ライフサイエンスコーパス: Daphnia

1 . acute and chronic tests (in the absence of Daphnia).

2 reproduction in the aquatic microcrustacean Daphnia.

3 tion in the aquatic key species of the genus Daphnia.

4 tness and epigenome of the keystone species, Daphnia.

5 movement of the appendages of the Crustacea Daphnia.

6 d Drosophila cells to model HIF signaling in Daphnia.

7 planktonic organisms such as the water flea Daphnia.

8 50 impairs nutrient utilization or uptake in Daphnia.

9 ession of nine genes potentially involved in Daphnia acclimation to cyanobacteria: six protease genes

10 50 (i.e., BZ54) were significantly higher in Daphnia after 48 h following 1/10 LC50 exposure.

11 Comparison with the model arthropod Daphnia allows some insights into defining characteristi

12 the functional responses of the small-bodied Daphnia ambigua and the larger Daphnia pulicaria.

13 these predictions in natural populations of Daphnia ambigua from lakes that vary in the severity and

14 Using new data for the zooplankter Daphnia ambigua, we also find genotypic variation in the

15 system genes from the cladoceran crustacean Daphnia and examined DNA sequence diversity.

16 unction was essential to the SSRI effects on Daphnia and linking them to the pharmacological effects

17 For Daphnia and other species, critical movement parameters

18 tems in defended and undefended genotypes in Daphnia and possibly in other prey organisms as well.

19 phytoplankton (chlorophyll a), zooplankton (Daphnia) and fish (perch, Perca fluviatilis) in two basi

20 Zooplankton (Holopedium, Daphnia, and Leptodiaptomus) are comprised of approximat

21 gh an aquatic food chain, from algae through Daphnia, and studied the effects on behavior and metabol

22 Daphnia are found in lakes with (i) anadromous alewife (

23 Daphnia are rare year-round in 'landlocked lakes' and ar

24 , where cascades are usually seen when large Daphnia are the primary herbivores, but not when smaller

25 Our results confirm the attractiveness of Daphnia as a model organism, because the high nucleotide

26 Daphnia avoided the predators using the horizontal and v

27 these and other areas, as genomic tools for Daphnia become widely available to investigators.

28 in newly identified serotonin-neurons in the Daphnia brain mediate these effects.

29 pid accumulation in droplets is regulated in Daphnia by the interaction between the nuclear receptor

30 Additionally, crustaceans (Daphnia, Caligus, and Lepeophtheirus) and some insects (

31 ts suggest a complex mechanistic response in Daphnia characterized by interactions between DNA methyl

32 citrate-nAg; (ii) Daphnia + predator; (iii) Daphnia + citrate-nAg + predator; and (iv) Daphnia only

33 g four different treatment combinations: (i) Daphnia + citrate-nAg; (ii) Daphnia + predator; (iii) Da

34 hnikowia bicuspidata) in a zooplankton host (Daphnia dentifera) among lakes.

35 experimental data using a zooplankton host (Daphnia dentifera) that consumes spores of a fungus (Met

36 ing a planktonic system (a zooplankton host, Daphnia dentifera, and its virulent fungal parasite, Met

37 apping 342 tentative orthologous gene pairs (Daphnia/Drosophila) into the Daphnia linkage map, we fac

38 ith a consumer-resource system of crustacean Daphnia eating algae, Nelson et al. suggest that mainten

39 Between 25 and 30 degrees C, both species of Daphnia experienced a precipitous drop in feeding rates,

40 Our results show that Daphnia exposed to low levels of TNT presented hormetic

41 Vitamin B12 had a positive influence on Daphnia fitness and we provide evidence demonstrating th

42 llocation towards growth and reproduction in Daphnia found in lakes with anadromous alewife.

43 We reared replicate populations of Daphnia from all three lake types and quantified lifetim

44 Daphnia from anadromous lakes produced significantly mor

45 e number of reproductive bouts compared with Daphnia from lakes with landlocked and no alewife.

46 odied Daphnia species, Daphnia pulicaria and Daphnia galeata mendotae, were present.

