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Samples of diaphragm were collected from 53 sika deer from Gifu Prefecture, Japan; 220 sarcocysts were isolated, examined in wet mounts and classified according to their cyst wall protrusions. The sarcocysts were then examined molecularly in order to assign them to different species. All but 11 of the 220 sarcocysts were initially identified by means of a multiplex PCR assay targeting cox1 of five species, whereas the remaining 11 sarcocysts were identified by standard PCR and sequencing. DNA from selected sarcocysts was used for PCR amplification and sequencing of cox1 (59 sequences) and 18S rDNA (23 sequences). The 220 sarcocysts comprised seven major cox1 sequence types or species. Types 4 and 7 were assigned to the known species Sarcocystis pilosa and Sarcocystis ovalis, whereas types 1, 3 and 5 were considered to represent three new species, for which the names Sarcocystis japonica, Sarcocystis matsuoae and Sarcocystis gjerdei have been proposed. Types 2 and 6 were most similar to Sarcocystis tarandi and Sarcocystis taeniata, respectively, but could not be unequivocally assigned to these species. Sarcocysts belonging to S. japonica were macroscopic with fairly thick finger-like protrusions, whereas most sarcocysts of the six other species were microscopic. Sarcocysts of S. cf. tarandi and S. matsuoae were spindle-shaped and possessed thin finger-like cyst-wall protrusions. Sarcocysts of S. pilosa and S. gjerdei had similar hair-like protrusions, whereas those of S. cf. taeniata had a smooth surface. Sarcocysts of S. japonica, S. pilosa, S. cf. tarandi, S. gjerdei, S. matsuoae, S. cf. taeniata and S. ovalis were found in 50 (94.3%), 29 (54.7%), 22 (41.5%), 10 (18.9%), 8 (15.1%), 6 (11.3%) and 1 (1.9%) of the 53 sika deer examined, respectively. An improved multiplex PCR assay targeting cox1 was developed, through which the seven Sarcocystis spp. found in the present study could be identified.
Pubmed ID: 31667088
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Software for Next-Generation DNA sequencing, Sanger DNA analysis, and RNA sequencing. It contains sequence analysis tools which include reference-guided alignments, de novo assembly, variant calling, and SNP analyses. It has integrated the Cufflinks suite for in-depth transcript analysis and differential gene expression of RNA-Seq data.
View all literature mentionsA software package for the analysis of nucleotide polymorphism from aligned DNA sequence data. DnaSP can estimate several measures of DNA sequence variation within and between populations (in noncoding, synonymous or nonsynonymous sites, or in various sorts of codon positions), as well as linkage disequilibrium, recombination, gene flow and gene conversion parameters. DnaSP can also carry out several tests of neutrality: Hudson, Kreitman and Aguad (1987), Tajima (1989), McDonald and Kreitman (1991), Fu and Li (1993), and Fu (1997) tests. Additionally, DnaSP can estimate the confidence intervals of some test-statistics by the coalescent. The results of the analyses are displayed on tabular and graphic form.
View all literature mentionsA tool to design target-specific primers for polymerase chain reaction (PCR). It uses Primer3 to design PCR primers and then uses BLAST and global alignment algorithm to screen primers against user-selected database in order to avoid primer pairs (all combinations including forward-reverse primer pair, forward-forward as well as reverse-reverse pairs) that can cause non-specific amplifications.
View all literature mentionsWeb search tool to find regions of similarity between biological sequences. Program compares nucleotide or protein sequences to sequence databases and calculates statistical significance. Used for identifying homologous sequences.
View all literature mentionsA commercial organization which provides assay technologies to isolate DNA, RNA, and proteins from any biological sample. Assay technologies are then used to make specific target biomolecules, such as the DNA of a specific virus, visible for subsequent analysis.
View all literature mentionsWeb sevice of ClustalW provided by DNA data bank of Japan.
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