نتایج جستجو برای: aflp marker
تعداد نتایج: 131763 فیلتر نتایج به سال:
A variant of the cDNA-AFLP method coupled to an automated sequencer was used to quantify transcripts differentially expressed between sexes of the marine snail Littorina saxatilis. First, we conducted a validation study of the technique using known concentrations of a commercial marker. Second, we analysed six replicates of males and females from a population showing no apparent sexual dimorphi...
Characterization of individual genetic variation within a plant population is an important component of plant conservation and evolutionary genetics. Here we present a marker-based approach to interpolating individual genetic information from a sample of plants to the whole population. The effectiveness of the approach was demonstrated by applying AFLP markers to estimate genetic distinctivenes...
An ultradense genetic linkage map with >10,000 AFLP loci was constructed from a heterozygous diploid potato population. To our knowledge, this is the densest meiotic recombination map ever constructed. A fast marker-ordering algorithm was used, based on the minimization of the total number of recombination events within a given marker order in combination with genotyping error-detection softwar...
ABSTRACT The population structure of Phytophthora infestans in the Toluca Valley of central Mexico was assessed using 170 isolates collected from cultivated potatoes and the native wild Solanum spp., S. demissum and S. xendinense. All isolates were analyzed for mitochondrial DNA (mtDNA) haplotype and amplified fragment length polymorphism (AFLP) multi-locus fingerprint genotype. Isolate samples...
Silver staining of nucleic acid has been widely used in molecular marker analysis such as simple sequence repeat (SSR), single-strand conformation polymorphism (SSCP), and amplified fragment-length polymorphism (AFLP). Many alternatives to silver staining methods have been described, but these methods are not efficient or cost-effective. Here we report a silver staining method that requires les...
We compared two methods to generate polymorphic markers to investigate the population genetics of Trypanosoma evansi; random amplified polymorphic DNA (RAPD) and amplified restriction fragment length polymorphism (AFLP) analyses. AFLP accessed many more polymorphisms than RAPD. Cluster analysis of the AFLP data showed that 12 T.evansi isolates were very similar ('type A') whereas 2 isolates dif...
Thirty-one strains of Acinetobacter species, including type strains of the 18 genomic species and 13 clinical isolates, were compared by amplified ribosomal DNA restriction analysis (ARDRA), random amplified polymorphic DNA analysis (RAPD), and amplified fragment length polymorphism (AFLP) fingerprinting. ARDRA, performed with five different enzymes, showed low discriminatory power for differen...
Genetic markers can efficiently be obtained by using amplified fragment length polymorphism (AFLP) fingerprinting because no prior information on DNA sequence is required. However, the conversion of AFLP markers from complex fingerprints into simple single locus assays is perceived as problematic because DNA sequence information is required for the design of new locus-specific PCR primers. In a...
This article refers to viewing the role of molecular markers during analyzing genome plants and their importance in plant biotechnology. In recent years, we observed techniques programs for improving breeding preserving genetic resources has been observed, biochemical indicators which represent basic material through determining diversity between genotypes it is never affected by external surro...
Amplified restriction fragment polymorphism (AFLP) is a PCR-based DNA fingerprinting technique. In AFLP analysis, bacterial genomic DNA is digested with restriction enzymes, ligated to adapters, and a subset of DNA fragments are amplified using primers containing 16 adapter defined sequences with one additional arbitrary nucleotide. Polymorphisms of different Escherichia coli strains or Agrobac...
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