47 ng cyanobacteria in the diet of experimental Daphnia galeata populations composed of eight genotypes.

48 an clearly be used to monitor changes in the Daphnia-generated fluid outflow on a different time scal

49 We suggest that the differences in Daphnia genetic diversity that they find for different e

50 ecome the anchor for the physical map of the Daphnia genome and will serve as a starting point for ma

51 review recent progress in selected areas of Daphnia genomics research.

52 n, pi(s), averaged 0.0136 for species in the Daphnia genus, and are slightly lower than most prior es

53 te (c/u), averaged 0.5255 for species of the Daphnia genus.

54 The promoter regions of the Daphnia globin genes each contain numerous hypoxia respo

55 , however, warming resulted in a decrease in Daphnia grazing effectiveness.

56 aturated fatty acids known to be involved in Daphnia growth and reproduction.

57 i to t-POC-dominated diets greatly increased Daphnia growth and reproduction.

58 When offered alone, t-POC resulted in a Daphnia growth efficiency of 5 +/- 1%, whereas 100% Cryp

59 However, Daphnia growth rate was 3.5 times greater when fed high-

60 The keystone aquatic herbivore Daphnia has been studied for more than 150 years in the

61 Daphnia has recently received increased attention becaus

62 Past work on Daphnia has shown that the level of sexual recruitment (

63 ty of several waterflea species of the genus Daphnia have been found to be inducible defenses activat

64 e to specifically bind human, Drosophila, or Daphnia HIF complexes in vitro.

65 Daphnia HIF, bound to human HRE sequences, was detected

66 ration (C)) on the chronic toxicity of Cl to Daphnia in soft-water bioassays.

67 tapopulations of two species of water fleas (Daphnia) in the skerry archipelago of southern Finland.

68 vival test showed a significant mortality of Daphnia individuals in the presence of predators, with o

69 When the herbivore Daphnia is added, coexistence is eliminated or greatly r

70 lts suggest that a salt-tolerant genotype of Daphnia is characterised by constitutively expressed gen

71 roximated by a chain (typically, those where Daphnia is the dominant herbivore), as predicted by food

72 ossing two genetically divergent lineages of Daphnia isolated from two Oregon populations.

73 (NaCl or CaCl2) did not affect the Cl LC50, Daphnia life history parameters, or the intrinsic rate o

74 amplified gene families are specific to the Daphnia lineage.

75 ous gene pairs (Daphnia/Drosophila) into the Daphnia linkage map, we facilitate future comparative pr

76 ics of the non-native cladoceran zooplankter Daphnia lumholtzi and a native congener Daphnia pulex in

77 ior to invasion by a non-native zooplankter, Daphnia lumholtzi.

78 zation were significantly overrepresented in Daphnia magna (DM) exposed to sublethal doses of presume

79 bly exceed acute toxicity concentrations for Daphnia magna .

80 the antibiotic trimethoprim on microbiota of Daphnia magna and concomitant changes in the host feedin

81 formed using ground beef and was verified in Daphnia magna and Lumbriculus variegatus .

82 ate-AgNPs, in comparison to dissolved Ag, in Daphnia magna and Lumbriculus variegatus; and (ii) inves

83 says, the immobilization of the invertebrate Daphnia magna and the bioluminescence inhibition of the

84 rics based on the most sensitive species and Daphnia magna as benchmark.

85 mulation of storage lipids in the crustacean Daphnia magna can be altered by a number of exogenous an

86 Previous toxicity tests with Daphnia magna exposed to binary mixtures of Ni combined

87 It was found that at the LC50 level of Daphnia magna exposed to the nanoparticle suspensions, t

88 ity to represent lethal effects observed for Daphnia magna exposed to triphenyltin.

89 n polymerase chain reaction assays targeting Daphnia magna genes were calibrated to responses elicite

90 d strain-specific immunity in the crustacean Daphnia magna infected with the pathogenic bacteria Past

91 Daphnia magna is a bioindicator organism accepted by sev

92 Case studies on a Cu test pattern, a Daphnia magna model organism and a perlite biocatalyst s

93 gated the chronic toxicity to the water flea Daphnia magna of two HFFRs, aluminum diethylphosphinate

94 heir core structure and surface chemistry to Daphnia magna over a 21-day chronic exposure.

