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Basic Helix-Loop-Helix Transcription Factors

A robust auxin response network controls embryo and suspensor development through a basic Helix Loop Helix transcriptional module

A robust auxin response network controls embryo and suspensor development through a basic Helix Loop Helix transcriptional module

... DISCUSSION The plant suspensor plays a supportive role during embryogen- esis and is mitotically quiescent after three initial rounds of cell division in Arabidopsis (Laux and Jurgens, 1997; Mayer and Jürgens, 1998). ...

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Contrasted evolutionary trajectories of plant transcription factors

Contrasted evolutionary trajectories of plant transcription factors

... The basic leucine zipper domain (bZIP) expanded in charophytes, while basic helix-loop-helix (bHLH) family members increased in land ...

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Rfx6 is an Ngn3-dependent winged helix transcription factor required for pancreatic islet cell development.

Rfx6 is an Ngn3-dependent winged helix transcription factor required for pancreatic islet cell development.

... the basic helix-loop-helix (bHLH) transcription factor neurogenin 3 (Neurog3 or Ngn3) is the master gene controlling endocrine cell fate decisions in uncommitted multipotent pancreatic ...

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Correlation of bistranded clustered abasic DNA lesion processing with structural and dynamic DNA helix distortion

Correlation of bistranded clustered abasic DNA lesion processing with structural and dynamic DNA helix distortion

... INTRODUCTION Abasic DNA sites constitute one of the most common fam- ilies of DNA lesions. An apurinic /apyrimidinic (AP) site is produced by the excision of one DNA constituent base leav- ing the uncapped deoxyribose ...

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Evaluation de la toxicité des poussières métalliques rejetées par les aciéries 1et 2 du complexe sidérurgique d’EL-Hadjar sur un modèle bioaccumulateur Helix aspersa

Evaluation de la toxicité des poussières métalliques rejetées par les aciéries 1et 2 du complexe sidérurgique d’EL-Hadjar sur un modèle bioaccumulateur Helix aspersa

... 2 molécules qui ont pénétré dans la cellule ou qui sont produites en réaction à l’exposition ou à l’effet des contaminants sur la cellule (biomarqueurs). Ce travail a pour objectif la mis en évidence des capacités du ...

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Basic prosodic transcription of short French feedback utterances

Basic prosodic transcription of short French feedback utterances

... careful transcription • Need some specific training for this transcription task • On continuously voiced items automatic rough tools are better than naive • For these items, it seems easier to train for ...

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Developmental regulation of regenerative potential in Drosophila by ecdysone through a bistable loop of ZBTB transcription factors

Developmental regulation of regenerative potential in Drosophila by ecdysone through a bistable loop of ZBTB transcription factors

... Aix Marseille Universite ´ , CNRS, IBDM, UMR 7288, Marseille, France * cedric.maurange@univ-amu.fr Abstract In many organisms, the regenerative capacity of tissues progressively decreases as devel- opment progresses. ...

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Basic factors affecting smooth engine idling

Basic factors affecting smooth engine idling

... This would indicate a greater sensitivity, or even an oversensitivity (since rough idling was recorded by secondary measuring methods under conditions at which both the missing[r] ...

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Evaluation du stress oxydatif induit par le proclaim : essai comparatif sur deux modèles biologiques (Helix aspersa et Paramecium sp)

Evaluation du stress oxydatif induit par le proclaim : essai comparatif sur deux modèles biologiques (Helix aspersa et Paramecium sp)

... Dans ce chapitre nous avons utilisé l‟approche biochimique et enzymatique sur Helix aspersa et Paramecium sp. pour définir le degré de toxicité induit par le biopesticide à base d‟Emamectine benzote. Dans un ...

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Double helix dipole design applied to magnetic resonance: A novel NMR coil

Double helix dipole design applied to magnetic resonance: A novel NMR coil

... ð15Þ A simple calculation shows that the tilting angle which opti- mizes this SNR is 38.57°. For the two-turn DHD coil presented in the previous section, the agreement between the theoretical values and the numerical ...

