ライフサイエンスコーパス: homoeologous

1 ecies, and does not seem to be influenced by homoeologous 35S rDNA ratios and developmental stage.

2 Two thirds of the duplications are bridging homoeologous A(T) and D(T) chromosomes constitutive of a

3 wo types are most closely related to the two homoeologous Adh loci of the P. arietina group and the r

4 Expression of homoeologous alleles in miR172 target loci is associated

5 llopolyploids create expression variation of homoeologous alleles through protein-protein and protein

6 d that Snn3 and the gene on 5DS are probably homoeologous and derived from a common ancestor.

7 ndels were detected that distinguish the two homoeologous BACs, approximately equally distributed bet

8 d A. suecica, with a significant increase in homoeologous centromere interactions at zygotene.

9 Comparative gene orders along paleo-homoeologous chromosomal segments provide a means to mak

10 wheat chromosome 1A and the closely related homoeologous chromosome 1Am of Triticum monococcum.

11 between three wheat and rye (Secale cereale) homoeologous chromosome arms, and compared them to cross

12 logous pairing) but were also constrained by homoeologous chromosome compensation.

13 ags (ESTs) representing genes onto the seven homoeologous chromosome groups and a global analysis of

14 ed by the coordinators for each of the seven homoeologous chromosome groups to validate the mapping r

15 esults implicate factors influencing meiotic homoeologous chromosome pairing and reveal the type and

16 first layer that would eventually block all homoeologous chromosome pairing in allopolyploids.

17 and gain of chromosomes frequently involved homoeologous chromosome replacement and compensation.

18 GhHOX3 genes are localized to the 12th homoeologous chromosome set of allotetraploid cotton cul

19 Homoeologous chromosomes (chromosomes with common shared

20 h less is known about the q alleles on wheat homoeologous chromosomes 5B (5Bq) and 5D (5Dq).

21 mechanism differentiating overall conserved homoeologous chromosomes across the crown-group Arabidea

22 Our data indicate that exchanges among homoeologous chromosomes are a major mechanism creating

23 mean chiasma or paired arm (PA) frequency of homoeologous chromosomes at meiosis in the population wa

24 routine identification of the corresponding homoeologous chromosomes between the A and C genomes of

25 se I, the presence of multivalents involving homoeologous chromosomes confirms that homoeologous reco

26 what extent the DNA sequence variation among homoeologous chromosomes contribute to the establishment

27 s and efficient sorting of homologous versus homoeologous chromosomes during early prophase I in two

28 Investigating recombination of homoeologous chromosomes in allopolyploid species is cen

29 ability to control aberrant pairing between homoeologous chromosomes in Brassica napus has been iden

30 high frequency of ENCs on five of the eight homoeologous chromosomes in the crown-group genera, but

31 e distribution of chromatin states along the homoeologous chromosomes is limited.

32 In lineages of allopolyploid origin, sets of homoeologous chromosomes may coexist that differ in gene

33 tudy, we establish the identification of all homoeologous chromosomes of allopolyploid B. napus by us

34 ated genomic map describes the first pair of homoeologous chromosomes of an allotetraploid genome in

35 ata were used to assess synteny levels along homoeologous chromosomes of the wheat A, B, and D genome

36 Meiotic chromosome pairing between homoeologous chromosomes was reported in many nascent al

37 ach mapping to one locus on one of the three homoeologous chromosomes within groups 1, 2, 3 and 7 of

38 Homoeologous chromosomes within the Triticeae preserved

39 sion abundance, and biased exchanges between homoeologous chromosomes, as compared with the other sub

40 dactylon genome comprises 2 complete sets of homoeologous chromosomes, each with approximately 30 000

41 ivergence time calculated here for the three homoeologous chromosomes, on the basis of coding and int

42 on to few, early-occurring exchanges between homoeologous chromosomes, there are numerous recent chro

43 tion, which promotes meiotic pairing between homoeologous chromosomes, was employed to induce recombi

44 new cytogenetic tools to identify all of the homoeologous chromosomes, we conducted a cytological inv

45 he teff genome contains two complete sets of homoeologous chromosomes, with most genes maintaining as

46 and highly variable across the seven sets of homoeologous chromosomes.

