ライフサイエンスコーパス: ovariole

1 thelial sheath cells, the muscle surrounding ovarioles.

2 d allows the formation of normally patterned ovarioles.

3 ired for FSC daughters to migrate across the ovariole and on occasion to replace the opposite stem ce

4 a) has resulted in queens with 200-360 total ovarioles and workers with usually 20 or less.

5 Ovarioles are the functional unit of the female insect r

6 impact the rate of egg production, new, non-ovariole factors were also identified.

7 Ovariole formation begins during larval development with

8 Ovarioles from Dm ime4 mutants have fused egg chambers w

9 Cytological analysis reveals that ovarioles from Hmr mutant females express markers that d

10 We detected micrometastases in 15% of ovarioles from wild type host females 10 days after tran

11 We detected micrometastases in 15.8% of ovarioles from wild type host females 12 days after tran

12 o somatic follicle stem cells (FSCs) in each ovariole give rise to all polar cells, stalk cells, and

13 Each ovariole in the Drosophila ovary contains two germline s

14 es with a highly disorganized arrangement of ovarioles in comparison to wild-type females.

15 tion was due to a reduction in the number of ovarioles in D. sechellia relative to its sister species

16 ssed at the extreme apical end of Drosophila ovarioles in terminal filament cells and a newly identif

17 e niche increases the functional lifetime of ovarioles in vivo.

18 Heritability for ovariole number (adjusted for body size), derived from i

19 In addition, variation in ovariole number among workers relates to worker sensory

20 Estimates of VG/VM for ovariole number and body size were both approximately 1.

21 stigated the genetic basis for plasticity of ovariole number and body size, as well the genetic basis

22 Ls in four yeast concentrations and measured ovariole number and body size.

23 n was evaluated for two quantitative traits, ovariole number and body size.

24 The genetic correlation between ovariole number and thorax length was positive, but the

25 While previously mapped factors affecting ovariole number appear to impact the rate of egg product

26 Increasing TFC size contributed to higher ovariole number by increasing TF number.

27 Analysis of mean ovariole number for these generations showed that only a

28 Mutations for ovariole number have a quadratic relationship with compe

29 Convergent changes in Drosophila ovariole number have evolved independently within and be

30 Ovariole number in Drosophila is species-specific, highl

31 We induced changes in ovariole number in Drosophila melanogaster by geneticall

32 Genetic variation for ovariole number in the flower-breeding Drosophila hibisc

33 Ovariole number is an important determinant of fecundity

34 Ovariole number is related to evolutionary fitness, whic

35 genetic changes underlying species-specific ovariole number may alter the total number of TFCs avail

36 t in these Drosophila lineages, reduction in ovariole number occurs primarily through variations in o

37 The ovariole number of foragers was correlated with the suga

38 etic and cellular basis for determination of ovariole number remains unknown.

39 tively large within-population variation for ovariole number suggest that substantial microhabitat va

40 independently evolved a significantly lower ovariole number than the D. melanogaster Oregon R strain

41 y, increasing total TFC number led to higher ovariole number via an increase in TF number.

42 ontrast, temperature-dependent plasticity in ovariole number was due to changes in cell-cell sorting

43 The variance of ovariole number within sites (sigma2(within) = 2.039) wa

44 and used to identify 34 candidate genes for ovariole number, a quantitative trait, in Drosophila mel

45 ophila melanogaster, ovary size, measured as ovariole number, and body size, measured as thorax lengt

46 of recombinant inbred lines were assayed for ovariole number, and QTL analyses for this trait identif

47 dependent evolution of a reproductive trait, ovariole number, has resulted from changes in distinct d

48 To study the genetic architecture of worker ovariole number, we performed a series of crosses betwee

49 rstand the cellular basis for the changes in ovariole number.

50 a target of evolutionary change that affects ovariole number.

51 ized and European bees that differ in worker ovariole number.

52 pe, terminal filament (TF) cells, determines ovariole number.

53 yze here a trait closely related to fitness, ovariole number.

54 stinct developmental processes that regulate ovariole number: establishment of total TFC number, and

55 discuss how the phenotype of extreme worker ovariole numbers and the underlying genetic factors we i

56 transgressive worker phenotypes with extreme ovariole numbers that were sensitive to the social envir

57 Thus, evolution can produce similar ovariole numbers through distinct developmental mechanis

58 The germarium, a structure at the tip of the ovariole of a Drosophila ovary, contains two follicle st

59 tifying micrometastasis formation within the ovarioles of adult hosts after transplantation and deter

60 The individual ovarioles of the Drosophila ovary each contain about two

61 susceptibility to I. fumosorosea, number of ovarioles, or ovipostioning were seen between any of the

62 ific mapping between Drosophila sechellia (8 ovarioles/ovary) and D. simulans (15 ovarioles/ovary) id

63 llia (8 ovarioles/ovary) and D. simulans (15 ovarioles/ovary) identified a major QTL on chromosome 3

64 insect reproductive organs and the number of ovarioles per ovary strongly influences egg-laying rate

65 ition, Cct1 mutants display a novel branched ovariole phenotype, demonstrating a requirement for this

66 g (Hh) at the extreme anterior of Drosophila ovarioles suggests that it might provide an asymmetric c

67 The Drosophila ovariole tip produces new ovarian follicles on a 12-hour

68 ce a range of phenotypes, including agametic ovarioles, tumorous egg chambers, and late stage oogenic

69 The number of ovarioles varies between and within species.

70 one site) that differed by an average of 4.6 ovarioles were used to generate F1, F2 and backcross gen

71 ries are composed of functional units called ovarioles, which contain sequentially developing egg cha

72 ted by stem cell loss, we studied Drosophila ovarioles, which maintain two to three germ-line stem ce

73 lls in the follicle cell layer of developing ovarioles with down-regulated expression of the major mi