نتایج جستجو برای: est ssr markers
تعداد نتایج: 251106 فیلتر نتایج به سال:
To identify EST-SSR molecular markers, 41,986 cattle UniGene sequences from NCBI were mined for analyzing SSRs. A total of 1,831 SSRs were identified from 1,666 ESTs, which represented an average density of 19.88 kb per SSR. The frequency of EST-SSRs was 4.0%. The dinucleotide repeat motif was the most abundant SSR, accounting for 54%, followed by 22%, 13%, 7% and 4%, respectively, for tri-, he...
In general tropical forage legumes lack microsatellites or simple sequence repeat (SSR) markers. Development of genic SSR markers from expressed sequence tagged (EST) database is an alternate and efficient approach to generate the standard DNA markers for genome analysis of such crop species. In the present paper a total of 816 EST-SSRs containing perfect repeats of mono (33.5%), di (14.7%), tr...
Cannabis sativa L. is an important economic plant for the production of food, fiber, oils, and intoxicants. However, lack of sufficient simple sequence repeat (SSR) markers has limited the development of cannabis genetic research. Here, large-scale development of expressed sequence tag simple sequence repeat (EST-SSR) markers was performed to obtain more informative genetic markers, and to asse...
Intra-population variation of 18 cultivated carrot (Daucus carota L. ssp. sativus) populations of diverse origins was evaluated using codominant microsatellite (SSR) markers. Using 27 genomic and EST-derived SSR markers, 253 alleles were identified with a mean 9.4 alleles per marker. Most of the alleles (60.5%) were rare i.e., with the frequency ≤ 0.05 while only 3.95% of alleles occurred with ...
eight pollinators (as pollen parents) and four cms lines (as seed parents) differing in salinity and drought tolerance were evaluated using agro-morphological traits and microsatellite markers. root yield, leaf weight, sugar content, sodium content (na+), potassium content (k+), a-amino nitrogen content, alkalinity coefficient, molasses sugar, white sugar content, extraction coefficient of suga...
The bay scallop (Argopecten irradians irradians Lamarck 1819) has become one of the most important aquaculture species in China. Genetic improvement of cultured bay scallop can bene¢t greatly from a better understanding of its genome. In this study, we developed ampli¢ed fragment length polymorphisms (AFLPs) and simple sequence repeat markers from expressed sequence tags (EST-SSRs) for linkage ...
UNLABELLED PREMISE OF THE STUDY We developed simple sequence repeat (SSR) markers from expressed sequence tags (ESTs) for Abies firma, a conifer endemic in Japan, to facilitate evaluation of the population genetic structure in this species. • METHODS AND RESULTS We designed primers for 153 EST-SSRs identified from 486322 ESTs from A. sachalinensis ESTs, and tested 96 of them for PCR amplif...
PREMISE OF THE STUDY Expressed sequence tag (EST)-derived simple sequence repeat (SSR) markers were developed in Pisum sativum for further use in genetic studies and breeding programs. METHODS AND RESULTS Forty-one novel EST-SSR primers were developed and characterized for size polymorphism in 32 Pisum sativum individuals from four populations from China. In each population, the number of all...
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