ライフサイエンスコーパス: phototaxis

1 ere retinal degeneration beyond mere loss of phototaxis.

2 putative photoreceptor (TaxD1) for positive phototaxis.

3 ototaxis that is only partly correlated with phototaxis.

4 sJ1) lacked positive but maintained negative phototaxis.

5 at least two light input pathways regulating phototaxis.

6 be the photoreceptor that mediates positive phototaxis.

7 s, demonstrating that each receptor mediates phototaxis.

8 gulatory elements and type IV pilus-mediated phototaxis.

9 of which two, Tax1 and Tax3, are involved in phototaxis.

10 is locus is involved in controlling positive phototaxis.

11 ay from a light source by a process known as phototaxis.

12 lor discriminating receptor in halobacterial phototaxis.

13 tes that is part of a mechanism of bacterial phototaxis.

14 l amounts of chlorophyll, and do not exhibit phototaxis.

15 iously identified role in promoting positive phototaxis.

16 ents, while the Ptx system controls positive phototaxis.

17 stimulus into directional movement known as phototaxis.

18 bution of the photoreceptor TaxD1 (PixJ1) to phototaxis.

19 l cyclase activity negatively affects fungal phototaxis.

20 pon left-right light imbalance during visual phototaxis.

21 ding periodic growth and collapse as well as phototaxis.

22 ons to transmit signals to HtrII and mediate phototaxis.

23 i is a photoreceptive organelle required for phototaxis.

24 ptimal motility, but it is not essential for phototaxis.

25 dynein, however, bop5 strains exhibit normal phototaxis.

26 and OFF pathways play distinct roles during phototaxis.

27 GCs is necessary and sufficient for negative phototaxis.

28 several signaling proteins that may disrupt phototaxis.

29 to ancestral structures which functioned in phototaxis.

30 candidate photoreceptor cells for mediating phototaxis.

31 known in this species--the pupil reflex [3], phototaxis [4], the optomotor response [5], and the clif

32 However, phototaxis alone cannot explain the ubiquity of disrupte

33 Phototaxis also finds important applications in biofuel

34 , has been used as a model organism to study phototaxis, an ability to move in the direction of a lig

35 lls' flagella yields propulsion important in phototaxis and chemotaxis.

36 The adaptation dynamics for phototaxis and chlorophyll fluorescence show a striking

37 ic AMP and fucose metabolism consistent with phototaxis and extracellular polymer synthesis indicatin

38 Furthermore, dhc1b-3 cells displayed altered phototaxis and flagellar beat.

39 for light activated functions as diverse as phototaxis and gene regulation.

40 Phototaxis and gliding motility in unicellular cyanobact

41 Similarly, reliable visual behaviors such as phototaxis and motion responses provided a solid foundat

42 Normal phototaxis and off-transient amplitude were restored by

43 that our model accounts for key features of phototaxis and provides a simple and robust mechanism fo

44 he gene for rasD causes a near-total loss of phototaxis and thermotaxis in mutant aggregates, without

45 train, and the slugs are highly defective in phototaxis and thermotaxis.

46 ions ranging from light energy conversion to phototaxis and vision.

47 on of bacterial gene expression, chemotaxis, phototaxis, and virulence.

48 Our results highlight spectral tuning of phototaxis as a potential mechanism contributing to opsi

49 As a control, we used phototaxis as an exemplary complex behavior in flies and

50 he colony, workers must walk, climb, and use phototaxis as they move inside and outside the nest.

51 gans, however, is generally believed to lack phototaxis, as this animal lives in darkness (soil) and

52 PCC6803 was studied with a glass slide-based phototaxis assay.

53 We quantified phototaxis at 1, 2, and 4 wk of age in the sequenced, in

54 e observed significant genetic variation for phototaxis at each age and significant genetic variation

55 We established conditions to elicit robust phototaxis behavior and found that zebrafish larvae depl

56 Phototaxis behavior is commonly observed in animals with

57 legans is able to sense light and engages in phototaxis behavior that is mediated by photoreceptor ce

58 by site-specific mutagenesis and analysis of phototaxis behavior that two residues in SRII near the m

59 ling approaches that gaze orientation during phototaxis behaviour in larval zebrafish is related to o

60 ertain subsets and by measuring differential phototaxis between spectrally different lights.

