ライフサイエンスコーパス: allopolyploid

1 opolyploids) or interspecific hybridization (allopolyploids).

2 of interaction among duplicated genes in the allopolyploid.

3 one progenitor of an interspecific hybrid or allopolyploid.

4 ely not the reason for enhanced vigor in the allopolyploid.

5 nant and recessive subgenomes in the natural allopolyploid.

6 the direction was reversed in the synthetic allopolyploid.

7 biased accumulation of seed proteins in the allopolyploid.

8 f transcriptional neofunctionalization in an allopolyploid.

9 ific RNA-mediated DNA methylation in natural allopolyploids.

10 ons, underlying epigenetic dynamics in young allopolyploids.

11 y stages of fiber cell development in cotton allopolyploids.

12 ation can be studied using newly synthesized allopolyploids.

13 can be used to study molecular evolution of allopolyploids.

14 zing the expression of thousands of genes in allopolyploids.

15 permit the restoration of fertility in some allopolyploids.

16 ecent examples of rapid genomic evolution in allopolyploids.

17 eed abortion in interspecific hybrids or neo-allopolyploids.

18 s (Oryza), about one half of the species are allopolyploids.

19 ariation of miRNA genes and their targets in allopolyploids.

20 pairing were more frequent in the synthetic allopolyploids.

21 in the formation of new invasive hybrids and allopolyploids.

22 on changes within and between species and in allopolyploids.

23 responses in Arabidopsis-related species and allopolyploids.

24 s from diploid parental genomes may occur in allopolyploids.

25 imited studies on autopolyploids compared to allopolyploids.

26 The results indicate that in most allopolyploid accessions both homeologous nrDNA repeats

27 stigation of 50 resynthesized Brassica napus allopolyploids across generations S(0:1) to S(5:6) and i

28 nitor (Gossypium raimondii, D-genome) of the allopolyploid (AD-genome) cottons, G. hirsutum and G. ba

29 nance is an important phenomenon observed in allopolyploids after whole genome duplication, in which

30 r degree of proteomic similarity between the allopolyploid and its D-genome donor than its A-genome d

31 lity and fertility in a recently established allopolyploid and provides an Arabidopsis system to deci

32 The geographical distributions of the allopolyploids and parents are also complex, with allote

33 partitioning of expression than the natural allopolyploids and the in vitro "hybrids" of diploid par

34 the preferential pairing factor) typical of allopolyploids and the other specifying the degree of do

35 tected on 36 of the 38 chromosomes of the S5 allopolyploids and were not random across the genome.

36 DNA within genomes and between subgenomes in allopolyploids (and our hypothesis passes "the onion tes

37 on hybrid, intermediate in the resynthesized allopolyploid, and are repatterned differently between t

38 Epigenetic profiling in diploid, allopolyploid, and domesticated cotton shows that despit

39 isplay hybrid vigor, we compared the natural allopolyploid Arabidopsis suecica to its progenitor spec

40 tural evolution of the genome of the natural allopolyploid Arabidopsis suecica, compared with its pre

41 Allopolyploids are organisms possessing more than two co

42 nes in closely related species and recurrent allopolyploids are poorly understood.

43 ed allopolyploids are well adapted, man-made allopolyploids are typically unstable, displaying homeot

44 ated species and in interspecific hybrids or allopolyploids are unknown.

45 Whereas wild and cultivated allopolyploids are well adapted, man-made allopolyploids

46 tarch molecules, is at the same level in the allopolyploid as in the maternal progenitor A. thaliana

47 varying light conditions and found that the allopolyploid assimilates more CO2 per unit chlorophyll

48 In contrast to allopolyploids, autopolyploid A. thaliana showed the sam

49 ssion dominance occurs between subgenomes of allopolyploid B. juncea, in which differentially express

50 ification of all homoeologous chromosomes of allopolyploid B. napus by using robust molecular cytogen

51 heterosis during early flower development in allopolyploid B. napus.

52 We assembled an allopolyploid Brassica juncea genome by shotgun and sing

53 In the allopolyploid Brassica napus, we obtained a petal-closed

54 ioning of expression was frequent in natural allopolyploids, but F(1) hybrids and S(1) allopolyploids

55 ave been observed in both autopolyploids and allopolyploids, but the effects of polyploidy on proteom

56 tions of key regulatory genes in hybrids and allopolyploids can alter complex regulatory networks of

57 matic aneuploidy, especially in higher level allopolyploids, can act as an evolutionary relevant mech

58 nt is inconsistent with recent data from the allopolyploid Capsella bursa-pastoris.

