ライフサイエンスコーパス: parasegment

1 t in the next segment, a unit constituting a parasegment.

2 ormation within the anterior portion of each parasegment.

3 only detectable in the anterior half of the parasegment.

4 tion of one cell type, constituting half the parasegment.

5 ermal cells in the anterior portions of each parasegment.

6 ells derived from posterior portions of each parasegment.

7 rned by cis-regulatory domains, one for each parasegment.

8 esponsible for three other cell types in the parasegment.

9 e expression to be initiated in odd-numbered parasegments.

10 nd required for the development of alternate parasegments.

11 asegments and wingless (wg) in even-numbered parasegments.

12 ripes that serve to define the even-numbered parasegments.

13 tivation of engrailed by Eve in odd-numbered parasegments.

14 grailed stripes and to organize odd-numbered parasegments.

15 the minor stripes seen in the even-numbered parasegments.

16 ption of the engrailed gene in even-numbered parasegments.

17 Whereas in the eve domain of parasegments 10-12 gonadal mesoderm develops from dorsol

18 f-function phenotype, typically transforming parasegment 11 (PS11) into PS12 identity.

19 latory region (Fab-7') dominantly transforms parasegment 11 into parasegment 12.

20 The lab-7 domain activates Abd-B in parasegment 12 (ps12), whereas lab-8 controls expression

21 ') dominantly transforms parasegment 11 into parasegment 12.

22 ium, which occupies the ventral epidermis of parasegment 2, is among the earliest to be defined.

23 vary gland genes by SCR in dorsal regions of parasegment 2.

24 ling abolish dpp reporter gene expression in parasegment 3 and reduce it in parasegment 7 while ectop

25 rming Growth Factor (beta) family member, in parasegments 3 and 7 of the Drosophila visceral mesoderm

26 gen, and then in a stripe at the position of parasegment 4 (PS4).

27 and fat body from ventrolateral mesoderm, in parasegments 4-9 only fat body is specified.

28 set of odd-numbered parasegments, as well as parasegment 6.

29 ression limit of the UBX homeotic protein in parasegment 6.

30 is a direct target of Ultrabithorax (Ubx) in parasegment 7 (PS7) of the embryonic visceral mesoderm.

31 expression in parasegment 3 and reduce it in parasegment 7 while ectopic expression of Wingless signa

32 soderm but also for the expression of dpp in parasegment 7, which governs proper midgut morphogenesis

33 quired to set the ABD-A anterior boundary in parasegment 7.

34 several hours, a subset of cells within each parasegment adopts a rectilinear configuration and align

35 asis for discussion of the generality of the parasegment and the evolution of Engrailed patterns.

36 entation gene engrailed (en) in odd-numbered parasegments and is associated with a lethal phenotype.

37 e genes that define the boundaries of future parasegments and segments, via the regulation of segment

38 slp is required to activate wg in alternate parasegments and to maintain the remaining wg stripes in

39 nsects to activate engrailed in odd-numbered parasegments and wingless (wg) in even-numbered parasegm

40 Thus the parasegments appear to be subdivided, at least with resp

41 the somatic gonadal precursor cells within a parasegment are established by the secreted growth facto

42 mRNA caused loss of a subset of odd-numbered parasegments, as well as parasegment 6.

43 al precursors within each of three posterior parasegments at early stages in gonadogenesis.

44 ggests revised patterning mechanisms for the parasegment boundaries and explains the aetiology of the

45 cellular territories, such as the embryonic parasegment boundaries and the compartment boundaries in

46 Enrichment at parasegment boundaries during GBE is independent of Wing

47 how that the patterning of the even-numbered parasegment boundaries relies on Opa-dependent regulator

48 unction, to maintain wingless expression and parasegment boundaries throughout embryogenesis.

49 e stripes, which coincide cell-for-cell with parasegment boundaries, are required to ensure the stabi

50 At parasegment boundaries, cells expressing Wingless confro

51 enes plays an important role in establishing parasegment boundaries.

52 frequency doubling and the patterning of 14 parasegment boundaries.

53 borders that coincide with the odd-numbered parasegment boundaries.

54 ith respect to wingless and engrailed at the parasegment boundary is conserved between myriapods and

55 Rows of cells that flank the parasegment boundary make up a signaling center within t

56 a conserved role in the specification of the parasegment boundary, but the degree of conservation of

57 At each parasegment boundary, cells expressing the Wnt family me

58 aries and two further boundaries within each parasegment, concomitant with a doubling of cell number

59 repressed by Runt in a simple combinatorial parasegment-dependent manner.

60 ion in the anterior half of the odd-numbered parasegments due to an inability to respond to repressio

61 ut is expressed throughout the even-numbered parasegments due to the loss of repression by Runt and F

62 Parasegment grooves mark the position of boundaries that

63 e not involved in specifying the position of parasegment grooves.

64 pression in either the odd- or even-numbered parasegments has not been defined for any of the segment

65 on of engrailed in the anterior half of each parasegment in embryos of the fruit fly Drosophila melan

66 se 'unrefined' stripes organize odd-numbered parasegments in a dose-dependent manner, while the refin

67 segment-polarity genes, one stripe for each parasegment, in the blastoderm stage embryo.

68 the proper development of a single posterior parasegment, it is active in all tissues and stages of d

69 prd at the anterior boundary of odd-numbered parasegments may reflect an ancestral segmentation mecha

70 is enriched in a bipolar manner, across the parasegment, on both smooth and denticle field cells dur

71 pattern of Stripe (Sr) expression across the parasegment (PS) in Drosophila.

72 the anterior subdivision of each mesodermal parasegment (PS).

73 grailed stripes and to organize odd-numbered parasegments (PSs).

74 e same segment, but into A cells of the same parasegment (segment A6).

75 27me3 profiles across the BX-C in successive parasegments showed a 'stairstep' pattern that revealed

76 mit autonomous regulatory domains that drive parasegment-specific expression of homeotic genes.

77 bithorax complex (BX-C) is required for the parasegment-specific expression of the Abd-B gene.

78 ent and plays a different role in regulating parasegment-specific expression patterns of the Abd-B ge

79 To search for parasegment-specific signatures that reflect PcG functio

80 They further suggest that parasegment specification may occur through irregular an

81 Because these parasegments straddle segment boundaries, we observe fus

82 reflect PcG function, chromatin from single parasegments was isolated and profiled.

83 odification domains; it was retained even in parasegments where adjacent domains lack H3K27me3.

84 of bap and srp in anterior portions of each parasegment, whereas wg is required to suppress bap and

85 Hh accumulate in hh-expressing cells in each parasegment, while the adjacent "Hh-receiving" cells can

86 In addition to this parasegment-wide polarity, prospective denticle field ce