47 dance of genetic crossover formation between homoeologous chromosomes.

48 tetraploid crop species with closely related homoeologous chromosomes.

49 Despite possessing multiple sets of related (homoeologous) chromosomes, hexaploid wheat (Triticum aes

50 hilst suppressing crossover between related (homoeologous) chromosomes.

51 used to detect possible biased expression of homoeologous copies of proteins.

52 Comparative sequence analysis of the three homoeologous copies of the wheat PhyC gene and of some 5

53 The three homoeologous copies share 95-97% sequence similarity at

54 or divergence or partitioning of function in homoeologous copies.

55 e than 56% of all genes were retained in two homoeologous copies.

56 le ssIIIa mutants carrying mutations in each homoeologous copy of ssIIIa (A, B and D).

57 ; the only difference between homologous and homoeologous crossing over appears to be in frequency.

58 ults also reveal that loss of suppression of homoeologous crossover between wheat chromosomes does no

59 In all intervals analyzed, homoeologous crossovers fell within the range of frequen

60 efficiency of Ph1 and the general pattern of homoeologous crossovers in its absence are quite well kn

61 h their genomic outcomes, demonstrating that homoeologous crossovers underlie genomic instability in

62 nsequence of nascent allopolyploidization is homoeologous exchange (HE), which arises from compromise

63 of progeny revealed 20-fold higher levels of homoeologous exchange and eightfold higher aneuploidy or

64 l shifts in parental genome dosage caused by homoeologous exchange, supporting a causal connection wi

65 Homoeologous exchanges (HEs) may lead to the formation o

66 We also observed that homoeologous exchanges can generate megabase scale INDEL

67 Homoeologous exchanges showed a strong distal bias and o

68 ct no large-scale structural rearrangements, homoeologous exchanges, or biased gene loss, in contrast

69 ously generates striking diversity, and that homoeologous exchanges-abundant in early generations fol

70 y and identifies several balanced reciprocal homoeologous exchanges.

71 of a polyploid genome with its phenomena of homoeologous expression bias, detailed analysis on the w

72 sis, and identify the regulatory role of two homoeologous G2-like TFs on fiber length.

73 A homoeologous gene (Bn-CLG1C), which shows 99.5% amino ac

74 The frequency and expression of homoeologous gene alleles showing strong expression dosa

75 Both gene expression levels and homoeologous gene expression bias are correlated with ch

76 allopolyploids, the conditional dynamics of homoeologous gene expression can be either inherited fro

77 Analyses of homoeologous gene expression during development of this

78 enotypes demonstrated unique patterns of the homoeologous gene expression under moderate and extreme

79 loid cotton (Gossypium) to determine whether homoeologous gene pairs are expressed at equal levels af

80 e for decreased expression divergence of the homoeologous gene pairs in the allopolyploid F1 hybrids

81 re mainly manifested as a high proportion of homoeologous gene pairs showing unequal expression.

82 abidopsis thaliana We identified a set of 92 homoeologous gene pairs that all show a similar pattern

83 Expression of 40 homoeologous gene pairs was assayed by cDNA-single-stran

84 nsion and contraction were observed and rich homoeologous gene pairs with biased expression patterns

85 e differential regulation or modification of homoeologous gene products, as well as novel patterns in

86 that may result from the interaction between homoeologous gene products.

87 years old allotetraploid has a high level of homoeologous gene retention and lacks subgenome dominanc

88 demonstrated that polyploids are affected by homoeologous gene silencing, a process in which sub-geno

89 yper- or neofunctionalization of a redundant homoeologous gene.