95 recently investigated in the microcrustacean Daphnia magna over a three-generation exposure (F0, F1,

96 ne reuptake inhibitor, on the life traits of Daphnia magna over two generations under environmentally

97 We used the individual based Daphnia magna population model IDamP as a virtual labora

98 rse and representative sample of one natural Daphnia magna population that was exposed to copper and

99 take inhibitors (SSRIs) and 4-nonylphenol in Daphnia magna reproduction were studied in juveniles and

100 ian vegetation) and various phytoplankton on Daphnia magna somatic growth, reproduction, growth effic

101 ug L(-1) as total Ag) on the interactions of Daphnia magna Straus (as a prey) with the predatory drag

102 A population experiment with Daphnia magna tested the hypothesis that short-term feed

103 x (branchiopod) genome and identify genes in Daphnia magna that are known to be required for the sele

104 that exposure of the freshwater invertebrate Daphnia magna to dietary Zn may selectively affect repro

105 ent with replicate laboratory populations of Daphnia magna to test this hypothesis.

106 chanisms underlying the hormetic response of Daphnia magna to the energetic trinitrotoluene (TNT).

107 gated the response of the nontarget organism Daphnia magna to waterborne DiPel ES, a globally used Bt

108 , maturation, reproduction, and survival) of Daphnia magna under surplus and reduced food availabilit

109 toxicity to the model freshwater crustacean Daphnia magna was characterized utilizing acute (48 h me

110 The cladoceran Daphnia magna was used in two experiments that were cond

111 uction, and malformations of the zooplankter Daphnia magna were assessed.

112 epuration experiments for Gammarus pulex and Daphnia magna were conducted to quantitatively analyze b

113 Daphnia magna were exposed to TNT for 21 days, and a sig

114 onal variation in cyclically parthenogenetic Daphnia magna with respect to parasitic infection.

115 Condensate completely dissolved Daphnia magna within 24 h.

116 uring phytoplankton deficiency, zooplankton (Daphnia magna) can benefit from terrestrial particulate

117 sence of a less sensitive competing species (Daphnia magna).

118 we used a 15k oligonucleotide microarray for Daphnia magna, a freshwater crustacean and common indica

119 methylation patterns in the microcrustacean Daphnia magna, a model organism in ecotoxicology and ris

120 signalling in a crustacean, the branchiopod Daphnia magna, and show that it is required in neural st

121 With the aquatic Daphnia magna, anthracene, chrysene, and benzo(a)pyrene

122 f metal mixtures (Ni, Zn, Cu, Cd, and Pb) to Daphnia magna, Ceriodaphnia dubia, and Hordeum vulgare w

123 s, carbon transfer between phytoplankton and Daphnia magna, D. magna mobility and growth, responded t

124 median acute effect concentration (EC50) for Daphnia magna, depending on the model specification and

125 dokirchneriella subcapitata, and a consumer, Daphnia magna, is affected by acute exposure of gamma ra

126 eshwater invertebrate-parasite system (host: Daphnia magna, parasite: Pasteuria ramosa), we quantifie

127 or different freshwater organisms, including Daphnia magna, rainbow trout and juvenile crayfish, and

128 nes that exist in the fresh-water crustacean Daphnia magna, several are individually induced by hypox

129 In the water flea Daphnia magna, SSRIs increase offspring production in a

130 shwater invertebrates Ceriodaphnia dubia and Daphnia magna, suggesting that the aquatic toxicity is p

131 ign consisted of two developmental stages of Daphnia magna, two levels of nTiO2 (0 versus 2 mg/L) as

132 12 availability and methotrexate exposure on Daphnia magna, which we hypothesised should have an oppo

133 Using the natural host-parasite system Daphnia magna-Pasteuria ramosa, we performed experimenta

134 citrate-AgNPs) against a keystone crustacean Daphnia magna.

