نتایج جستجو برای: polymorphic trinucleotide
تعداد نتایج: 27186 فیلتر نتایج به سال:
We report on the identification and characterization of two dinucleotide, two trinucleotide and eight tetranucleotide microsatellite DNA loci isolated from the European subterranean termite Reticulitermes santonensis . We tested the loci on 51–92 individuals from 46 colonies from different regions of France. Eleven loci were polymorphic with 2–8 alleles per locus and low observed heterozygositi...
UNLABELLED PREMISE OF THE STUDY Microsatellite primers were developed in the hemiparasitic perennial forb Castilleja sessiliflora to investigate patterns of gene flow and genetic diversity within and among populations. • METHODS AND RESULTS Twelve polymorphic loci were identified in C. sessiliflora and tested on three populations (32 individuals each) sampled across the range of the specie...
Nuclear microsatellite markers for Pungtungia herzi were developed using a combination of next-generation sequencing and Sanger sequencing. One hundred primer sets in the flanking region of dinucleotide and trinucleotide repeat motifs were designed and tested for efficiency in polymerase chain reaction amplification. Of these primer sets, 16 new markers (16%) were successfully amplified with un...
UNLABELLED PREMISE OF THE STUDY Nuclear microsatellite primers were developed for the weedy herb Anacyclus clavatus to study the genetic structure of hybrid zones with closely related taxa in the western Mediterranean Basin, where different floral phenotypes are present. • METHODS AND RESULTS We obtained two microsatellite libraries using next-generation sequencing and Sanger sequencing of...
Polymorphic dinucleotide repeat loci ('microsatellite markers') are found in varying abundance throughout the genomes of most organisms. They have been extensively used for genetic studies, but conventional techniques used for their genotyping require sophisticated equipment. Microplate array diagonal gel electrophoresis (MADGE) has previously been extended to economical high-throughput genotyp...
Eleven human loci, responsible for nine diseases, exhibit an unprecedented form of mutation: the expansion of trinucleotide repeats. Normally polymorphic CGG/CCG or CAG/CTG repeats (means of approximately 20 triplets) are found enlarged to either 2-3 or 10-1000 times normal lengths. The smaller expansions are found within genes coding for polyglutamine and are associated with neurodegenerative ...
PREMISE OF THE STUDY Microsatellite primers were identified to study the genetic diversity, population genetic structure, and relationships of common sage and closely related species. METHODS AND RESULTS Nine novel polymorphic trinucleotide microsatellite loci were identified for Salvia officinalis. A total of 127 alleles were observed. The observed and expected heterozygosity values ranged f...
Preliminary analysis of microsatellite markers derived from sugarcane expressed sequence tags (ESTs)
Expressed sequence tags (ESTs) in the sugarcane (Saccharum spp) database (SUCEST) were electronically searched and 402 microsatellites identified. Various dinucleotide and trinucleotide simple sequence repeat (SSR) motifs were found, with these being more frequently observed in ESTs obtained from flower cDNA libraries. PCR primers were designed for 20 of these SSRs and were tested on eight suga...
The development of organized, informative, robust, user-friendly, and freely accessible molecular markers is imperative to the Musa marker assisted breeding program. Although several hundred SSR markers have already been developed, the number of informative, robust, and freely accessible Musa markers remains inadequate for some breeding applications. In view of this issue, we surveyed SSRs in f...
Adamantinoma is a low-grade, malignant biphasic bone tumour predominantly located in the tibia. In up to 50% of all cases this is combined with one or more lesions in the ipsilateral fibula. Whether these lesions represent regional metastases or arise de novo is not yet exactly known. In order to address this question, we extracted DNA from the respective fresh frozen tumour tissues in a case o...
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