ライフサイエンスコーパス: Trichodesmium

1 flagellates (Ostreopsis), and cyanobacteria (Trichodesmium).

2 c signatures of potential gene regulation in Trichodesmium.

3 ize regulation, suggesting a similar role in Trichodesmium.

4 in the marine nitrogen-fixing cyanobacterium Trichodesmium.

5 ng a more diverse array of iron sources than Trichodesmium.

6 ced by amino acids in individual colonies of Trichodesmium.

7 elevated CO2 to that reported previously for Trichodesmium.

8 s and deeper in subsurface ocean waters than Trichodesmium.

9 also have a role in metabolic segregation in Trichodesmium.

10 mainly by filamentous cyanobacteria such as Trichodesmium.

11 nonheterocystous cyanobacteria of the genus Trichodesmium.

12 ieved but cannot be reconciled with observed Trichodesmium abundances.

13 hesis and nitrogen fixation to determine how Trichodesmium allocates resources to these processes.

14 licon sequencing to examine the diversity of Trichodesmium and associated epibionts across different

15 Trichodesmium holobiont, especially between Trichodesmium and heterotrophic bacterial epibionts.

16 lation as a potentially adaptive response of Trichodesmium and importantly elucidate underlying metab

17 h they may share the same micro-environment, Trichodesmium and its colony-associated microbial cohort

18 Large colonial cyanobacteria in the genus Trichodesmium and the heterocystous endosymbiont Richeli

19 This study used laboratory cultures of Trichodesmium and two genome-sequenced strains of bacter

20 ghly correlated to the phosphorus content of Trichodesmium and was enhanced at higher irradiance.

21 nial diazotrophic cyanobacteria of the genus Trichodesmium are thought to play a significant role in

22 cuss the ecological advantages of DOM use by Trichodesmium as an alternative to autotrophic nutrition

23 n sources, implying that naturally occurring Trichodesmium-associated bacteria may be capable of util

24 ome-sequenced strains of bacteria typical of Trichodesmium-associated microbes to develop an understa

25 ltured the globally important cyanobacterium Trichodesmium at both low and high CO2 for 4.5 y, follow

26 Trichodesmium Clade I (i.e., T. thiebautii-like) dominat

27 mid-Atlantic Ocean and Red Sea implying that Trichodesmium colonies are potential sites of nitrous ox

28 Trichodesmium colonies contain an abundant microbial con

29 ides supporting nitrous oxide cycling within Trichodesmium colonies.

30 a potentially limiting micronutrient, within Trichodesmium colonies.

31 iron levels in sea water and iron content in Trichodesmium colonies.

32 data collected in this study, a theoretical Trichodesmium colony was designed to model whole colony

33 asins regardless of morphology, although the Trichodesmium community structure significantly varied b

34 The globally distributed diazotroph Trichodesmium contributes importantly to nitrogen inputs

35 N2-fixation of the ubiquitous cyanobacterium Trichodesmium decreased under acidified conditions, notw

36 inflation" of noncoding sequence observed in Trichodesmium despite its oligotrophic lifestyle.

37 free-living cyanobacteria, only 63.8% of the Trichodesmium erythraeum (strain IMS101) genome is predi

38 alous exception, however, is the intron-free Trichodesmium erythraeum collagen gene.

39 ion, by phosphorus stress, of genes from the Trichodesmium erythraeum IMS101 genome that are predicte

40 ddition, a related cluster was identified in Trichodesmium erythraeum IMS101, an important bloom-form

41 tegy remains enigmatic because the genome of Trichodesmium erythraeum strain IMS101 lacks all genes f

42 t homologs are present in the cyanobacterium Trichodesmium erythraeum, the ciliate Tetrahymena thermo

43 Trichodesmium fix both CO(2) and N(2) concurrently durin

44 , we grew the nitrogen-fixing cyanobacterium Trichodesmium for 1 year under Fe/P co-limitation follow

45 Trichodesmium forms macroscopic, fusiform (tufts), spher

46 bserved in IMS101 is a common feature of the Trichodesmium genus, both in culture and in situ.

