نتایج جستجو برای: ssrs

تعداد نتایج: 1562  

Journal: :Molecular biology and evolution 2010
Ming Chen Zhongyang Tan Guangming Zeng Jun Peng

Simple sequence repeats (SSRs) are tandem repeat units of 1-6 bp that are identified in various complete sequences. However, the distribution, nature, and origination of SSRs in pre-miRNAs, which are characteristic stem-loop sequences and are finally processed into ∼22 nt functional miRNAs contributing to regulate several biological processes, are still not well studied. The availability of lar...

Journal: :Molecular biology and evolution 2005
Haydar Karaoglu Crystal Man Ying Lee Wieland Meyer

The use of simple sequence repeats or microsatellites as genetic markers has become very popular because of their abundance and length variation between different individuals. SSRs are tandem repeat units of 1 to 6 base pairs that are found abundantly in many prokaryotic and eukaryotic genomes. This is the first study examining and comparing SSRs in completely sequenced fungal genomes. We analy...

2013
Alejandro J. Moyano Sofía Feliziani Julio A. Di Rienzo Andrea M. Smania

Pseudomonas aeruginosa is an opportunistic pathogen that chronically infects the airways of cystic fibrosis (CF) patients and undergoes a process of genetic adaptation based on mutagenesis. We evaluated the role of mononucleotide G:C and A:T simple sequence repeats (SSRs) in this adaptive process. An in silico survey of the genome sequences of 7 P. aeruginosa strains showed that mononucleotide ...

2012
Sahil Mahfooz Pallavi Singh Deepak K Maurya Mahesh C Yadav Azram Tahoor Harmesh Sahay Arpita Srivastava Anil Prakash

The frequency and distribution of microsatellites were analyzed in the 19 mitogenomes of phytopathogenic fungi covering five phyla. Our analysis revealed that in all the mitogenomes studied, the frequency and relative abundance varied, and it was neither influenced by genome size nor by GC content. SSRs were found to be differential distributed in genic and intergenic regions. An average of 5.1...

Journal: :Genetics and molecular research : GMR 2014
M Yang H Z Zheng X-F Liang C X Tian Y Q Dou K C Zhu Y C Yuan

In this study, 37 transcriptome-derived simple sequence repeat (SSR) markers and 18 genomic SSR markers were developed and characterized in the Chinese perch, Siniperca kneri Garman. The average allele number per locus was 5.1 (range: 2-8) for transcriptome-derived SSRs and 3.8 (range: 2-5) for genomic SSRs. The average observed and expected heterozygosities were 0.666 (range: 0.000-1.000) and ...

2011
Mohammad Reza Bakhtiarizadeh Mansour Ebrahimi Esmaeil Ebrahimie

Tandem repeats are found in both coding and non-coding sequences of higher organisms. These sequences can be used in cancer genetics and diagnosis to unravel the genetic basis of tumor formation and progression. In this study, a possible relationship between SSR distributions and lung cancer was studied by comparative analysis of EST-SSRs in normal and lung cancerous tissues. While the EST-SSR ...

2014
Aditi Kapil Piyush Kant Rai Asheesh Shanker

Simple sequence repeats (SSRs) are regions in DNA sequence that contain repeating motifs of length 1-6 nucleotides. These repeats are ubiquitously present and are found in both coding and non-coding regions of genome. A total of 534 complete chloroplast genome sequences (as on 18 September 2014) of Viridiplantae are available at NCBI organelle genome resource. It provides opportunity to mine th...

2017
Komivi Dossa Jingyin Yu Boshou Liao Ndiaga Cisse Xiurong Zhang

The sequencing of the full nuclear genome of sesame (Sesamum indicum L.) provides the platform for functional analyses of genome components and their application in breeding programs. Although the importance of microsatellites markers or simple sequence repeats (SSR) in crop genotyping, genetics, and breeding applications is well established, only a little information exist concerning SSRs at t...

2011
Kanokporn Triwitayakorn Pornsupa Chatkulkawin Supanath Kanjanawattanawong Supajit Sraphet Thippawan Yoocha Duangjai Sangsrakru Juntima Chanprasert Chumpol Ngamphiw Nukoon Jomchai Kanikar Therawattanasuk Sithichoke Tangphatsornruang

To obtain more information on the Hevea brasiliensis genome, we sequenced the transcriptome from the vegetative shoot apex yielding 2 311 497 reads. Clustering and assembly of the reads produced a total of 113 313 unique sequences, comprising 28 387 isotigs and 84 926 singletons. Also, 17 819 expressed sequence tag (EST)-simple sequence repeats (SSRs) were identified from the data set. To demon...

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