135 re known to increase offspring production in Daphnia magna.

136 early life stage zebrafish (Danio rerio) and Daphnia magna.

137 nd predation risk on the body composition of Daphnia magna.

138 e-history traits of a key aquatic herbivore, Daphnia magna.

139 e effects were explored using the cladoceran Daphnia magna.

140 of the algae Chlorella vulgaris and daphnid Daphnia magna.

141 d its transformation products to the daphnid Daphnia magna.

142 of nTiO2 and differing organic materials on Daphnia magna.

143 rmethrin, on the mortality of the crustacean Daphnia magna.

144 ns was assessed on the freshwater crustacean Daphnia magna.

145 e and xenobiotics on oxidative biomarkers in Daphnia magna.

146 s of the genus, this suggests that the genus Daphnia may be considerably younger than previously thou

147 les exceeded available diet, indicating that Daphnia may convert a part of their dietary carbohydrate

148 Daphnia MeHg assimilation efficiencies (approximately 95

149 icity in rapid adaptation of the zooplankton Daphnia melanica to novel fish predators.

150 ntal and vertical movements, indicating that Daphnia might have perceived a significant risk of preda

151 s estimates of the gene conversion rate from Daphnia mutation accumulation lines, we are able to age

152 ansion segment 43/e4 of the 18S rRNA gene in Daphnia obtusa have examined this variation in six indiv

153 ) Daphnia + citrate-nAg + predator; and (iv) Daphnia only (control).

154 We also show that swarms of Daphnia plankton are a natural source of electrical nois

155 l stability and their associated patterns of Daphnia population structure.

156 Daphnia populations coexisting with recently introduced

157 that direct life history shifts in algae and Daphnia populations may occur as a result of exposure to

158 Epidemics grew larger in more dense Daphnia populations, but host density was unrelated to h

159 tical and empirical studies, particularly in Daphnia populations, have helped to establish that genet

160 able experiments were performed for two such Daphnia populations.

161 ombinations: (i) Daphnia + citrate-nAg; (ii) Daphnia + predator; (iii) Daphnia + citrate-nAg + predat

162 we take advantage of the recently published Daphnia pulex (branchiopod) genome and identify genes in

163 families responsive to Microcystis stress in Daphnia pulex .

164 ide variation in six protein-coding loci for Daphnia pulex and its congeners with particular emphasis

165 ions, growth and ingestion rates in juvenile Daphnia pulex fed either high (C:P = 139) or low-quality

166 When exposing two different Daphnia pulex genotypes (a cadmium-sensitive and a cadmi

167 te and spectrum of mutations obtained in two Daphnia pulex genotypes via separate mutation-accumulati

168 kter Daphnia lumholtzi and a native congener Daphnia pulex in ambient temperature environments (contr

169 sis of 11 sexual and 11 asexual genotypes of Daphnia pulex indicates that current asexual lineages ar

170 The cyclical parthenogen Daphnia pulex is a powerful model in which to address th

171 Daphnia pulex is a widely used toxicological model and i

172 es between the whole-genome sequences of two Daphnia pulex isolates.

173 The microcrustacean Daphnia pulex provides a potentially powerful tool for i

174 Here, we studied clonal richness of the Daphnia pulex species complex in novel periglacial habit

175 ponds disable the ability of the water flea, Daphnia pulex to respond effectively to its predator, la

176 e describe the first genetic linkage map for Daphnia pulex using 185 microsatellite markers, includin

177 karyotic organisms, Drosophila melanogaster, Daphnia pulex, Ciona intestinalis and Strongylocentrotus

178 Paland and Lynch showed that in Daphnia pulex, the ratio of amino acid replacement to si

179 fR protein subunits Met and SRC, cloned from Daphnia pulex, were fused to the fluorophore, mAmetrine

180 ribe the draft genome of the microcrustacean Daphnia pulex, which is only 200 megabases and contains

181 enorhabditis elegans and the microcrustacean Daphnia pulex.

