ライフサイエンスコーパス: tapetum

1 pollen grains: no signal was detected in the tapetum.

2 ect on expression in the outer integument or tapetum.

3 stricted to the innermost somatic layer, the tapetum.

4 gene mutated from expression in seed to the tapetum.

5 unique features associated with a polyploid tapetum.

6 excess microsporocytes at the expense of the tapetum.

7 ET, defects appeared in the structure of the tapetum.

8 t genes specifically expressed in the floret tapetum.

9 DYSFUNCTIONAL TAPETUM 1 (DYT1), a putative bHLH transcription factor,

10 tly on deterioration and death of the anther tapetum, a tissue whose main function appears to nurture

11 release from the tetrads, at which time the tapetum also appears abnormally vacuolated.

12 t phasiRNAs all accumulate preferentially in tapetum and meiocytes.

13 ion patterns of the GUS reporter gene in the tapetum and microspores of Arabidopsis anthers identical

14 sically fluorescent components of developing tapetum and microspores were imaged in intact, live anth

15 of archesporial derivative cells and lacks a tapetum and middle layer, resulting in moderate transcri

16 The ms23 mutant lacks a differentiated tapetum and shows the fewest differences from fertile an

17 ted, which was expressed specifically in the tapetum and vascular tissues.

18 LTP-GFP appeared in the tapetum and was secreted via the endoplasmic reticulum-t

19 All three proteins were synthesized in the tapetum and were present on mature pollen after tapetum

20 ifted visual pigments, a longwave reflecting tapetum and, uniquely, a bacteriochlorophyll-derived pho

21 t was most abundant in the maturing anthers (tapetum) and in lesser amounts in leaves, fruit coats, s

22 within right posterior corona radiata, right tapetum, and bilateral corpus callosum, statistically mo

23 on was restricted to young vascular tissues, tapetum, and developing and mature pollen.

24 specifically expressed in the anther, in the tapetum, and in meiocytes during early meiosis.

25 inner retina was preserved, but the choroid, tapetum, and outer retina were damaged.

26 porter gene primarily in integuments, anther tapetum, and seed coat with unique tissue-specificity.

27 their proliferation to generate a functional tapetum, and this proliferation suppresses microsporocyt

28 Special groups of LTPs unique to the anther tapetum are abundant, but their functions are unclear.

29 The expression of PSP1 in the tapetum at critical stages of microspore development sug

30 ers from closed buds, with expression in the tapetum at the stage of microspore release.

31 ested down-regulation of the target genes in tapetum by RNAi.

32 After tapetum cell death, flavonoids, alkanes, and oleosins we

33 and arabinose as the major moieties) of the tapetum cells and the stigma surface is discussed.

34 indicate distinct modes of their storage in tapetum cells and transfer to the pollen surface, which

35 assica anthers during microsporogenesis, the tapetum cells contain two abundant lipid-rich organelles

36 ervation of homologue association in somatic tapetum cells demonstrates that this process and meiotic

37 Tapetosomes are abundant organelles in tapetum cells during the active stage of pollen maturati

38 a endoxylanase, whose mRNA is located in the tapetum cells enclosing the maturing pollen in the anthe

39 t of neutral and acidic amino acids into the tapetum cells for synthesis of compounds important for m

40 We speculate that small groups of ml and tapetum cells function as a developmental unit dedicated

41 two major proteins derived from the adjacent tapetum cells in the anthers.

42 After tapetum cells lyzed, oleosins but not calreticulin and B

43 Tapetosomes are abundant organelles in tapetum cells of floral anthers in Brassicaceae species.

44 Electron microscopy of tapetum cells of mid to late developmental stages reveal

45 n turn reflect their respective functions in tapetum cells or the pollen surface.

46 only during the developmental stage when the tapetum cells were packed with organelles.

47 s revealed flavonoids present exclusively in tapetum cells, first in an ER network along with flavono

48 protein calreticulin existed as a network in tapetum cells, which contained no oleosins.

49 imultaneously in all the surrounding somatic tapetum cells.

50 anelles were similar to those in situ in the tapetum cells.

51 the plastoglobuli inside the plastids in the tapetum cells.

52 rients and other compounds secreted from the tapetum cells.

53 The pre-xylanase was localized in the tapetum-containing anther wall, whereas the 35-kDa xylan

54 etum and were present on mature pollen after tapetum death.

55 R6 is essential for the regulation of timely tapetum degradation and, consequently, microgametogenesi

56 llen with defects in the nexine layer of the tapetum-derived exine pollen wall and in the pollen-deri

57 ) LRR-RLK and its small protein ligand TPD1 (TAPETUM DETERMINANT1) play a fundamental role in somatic

58 f tomato using RNAi to examine its effect on tapetum development and pollen viability.

59 ales probably occurs through interruption of tapetum development before microspore meiosis.

60 fied genes involved in pollen microspore and tapetum development that were specifically expressed in

61 ) hampered pollen dispersal and (2) abnormal tapetum development.

62 uct, which is poorly expressed in the anther tapetum, did not complement mutant fertility.

