ライフサイエンスコーパス: egg cell

1 h MCM7 is expressed at a higher level in the egg cell.

2 e female tissues to eventually fertilize the egg cell.

3 ained within a pollen tube, to fertilize the egg cell.

4 bryo sac before fertilization, including the egg cell.

5 B chromosomes preferentially fertilizes the egg cell.

6 ne where the germ plasm will form within the egg cell.

7 ly) may occur in either reduced or unreduced egg cells.

8 aintaining the genomic integrity of immature eggs cells.

9 he embryo sac before cellularization, in the egg cell after cellularization, in the zygote/embryo imm

10 y the pollen tube cell to the egg apparatus (egg cell and accessory synergid cells).

11 It produces the egg cell and central cell (which give rise to the embryo

12 It is the structure that produces the egg cell and central cell which, following fertilization

13 uce two highly dimorphic female gametes, the egg cell and central cell.

14 In contrast, Fie2 is expressed in the egg cell and more intensively in the central cell simila

15 mbers that are specifically expressed in the egg cell and redundantly control gamete fusion during do

16 The egg cell and sperm cell transcriptomes reveal major diff

17 es: twice during double fertilization of the egg cell and the central cell and once during female gam

18 Double fertilization of the egg cell and the central cell by two sperm cells, result

19 structure consisting of four cell types: one egg cell and two synergids, one central cell, and three

20 ive organs, the final differentiation of the egg cell, and the progression of canal cells into a cell

21 s, one gene was expressed exclusively in the egg cell, and three genes were expressed strongly in mul

22 of the archegonium, the canal cells, and the egg cell are also sites of auxin responsiveness and are

23 e of growth but have a difficult journey, as egg cells are buried within the ovary of the carpel.

24 BOOM-like (PsASGR-BBML) gene is expressed in egg cells before fertilization and can induce parthenoge

25 s one sperm cell successfully fuses with the egg cell but the second sperm cell fails to fuse with th

26 g in triploid apomicts that produce triploid egg cells but largely nonfunctional pollen.

27 propose occasional fertilization of diploid egg cells by haploid pollen, resulting in triploid apomi

28 we propose a mathematical model of the frog egg cell cycle including effects of unreplicated DNA on

29 Here, we report that in the early Xenopus egg cell cycles, phosphorylation of endogenous cdc25C Se

30 We found that CHH methylation in the egg cell depends on DOMAINS REARRANGED METHYLASE 2 (DRM2

31 idence that age may cause a breakdown in the egg cell division machinery.

32 rophyte generation and, upon maturation, the egg cell establishes a quiescent state that is maintaine

33 of embryo sac abnormalities, including extra egg cells, extra polar nuclei, and extra synergids.

34 which specifies central cells and restricts egg cell fate.

35 d-enriched sperm cell (S(ua)) fuses with the egg cell, forming the zygote and embryo.

36 In Xenopus egg cell-free extracts, Xkid and Xklp1 are essential for

37 n mitotic chromosome condensation in Xenopus egg cell-free extracts.

38 en penetrates this matrix and fuses with the egg cell, generating a zygote.

39 yos derive by parthenogenesis from unreduced egg cells, giving rise to clonal offspring.

40 Consistent with a role in the egg cell, heterozygous mcm7 mutants resulted in frequent

41 h and/or maintain the quiescent state of the egg cell in the absence of fertilization.

42 omosome segregation during the production of egg cells in humans are becoming clearer.

43 parthenogenetic development of the unreduced egg cell into an embryo.

44 extended [Ca2+]cyto transient solely in the egg cell is correlated with successful fertilization.

45 Successful fertilization of the egg cell is not blocked in the glc mutant, suggesting th

46 ongly modified after fertilization, that the egg cell is primed to activate the translational machine

47 t from animal genomes [11-13], can induce an egg cell-like transcriptome in sporophytic cells of A. t

48 s have not produced phenotypes affecting the egg cell, likely due to genetic redundancy and/or cross-

49 through which the sperm passes to reach the egg cell membrane.

50 thought to mediate fusion between sperm and egg cell membranes.

51 after in vivo fertilization of G. barbadense egg cells (n = 26).

52 that Fie1 is neither expressed in the sperm, egg cell nor central cell before fertilization.

53 Later, the egg cell plays a central role in specifying accessory ce

54 Thus, the egg cell probably remained unfertilized in aborted lre-5

55 n) is characterized by meiotically unreduced egg cell production (apomeiosis) followed by its parthen

56 It is the structure within which egg cell production and fertilization take place.

57 However, only few genes with egg cell-specific expression or defects have been identi

58 These findings may account for the unique egg cell specification characteristic of angiosperms and

59 xin has been found to mediate patterning and egg cell specification.

60 We isolated living egg cells, sperm cells and pollen vegetative cells from

61 c acid chains derived from the S. purpuratus egg cell surface complex inhibited fertilization; the no

62 ated glycopeptide fraction isolated from the egg cell surface complex of another species of sea urchi

63 in synergids, specialized cells flanking the egg cell that attract pollen tubes and degenerate upon p

64 diploids, so that the plant produces diploid egg cells that can develop without fertilization, but ha

65 vered by the pollen tube (PT) fuses with the egg cell to form the zygote, whereas the second unites w

66 female gametophyte typically consists of one egg cell, two synergid cells, one central cell, and thre

67 indle size is positively correlated with the egg cell volume.

68 the normality and holistic integrity of the egg cell, was one of its purest adherents.

69 o sac embedded within the ovule contains the egg cell, whereas the pollen grain contains two sperm ce

70 chanisms plants use to prevent the fusion of egg cells with multiple sperm cells.

71 rough the production and fusion of sperm and egg cells, yet little is known about the ancestry of ani