59 ix different races in the Glycine tomentella allopolyploid complex.

60 model the seed trichomes ("cotton fiber") of allopolyploid (containing "A" and "D" genomes) cotton (G

61 terize the evolution of homoeologous loci in allopolyploid cotton (Gossypium hirsutum) and in species

62 These libraries were derived from allopolyploid cotton (Gossypium hirsutum; A(T) and D(T)

63 e pairs in 24 tissues in naturally occurring allopolyploid cotton (Gossypium L.), a synthetic allopol

64 during divergence of the diploid parents of allopolyploid cotton and following polyploid formation.

65 will lead to the reference-grade assembly of allopolyploid cotton and serve as a general strategy for

66 sults indicate that most duplicated genes in allopolyploid cotton evolve independently of each other

67 us A(T) and D(T) chromosomes constitutive of allopolyploid cotton genome, with an average of 64 dupli

68 he two coresident genomes (AT and DT) of the allopolyploid cotton species, Gossypium hirsutum.

69 cific hybrid F(1), and synthetic and natural allopolyploid cotton using RNA-Seq reads from leaf trans

70 Of the two cultivated species of allopolyploid cotton, Gossypium barbadense produces extr

71 s for each of the two constituent genomes of allopolyploid cotton.

72 polyploids than in F(1) hybrid and synthetic allopolyploid cottons.

73 Genomic interactions in allopolyploids create expression variation of homoeologo

74 Combination of divergent genomes in allopolyploids creates genome-wide gene expression chang

75 n of the evolutionarily divergent genomes in allopolyploids creates regulatory incompatibilities that

76 arly stages of fiber cell development and in allopolyploid crops is poorly understood.

77 otton (Gossypium) and 4 species representing allopolyploid derivatives of the diploids.

78 To address the question why allopolyploids display hybrid vigor, we compared the nat

79 Segregating hybrids and stable allopolyploids display morphological vigour, and Arabido

80 he fate of duplicate genes and adaptation of allopolyploids during evolution.

81 covery of homeolog-specific base-identity in allopolyploids even in the absence of a diploid-progenit

82 f homologs, suggesting their origins from an allopolyploid event.

83 labra) provides genomic evidence of a recent allopolyploid event.

84 These processes provide insights into allopolyploid evolution and its relationship with crop d

85 a molecular basis for de novo variation and allopolyploid evolution.

86 rgence of the homoeologous gene pairs in the allopolyploid F1 hybrids and suggest that high-parental

87 e expression at the proteome level caused by allopolyploid formation, we conducted a comparative anal

88 ranscriptome divergence is reconciled during allopolyploid formation.

89 ically in C. arabica, probably shortly after allopolyploid formation.

90 d sequenced 16 loci from both genomes of the allopolyploid, from both progenitor diploid genomes and

91 A1 on output traits suggest that hybrids and allopolyploids gain advantages from the control of circa

92 cases of homoeologue loss arose in the first allopolyploid generation, but after 80 years, 1.6% of ho

93 scriptional regulation and enable subsequent allopolyploid generations to develop novel patterns of p

94 ask due to its large, highly repetitive, and allopolyploid genome.

95 chromosomal combinations brought together in allopolyploid genomes cannot be purged through Mendelian

96 ca genus encompasses three diploid and three allopolyploid genomes, but a clear understanding of the

97 e analysis of cotton seed proteomes from the allopolyploid Gossypium hirsutum (AD genome) and its mod

98 t, analysis of genetic diversity patterns in allopolyploids has tended to rely on the interpretation

99 also shows that duplicated 5S rDNA arrays in allopolyploids have retained their subgenomic identity s

100 Allopolyploid hybridization serves as a major pathway fo

101 h of some chromosomes has been documented in allopolyploid hybrids and could be caused by the activat

102 gous gene copies during the formation of new allopolyploid hybrids and their subsequent evolution?

103 influence the establishment and evolution of allopolyploids in nature.

104 olar dominance is a phenomenon in hybrids or allopolyploids in which nucleoli form on chromosomes inh

105 ine schulzii, a textbook example of a recent allopolyploid, in its ~110-year history of human-induced

106 cterization of homoeallelic base-identity in allopolyploids is difficult since homeologous subgenomes

107 en siRNAs and nonadditive gene expression in allopolyploids is insignificant.

