ライフサイエンスコーパス: sieve tube

1 t sucrose 20 times faster than a single 20 m sieve tube.

2 in the lumen are a general feature of living sieve tubes.

3 port in the relatively minor extrafascicular sieve tubes.

4 sugar from the apoplast into the conducting sieve tubes.

5 d to the formation of tracheary elements and sieve tubes.

6 Even the largest tracer injected into the sieve tubes, 400-kD fluorescein-labeled Ficoll with a St

7 e transport as they grow taller by analysing sieve tube anatomy, including sieve plate geometry, usin

8 jor to minor veins; the volume of individual sieve tube and vessel members increases from minor to ma

9 Pa drop in turgor pressure between the grain sieve tubes and vascular parenchyma cells.

10 Sap is driven through phloem sieve tubes by an osmotically generated pressure gradien

11 increasing distance between source and sink, sieve tube conductivity and turgor increases dramaticall

12 suggests a high hydraulic resistance in the sieve tubes connecting the two.

13 n electron microscopic images suggested that sieve tubes contain obstructions that would prevent pass

14 ing tissue dissection and direct sampling of sieve tube contents, we show that FP in fact does contai

15 bservation, it is suggested that 20 1-m-long sieve tubes could transport sucrose 20 times faster than

16 yielded evidence that PSTVd movement within sieve tubes does not simply follow mass flow from source

17 Because of the sieve plates, sieve tube elasticity does not provide a significant enh

18 odies raised against proteins present in the sieve-tube exudate of Ricinus communis (castor bean) see

19 Within the sieve-tube exudate, profilin was present in 15-fold mola

20 the first ultrastructural investigations of sieve tubes in the early 1960s, their structure has been

21 The key issue is whether the conductance of sieve tubes, including sieve plate pores, is sufficient

22 The transit time of sucrose through a sieve tube is found to be inversely proportional to the

23 ration artifacts due to injury, the lumen of sieve tubes is free of obstructions, and phloem flow is

24 on of pressure-concentration waves in phloem sieve tubes is not significantly impeded by wall elastic

25 centration front, and the effect of changing sieve tube length on the transport of sucrose in both th

26 ere shown to decrease the number of parallel sieve tubes needed for phloem transport, leading to a mo

27 ecrease in exudation probably due to partial sieve tube occlusion by callose.

28 In sum, wounding triggered transient sieve tube occlusion, enhanced energy metabolism, and ac

29 ion of quantitative anatomical data from the sieve tubes of angiosperm phloem has been confounded by

30 Moreover, major phloem proteins in sieve tubes of FP differ from those that predominate in

31 In cucurbits, phloem latex exudes from cut sieve tubes of the extrafascicular phloem (EFP), serving

32 Long distance transport in plants occurs in sieve tubes of the phloem.

33 injected via severed aphid stylets into the sieve tubes of wheat (Triticum aestivum L.) grains to ev

34 e to the conclusion that obstructions in the sieve-tube path were due to preparation artifacts.

35 inversely proportional to the square of the sieve tube's length; following that observation, it is s

36 sA was also directly detected in Arabidopsis sieve tube sap collected from an English green aphid (Si

37 s, thus confirming the role of P-proteins in sieve tube sealing.

38 Sieve tube-specific conductivity and its reduction by ca

39 ial was used to calculate rough estimates of sieve tube-specific conductivity for both species.

40 16 amino acids in wheat (Triticum aestivum) sieve tube (ST) samples as small as 2 nL collected by se

41 y constant, which in turn permits changes in sieve tube state to be rapidly transmitted throughout th

42 Because sieve tube structure defines frictional interactions in

43 rding the nature of other metabolites in the sieve tube system (STS) at specific sites along the path

44 y depend on the geometry of the microfluidic sieve tube system and especially on the anatomy of sieve

45 The angiosperm sieve tube system contains a unique population of transc

46 The anucleate sieve tube system of the angiosperm phloem delivers suga

47 ating protein synthesis within the enucleate sieve tube system of the angiosperms.

48 In angiosperms, the functional enucleate sieve tube system of the phloem appears to be maintained

49 ed to test the hypothesis that the enucleate sieve tube system utilizes a simplified signal transduct

50 with respect to functioning of the enucleate sieve tube system, as eIF5A was recently detected in Cuc

51 trafficking between companion cells and the sieve tube system.

52 n higher plants takes place in the enucleate sieve-tube system of the phloem.

53 These included direct measurement of sieve tube turgor and several independent approaches to

54 Sieve tube turgor measurements, osmotic concentrations,

55 ally watered plants, crease pericarp Psi and sieve tube turgor were almost 1 MPa lower than in the pe

56 paration protocol has been generated showing sieve tube ultrastructure of unprecedented quality.

57 A reconstruction of sieve tube ultrastructure served as basis for tube resis

58 r results re-emphasize the importance of the sieve tube unloading step in the control of assimilate i

59 cells, where they are synthesized, into the sieve tube via plasmodesmata.

60 ate to be rapidly transmitted throughout the sieve tube via pressure-concentration waves.

61 equate attention to the elastic expansion of sieve tube walls.

62 The mature, functional sieve tube, which forms the conduit for assimilate distr

63 allose within minutes, but plants containing sieve tubes with large pores need additional mechanisms.

64 Short sieve tubes would be highly sensitive to differentials b