61 cell polarization and directional migration (phototaxis) both in vitro and in vivo.

62 beta-carotene or all-trans retinol restored phototaxis but did not affect the degree of gsa inductio

63 stis species and affects their capability of phototaxis by controlling c-di-GMP synthesis and degrada

64 tants as well as some that had lost positive phototaxis (consequently, they were negatively phototact

65 in its aberrant multicellular development or phototaxis defect, implying that the early and late func

66 The developmental and phototaxis defects are cell autonomous and marker analys

67 creases in flagellar microtubule sliding and phototaxis defects.

68 otenoids (as indicated by the restoration of phototaxis) did not affect the degree of light induction

69 A deltataxD1 mutant, which exhibits negative phototaxis even under low-fluence light, has a similar a

70 e NpSRII-NpHtrII complex is not required for phototaxis, excluding the domain as a site for signal tr

71 R6, R7, R8 (blue), R8 (green)] distinguishes phototaxis from motion detection that is mediated exclus

72 e the first in SRII shown to be required for phototaxis function, provide biological significance to

73 ion in critical cellular processes including phototaxis, gametogenesis, and the biogenesis of the pho

74 ia; here these genes are designated ptx (for phototaxis) genes.

75 echanisms through which a zebrafish performs phototaxis, i.e. actively orients towards a light source

76 avelengths and light-dependent inhibition of phototaxis in both bands by hydroxylamine suggest the in

77 e found that light stimuli elicited negative phototaxis in C. elegans and that this behavior is impor

78 but are impaired in one particular phase of phototaxis in comparison with wild-type Synechocystis sp

79 We show that phototaxis in cryptophytes is likely mediated by a two-r

80 ity can modulate cell polarity and establish phototaxis in fibroblasts.

81 opsin also acts as a photoreceptor linked to phototaxis in green algae [2, 3] and has been implicated

82 rhodopsin II (SRII), a receptor for negative phototaxis in haloarchaea, transmits light signals throu

83 iven proton pump and a receptor for negative phototaxis in haloarchaeal membranes, respectively.

84 ized photoreceptor pigment used for negative phototaxis in halobacteria.

85 nes in cluster 2i are essential for positive phototaxis in N. punctiforme hormogonia; here these gene

86 hroughput device for automatically assessing phototaxis in single animals in parallel.

87 read in cyanobacteria; one of them regulates phototaxis in Synechocystis PCC 6803.

88 the red light photoreceptor TaxD1, negative phototaxis in Synechocystis sp. strain PCC6803 is mediat

89 fusion molecule that is central to zoospore phototaxis in the aquatic fungus Blastocladiella emerson

90 We observed that positive phototaxis in wild-type cells was a low fluence response

91 Phototaxis in zebrafish is a hardwired navigational beha

92 ive to motion yet displays fully intact fast phototaxis, indicating that these animals are generally

93 Phototaxis is also dependent upon all the components of

94 Phototaxis is an important reaction to light displayed b

95 Phototaxis is characteristic of the pelagic larval stage

96 These results suggest that while positive phototaxis is controlled by the red light photoreceptor

97 These results confirm that negative phototaxis is evident before the onset of rod- and cone-

98 Larval phototaxis is mediated by simple eyes that can express v

99 tant phototaxis, opposite from the repellent phototaxis mediated by the wild-type di-HAMP SRII-HtrII

100 MP and novel gene products are necessary for phototaxis/motility suggests that there might be additio

101 These cells represent a novel class of phototaxis mutant, and indicate a role for a Ras pathway

102 ated transposon-tagged mutants with aberrant phototaxis; mutants were either nonmotile or exhibited a

103 ion prevents accumulation of cGMP levels and phototaxis of fungal zoospores exposed to green light, w

104 sue-specific markers and the strong negative phototaxis of planarians.

