نتایج جستجو برای: est sequences analysis
تعداد نتایج: 2995353 فیلتر نتایج به سال:
An esterase-producing clone Aph2 was isolated from the Apharwat soil metagenomic library, a mountain peak in NW Himalayas. ORF 2 (Est Ac) of clone Aph2 corresponds to 271 aa protein and showed 26 % sequence similarity to carboxylesterase gene of Synechococcus sp. JA-2-3B. Est Ac contains nucleophilic Ser in S68-X-X-K71 motif of β-lactamases with Tyr Y103. The conserved sequences are common with...
The relationship between the Chondrichthyes (cartilaginous fishes), the Actinopterygii (ray-finned fishes), and the piscine Sarcopterygii (lobe-finned fishes) and how the Tetrapoda (four-limbed terrestrial vertebrates) are related to these has been a contentious issue for more than a century. A general consensus about the relationship of these vertebrate clades has gradually emerged among morph...
Expressed sequence tags (ESTs) have provided a first glimpse of the collection of transcribed sequences in a variety of organisms. However, a careful analysis of this sequence data can provide significant additional functional, structural and evolutionary information. Our analysis of the public EST sequences, available through the TIGR Gene Indices (TGI; http://www.tigr.org/tdb/tdb.html ), is a...
We present evidence of a potentially serious source of error intrinsic to all spotted cDNA microarrays that use IMAGE clones of expressed sequence tags (ESTs). We found that a high proportion of these EST sequences contain 5'-end poly(dT) sequences that are remnants from the oligo(dT)-primed reverse transcription of polyadenylated mRNA templates used to generate EST cDNA for sequence clone libr...
We present evidence of a potentially serious source of error intrinsic to all spotted cDNA microarrays that use I.M.A.G.E. clones of expressed sequence tags (ESTs). We found that a high proportion of these EST sequences contain 5’ end poly(dT) sequences that are remnants from the oligo (dT)-primed reverse transcription of polyadenylated mRNA templates used to generate EST cDNA for sequence clon...
Expressed Sequence Tag (EST) sequence analysis rapidly gained widespread use and application for the discovery of gene transcripts in a variety of organisms (Adams et al. 1991). As of April 11, 2008, 51,391,051 ESTs entries were recorded in the dbEST NCBI (National Center of Biotechnology Information). Most of these (61%) are generated from laboratory models and economically important organisms...
Expressed Sequence Tags (ESTs) are short DNA sequences generated by sequencing the transcribed cDNAs coming from a gene expression. They can provide significant functional, structural and evolutionary information and thus are a primary resource for gene discovery. EST annotation basically refers to the analysis of unknown ESTs that can be performed by database similarity search for possible ide...
BACKGROUND Simple sequence repeats (SSRs) are ubiquitous in eukaryotic genomes. Chrysanthemum is one of the largest genera in the Asteraceae family. Only few Chrysanthemum expressed sequence tag (EST) sequences have been acquired to date, so the number of available EST-SSR markers is very low. METHODOLOGY/PRINCIPAL FINDINGS Illumina paired-end sequencing technology produced over 53 million se...
In order to study gene expression in a reproductive organ, we constructed a cDNA library of mature flower buds in Lotus japonicus, and characterized expressed sequence tags (ESTs) of 842 clones randomly selected. The EST sequences were clustered into 718 non-redundant groups. From BLAST and FASTA search analyses of both protein and DNA databases, 58.5% of the EST groups showed significant seque...
Analysis of EST sequences suggests recent origin of allotetraploid colonial and creeping bentgrasses
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