ライフサイエンスコーパス: heterosis

1 ess advantages of between-population mating (heterosis).

2 development and may be a major component of heterosis.

3 regions may contribute disproportionally to heterosis.

4 ion in the hybrid and the molecular basis of heterosis.

5 o both parental strains, suggesting positive heterosis.

6 o speculate on mechanisms that might lead to heterosis.

7 cal dominant or overdominant explanations of heterosis.

8 of protein metabolism plays a role in growth heterosis.

9 ons of this work toward our understanding of heterosis.

10 isms, including overdominance, contribute to heterosis.

11 traits including egg-to-adult viability via heterosis.

12 s in the hybrid, which may have an impact on heterosis.

13 rtant role in the generation of the observed heterosis.

14 us showed a significant decrease in apparent heterosis.

15 ight at flowering was the only trait to show heterosis.

16 uantitative trait loci and investigations of heterosis.

17 na, according to the dominance hypothesis of heterosis.

18 re that overdominance does not contribute to heterosis.

19 ly related species, and the genetic basis of heterosis.

20 etic changes are a cause or a consequence of heterosis.

21 us than their parents, a phenomenon known as heterosis.

22 n-level dominance plays an important role in heterosis.

23 ibution of dosage to quantitative traits and heterosis.

24 s line that could contribute to the observed heterosis.

25 ution of parental methylation differences to heterosis.

26 mal productivity through the manipulation of heterosis.

27 lism, thus modulating biomass and leading to heterosis.

28 ay contribute to its high degree of observed heterosis.

29 he sizes of the ears are diagnostic of yield heterosis.

30 ses, and, in plants, may also play a role in heterosis.

31 intensities enhanced both photosynthesis and heterosis.

32 in bioenergetic processes may contribute to heterosis.

33 allelic and/or isoform differences linked to heterosis.

34 fic proteins correlate with higher levels of heterosis.

35 at consistently exhibited either low or high heterosis across a variety of environments were examined

36 This suggests that heterosis alone can alter the course of an invasive rang

37 Heterosis, also known as hybrid vigour, is widespread in

38 We detected heterosis among crosses of RILs with one of the two pare

39 To formulate a molecular basis of heterosis, an understanding of gene expression in inbred

40 y repressed and this correlates with biomass heterosis and biomass quantitative trait loci.

41 lluscs, related phenomena, marker-associated heterosis and distortion of marker segregation ratios, h

42 oost grain yield through the exploitation of heterosis and enhance recurrent selection gain.

43 ting (over)dominance as the genetic cause of heterosis and estimating the (over)dominance coefficient

44 The contributions to heterosis and genetic variation from overdominant mutati

45 ad strongly supports the dominance theory of heterosis and inbreeding depression and establishes the

46 We estimated the magnitude of heterosis and outbreeding depression in the highly selfi

47 ed to explore the molecular genetic basis of heterosis and outbreeding depression, and how their magn

48 population crosses will be a balance between heterosis and outbreeding depression.

49 or maintenance of genetic diversity - social heterosis and social genomes - can similarly explain the

50 ibute to uncovering the mechanistic basis of heterosis and subgenome dominance.

51 at an inhibitor of photosynthesis eliminated heterosis and that higher light intensities enhanced bot

52 Attractive solutions to heterosis and the C-value paradox are mentioned.

53 sive lineages, given the potential for fixed heterosis and the generation of novel genotypes.

54 The importance of heterosis, and in particular allozyme-associated heteros

55 among populations and compared mean fitness, heterosis, and inbreeding depression for eight large and

56 wer and repeatability of allozyme-associated heterosis, and that the allozyme-associated heterosis de

57 he underlying mechanisms for hybrid vigor or heterosis are elusive.

58 put forward to explain the genetic basis of heterosis are the general dominance and the local overdo

59 mic and epigenetic perspectives suggest that heterosis arises from allelic interactions between paren

60 reproductive yield as cumulative outcomes of heterosis at different levels, tissues, and times of dev

61 isease with an earlier onset indicating that heterosis at Esr2 plays a significant role in regulating

62 na) F1 hybrids that show different levels of heterosis at maturity.

63 pecific survival analysis predicts molecular heterosis at Mvb3.