182 an in sexual lineages of the microcrustacean Daphnia pulex.

183 tic populations of the cladoceran crustacean Daphnia pulex.

184 l habitats out of which 61 were colonized by Daphnia pulex.

185 ther lakes, decreasing biomass of the grazer Daphnia pulicaria and causing a decline in water clarity

186 onditions when large-bodied Daphnia species, Daphnia pulicaria and Daphnia galeata mendotae, were pre

187 Daphnia pulicaria performed significantly better at cold

188 In the present study, on a permanent lake Daphnia pulicaria population, sexual reproduction result

189 gle Nucleotide Polymorphic (SNP) markers for Daphnia pulicaria using the reduction in genomic complex

190 generation time, on deleterious mutation in Daphnia pulicaria, a cyclically parthenogenic aquatic mi

191 mant eggs of the keystone aquatic herbivore, Daphnia pulicaria, suggested no change for c. 1500 years

192 es that introgression from a sister species, Daphnia pulicaria, underlies the origin of the asexual p

193 tructure of the keystone zooplankton grazer, Daphnia pulicaria, using dormant eggs extracted from sed

194 four populations of the cyclical parthenogen Daphnia pulicaria, which vary predictably in their incid

195 small-bodied Daphnia ambigua and the larger Daphnia pulicaria.

196 effective supply of P is greatly reduced as Daphnia rapidly recycles N.

197 Daphnia reproduction was slightly enhanced by approximat

198 First, resources should stimulate Daphnia reproduction, potentially elevating host density

199 ever, with citrate-nAg + predator treatment, Daphnia response did not differ from control in the vert

200 tion of organic contaminants in sediments in Daphnia resting eggs (ephippia).

201 More than a third of Daphnia's genes have no detectable homologs in any other

202 the obesogenic disruption in mammals, alters Daphnia's growth and reproductive investment.

203 Overall, our results suggest Daphnia selectively allocate phytoplankton-derived POC a

204 Exposed Daphnia showed a reduced body size and severe alteration

205 A paleoecological assessment of Daphnia shows that this sentinel zooplankter has not yet

206 was examined in standard OECD media used for Daphnia sp. acute and chronic tests (in the absence of D

207 generally followed expectations, making both Daphnia species more effective grazers, with the increas

208 collection of D. pulex isolates and outgroup Daphnia species shows that most polymorphisms are a cons

209 creases the stability of the carapace in two Daphnia species up to 350%.

210 hypereutrophic conditions when large-bodied Daphnia species, Daphnia pulicaria and Daphnia galeata m

211 Daphnia-specific genes, including many additional loci w

212 We estimated Daphnia steady-state MeHg concentrations, using a biokin

213 a wide variety of new genomic resources, the Daphnia system is quickly becoming a promising new avenu

214 ol for future population genomics surveys in Daphnia targeting informative regions related to physiol

215 Steady-state MeHg concentrations in Daphnia that consumed high-quality algae were one-third

216 d high-quality algae were one-third those of Daphnia that consumed low-quality algae due to higher gr

217 we describe a gut parasite of the crustacean Daphnia that despite having remarkable morphological sim

218 Daphnia that obtained 80% of their available food from t

219 ow in mutation-accumulation lines of asexual Daphnia that the rate of loss of nucleotide heterozygosi

220 erability of the smaller juvenile instars of Daphnia, the stages most susceptible to Chaoborus predat

221 of two species of cyclically parthenogenetic Daphnia to assess the effect of partial asexual reproduc

222 lighted differential methylation patterns in Daphnia upon exposure to Microcystis primarily in exonic

223 d by experimental studies of the zooplankton Daphnia, we model foraging animals as "agents" moving in

224 the vertical migration test, suggesting that Daphnia were unable to detect the presence of predator w

225 acterial blooms, especially species of genus Daphnia, which are key-species in lake ecosystems.

226 The planktonic microcrustacean Daphnia, which has long been an important system for eco

227 etapopulations of two species of waterfleas (Daphnia) with the aim to understand how these dynamics i