ライフサイエンスコーパス: gametophytic

1 y (hisn1a hisn1b) exhibited a combination of gametophytic and embryonic lethality in heterozygotes.

2 homozygotes could not be identified, due to gametophytic and embryonic lethality.

3 Synchronized communication between gametophytic and sporophytic tissue is crucial for succe

4 same individual genes were expressed both in gametophytic and sporophytic tissues, although under dif

5 In gametophytic apomicts of the aposporous type, each cell

6 Asexual seed production (agamospermy) via gametophytic apomixis in flowering plants typically invo

7 Gametophytic apomixis in Pennisetum squamulatum and Cenc

8 Gametophytic apomixis is asexual reproduction as a conse

9 it is coupled with parthenogenesis to yield gametophytic apomixis via apospory or diplospory.

10 uires maternal gene activity in the haploid (gametophytic) as well as diploid (sporophytic) tissues o

11 tial for cytokinesis in both sporophytic and gametophytic cell types.

12 es are typically sex-specific, e.g., gametic/gametophytic competition typically occurs among sperm/po

13 action domains and their requirement in male gametophytic cytokinesis.

14 -of-function mutation in PAPS1 causes a male gametophytic defect, whereas a weak allele leads to redu

15 e mutants in Arabidopsis XPO1A and XPO1B are gametophytic defective.

16 ackground causes serious growth retardation, gametophytic defects and premature cell death in develop

17 Female gametophytic development and early embryonic development

18 urrently, the genes and pathways involved in gametophytic development and function in flowering plant

19 t the HSFB2a locus influences vegetative and gametophytic development in Arabidopsis.

20 y of these transposition events occur during gametophytic development.

21 patible crossing 'anomalies' suggest that a 'gametophytic element' may influence the outcome of cross

22 e used to evaluate the possibility of female gametophytic expression for any gene in the ATH1 array,

23 1/+ mutants and VAL_RNAi lines, we find that GAMETOPHYTIC FACTOR 2 (GFA2), which is required for syne

24 Two gametophytic factors are sufficient for pollen compatibi

25 eles pointed to a dual role, sporophytic and gametophytic, for the gene on the male side.

26 d that hypomethylation in the female or male gametophytic generation was sufficient to influence F(1)

27 e Arabidopsis genome require analysis of the gametophytic generation, since approximately 10% of the

28 (FM) is crucial for the establishment of the gametophytic generation, the mechanisms that determine t

29 entiate into a multicellular gamete-forming "gametophytic generation." Different populations of helpe

30 cle includes diploid sporophytic and haploid gametophytic generations.

31 s that delete or disrupt genes essential for gametophytic growth and development.

32 eraction of products contributed by both the gametophytic (haploid) and sporophytic (diploid) genomes

33 established mechanisms, that is, homomorphic gametophytic, homomorphic sporophytic or heteromorphic S

34 The two-locus gametophytic incompatibility system in perennial ryegras

35 We show that male gametophytic kokopelli (kpl) mutants display frequent si

36 the Columbia ecotype but sidecar pollen is a gametophytic lethal in the Landsberg erecta ecotype.

37 ever, the stt3a-1 stt3b-1 double mutation is gametophytic lethal.

38 emoval of any of these components results in gametophytic lethality due to pollen defects, demonstrat

39 of AtGPAT9 demonstrates both male and female gametophytic lethality phenotypes, consistent with the r

40 Our results identify two essential gametophytic loci required for progression through diffe

41 t regulates cell proliferation by exerting a gametophytic maternal control during seed development.

42 The characterization of many gametophytic maternal effect (GME) mutants affecting see

43 The gametophytic maternal effect mutant medea (mea) shows ab

44 s with both sporophytic maternal effects and gametophytic maternal effects have been identified.

45 A novel gametophytic maternal-effect mutant defective in early e

46 s are major products of both sporophytic and gametophytic metabolism during pollen development.

47 Apparently, the gametophytic microspore oil-body oleosins share common e

48 inations of backcross and F2 lines suggest a gametophytic mode of restoration, and indicate that enha

49 The Arabidopsis thaliana female gametophytic mutant glauce (glc) can exhibit embryo deve

50 applications including a genetic screen for gametophytic mutants and methods for investigating gene

51 ophytic mutation, to our knowledge the first gametophytic mutation in Arabidopsis that affects early

52 opteris, it is difficult to assess whether a gametophytic mutation is dominant or recessive or to det

53 To our knowledge, scp is the first male gametophytic mutation to be described in Arabidopsis.

54 trad analysis to show that raring-to-go is a gametophytic mutation, to our knowledge the first gameto

55 and gum mutants correspond to male-specific gametophytic mutations that also reduce pollen fitness.