105 te description of both positive and negative phototaxis only when phototactic sensitivity is modeled

106 HAMP2-deleted SRII-HtrII exhibit attractant phototaxis, opposite from the repellent phototaxis media

107 Photoreceptors for visual perception, phototaxis or light avoidance are typically clustered in

108 Phototaxis, orientation to light, is linked to sucrose r

109 dual cells exhibit light-directed motility ("phototaxis") over surfaces, resulting in the emergence o

110 two eyes co-evolved with neurons to improve phototaxis performance.

111 hfnA(-) cells exhibit altered slug phototaxis phenotypes consistent with filamin complex hy

112 Crystal structures of the Synechocystis BLUF phototaxis photoreceptor Slr1694 have been determined in

113 The phototaxis receptor complex composed of sensory rhodopsi

114 salinarum sensory rhodopsin II (HsSRII) is a phototaxis receptor for blue-light avoidance that relays

115 Sensory rhodopsin II (SRII), a repellent phototaxis receptor found in Halobacterium salinarum, ha

116 Sensory rhodopsin II (SRII) is a repellent phototaxis receptor in the archaeon Halobacterium salina

117 Sensory rhodopsin-I (SRI), a phototaxis receptor of archaebacteria, is a retinal-bind

118 Channelrhodopsins, such as the algal phototaxis receptor Platymonas subcordiformis channelrho

119 The molecular complex containing the phototaxis receptor sensory rhodopsin I (SRI) and transd

120 The phototaxis receptor sensory rhodopsin I (SRI) exists in

121 The haloarchaeal phototaxis receptor sensory rhodopsin I (SRI) in complex

122 The phototaxis receptor sensory rhodopsin I (SRI) transmits

123 t signaling conformers of the dual-signaling phototaxis receptor sensory rhodopsin I and its transduc

124 Two forms of the phototaxis receptor sensory rhodopsin I distinguished by

125 ember of the microbial rhodopsin family, the phototaxis receptor sensory rhodopsin II (NpSRII), which

126 e structures of the cytoplasmic loops of the phototaxis receptor sensory rhodopsin II (SRII) and the

127 The proton pump bacteriorhodopsin and the phototaxis receptor sensory rhodopsin II (SRII) differ b

128 s (M and O) are most similar to those of the phototaxis receptor sensory rhodopsin II.

129 sis to contain sites of interaction with the phototaxis receptor SRI.

130 I) in Halobacterium salinarum membranes is a phototaxis receptor that signals through its bound trans

131 light-driven proton pump, whereas SRII is a phototaxis receptor that transmits a light-induced confo

132 Both sensory rhodopsin I, a phototaxis receptor, and bacteriorhodopsin, a light-driv

133 report characterization of PsChR, one of the phototaxis receptors in the alga Platymonas (Tetraselmis

134 s, function as low- and high-light-intensity phototaxis receptors in the eukaryotic alga Chlamydomona

135 nsory rhodopsins A and B (CSRA and CSRB), as phototaxis receptors is demonstrated by in vivo analysis

136 ants for their specific interaction with the phototaxis receptors sensory rhodopsins I and II (SRI an

137 sory rhodopsins I and II (SRI and SRII), are phototaxis receptors that send signals to tightly bound

138 Energy taxis encompasses aerotaxis, phototaxis, redox taxis, taxis to alternative electron a

139 xis encompasses aerotaxis (taxis to oxygen), phototaxis, redox taxis, taxis to alternative electron a

140 ed an "inverted motility response" (negative phototaxis) relative to wild-type cells.

141 hemical kinetics of SRI and one reverses the phototaxis response.

142 riminating dual-signaling mechanism in which phototaxis responses (his-kinase modulation) result from

143 us sites replaced by alanine still exhibited phototaxis responses and behavioral adaptation, and meth

144 se fusion chimeras mediate retinal-dependent phototaxis responses by Escherichia coli, establishing t

145 nd transducers was assessed by two criteria: phototaxis responses by the cells and transducer-modulat

146 transducer for SRI) mediates color-sensitive phototaxis responses in the archaeon Halobacterium salin

147 dence of CSRA and CSRB activity in producing phototaxis responses matches precisely the wavelength de

148 lidene protein that mediates color-sensitive phototaxis responses through its bound transducer HtrI i

149 pharaonis, alter their swimming behavior by phototaxis responses to changes in light intensity and c

150 e monocysteine mutants, G83C, showed loss of phototaxis responses, and analysis of double mutants sho

151 ransmitting photosignals to HtrII to mediate phototaxis responses.

