ライフサイエンスコーパス: ascidian

1 rtebrates and closely related invertebrates (ascidians).

2 ne kinase previously identified in a related ascidian.

3 obacterial symbionts of many didemnid family ascidians.

4 CNS development and larval morphogenesis in ascidians.

5 in marine invertebrates such as mussels and ascidians.

6 genes have also been detected in plants and ascidians.

7 in a common ancestor of both vertebrates and ascidians.

8 elopment of the chordate larval phenotype in ascidians.

9 mline formation is determinative in colonial ascidians.

10 ponsible for asexual development in colonial ascidians.

11 hese results support the hypothesis that, in ascidians, a soluble factor from the sperm cytoplasm ini

12 Brooding in colonial ascidians allows increased egg size, which in turn allow

13 e annelid parapodia, onychophoran lobopodia, ascidian ampullae, and even echinoderm tube feet.

14 Current evidence from studies of ascidian and mammalian fertilization favors a fusion-med

15 4% sponges initially to 47% spirorbids, 23% ascidians and 29% sponges after 100 days in acidified co

16 anged significantly, from 92% spirorbids, 3% ascidians and 4% sponges initially to 47% spirorbids, 23

17 mordium and the anterior neural tube in both ascidians and amphibians suggests that the evolution of

18 lay key roles in early mesoderm formation in ascidians and amphioxus.

19 odes of notochord morphogenesis exhibited by ascidians and other chordate embryos, suggesting that ce

20 CAC-rich LEs are also found in ascidians and other vertebrates, indicating that these c

21 described in other deuterostomes, including ascidians and sea urchins, but no nodal orthologue has b

22 d exoskeletons and domination by soft-bodied ascidians and sponges.

23 Ascidians and vertebrates belong to the Phylum Chordata

24 In echinoderm, ascidian, and vertebrate eggs, the Ca(2+) rise occurs as

25 omesoderm formation in anthozoan cnidarians, ascidians, and echinoderms.

26 As ascidians are a sister group of the vertebrates, we disc

27 Ascidians are also simple genetically, with limited redu

28 Ascidians are among the most distant chordate relatives

29 H1 expression on embryonic axis formation in ascidians are similar to those reported for knockout mut

30 Among animals, urochordates (e.g., ascidians) are unique in their ability to biosynthesize

31 member of the HNF-3/forkhead gene family in ascidians as a means to determine the role of winged-hel

32 ryos of fishes, amphibians, echinoderms, and ascidians, as well as the genetic and physical perturbat

33 usly in eggs of the mouse or the urochordate ascidian Ascidiella aspersa.

34 Ascidians belong to the tunicates, the sister group of v

35 leavage pattern driving morphogenesis of the ascidian blastula.

36 tially expressed during metamorphosis in the ascidian Boltenia villosa by suppressive PCR subtraction

37 entally-induced angiogenesis in the colonial ascidian Botryllus schlosseri (Tunicata, Ascidiacea).

38 The colonial ascidian Botryllus schlosseri continuously regenerates e

39 The colonial ascidian Botryllus schlosseri propagates asexually and s

40 A primitive chordate, the ascidian Botryllus schlosseri, also undergoes a histocom

41 alling pathway in germ cell migration in the ascidian Botryllus schlosseri.

42 In a colonial ascidian, Botryllus schlosseri, vascular fusion between

43 ing in situ hybridizations indicate that the ascidian brain region can be subdivided into three regio

44 sensory vesicle (the anterior portion of the ascidian brain).

45 patterning that degenerated in amphioxus and ascidians, but was retained to pattern divergent structu

46 sults demonstrate how the unique features of ascidians can be used in genetic analysis of morphogenes

47 mals such as sponges, corals, bryozoans, and ascidians-can distinguish between their own tissues and

48 In ascidians cellulose is synthesized in the epidermis and

49 The notochord of the ascidian Ciona consists of only 40 cells, and is a longs

50 A MyoD family gene was identified in the ascidian Ciona intestinalis and designated CiMDF (Ciona

51 The ascidian Ciona intestinalis has a monolobal transferrin

52 A forward genetic screen in the ascidian Ciona intestinalis identified a mutant line (fr

53 o known as trunk ventral cells, TVCs) of the ascidian Ciona intestinalis provide a simple chordate mo

54 vesicle, the CNS of the tadpole larva of the ascidian Ciona intestinalis provides us with a chordate

55 model is motivated by our experiments in the ascidian Ciona intestinalis showing that the peripheral

56 ssive ENU-induced short-tailed mutant in the ascidian Ciona intestinalis that is the product of a pre

57 Eggs of the ascidian Ciona intestinalis were injected with the Src-h

58 We have examined ASICs from the ascidian Ciona intestinalis, a simple chordate organism

59 olution: the zebrafish (Danio rerio) and the ascidian Ciona intestinalis, an invertebrate chordate be

60 sole myogenic regulatory factor (MRF) of the ascidian Ciona intestinalis, an invertebrate chordate.