90 In isolated subpopulations, alternate (homoeologous) gene copies can be lost, creating incompat

91 controlled by dominant gene action from two homoeologous genes (ahFAD2A and ahFAD2B) exhibiting comp

92 Each of the two rapeseed homoeologous genes (Bn-FAE1.1 and Bn-FAE1.2) encoding is

93 gate the circadian balance between sets of 3 homoeologous genes (triads) from hexaploid bread wheat.

94 ght stress, and divergent APA patterns among homoeologous genes add extensive plasticity to this resp

95 tative changes in the expression of specific homoeologous genes and anonymous cDNA amplified fragment

96 mechanisms for functional divergence between homoeologous genes are poorly understood.

97 Our results suggest that duplicated homoeologous genes are under purifying selection.

98 but also provide a fresh perspective on how homoeologous genes contribute to adaptability through tr

99 Interestingly, homoeologous genes exhibit unequal numbers of poly(A) si

100 Most of them were represented by three homoeologous genes expressed uniformly.

101 nknown how the clock regulates expression of homoeologous genes in polyploids.

102 ntains ABD subgenomes, how the expression of homoeologous genes is coordinated remains largely unknow

103 Further characterization of how these homoeologous genes mediate recognition of the same patho

104 mes in ABD hexaploid wheat, and sequences of homoeologous genes on 1AS, 1BS and 1DS often differ from

105 ific AS events and estimate that c. 51.4% of homoeologous genes produce divergent isoforms in each su

106 RNAs in functional divergence between target homoeologous genes that are important for evolution and

107 ion of gene fractionation in the subgenomes, homoeologous genes were expressed at higher levels in on

108 ntly, the high sequence conservation between homoeologous genes, together with the large genome size

109 ry interactions among functionally redundant homoeologous genes.

110 ructural changes and expression variances of homoeologous genes.

111 C genes are single copy in each of the three homoeologous genomes and map to orthologous positions on

112 Triticum aestivum L.) carries three pairs of homoeologous genomes but its meiotic pairing is diploid-

113 omprehensive comparative annotation of eight homoeologous genomes from a single orthologous region (A

114 Combining two or more related homoeologous genomes in a single nucleus, newly formed a

115 They are conserved when comparing homoeologous genomes of diploid, tetraploid, and hexaplo

116 f the lack of genomic sequence and the three homoeologous genomes which give rise to three very simil

117 ctional properties are identified in the two homoeologous genomes.

118 of the Q/q locus are highly divergent among homoeologous genomes.

119 ining related but not completely homologous (homoeologous) genomes (allopolyploidy).

120 e changes that have occurred in 12 surviving homoeologous genomic regions from three rounds of polypl

121 e major findings of this study are that: (i) homoeologous genomic regions within the same nucleus exp

122 contigs that represent a variable number of homoeologous genomic regions.

123 on length (FL) 0.8 of the short arm of wheat homoeologous group 1 chromosomes and is called '1S0.8 re

124 ags (ESTs) generated 2212 EST loci mapped to homoeologous group 1 chromosomes in hexaploid wheat (Tri

125 r and with a consensus physical map of wheat homoeologous group 1.

126 high-density EST chromosome bin map of wheat homoeologous group 2 chromosomes to determine the distri

127 TA-ACS2 is located on the long arm of homoeologous group 2 chromosomes.

128 We found six members of TaNPR1 located on homoeologous group 3 chromosomes (designated as TaG3NPR1

129 y physical and genetic-linkage maps of wheat homoeologous group 3 chromosomes and reveal the physical

130 ped ESTs was not significantly different for homoeologous group 3 chromosomes compared to the other g

131 for 2266 restriction fragments (loci) on the homoeologous group 3 chromosomes of hexaploid wheat (Tri

132 sensus ESTs) was found between wheat ESTs on homoeologous group 4 and the Arabidopsis genome.

