013) showed that partial recombination events in oprF gene occurred specifically in a P. fluorescens lineage under ecological niche segregation. So, I suggest that identification of lineage-specific fine-scale...
Duck circovirus (DuCV) is a contagious immunosuppressive virus affecting many duck species, which is responsible for multiple outbreaks in poultry industries worldwide. In this study, the first DuCV isolate GH01 was identified in Sichuan by PCR, which shared a high level of nucleotide identity (81.8–99.4%) with sequences of other DuCV isolates available in GenBank. Comparative phylogenetic and pairwise...
Sugarcane streak mosaic virus (SCSMV), a member of the genus Poacevirus is an important viral pathogen affecting sugarcane production in India. The P1 gene of ten Indian isolates was sequenced and compared with previously reported SCSMV isolates. Comparative sequence analysis revealed a high level of diversity in the P1 gene (83–98% nucleotide sequence identity; 87–100% amino acid sequence identity),...
The M26 hotspot of the fission yeast Schizosaccharomyces pombe is one of the best-characterized eukaryotic hotspots of recombination. The hotspot requires a seven bp sequence, ATGACGT, that serves as a binding site for the Atf1-Pcr1 transcription factor, which is also required for activity. The M26 hotspot is active in meiosis but not mitosis and is active in some but not all chromosomal contexts...
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