64 We identify several phases of heterosis beginning during embryogenesis and culminating

65 he molecular mechanisms of hybrids vigor (or heterosis) between Dura, Pisifera and their hybrid proge

66 ene regulation, quantitative trait loci, and heterosis, but one that is not easily applied to sexuall

67 herefore, the (over)dominance hypothesis for heterosis can be tested by estimating h, under either do

68 Additionally, negative correlations and heterosis can co-occur in a single population.

69 ing a robust hybridization platform in wheat.Heterosis can rapidly boost yield in crop species but de

70 cepticism that surrounds allozyme-associated heterosis comes from inconsistent and unreliable detecti

71 Ultimately, heterosis depends on the interactions of specific allele

72 heterosis, and that the allozyme-associated heterosis detected in this study was the result of gener

73 Different mechanisms have been proposed for heterosis: dominance, overdominance, epistasis, epigenet

74 tern and epigenetic mechanisms contribute to heterosis during early flower development in allopolyplo

75 We found no evidence for heterosis effecting behaviour.

76 If driven by heterosis, effects of mixture should peak following firs

77 why hybrids can exhibit different levels of heterosis, even within the same species.

78 of genes show overdominance, suggesting that heterosis for expression is rare.

79 Both sets of lines showed heterosis for female fecundity, but heterosis for male f

80 Allozyme-associated heterosis for growth rate was detected only within this

81 e possible mechanisms of allozyme-associated heterosis for growth rate.

82 line consistently displayed parent-of-origin heterosis for growth-related traits.

83 herited in autosomal fashion; the absence of heterosis for male fertility among the MA lines was ther

84 s showed heterosis for female fecundity, but heterosis for male fertility was weak or absent.

85 the mutation-accumulation (MA) lines showed heterosis for pre-adult viability.

86 We measured heterosis for three fitness traits, pre-adult viability,

87 nt an example of discovery and validation of heterosis generated by a combination of repulsion linkag

88 The genetic basis of hybrid vigor or heterosis has been debated for more than a century.

89 The phenomenon of hybrid vigor (heterosis) has long been harnessed by plant breeders to

90 The molecular basis of hybrid vigor (heterosis) has remained unknown despite the importance o

91 However, previous theoretical studies on heterosis have been based on bi-parental segregating pop

92 To understand the genetic basis of heterosis, here we used a subset of F1 hybrids, named a

93 distance between hybridizing parents affects heterosis; however, the mechanisms for this remain uncle

94 ple, the genetic and physiological causes of heterosis (hybrid vigor) have remained elusive for nearl

95 re consistent with the well-known effects of heterosis (hybrid vigour) described when outcrossing ani

96 This arrangement of alleles explains heterosis (hybrid vigour), the increased fitness of the

97 Large increases in biomass and yield in high-heterosis hybrids suggest that alterations in bioenerget

98 roteomes were compared among low- and higher-heterosis hybrids.

99 es between natural populations can result in heterosis if recessive or nearly recessive deleterious m

100 ther, our data suggest that the magnitude of heterosis in A. suecica is environmentally regulated, ar

101 tal lines can directly or indirectly trigger heterosis in Arabidopsis hybrids independent of genetic

102 pite the importance and wide exploitation of heterosis in commercial crop breeding, the molecular mec

103 e of favorable genes to explain the observed heterosis in grain yield and other traits, although epis

104 ession changes in the hybrid correlated with heterosis in important agronomic traits.

105 s been shown to affect metabolic and biomass heterosis in interspecific hybrids or allotetraploids.

106 echanisms that may cause allozyme-associated heterosis in natural populations has proven difficult.

107 depression within populations and increasing heterosis in outcrosses between populations.

108 a useful characteristic for the fixation of heterosis in plant breeding.

109 eveloping hybrids with greater expression of heterosis in productivity and concentrations of provitam

110 ing the early developmental manifestation of heterosis in root tissues of maize hybrids.

111 Increasing SA diminished heterosis in SA-reduced hybrids, whereas decreasing SA p

112 enotypically, the F1 hybrids show remarkable heterosis in silique number and grain yield.

113 aving repulsion linkage between two inbreds, heterosis in the hybrid can appear as a single locus wit

114 e gene-expression patterns underlying growth heterosis in the Pacific oyster (Crassostrea gigas) in t

115 nes among diverse ecotypes are predictive of heterosis in their hybrids.

116 It may be that this example of molecular heterosis in vitro provides the basis for maintenance of

117 Arabidopsis thaliana shows hybrid vigor (heterosis) in progeny of crosses between Columbia-0 and

118 rosis, and in particular allozyme-associated heterosis, in natural populations remains unclear.

119 improved understanding of maize phenotypes, heterosis included.