61 The ascidian Ciona intestinalis, commonly known as a 'sea sq

62 argets, we demonstrate that, in the chordate ascidian Ciona intestinalis, miR-124 plays an extensive

63 sed to analyze cardiac cell migration in the ascidian Ciona intestinalis.

64 st identified in the genome sequences of the ascidian Ciona intestinalis.

65 search for tissue-specific enhancers in the ascidian Ciona intestinalis.

66 new T-box gene, CiVegTR, was isolated in the ascidian Ciona intestinalis.

67 ion within the CNS of a simple chordate, the ascidian Ciona intestinalis.

68 y regulator of ectodermal development in the ascidian Ciona intestinalis.

69 in a 155-bp notochord-specific CRM from the ascidian Ciona intestinalis.

70 ated gene expression patterns of NCLC in the ascidian Ciona intestinalis.

71 The notochord of the ascidian Ciona provides a unique model for investigating

72 mutations affecting early development in the ascidian Ciona savignyi resulted in the isolation of a n

73 hat a null mutation in the gene dmrt1 in the ascidian Ciona savignyi results in profound abnormalitie

74 ribe here a cellulose synthase gene from the ascidian Ciona savignyi that is expressed in the epiderm

75 ment of a simple organ: the notochord of the ascidian Ciona savignyi.

76 from perturbation of the FGF pathway in the ascidian Ciona support a similar role for this pathway:

77 We used the ascidian Ciona, in which the single-copy Brachyury is no

78 In some chordates, including the ascidian Ciona, members of the Tbx2 subfamily of T-box g

79 have come from embryonic development in the ascidian Ciona, which is dependent upon the transcriptio

80 tional analyses of regulatory regions in the ascidians Ciona savignyi and Ciona intestinalis.

81 ion of HNF-3beta and snail homologues in the ascidian, Ciona intestinalis, a member of the subphylum

82 We present evidence that the embryo of the ascidian, Ciona intestinalis, is an easily manipulated s

83 In the ascidian, Ciona intestinalis, snail (Ci-sna) is expresse

84 ge information and streamlined genome of the ascidian, Ciona intestinalis, to investigate heart devel

85 the tadpole larva of a sibling chordate, the ascidian, Ciona intestinalis.

86 ng portion of the genome of the most studied ascidian, Ciona intestinalis.

87 res of natural selection in a model invasive ascidian, Ciona robusta.

88 There are two phases in ascidian CNS development: an early phase, in which cells

89 s isolated from a new species of Lissoclinum ascidian collected from South Africa, Algoa Bay near Por

90 in simplified form in Ciona, suggesting that ascidians contain the basic ancestral complement of gene

91 We examine the evolution of coloniality in ascidians, contrasting the life histories of solitary an

92 on, and the pattern of cell divisions during ascidian development.

93 the main information system in the field of ascidian developmental biology.

94 The marine ascidian Diazona angulata was the source organism for th

95 ) and B (2), were isolated from the colonial ascidian Didemnum molle collected in Pohnpei.

96 The ascidians Diplosoma sp. settled later and were more tole

97 expression patterns to published results in ascidians disclosed important developmental differences

98 ods we analyzed the planar cell divisions in ascidian early embryos and found that spindles in every

99 nd in a blue-green algae associated with the ascidian Ecteinascidia turbinata and has shown promising

100 e mitochondrial NADH concentration on single ascidian eggs and found that they increase in phase with

101 the classical muscle determinant present in ascidian eggs may correspond to bHLH activators, which b

102 of Ca(2+) at fertilization in echinoderm and ascidian eggs requires SH2 domain-mediated activation of

103 region of YC RNA hybridize to other RNAs in ascidian eggs.

104 The ascidian embryo is an ideal system to investigate how ce

105 Recent work in the early ascidian embryo reveals the function of a single factor

106 ins that are differentially expressed during ascidian embryogenesis has novel parallels to vertebrate

107 ms underlying otherwise conserved aspects of ascidian embryogenesis.

