ライフサイエンスコーパス: copia

1 The copia 5' LTR and adjacent untranslated leader region (UL

2 apping to putative regulatory regions of the copia 5' LTR and adjacent untranslated leader region (UL

3 can distinguish two types of COPI vesicles, COPIa and COPIb.

4 Phylogenetic analysis revealed seven Copia and five Gypsy evolutionary lineages that were pre

5 s that consist of members from the canonical Copia and Gypsy groups as well as a newly discovered thi

6 Copia and Gypsy LTR-retrotransposon insertions were foun

7 ed that the individual LTR retrotransposons (copia and gypsy-like) were represented by between 90 and

8 Sequence analysis showed that the Ty1/copia and LINE-like elements were distinct, while a thir

9 d another previously uncharacterized factor, copia binding factor-1 (CBF-1).

10 The results revealed that the influence of copia copy number and transcription level on copia plasm

11 ith copia copy number, and the difference in copia copy number between parental lines accounted for 4

12 Transcript level correlated with copia copy number, and the difference in copia copy numb

13 ation within and between two families of the copia Drosophila long terminal repeat (LTR) retrotranspo

14 Significant differences in levels of copia [Drosophila long terminal repeat (LTR) retrotransp

15 Strikingly, non-TGCA Copia elements are often located in genic regions and pr

16 we describe a plant-specific lineage of Ty1/copia elements called the Sireviruses.

17 e enrichment of LINE/L1 and long term repeat/Copia elements in lineage 3 apomicts is consistent with

18 LTR is four times shorter than that of other Copia elements, which may be a result of their target sp

19 The majority of noncanonical LTRs are Copia elements, with which the LTR is four times shorter

20 ences are responsible for the variability in copia expression within and between Drosophila species.

21 Heat-responsiveness of COPIA families is correlated with the presence of putati

22 the rapid isolation of LTR sequences of Ty1-copia group retrotransposons from the genomic DNA of pot

23 to that found in retrotransposons of the Ty-copia group.

24 he average dominance of all mutations and of copia insertions in a set of lines that had accumulated

25 ations of 0.17, whereas average dominance of copia insertions was 0.51; the difference between these

26 (ULR) of the Drosophila LTR retrotransposon copia is known to be critical to the element's expressio

27 he presence of an O-methyl transferase and a Copia like gene respectively in Citrus instead of the am

28 their genome-wide distribution; in contrast, Copia-like and En/Spm-like sequences were overrepresente

29 n contains a novel full-length but nonmobile copia-like element, designated Tcen, that is only associ

30 We show that Ty1/copia-like elements also have undergone copy number incr

31 nt of the deduced peptide sequences with Ty1-copia-like elements from other plants showed considerabl

32 Surveys of sequence heterogeneity of Ty1/copia-like elements in the genomes of the three hybrid a

33 Ty1-copia-like elements showed different and non-random hybr

34 Arabidopsis thaliana and Cicer arietinum Ty1-copia-like elements were found in clusters at the parace

35 dreds, perhaps thousands of Sireviruses: Ty1/copia-like elements with an extra ORF.

36 ther superfamily of LTR retrotransposon (Ty1/copia-like elements) have experienced similar derepressi

37 etitive sequences in this region include one copia-like LTR retrotransposon, 13 simple sequence repea

38 Copia-like retrotransposable element sequences have diff

39 on of the reverse transcriptase genes of Ty1-copia-like retrotransposable elements from 12 plant spec

40 icilian blood orange arose by insertion of a Copia-like retrotransposon adjacent to a gene encoding R

41 We also identify a copia-like retrotransposon insertion polymorphism in the

42 ated from the insertion of Sal-T1, a 4863-bp Copia-like retrotransposon, in the 5' untranslated regio

43 We have isolated and characterized Tgmr, a copia-like retrotransposon, linked tightly to the Rps1-k

44 equence identity to either Ty3/gypsy- or Ty1/copia-like retrotransposons.