152 embrane transducer (HtrII) and induce robust phototaxis responses.

153 nsory rhodopsin receptor, NpSRII, to mediate phototaxis responses.

154 ctions and attractant and 2-photon repellent phototaxis responses.

155 amydomonas sensory receptors responsible for phototaxis reveals additional diversity among the microb

156 ely after treatment demonstrated that larval phototaxis, salt aversion, and heptanol preference were

157 new mutants selected using a chemotaxis and phototaxis screen.

158 entally tested, general theoretical model of phototaxis seems unavailable to date.

159 corresponding to the long-wavelength band of phototaxis sensitivity, makes this pigment a candidate f

160 m (lambda max = 587 nm) which functions as a phototaxis signal transducer when complexed to HtrI, whi

161 the membrane-embedded surface, confers weak phototaxis signaling activity, and the additional two (s

162 n be detected by the connectivity switch, to phototaxis signaling by sensory rhodopsin-transducer com

163 hort flexible linker to NpHtrII is active in phototaxis signaling for H. salinarum, showing that the

164 al analysis of RNAi-transformants to mediate phototaxis signaling in Chlamydomonas reinhardtii.

165 photoactive site, correspond to the opposite phototaxis signals.

166 gi have a cGMP signaling pathway involved in phototaxis similar to the vertebrate vision-signaling ca

167 the response to light toward a more positive phototaxis, similar to that observed in nonexposed C. fi

168 During chemotaxis and phototaxis, sperm, algae, marine zooplankton, and other

169 thermore, we find that the related repellent phototaxis SRII-HtrII receptor complex has an outwardly

170 1+LOV2) alone also affected eyespot size and phototaxis, suggesting that aside from activation of the

171 s of sequence homologies of the haloarchaeal phototaxis system components to those of E. coli chemota

172 The two transducers in the phototaxis system of the archaeon Halobacterium salinaru

173 measure of histidine kinase activity in the phototaxis system, indicate that the two forms are a pho

174 ose that phototropin is a light regulator of phototaxis that desensitizes the eyespot when blue light

175 gnificant genetic variation in senescence of phototaxis that is only partly correlated with phototaxi

176 m, the algal carbon-concentrating mechanism, phototaxis, the biogenesis and function of cilia, and ot

177 Phototaxis, the process through which motile organisms d

178 n of the htrII and sopII genes restores SRII phototaxis to a mutant (Pho81) that contains a deletion

179 microm-diameter polystyrene beads) to cells, phototaxis to steer swimming cells, and photochemistry t

180 phototactic but showed reduced efficiency of phototaxis to wavelengths matching the in vitro Go-opsin

181 cterium Synechocystis sp. PCC6803 to control phototaxis toward blue light.

182 ecessary and sufficient for flies to exhibit phototaxis toward ultraviolet instead of green light.

183 positions of otherwise cysteineless HtrI, a phototaxis transducer found in Halobacterium salinarum t

184 ween the eubacterial and first halobacterial phototaxis transducer gene htrI.

185 quantum attractant and two-quantum repellent phototaxis, transmitting light stimuli via its bound tra

186 r1 gene affects several processes, including phototaxis, type IV pilus biosynthesis, photosystem II l

187 Wild-type cells exhibited negative phototaxis under high-intensity broad-spectrum light.

188 scence by measuring age-dependent decline in phototaxis using Drosophila melanogaster as a genetic mo

189 py to quantify the sensorimotor structure of phototaxis using the Drosophila larva.

190 Negative phototaxis was absent in mice lacking melanopsin.

191 Bacterial phototaxis was first recognized over a century ago, but

192 This red-light-induced phototaxis was inhibited or photoreversible by infrared

193 Panel (DGRP) and found an average decline in phototaxis with age.

194 Computational simulation of phototaxis with an OFF-turn, ON-approach algorithm verif

195 yptophyte Guillardia theta exhibits positive phototaxis with maximum sensitivity at 450 nm and a seco

196 odopsin-1, the dominant primary receptor for phototaxis within the eyespot.