120 Various models have been posited to explain heterosis, including dominance, overdominance, and pseud

121 Heterosis is a fundamental biological phenomenon charact

122 Heterosis is a main contributor to yield increase in man

123 this study suggest that a major component of heterosis is a mechanism that is modulated by dosage-sen

124 The data show that heterosis is dependent on changes in development through

125 Finally, gene expression heterosis is highly enriched in expression phenotypes wi

126 Heterosis is important for agriculture; however, little

127 Capturing the yield boost from heterosis is one of the few technologies that offers rap

128 Heterosis is the phenomenon whereby the progeny of parti

129 Heterosis is the superior performance of F1 hybrids comp

130 lecular basis of their superior performance (heterosis) is not well understood.

131 In hybrids with low-level heterosis (Landsberg erecta x Columbia-0), chloroplast-t

132 effect was an increase in apparent allozyme heterosis later in ontogeny coinciding with a series of

133 ds included in this study exhibit a range of heterosis levels; however, we did not observe difference

134 se aggressive aquatic weeds may be linked to heterosis maintained by vegetative propagation.

135 gulation, indicating that expression GxE and heterosis may result from the evolution of transcription

136 ctions corresponding to the evolutionary and heterosis mechanisms, asking whether any effects of gene

137 fic combining ability (SCA) and mid-parental heterosis (MPH).

138 nalysis of the congenic lines argues against heterosis of outbred backgrounds contributing to Egfrtm1

139 crosatellite markers and immediate recovery (heterosis) of egg viability and flight metabolic rate in

140 he contribution of overdominant mutations to heterosis or genetic variation.

141 ng depression and the converse phenomenon of heterosis or hybrid vigor remain poorly understood despi

142 inbreeding depression, with its converse of heterosis or hybrid vigor.

143 Heterosis, or hybrid vigor, is the increased performance

144 ynthesis, we describe a case of single-locus heterosis, or overdominance, where the heterozygote disp

145 es identifying a specific genetic example of heterosis, our research indicated that integrated molecu

146 addition to genetic factors contributing to heterosis, our results strongly suggest that epigenetic

147 enotype, revealing effects of strain dosage, heterosis, parent of origin, epistasis, and sex-specific

148 The underlying molecular basis for heterosis, particularly for allopolyploids, remains elus

149 Our data suggest that heterosis provided a 'catapult effect', leaving a lastin

150 We propose that heterosis provides a mechanism to compensate for UCP1 de

151 Heterosis refers to the phenomenon in which an F1 hybrid

152 Heterosis refers to the phenomenon that progeny of diver

153 Heterosis refers to the superior performance of hybrid p

154 the maize inbred lines B73 and Mo17 exhibit heterosis regardless of cross direction.

155 hybrids differed in the level of high-parent heterosis relative to the derived triploid inbreds.

156 responses and the mechanisms responsible for heterosis remain undefined.

157 lating level of heterozygosity and degree of heterosis should take into account this nonuniform distr

158 e correlations are viewed as a phenomenon of heterosis, so that it cannot possibly occur under within

159 As such, modes of inheritance that drive heterosis, such as dominance or overdominance, may be co

160 approximately 350 candidate genes for growth heterosis that exhibit concordant nonadditive expression

161 nd Hardy-Weinberg analysis suggested partial heterosis, that is, an increased risk for heterozygotes,

162 Heterosis, the phenotypic superiority of a hybrid over i

163 inance vs overdominance as an explanation of heterosis; the classical vs balance hypothesis for genet

164 nes directly contribute to, or merely mimic, heterosis, they may aid generation of more vigorous and

165 :1) additive loci, dominant contributions to heterosis to outnumber overdominant, and extensive pleio

166 ing the early developmental manifestation of heterosis under fluctuating environmental conditions in

167 ssed the possible epigenetic contribution to heterosis using epigenetic inbred lines (epiRILs) with v

168 effect; 2) the ranking of factors affecting heterosis was dominance > dominance-by-dominance > over-

169 mplementation hypothesis in a direct manner, heterosis was examined in diploid inbreds and reciprocal

170 fitness was 68% lower in small populations; heterosis was significantly greater for small (mean = 70

171 ensive model to explain the phenomenology of heterosis, we provide the details of what needs to be ex

172 lant size and cell number are reminiscent of heterosis, which also increases plant size primarily thr

173 ci showed a significant increase in apparent heterosis with ontogeny, while one locus showed a signif

174 rom the F2/F3 of a number of crops has fixed heterosis yields in pure breeding lines.