45 Two non-homologous Pseudoviridae (Ty1/copia-like) elements, two Metaviridae (Ty3/gypsy-like) e

46 minished TEs under darkness were enriched in Copia, LINE, and MuDR dispersed across chromosomes.

47 milies, lineages and species, and notably, a Copia lineage has been lost in soybean.

48 ence for a recent horizontal transfer of the copia long terminal repeat retrotransposon between Droso

49 of TE host-silencing pathways, particularly copia long terminal repeat retrotransposon in Drosophila

50 articular, we showed that insertion of a Ty1-copia LTR retrotransposon occurred specifically in C. ar

51 Our analysis indicates that the copia LTR-ULR has been subject to negative purifying sel

52 ave quantified levels of naturally occurring copia LTR-ULR nucleotide variation and subjected the dat

53 The ability of the copia LTR-ULR size variants to drive expression of a bac

54 We mapped a QTL affecting copia plasmid concentration within the 33A-43E cytologic

55 copia copy number and transcription level on copia plasmid concentrations are weak and that genomic f

56 out of the two large effect deficiencies on copia plasmid concentrations corresponded to the vasa ge

57 emi-quantitative analysis to assay levels of copia plasmids (believed to be an intermediate of transp

58 H3K9me2 levels at COPIA-R7 affect the choice between two alternative RPP7

59 We show that COPIA-R7, a TE inserted into the Arabidopsis thaliana di

60 fully dependent on high levels of H3K9me2 at COPIA-R7.

61 e responsible for generating and maintaining copia regulatory sequence variation, we have quantified

62 zation (FISH) analysis revealed that the Ty1/copia-related DNA sequences are not specific to the cent

63 mutations, might explain the variability in copia retrotransposon activity between lines.

64 have studied the genetics of differences in copia retrotransposon activity by quantitative trait loc

65 i fail to form, and transcript levels of the copia retrotransposon are elevated more than 50-fold; th

66 that the envelope-like genes in the putative Copia retrovirus-like family are probably derived from t

67 Saccharomyces cerevisiae belongs to the Ty1/Copia superfamily, which is present in every eukaryotic

68 w plant retrotransposon belonging to the Ty1-Copia superfamily.

69 , we identify large effect genes involved in copia suppression by using a semi-quantitative analysis

70 We hypothesize that copia suppression occurs by the joint action of several

71 tal lines exhibiting a 10-fold difference in copia transcript level and a 100-fold difference in tran

72 The genes controlling copia transcript level are thus not necessarily those in

73 lines were scored for 126 molecular markers, copia transcript level, and rate of copia transposition.

74 etween parental lines accounted for 45.1% of copia transcript-level difference.

75 r PARG or the silencing protein SIR2 weakens copia transcriptional repression.

76 copia transposition rate was controlled by interacting Q

77 ot necessarily those involved in controlling copia transposition rate.

78 markers, copia transcript level, and rate of copia transposition.

79 ines constructed from a line exhibiting high copia transpositions and a line exhibiting no transposit

80 The assignment of SIRE-1 to the copia/Ty1 family was confirmed by comparison of the conc

81 a retrovirus-like genome closely related to copia/Ty1 retrotransposons.

82 d, relatively homogeneous copies of a large, copia/Ty1-like retroelement designated SIRE-1.

83 g multiple copies of the integrase gene of a copia-type transposable element and the helicase gene of

84 We show that the full length copia ULR in either orientation but not the gap ULR can

85 Two copia ULR size variants are prevalent in natural populat

86 ctor-2 (BBF-2), is also shown to bind to the copia ULR.

87 We conclude that COPIa vesicle-mediated recycling to the ER occurs only f

88 COPIa vesicles bud exclusively from cis cisternae and oc

89 yadenylation revealed that LTR/Gypsy and LTR/Copia were two major transposable elements within the in