108 In contrast, genome size divergence between allopolyploids is manifested through differential accumu

109 ploid hybrid (M. robertsii), a resynthesized allopolyploid (M. peregrinus), and progenitor species (M

110 e loss of low-copy sequences, common to both allopolyploids, may reflect genome diploidization, a pro

111 (TE) methylation in a natural, <140-year-old allopolyploid (Mimulus peregrinus), a resynthesized inte

112 logical studies have shown many newly formed allopolyploids (neoallopolyploids) exhibit chromosomal v

113 nstead appear to evolve independently in the allopolyploid nucleus.

114 polyploid cotton (Gossypium L.), a synthetic allopolyploid of the same genomic composition, and model

115 genomic sequencing of synthetic and natural allopolyploids of Arabidopsis thaliana and Arabidopsis a

116 e also examine 44 first-generation synthetic allopolyploids of the same species.

117 HTR12 signal was found on all centromeres in allopolyploids of these two species.

118 In interspecific hybrids or allopolyploids, often one parental set of ribosomal RNA

119 ransposable element abundance rather than an allopolyploid origin.

120 indicated a clonal structure consistent with allopolyploid origins for each population.

121 statistically significantly elevated in the allopolyploid over progenitor expression levels.

122 curs and that the Hawaiian population of the allopolyploid peat moss Sphagnum palustre probably resul

123 n studied at a population level in a natural allopolyploid plant species.

124 Results showed that karyotype of the nascent allopolyploid plants (AT2) is stable but they showed cle

125 Allopolyploid plants are hybrids that contain two copies

126 In most allopolyploid plants, only homogenetic chromosome pairin

127 hybrids between the synthetic and a natural allopolyploid pollen viability inversely correlated with

128 dence suggests that directional selection in allopolyploids rarely acted on multiple parallel advanta

129 ecular basis for heterosis, particularly for allopolyploids, remains elusive.

130 Polyploids are commonly categorized as allopolyploids resulting from the increase of chromosome

131 xpression patterns among eight organs in the allopolyploid showed that silencing and preferential exp

132 al allopolyploids, but F(1) hybrids and S(1) allopolyploids showed less partitioning of expression th

133 second intron) we show multiple instances of allopolyploid speciation in Persicaria (Polygonaceae), w

134 scussed in the context of recent examples of allopolyploid speciation, which generally involve hybrid

135 , has been involved in at least six cases of allopolyploid speciation.

136 rowly endemic hexaploid, P. puritanorum, the allopolyploid species also are widespread, plastic, ecol

137 Allopolyploid species have often yielded higher mutation

138 udes two classic examples of recently formed allopolyploid species in North America: T. mirus and T.

139 recombination of homoeologous chromosomes in allopolyploid species is central to understanding plant

140 gle orthologous region (Adh1-Adh2) from four allopolyploid species representing each of the known Ory

141 nvestigate the origin of the D genome of the allopolyploid species Triticum aestivum and Aegilops cyl

142 Bread wheat is an allopolyploid species with a large, highly repetitive ge

143 ation could account for the abundance of the allopolyploid species without lateral stamens.

144 is condition is more difficult to fulfill in allopolyploid species, which have more than two sets of

145 Senecio cambrensis is a new allopolyploid species, which originated independently in

146 ay to quantify population differentiation in allopolyploid species.

147 e genomic shock in interspecific hybrids and allopolyploids: Stable inheritance of repeat-associated

148 al genomes, although comparison of auto- and allopolyploids suggests that intergenomic incompatibilit

149 This study investigated 13 allopolyploid systems in North America (10 ferns and thr

150 homoeolog silencing were observed in natural allopolyploids than in F(1) hybrid and synthetic allopol

151 documented in both resynthesized and natural allopolyploids that contain two or more divergent genome

152 In allopolyploids, the problem is compounded because geneti

153 For allopolyploids to produce viable gametes and be fertile,

154 the proteomes of the recently formed natural allopolyploid Tragopogon mirus and its diploid parents (

155 e is a high level of concordance between the allopolyploid transcriptome and translatome overall but

156 Allopolyploids undergo bivalent pairing at meiosis becau

157 Recent studies in hybrids and allopolyploids using transcriptomic, proteomic, metabolo

158 The abiotic niches of the allopolyploids were compared with those of their diploid

159 d on segregation data from selfed progeny of allopolyploids when there is incomplete information abou

160 e A-genome in the diploid hybrid and natural allopolyploids, whereas the direction was reversed in th

161 Newly synthesized Arabidopsis allopolyploids, which display phenotypic instability and

162 Fifteen species seem to be allopolyploids, which is higher than the number found in