133 were mapped to wheat (Triticum aestivum L.) homoeologous group 4 chromosomes using a set of deletion

134 f these 1918 loci mapped to the long arms of homoeologous group 4 chromosomes, while 35% mapped to th

135 Forty-two percent of the homoeologous group 4 ESTs could be classified into funct

136 A consensus map for homoeologous group 4 was developed from 119 ESTs unique

137 A group of probes located in wheat homoeologous group 5 and barley chromosome 5H, however,

138 rved between low-copy-number ESTs from wheat homoeologous group 5 and rice chromosomes 12 (88 ESTs),

139 all colinearity was observed among the three homoeologous group 5 chromosomes, except for the previou

140 markers on an array of 65 deletion lines for homoeologous group 5 chromosomes.

141 iticum aestivum L.) ESTs on chromosomes, 882 homoeologous group 6-specific ESTs were identified by ph

142 osomes (designated as TaG3NPR1) and three on homoeologous group 7 chromosomes (designated as TaG7NPR1

143 tructural copies one each on the three wheat homoeologous group 7 chromosomes.

144 o the proximal 15% of the short arm of wheat homoeologous group 7 chromosomes.

145 develop a high-density chromosome bin map of homoeologous group 7 in hexaploid wheat (Triticum aestiv

146 robes and were used to construct a consensus homoeologous group 7 map.

147 Duplications of group 1 ESTs in other homoeologous groups occurred at a rate of 35.5%.

148 the cumulative results of EST mapping in all homoeologous groups, as reported elsewhere, that found t

149 bacina plants, DNA sequence variation at one homoeologous histone H3-D locus identified three alleles

150 Approximately 76% of homoeologous lncRNAs exhibit biased expression patterns

151 pid initiation of differential expression of homoeologous loci and nonadditive gene expression in T.

152 lated genes; DNA methylation changes between homoeologous loci are associated with homoeolog-expressi

153 ive mapping to characterize the evolution of homoeologous loci in allopolyploid cotton (Gossypium hir

154 oids, trans effects drive expression of both homoeologous loci into the same direction.

155 The likelihood of homoeologous loci regulating ABA accumulation, leaf size

156 occurred with intensification of signal from homoeologous markers, indicating that the changes were d

157 We further show that homoeologous meiotic pairing was positively correlated w

158 In the tetraploid C. arabica, a homoeologous non-reciprocal transposition (HNRT) was det

159 ers, indicating that the changes were due to homoeologous nonreciprocal transpositions (HNRTs).

160 llelic dosage effects of the GmLEC1a/GmLEC1b homoeologous pair relevant to LEC1, pseudogenization of

161 reduction of GmWRI1b of the GmWRI1a/GmWRI1b homoeologous pair relevant to WRI1, complementary non-al

162 Homoeologous pairing is gradually eliminated and replace

163 d chromosomal translocations consistent with homoeologous pairing were more frequent in the synthetic

164 rom meiotic pairing irregularity (presumably homoeologous pairing) but were also constrained by homoe

165 higher conformational divergence between the homoeologous pairs than their respective counterparts.

166 Two homoeologous QTLs for number of spikelets per spike (SPS

167 eme favorable for inducing and detecting the homoeologous recombinants with small goatgrass chromosom

168 This study is the first to assess homoeologous recombination and map associated QTLs resul

169 lar markers to utilise this trait to exploit homoeologous recombination in a crop.

170 dentified that contributed to the control of homoeologous recombination in the important oilseed crop

171 lving homoeologous chromosomes confirms that homoeologous recombination occurs in the first-generatio

172 for the understanding of chromosome pairing, homoeologous recombination, and genome evolution in the

173 s were seen in strains with defects allowing homoeologous recombination.

174 in fertility, meiotic behavior and levels of homoeologous recombination.

175 napus, which has adapted to largely control homoeologous recombination.

176 oughput genotyping to quantify the levels of homoeologous recombination.