63 ct, which was poorly expressed in the anther tapetum, did not complement mutant fertility.

64 or in maize anther development that promotes tapetum differentiation and inhibits periclinal division

65 additional insights into microsporocyte and tapetum differentiation and to uncover potential genetic

66 lament expression alone or expression in the tapetum do not restore dehiscence and pollen viability.

67 e is predominantly expressed in the anther's tapetum during meiosis and disappears before anthesis.

68 pecifically and transiently expressed in the tapetum during the phase when microspores separate from

69 localized family protein highly expressed in tapetum during the tetrad stage.

70 The tapetum elaioplasts contained several unique polypeptide

71 gnated HVT1 (Helicase in Vascular tissue and Tapetum), encodes a native transcript of approximately 4

72 petitively form a protein complex with other tapetum-expressed transcription factors, and that biphas

73 ts controlling both the outer integument and tapetum expression are located within the 481-370 bp reg

74 sformed with an Arabidopsis oleosin gene for tapetum expression possessed primitive tapetosomes and p

75 causes anther developmental arrest, with the tapetum failing to degrade.

76 programmed cell death in megaspores and the tapetum, features that overlapped those in other well-ch

77 regulates the expression of TEK and MS188 in tapetum for the nexine and sexine formation, respectivel

78 tion factor and is strongly expressed in the tapetum from late anther stage 5 to early stage 6, and a

79 The tapetum from these lines displayed delayed and irregular

80 factor, plays a critical role in regulating tapetum function and pollen development.

81 that DYT1 is important for the expression of tapetum genes.

82 As a result, the tapetum in the double mutant failed to properly deposit

83 The tapetum is a single cell layer surrounding the anther lo

84 stage and lack the endothecium, middle, and tapetum layers.

85 cluding the diurnal Propithecus, possessed a tapetum lucidum, a feature only found among nocturnal an

86 , including enlarged eyes, an aphakic gap, a tapetum lucidum, and a pure rod retina with high densiti

87 al barnase genes was instead targeted to the tapetum, male sterility resulted.

88 In the tapetum, maximal expression of two marker genes for lipi

89 the genes were expressed specifically in the tapetum of 3-5 mm B. napus buds, which contained microsp

90 oleosin-like proteins is synthesized in the tapetum of B. napus anthers and that following tapetal d

91 putative oleosins have been detected in the tapetum of developing anthers in Brassica and Arabidopsi

92 restricted tissue-specific expression in the tapetum of flower buds and in the anther filaments upon

93 sual longwave-reflecting, astaxanthin-based, tapetum of Malacosteus may protect the retina from the p

94 d that Xyl was specifically expressed in the tapetum of the anther after the tetrad microspores had b

95 transcripts were present only in the anther tapetum of the plant, whereas glucanase transcript was d

96 The tapetum oleosin generated primitive tapetosomes that org

97 not contain the tandem oleosin gene cluster, tapetum oleosin transcripts, tapetosomes, or pollen tole

98 de that represents a portion of the putative tapetum oleosins encoded by two cloned Brassica napus ge

99 erved C-terminal domain with the sporophytic tapetum oleosins.

100 the reintroduction of DELLA into either the tapetum or developing pollen.

101 show that the constituents of the two major tapetum organelles underwent very different paths of deg

102 ts showed that the expression levels of many tapetum-preferential genes are reduced significantly in

103 ficking of additional constituents, prior to tapetum programmed cell death.

104 n polyamines in pollen development, and thus tapetum-specific down-regulation of SAMDC genes using RN

105 ng the antisense expression of a pollen- and tapetum-specific gene, bcp1, flanked by FRT sites.

106 A tapetum-specific gene, RTS, has been isolated by differe

107 uster of five to nine paralogs encodes ample tapetum-specific oleosins located in abundant organelles

108 with 5 genes revealed that four of them are tapetum-specific with differing temporal expression patt

109 a show that a transcriptional cascade in the tapetum specifies the development of pollen wall.

110 We explored the function of the tapetum-synthesized xylanase, ZmXYN1, on maize (Zea mays

111 In anthers, the tapetum synthesizes and stores proteins and flavonoids,

112 high-molecular-weight (SH; angiosperms), and tapetum (T; Brassicaceae) oleosins.

113 ol granules in seeds (oil bodies) and floral tapetum (tapetosomes) are stabilized by amphipathic stru

114 , which localized AtLHT2 specifically to the tapetum tissue of the anthers.

115 nd to exine precursors are secreted from the tapetum to become microspore exine constituents; this pa

116 Ipsilateral atrophy of the tapetum, uncinate, and inferior fronto-occipital fascicu

117 ), specifically expressed in the Arabidopsis tapetum via transcriptional profiling.

118 The retina and tapetum were thinner in the lesioned retina than in the

119 eate stage of development rather than in the tapetum, which previously was taken to be the principal

120 for the origin of the middle layer (ml) and tapetum, while young anther development appears more com

121 ir transcripts were restricted to the anther tapetum, with levels peaking at the developmental stage

122 ene encoding the barley (Hordeum vulgare L.) tapetum xylanase was cloned; this gene and the gene enco