47 Trichodesmium grows in salinities from 27 to 43 parts pe

48 The filamentous cyanobacterium Trichodesmium has been assumed to be the predominant oce

49 fixation rates of marine diazotrophs such as Trichodesmium have been intensively studied because of t

50 Yet, the composition of the Trichodesmium holobiont and the processes governing micr

51 microbial interactions occurring within the Trichodesmium holobiont, especially between Trichodesmiu

52 rize metabolic uptake patterns in individual Trichodesmium IMS-101 cells by quantitatively imaging (1

53 ganism since the discovery of N2 fixation in Trichodesmium in 1961.

54 ed a protein profile similar to iron-starved Trichodesmium in culture, suggestive of acclimation towa

55 tation may help to explain the prevalence of Trichodesmium in low phosphate, oligotrophic systems.

56 eochemically important marine cyanobacterium Trichodesmium increase under high carbon dioxide (CO2) l

57 the free-living, cyanobacterial, diazotroph Trichodesmium is of great importance because of its crit

58 itions, the beneficial effect of high CO2 on Trichodesmium is overwhelmed by the deleterious effect o

59 at segregation of CO(2) and N(2) fixation in Trichodesmium is regulated in part by temporal factors.

60 The marine cyanobacterium Trichodesmium is ubiquitous in tropical and subtropical

61 gests that, relative to other phytoplankton, Trichodesmium is uniquely adapted for scavenging phospho

62 The diazotrophic cyanobacterium, Trichodesmium, is an integral component of the marine ni

63 and highlight conserved motifs across three Trichodesmium isolates and two Trichodesmium metagenomes

64 conserved across spatiotemporally separated Trichodesmium isolates, thereby elucidating biogeographi

65 across three Trichodesmium isolates and two Trichodesmium metagenomes, thereby identifying highly co

66 These motifs were also highly conserved in Trichodesmium metagenomic samples from natural populatio

67 Conserved Trichodesmium noncoding RNA secondary structures were pr

68 Marine cyanobacteria of the genus Trichodesmium occur throughout the oligotrophic tropical

69 ggest that DOM could be directly taken up by Trichodesmium or primarily consumed by heterotrophic epi

70 eobacterial nifH sequences, although a novel Trichodesmium phylotype was also recovered.

71 organic phosphorus could markedly influence Trichodesmium physiology.

72 Nitrogen-fixing cyanobacteria in the genus Trichodesmium play a critical role in the productivity o

73 rgenic regions in spatiotemporally separated Trichodesmium populations suggests possible genus-wide s

74 aerobactin were not readily bioavailable to Trichodesmium, relative to ferric chloride or citrate-as

75 sorbed phosphorus pools, suggesting that our Trichodesmium results are generally applicable to all ph

76 chemically significant marine cyanobacterium Trichodesmium showing increased growth and nitrogen fixa

77 photosystem II and psaA of photosystem I, in Trichodesmium sp. IMS 101 using the 3 criteria for an en

78 filamentous nonheterocystous cyanobacterium Trichodesmium sp. is controlled by a circadian rhythm.

79 evaluated the rhythm of nitrogen fixation in Trichodesmium sp. strain IMS 101 by using the three crit

80 ation of this compatible solute explains how Trichodesmium spp. can thrive in the marine system at va

81 Data from natural populations of Trichodesmium spp. collected in the North Atlantic demon

82 The oceanic N2-fixing cyanobacterium Trichodesmium spp. form extensive surface blooms and con

83 ixation and the distribution of diazotrophic Trichodesmium spp. indicate that movement in the region

84 filamentous nonheterocystous cyanobacterium Trichodesmium spp. is controlled by a circadian rhythm.

85 Trichodesmium spp. sampled from geographically isolated

86 tial distributions that differ from those of Trichodesmium, the N2-fixing cyanobacterium previously c

87 d in four Anabaena and Nostoc strains and in Trichodesmium thiebautii.

88 e in restricting the biomass and activity of Trichodesmium throughout much of the subtropical ocean.

89 e determined that protein level responses of Trichodesmium to iron-starvation involve down-regulation

90 We speculate that Trichodesmium uses these dynamic storage bodies to uncou

91 atios in natural populations and cultures of Trichodesmium were close to Redfield values and not sign

92 n could promote the mixotrophic nutrition of Trichodesmium when inorganic nutrients are scarce.

93 g, possible regulatory elements predicted in Trichodesmium, when normalized per intergenic kilobase,

94 ganisms and the higher apparent densities of Trichodesmium where aeolian iron inputs are plentiful.

95 is carried out by the marine cyanobacterium Trichodesmium, which supplies more than half of the new