56 romeres, easily distinguish sporophytic from gametophytic mutations, and accurately assess crossover

57 cytoplasm, male fertility is determined by a gametophytic, nuclear restoration-of-fertility gene.

58 allele of sidecar pollen shows differential gametophytic penetrance and variable expressivity in dif

59 In angiosperms, the transition to the female gametophytic phase relies on the specification of premei

60 splayed no phenotypic alterations during its gametophytic phase, it failed to develop sporophytes, in

61 ween the diploid sporophytic and the haploid gametophytic phases.

62 an important role in consolidating the male gametophytic ploidy consistency.

63 , so that accumulation of maternally derived gametophytic protein is likely to be responsible for the

64 e microspores of the tetrad, and also play a gametophytic role later in pollen grain maturation.

65 s for allo- or autotetraploid species with a gametophytic S-Z SI system.

66 d, which indicate the possible presence of a gametophytic SC locus.

67 plained by a combination of recessive-lethal gametophytic selection against the parthenogenetic locus

68 as much more influence on genes subjected to gametophytic selection than on genes solely under sporop

69 ents, such as meiotic drive in F1 parents or gametophytic selection, contributed to TRD.

70 With gametophytic selection, low frequencies of double reduct

71 the presence of another SC locus, exhibiting gametophytic selection, segregating in this population a

72 Wild cherry exhibits gametophytic self-incompatibility (GSI) and vegetative r

73 ription of the breakdown of S-RNase-mediated gametophytic self-incompatibility (GSI) in a polyploid s

74 se and F-box proteins) are essential for the gametophytic self-incompatibility (GSI) specific recogni

75 ymorphism at the S locus that determines the gametophytic self-incompatibility (GSI) system in the pi

76 xamined were heterozygous, as expected under gametophytic self-incompatibility (GSI).

77 Gametophytic self-incompatibility (SI) possessed by the

78 y species of Prunus display an S-RNase-based gametophytic self-incompatibility (SI), controlled by a

79 mbers also include the S-RNases, involved in gametophytic self-incompatibility in plants.

80 systems of balancing selection such as plant gametophytic self-incompatibility loci.

81 ions of allelic diversity at the RNase-based gametophytic self-incompatibility locus in the Rosaceae.

82 The gametophytic self-incompatibility mechanism enables the

83 sent in natural populations are designed for gametophytic self-incompatibility systems (GSI) in which

84 rasus) exhibits a genotype-dependent loss of gametophytic self-incompatibility that is caused by the

85 investigate protein-protein interactions in gametophytic self-incompatibility, we used a yeast two-h

86 One such mechanism is gametophytic self-incompatibility, which allows the fema

87 Moreover, gametophytic selfing affects the relative influence of d

88 We find that gametophytic selfing increases the range of epistasis un

89 velopmental stages, our results suggest that gametophytic selfing may have greater significance for f

90 We consider two different life cycles: under gametophytic selfing, a given proportion of fertilizatio

91 hree different mating systems, one of which, gametophytic selfing, is an extreme form of inbreeding o

92 of fern species studied show a capacity for gametophytic selfing, producing sporophytes from both is

93 The observation that some gametophytic sex-determining mutants have phenotypic eff

94 ants and the mechanisms regulating bryophyte gametophytic shoot development are largely unknown.

95 We show that in gametophytic shoots of Physcomitrella, lateral branches

96 We have found that treating gametophytic shoots of the moss Physcomitrella patens wi

97 Gametophytic SI is well characterized for Solanaceae and

98 resent functional alleles under single-locus gametophytic SI.

99 About half of these mutations are male gametophytic-specific mutations, while the others also a

100 Mutual gametophytic sterility was overcome by complementation w

101 pollen viability, involves a novel two-gene gametophytic system, wherein genes designated Rf3 and Rf

102 itrella patens results in a shared defect in gametophytic tip cell growth.

103 Protoplasts, isolated from filamentous gametophytic tissue, regenerate directly into filamentou

104 ssed in the sporophytic tapetal cells and in gametophytic tissues, they are regulated differentially

105 Arabidopsis ENOD-like proteins accumulate in gametophytic tissues, whereas in both floral and vegetat

106 ess tolerance while TTL2 is involved in male gametophytic transmission.

107 ossing, wind-pollinated species exhibiting a gametophytic two-locus system of self-incompatibility (S