108 sitioning during unequal cell division.Early ascidian embryos have a cortical subdomain of endoplasmi

109 Early ascidian embryos possess a large cortical subdomain of e

110 invariant and conserved cleavage pattern of ascidian embryos was found to consist in alternate plana

111 In ascidian embryos, FGF/MAPK-mediated activation of the tr

112 We conclude that in ascidian embryos, the transient mesendoderm regulatory s

113 Here, we show that, in ascidian embryos, three nbeta-catenin transcriptional ta

114 diac mesoderm (trunk ventral cells, TVCs) in ascidian embryos.

115 hree types of migratory mesenchymal cells in ascidian embryos.

116 fferential cortical tension that can explain ascidian endoderm invagination.

117 cyclic peptides, were isolated from a Fijian ascidian Eudistoma sp.

118 (C-TAD) identified an extract of the marine ascidian Eudistoma sp. as active.

119 A comparison of Oikopleura and ascidian evidence suggests that the lack of RA-induced h

120 Experiments in ascidian, frog and mouse embryos have shown that co-expr

121 Our findings suggest that early ascidian gastrulation is driven by the coordinated appos

122 p mechanism for endoderm invagination during ascidian gastrulation.

123 We found that the ascidian genome contains a single ASIC gene that gives r

124 The ascidian genome has also acquired a number of lineage-sp

125 oratory experiments, two introduced compound ascidians grew faster than a native species, but only at

126 ages in both Ciona and the distantly related ascidian Halocynthia.

127 imordia implies that basal chordates such as ascidians have already acquired a sensory organ that dev

128 nge of animal species, including vertebrate, ascidian, hemichordate, mollusc, annelid and arthropod,

129 ies, combined with its relative abundance in ascidian hemocytes, suggest that styelin D plays a signi

130 report the expression of HrPax-258 gene: an ascidian homologue of vertebrate Pax-2, Pax-5 and Pax-8

131 Ascidians hosted diverse symbiont communities, consistin

132 describe a composite skeletal tissue from an ascidian in which amorphous and crystalline calcium carb

133 Embryonic development in solitary ascidians is the classic example of determinative specif

134 Here, we harness the simplicity of the ascidian larva to show that, following asymmetric cell d

135 The anterior-most ectoderm of ascidian larvae contains the adhesive papillae, or palps

136 Ascidian larvae have a hollow, dorsal central nervous sy

137 observations suggest that tail formation in ascidian larvae requires not only signaling from notocho

138 akatori et al. show nuclear migration within ascidian mesendodermal cells enables polarized localizat

139 Ascidian metamorphosis represents a powerful model for c

140 These results suggest ascidian microbial symbionts exhibit a high degree of ho

141 and sequenced genomic clones from the tailed ascidian Molgula oculata.

142 The ascidians Molgula oculata and Molgula occulta are closel

143 d the mechanism of an evolutionary change in ascidian muscle cell differentiation.

144 pment of Ca2+ and K+ currents was studied in ascidian muscle cells at twelve embryonic stages from ga

145 Early in development, ascidian muscle cells generate spontaneous, long-duratio

146 In embryonic ascidian muscle, outward K+ currents develop in two stag

147 cle determinant that was first identified in ascidians nearly 100 years ago.

148 of homologous regions between vertebrate and ascidian nervous systems, however, remains to be resolve

149 organization, the mechanisms patterning the ascidian neural tube are similar to those of the more co

150 The structure of the ascidian neural tube is extremely simple, containing les

151 The FAST cassette is similar in an ascidian nodal-related gene, suggesting an ancient origi

152 s is essential for directing M/L polarity of ascidian notochord cells.

153 The ascidian notochord follows a morphogenetic program that

154 ryos, suggesting that cellular mechanisms of ascidian notochord formation may operate across the chor

155 Our results show ascidian notochord formation to be regulative in a fashi

156 The ascidian notochord forms through simultaneous invaginati

157 We find that ascidian notochord taper involves three main mechanisms:

158 deformation that accompany formation of the ascidian notochord.

159 ation on the function and development of the ascidian notochord.

160 e cell wide, an arrangement which is seen in ascidian notochords, but which has not been observed in

161 re recently isolated from a Brazilian marine ascidian of the family Didemnidae.

162 olated from an unidentified Brazilian marine ascidian of the family Didemnidae.

163 tes, such as sponges, corals, bryozoans, and ascidians, often live in densely populated communities w

164 We conclude that the CDK activity of the ascidian oocyte can be regarded as a positive regulator

165 nd/or detected in lamprey, but not in either ascidians or amphioxus (or any other nonchordate taxon).