177 ed frequent dosage variation and deleterious homoeologous recombination.

178 suggest that gene expression changes in this homoeologous region are associated with genetic diversit

179 ere obtained for sorghum, rice, and the adh1-homoeologous region of maize, a remnant of the tetraploi

180 of the genes not present in the discernible homoeologous regions appear to be located elsewhere in t

181 Only a small fraction of the homoeologous regions harboring selected variants overlap

182 Homoeologous regions of Brassica genomes were analyzed a

183 The two homoeologous regions of maize have been particularly uns

184 esults indicate asymmetric evolution between homoeologous regions of soybean as evidenced by structur

185 f these duplications, we sequenced two ~1-Mb homoeologous regions of soybean, Gm8 and Gm15, derived f

186 identified and sequenced clones that contain homoeologous regions of the genome including stearoyl-AC

187 ix regions of the genome of B. rapa with the homoeologous regions of the genomes of B. oleracea and A

188 The size of homoeologous regions ranged from 1.5 to 106.4 cM, with a

189 tiple parallel advantageous mutations across homoeologous regions, likely indicating that a fitness b

190 protein and oil showed correspondence across homoeologous regions, suggesting that the genes or gene

191 a paleopolyploid genome that is a mosaic of homoeologous regions.

192 d restrains intergenic recombination between homoeologous repeat-encoding sequences.

193 ralogous segments and between them and their homoeologous segment within the genome of Arabidopsis.

194 y connected genes in the 12 highly conserved homoeologous segments may in part explain their retentio

195 onserved across the Brassica genomes and the homoeologous segments of the genome of Arabidopsis thali

196 2 kb region of the genome of Arabidopsis and homoeologous segments of the genome of B. oleracea.

197 en the B. rapa paralogous segments and their homoeologous segments within the genome of Arabidopsis.

198 wheat is determined to a large extent by the homoeologous series of Photoperiod 1 (Ppd1) genes.

199 um and T. turgidum, the gene is present in a homoeologous series.

200 nce of expression of individual members of a homoeologous set of genes in a polyploid is a well-estab

201 rm to detect the pattern of expression of 20 homoeologous sets of single-copy genes known to be affec

202 There was no evidence for any homoeologous silencing at seven of the fifteen genes, bu

203 ce was sought as to whether the frequency of homoeologous silencing in in vitro cultured wheat callus

204 Our results suggest that much of the homoeologous silencing observed in differentiated tissue

205 pe, so given the ubiquity and variability in homoeologous silencing observed in wheat, we suggest tha

206 However, the extent to which such 'homoeologous silencing' can vary between individual geno

207 y important plants are allopolyploids, where homoeologous similarity obscures the subgenomic origin o

208 ic origin of reads and confounds allelic and homoeologous SNPs.

209 We revealed homoeologous specific variations among TaCLPB gene copie

210 We are able to partition the genome into two homoeologous subgenomes based on different genetic dista

211 c distribution of transposons across the two homoeologous subgenomes proves Miscanthus paleo-allotetr

212 . laevis by partitioning its genome into two homoeologous subgenomes, marked by distinct families of

213 Homoeologous synapsis was its primary source and may sti

214 This is the effect of the Ph (pairing homoeologous) system which restricts chromosome pairing

215 -nine percent of these ESTs were found to be homoeologous to sequences on rice chromosome 3, 12% had

216 e inhibiting threshability in wild emmer was homoeologous to Tg-D1 and therefore designated Tg-B1.

217 n-protein and protein-DNA interactions among homoeologous transcription factors in the circadian-cloc

218 nalysis was applied to measure expression of homoeologous transcripts and further verify microarray d

219 e the frequency of nonadditive expression of homoeologous transcripts in newly formed T. aestivum.

220 t of selection on variants distributed among homoeologous wheat genomes and to build a foundation for

221 eneral patterns of homologous (with Ph1) and homoeologous (with ph1b) crossing over are the same.