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Impact de la pollution industrielle (métaux lourds) sur le développement et la reproduction de l’escargot Helix aspersa: Effets sur les biomarqueurs

Impact de la pollution industrielle (métaux lourds) sur le développement et la reproduction de l’escargot Helix aspersa: Effets sur les biomarqueurs

... ABSTRACT The effects of exposure to metals under field and laboratory conditions were investigated in the terrestrial land snail Helix aspersa. In this study, terrestrial snails, collected from an uncontaminated ...

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Cyclodipeptide Synthases of the NYH Subfamily Recognize tRNA Using an α-Helix Enriched with Positive Residues

Cyclodipeptide Synthases of the NYH Subfamily Recognize tRNA Using an α-Helix Enriched with Positive Residues

... α4 helix, since the α4 helix is one of structural elements providing the strongest contribution to the first tRNA ...α4 helix in TyrRS from Thermus thermophilus is zero (60), suggesting that the ...

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On the multiscale tribological signatures of the tool helix angle in profile milling of woven flax fiber composites

On the multiscale tribological signatures of the tool helix angle in profile milling of woven flax fiber composites

... the helix angle of the cutting tool slightly increases the surface roughness for the up-milling con ...° helix angle and that generated by the 40° helix ...° helix angle induces the highest ...

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Globin Gene Expression: Role of Transcription Factors

Globin Gene Expression: Role of Transcription Factors

... lineage-specific transcription factors to regulate the expression of target ...important transcription factors whose binding sites are frequently clustered throughout the β-globin gene locus, ...

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65 years of the double Helix: Genetics informs precision practice in the diagnosis and management of pheochromocytoma

65 years of the double Helix: Genetics informs precision practice in the diagnosis and management of pheochromocytoma

... Aufforth RD, Ramakant P, Sadowski SM, Mehta A, Trebska-McGowan K, Nilubol N, Pacak K & Kebebew E 2015 Pheochromocytoma screening initiation and frequency in von Hippel-Lindau syndr[r] ...

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Hyperspectral topography of the twisted, cholesteric patterns of an insect cuticle under various conditions of helix obliquity

Hyperspectral topography of the twisted, cholesteric patterns of an insect cuticle under various conditions of helix obliquity

... Twisted cholesteric liquid crystal patterns are found in the iridescent chitin-containing cuticles of many insects. They may exhibit spatial variation in the helical pitch and in the orientation of the helix axis, ...

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Combinatorial gene regulation by transcription factors

Combinatorial gene regulation by transcription factors

... The uncoupling of regulatory DNA from promoters allows a gene to be regulated by multiple distal enhancers active in different cell types and conditions, facilitating the co[r] ...

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Modulated contact frequencies at gene-rich loci support a statistical helix model for mammalian chromatin organization.

Modulated contact frequencies at gene-rich loci support a statistical helix model for mammalian chromatin organization.

... Results: Here, using the 3C-qPCR method, we investigate contact frequencies at high resolution within interphase chromatin at several mouse loci. We find that, at several gene-rich loci, contact frequencies undergo a ...

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Effet de l’environnement sur la caractérisation des coquilles de l’escargot Helix aspersa dans les régions Sougueur (Tiaret) et Mostaganem

Effet de l’environnement sur la caractérisation des coquilles de l’escargot Helix aspersa dans les régions Sougueur (Tiaret) et Mostaganem

... Dans la région de Mostaganem, le diamètre, la hauteur et le diamètre de l’ouverture des coquilles de l’escargot Helix aspersa sont corrélés entre elles. Ainsi, ces paramètres biométriqu[r] ...

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Contribution à l’étude des effets des pesticides sur un modèle biologique : (cas de l’escargot terrestre Helix aspersa)

Contribution à l’étude des effets des pesticides sur un modèle biologique : (cas de l’escargot terrestre Helix aspersa)

... Helix aspersa II.2.4. Description de l’escargot H. aspersa Le corps d'un escargot consiste en un pied unique, une tête et une masse viscérale enroulée placée dans la coquille, des glandes de mucus sur le reste du ...

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