166 Comparison with expression of ascidian Otx (Hroth) and a Hox gene (HrHox1) by double-s

167 Here we report functional studies of the ascidian Pax gene (HrPax-37).

168 The ascidian PCNA protein has 61, 69, and 71% amino acid ide

169 ordate synapomorphy and not a peculiarity of ascidians, perhaps resulting from their drastic CNS meta

170 Chemical investigation of the Philippine ascidian Perophora namei has resulted in the isolation o

171 d: a 3D+t confocal microscopy dataset of the ascidian Phallusia mammillata consisting of 18 time poin

172 Recent evidence suggests that ascidian pigment cells are related to neural crest-deriv

173 Our findings suggest the ascidian PNS can serve as an in vivo model to study the

174 Ascidians present a striking dichotomy between conserved

175 The two ascidians present behaved differently with Aplidium sp.

176 en shown that symbiotic bacteria living with ascidians produce some of the bioactive compounds isolat

177 lation of ScYC26b, a cDNA clone encoding the ascidian proliferating cell nuclear antigen (PCNA).

178 In contrast, the magnitude of native ascidian recruitment was negatively correlated with wint

179 or Halocynthia spp. but development in other ascidians remains poorly characterized.

180 103 universal core OTUs (present in all ascidian replicates) were identified, including taxa pre

181 As botryllid ascidians represent invertebrate chordates capable of wh

182 he three most abundant introduced species of ascidian (sea squirt), the timing of the initiation of r

183 Embryos of simple chordates called ascidians (sea squirts) have few cells, develop rapidly,

184 Some ascidians sequester vanadium and other metal ions that a

185 However, ascidians share many features with vertebrates including

186 In ANISEED 2015, all nine new ascidian species can be explored via dedicated genome br

187 in (nicaTf), was identified in the primitive ascidian species Ciona intestinalis that possesses the c

188 examined the microbial communities of three ascidian species common in North Carolina harbors.

189 The genomes of nine ascidian species have been sequenced since the release o

190 Many ascidian species have experienced worldwide introduction

191 muscle actin mRNA in more distantly related ascidian species with tail muscle cells.

192 velopment was studied in two closely related ascidian species, one exhibiting a conventional tadpole

193 stinct microbial communities inhabiting each ascidian species.

194 cells were previously identified in diverse ascidian species.

195 A cDNA library from the ascidian Styela clava was screened with a YC probe to id

196 e dividing ependymal cells in embryos of the ascidian Styela clava.

197 the blood cells (hemocytes) of the solitary ascidian, Styela clava.

198 In ascidians such as Ciona there is a particularly intimate

199 In ascidians, such as Ciona intestinalis, Brachyury is expr

200 f variance revealed clear differentiation of ascidian symbionts compared to seawater bacterioplankton

201 nOxA), recently isolated from the sub-Arctic ascidian Synoicum pulmonaria.

202 mprises the basic motor pool of the swimming ascidian tadpole and has been proposed to be homologous

203 The central nervous system (CNS) of the ascidian tadpole larva consists of only 370 cells, yet i

204 e tiny, dorsal tubular nervous system of the ascidian tadpole larva, Ciona intestinalis.

205 the tail and other chordate features in the ascidian tadpole larva.

206 e in the development of chordate features in ascidian tadpole larvae.

207 The modern ascidian tadpole represents a plausible approximation to

208 tiation are crucial for morphogenesis of the ascidian tail.

209 Botryllus schlosseri is a colonial ascidian that grows by asexual reproduction, and on a we

210 cycle arrest and its release in urochordate ascidians, the closest living invertebrate group to the

211 In contrast to ascidians, the lack of a radical reorganization of the C

212 chordates however, including vertebrates and ascidians, the mouth primordia have been shown to fate t

213 A recent study shows that, in ascidians, the planar cell polarity gene prickle regulat

214 Ascidians (tunicates; sea squirts) are sources of divers

215 we review data from vertebrates and from an ascidian urochordate and propose that the organizer was

216 ulation resembling neural crest cells in the ascidian urochordate Ecteinascidia turbinata.

217 e existence of neural crest-like cells in an ascidian urochordate.

218 g already known metazoan deviations from it (ascidian, vertebrate, echinoderm/hemichordate).

219 The ascidian VSD protein Ci-VSP gates a phosphatase activity

220 ge of model organisms, including sea urchin, ascidian, zebrafish, frog, chick, and mouse.

221 to other embryo populations including mice, ascidians, zebrafish, Xenopus, and Drosophila.