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Oomycetes are eukaryotic microorganisms, which are phylogenetically distinct from the true-fungi, which they resemble morphologically. While many oomycetes are pathogenic to plants, Pythium insidiosum is capable of infecting humans and animals. Mitochondrial (mt) genomes are valuable genetic resources for exploring the evolution of eukaryotes. During the course of 454-based nuclear genome sequencing,...
The plant homeobox domain (PHD) proteins are widespread in eukaryotes, and play important roles in regulating chromatin and transcription. Comprehensive analyses of PHD-finger proteins have been performed in animals, but few plant PHD-finger proteins involved in growth and development have been characterized functionally. In this study, we conducted a genome-wide survey of PHD-finger proteins in Populus...
The trematode Eurytrema pancreaticum is a parasite of ruminant pancreatic and bile ducts, and also occasionally infects humans, causing eurytremiasis. In spite of it being a common fluke of cattle and sheep in endemic regions, little is known about the genomic resources of the parasite. We sequenced the complete mitochondrial (mt) genome of E. pancreaticum. It is 15,031bp in size, and encodes 36 genes:...
To determine the origin and evolution of goose parvovirus (GPV) and Muscovy duck parvovirus (MDPV) in the Mainland of China, phylogenetic and recombination analyses in the present study were performed on 32 complete VP1 gene sequences from China and other countries. Based on the phylogenetic analysis of the VP1 gene, GPV strains studied here from Mainland China (PRC) could be divided into three genotypes,...
Complete mitochondrial genome sequences are of great importance for better understanding the genome-level characteristics and phylogenetic relationships among related species. In this study, the complete mitochondrial genome of Atrijuglans hetaohei Yang is sequenced and analyzed, which is 15,379bp in length (GenBank: KT581634) and contains a typical set of 13 protein-coding genes, 22 tRNA genes, two...
Transposition of mitochondrial DNA into the nucleus, which gives rise to nuclear mitochondrial DNAs (NUMTs), has been well documented in eukaryotes. However, very few studies have assessed the frequency of these transpositions during the evolutionary history of a specific taxonomic group. Here we used the horseshoe bats (Rhinolophus) as a case study to determine the frequency and relative timing of...
Pinworms Aspiculuris tetraptera and Syphacia obvelata are important parasitic nematodes of laboratory mice, rat and other rodents. However, the mitochondrial (mt) genome of these parasites have not been known yet. In the present study, the complete mt genomes of A. tetraptera and S. obvelata were sequenced, which were 13,669bp and 14,235bp in size, respectively. Both genomes included 12 protein-coding...
Human papillomavirus (HPV) is the major causative agent of cervical cancer, which accounts for the second highest cancer burden in women worldwide. HPV-52, the prevalent subtype in Asia, especially in southwest China, was analyzed in this study. To analyze polymorphisms, intratypic variants, and genetic variability in the E6–E7 (n=26) and L1 (n=53) genes of HPV-52, these genes were sequenced and the...
Porcine circovirus type 2 (PCV2), the primary causative agent of porcine circovirus-associated disease (PCVAD), causes severe economic losses to the pig industry in China since 2002. To investigate the molecular epidemic characteristics and genetic evolution of PCV2, 12 PCV2 isolates obtained from different pig farms with various clinical symptoms of PCVAD in Hebei, China from 2004 to 2014 were sequenced...
The vertebrate FoxP subfamily genes play important roles in the construction of essential functional modules involved in physiological and developmental processes. To explore the adaptive evolution of functional modules associated with the FoxP subfamily member genes, it is necessary to study the gene duplication process. We detected four member genes of the FoxP subfamily in sea lampreys (a representative...
Mitochondrial genomes can provide basic information for phylogenetic analysis and evolutionary studies. We present here the mitochondrial genome of Cynoglossus gracilis, which is 16,565bp in length. Numerous distinct regions were identified, including 13 protein-coding genes (PCGs), 22 tRNA genes, two rRNA genes, a light-strand replication origin, and a control region. Interestingly, we detected rearrangement...
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