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Long terminal repeat retrotransposons
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The impact of Fe2+ (iron)toxicity on genomic instability, DNA methylation status, and Long Terminal Repeat Retrotransposons (LTR RTs) polymorphisms on Zea mays is unknown. We investigated the toxicity of Fe2+ using Random Amplified Polymorphic DNA (RAPD), Coupled Restriction Enzyme Digestion-Random Amplification (CRED-RA) and Inter Retrotransposon Amplified Polymorphism (IRAP) assays in Zea mays seedlings, respectively.
8p
lyhuyenthu
31-01-2023
6
2
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Terminal repeat retrotransposons in miniature (TRIMs) are a unique group of small long terminal repeat retrotransposons that are difficult to identify. Thus far, only a few TRIMs have been characterized in the euphyllophytes, and their evolutionary and biological significance as well as their transposition mechanisms are poorly understood.
17p
viaristotle
29-01-2022
5
0
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An association between hammerhead ribozymes and non-autonomous, long terminal repeat retrotransposons is uncovered in plants, shedding light on the biological function of genomically encoded ribozymes.
3p
viaristotle
29-01-2022
7
0
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Eastern Mediterranean is considered as a center of diversity of Cynodon spp. (Bermudagrass). Phylogenetic analysis from diploids to hexaploids can help our understanding underlying mechanism of polyploidization. Inter-primer binding site (iPBS) markers amplify highly polymorphic long terminal repeat retrotransposons. The objectives were to (1) investigate associations between ploidy level and genetic diversity based on iPBS markers and (2) correlate between similarity matrices of iPBS retrotransposon marker and four nuclear molecular marker systems for Cynodon accessions’ genetic analyses.
13p
tudichquannguyet
29-11-2021
9
1
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Many studies have shown that guanine-rich DNA sequences form quadruplex structures (G4) in vitro but there is scarce evidence of guanine quadruplexes in vivo. The majority of potential quadruplex-forming sequences (PQS) are located in transposable elements (TEs), especially close to promoters within long terminal repeats of plant LTR retrotransposons.
11p
vibeauty
23-10-2021
5
0
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The three superfamilies of Long Terminal Repeat (LTR) retrotransposons are a widespread kind of transposable element and a major factor in eukaryotic genome evolution. In metazoans, recent studies suggested that Copia LTR-retrotransposons display specific dynamic compared to the more abundant and diverse Gypsy elements. Indeed, Copia elements show a relative scarcity and the prevalence of only a few clades in specific hosts. Thus, BEL/Pao seems to be the second most abundant superfamily.
18p
vitzuyu2711
29-09-2021
13
1
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Long terminal repeat retrotransposons are the most abundant transposons in plants. They play important roles in alternative splicing, recombination, gene regulation, and defense mechanisms. Large-scale sequencing projects for plant genomes are currently underway.
14p
visilicon2711
20-08-2021
11
1
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Transposable elements (TEs) are fragments of DNA that can insert into new chromosomal locations. They represent a great proportion of eukaryotic genomes. The identification and characterization of TEs facilitates understanding the transpositional activity of TEs with their effects on the orchid genome structure.
13p
vijeeni2711
30-06-2021
8
1
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The marine diatoms Thalassiosira pseudonana and Phaeodactylum tricornutum are valuable model organisms for exploring the evolution, diversity and ecology of this important algal group. Their reference genomes, published in 2004 and 2008, respectively, were the product of traditional Sanger sequencing.
25p
vilichoo2711
23-06-2021
12
1
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Long Terminal Repeat retrotransposons (LTR retrotransposons) are mobile genetic elements composed of a few genes between terminal repeats and, in some cases, can comprise over half of a genome’s content.
11p
vilichoo2711
23-06-2021
13
2
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Long Terminal Repeat retrotransposons (LTR-REs) are repetitive DNA sequences that constitute a large part of the genome. The improvement of sequencing technologies and sequence assembling strategies has achieved genome sequences with much greater reliability than those of the past, especially in relation to repetitive DNA sequences.
18p
vijichea2711
28-05-2021
5
1
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Miniature inverted-repeat transposable elements (MITEs) and long terminal repeat (LTR) retrotransposons are ubiquitous in plants genomes, and highly important in their evolution and diversity.
16p
vishikamaru2711
25-04-2020
7
0
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The genome of the human pathogenEntamoeba histolytica, a primitive pro-tist, contains non-long terminal repeat retrotransposable elements called EhLINEs. These encode reverse transcriptase and endonuclease required for retrotransposition. The endonuclease shows sequence similarity with bacterial restriction endonucleases.
13p
vinaphone15
25-02-2013
33
1
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Eukaryotic genomes are full of long terminal repeat (LTR) retrotransposons. Although most LTR retrotransposons have common structural features and encode similar genes, there is nonetheless considerable diversity in their genomic organization, reflecting the different strategies they use to proliferate within the genomes of their hosts. reports deposited research Transposons are mobile genetic elements that can multiply in the genome using a variety of mechanisms. Retrotransposons replicate through...
0p
thulanh21
15-11-2011
43
1
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