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UNUSUAL BASE [5 records]
Record 1 - internal organization data 2013-11-15
Record 1, English
Record 1, Subject field(s)
- Genetics
Record 1, Main entry term, English
- rare base
1, record 1, English, rare%20base
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- unusual base 2, record 1, English, unusual%20base
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Nucleoside phosphate, other than adenosine,cytidine,guanosine or uridine, incorporated into tRNA molecules. These bases are important in establishing the unique spatial organization of the tRNA. 2, record 1, English, - rare%20base
Record 1, French
Record 1, Domaine(s)
- Génétique
Record 1, Main entry term, French
- base rare
1, record 1, French, base%20rare
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- base anormale 2, record 1, French, base%20anormale
correct, feminine noun
- base atypique 2, record 1, French, base%20atypique
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Base purique ou pyrimidique que l'on trouve uniquement dans certains acides nucléiques (notamment le tRNA) et en faibles quantités, d'où son nom. On en connaît une cinquantaine à l'heure actuelle. 2, record 1, French, - base%20rare
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2003-11-26
Record 2, English
Record 2, Subject field(s)
- Collection Items (Museums and Heritage)
- Table Setting
Record 2, Main entry term, English
- salt-cellar
1, record 2, English, salt%2Dcellar
correct, see observation
Record 2, Abbreviations, English
Record 2, Synonyms, English
- saltcellar 2, record 2, English, saltcellar
- salt 1, record 2, English, salt
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A small shallow bowl, usually circular, for holding table-salt. Some examples have a mouled base and others with three or four short legs are not unusual. 1, record 2, English, - salt%2Dcellar
Record number: 2, Textual support number: 1 OBS
... the addition of the word "cellar" came about as a result of the corruption of the French "salière". 1, record 2, English, - salt%2Dcellar
Record 2, French
Record 2, Domaine(s)
- Objets de collection (Muséologie et Patrimoine)
- Service de table
Record 2, Main entry term, French
- salière
1, record 2, French, sali%C3%A8re
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Petit vase dans lequel on met le sel destiné à être servi sur la table. 2, record 2, French, - sali%C3%A8re
Record number: 2, Textual support number: 1 CONT
Certaines salières, plutôt basses, de forme ronde, carrée ou rectangulaire, ne possèdent pas de couvercle. Il suffit de prendre un peu de sel au moyen d'une petite cuillère ou avec les doigts [...] Au XVIIIe siècle, apparaissent les salières de faïence, de cristal et de verre. 2, record 2, French, - sali%C3%A8re
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Objetos de colección (Museos y Patrimonio)
- Servicio de mesa
Record 2, Main entry term, Spanish
- salero
1, record 2, Spanish, salero
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Recipiente en que se sirve la sal en la mesa. 1, record 2, Spanish, - salero
Record 3 - internal organization data 1995-03-18
Record 3, English
Record 3, Subject field(s)
- Bones and Joints
Record 3, Main entry term, English
- radicular sheath
1, record 3, English, radicular%20sheath
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Unusual myelographic appearances of the lumbosacral radicular sheaths.(In ACTA RADIOL., DIAGNOSIS, 1972, 13, 762-766, cited in PASCAL data base.) 1, record 3, English, - radicular%20sheath
Record 3, French
Record 3, Domaine(s)
- Os et articulations
Record 3, Main entry term, French
- gaine radiculaire
1, record 3, French, gaine%20radiculaire
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
L'injection de pantopaque dans les racines est une bonne méthode d'évaluation de la sciatique, particulièrement chez les malades avec une sciatique récidivante après les examens diagnostiques multiples, après les opérations lombaires multiples ou lorsque l'étiologie de la sciatique ne peut être déterminée par les méthodes courantes. La localisation de la racine intéressée est réalisée par l'introduction d'une aiguille dans la gaine radiculaire sous contrôle radiographique et après injection de lidocaïne à 1 %. (Relevé dans J. BONE JOINT SURG., AMER. ÉDITION, 1974, 56 (7) 1435-1444, cité dans la base de données Pascal.) 2, record 3, French, - gaine%20radiculaire
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1991-11-12
Record 4, English
Record 4, Subject field(s)
- Investment
- Stock Exchange
Record 4, Main entry term, English
- managed investment fund
1, record 4, English, managed%20investment%20fund
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Additional offerings of the fund's equity are either infrequent or not permitted by its charter. The common stock is not redeemed except in highly unusual circumstances such as the windup of the fund. Hence, a managed investment fund with a fixed or seldom-changed equity base is known as a Closed-End Fund. 2, record 4, English, - managed%20investment%20fund
Record 4, French
Record 4, Domaine(s)
- Investissements et placements
- Bourse
Record 4, Main entry term, French
- fonds de placement géré
1, record 4, French, fonds%20de%20placement%20g%C3%A9r%C3%A9
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- fonds d'investissement géré 2, record 4, French, fonds%20d%27investissement%20g%C3%A9r%C3%A9
correct, masculine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Les offres supplémentaires d'actions du fonds sont rares sinon interdites par son acte constitutif. Les actions ordinaires ne sont pas rachetées sauf dans des cas exceptionnels tels que la liquidation du fonds. Par conséquent, un fonds de placement géré ayant toujours le même nombre d'actions (ou dont le nombre d'actions change rarement) est connu sous le nom de société d'investissement à capital fixe; c'est ce qui le distingue de la société d'investissement à capital variable ou fonds mutuel, qui continue généralement d'émettre et de racheter ses actions. 3, record 4, French, - fonds%20de%20placement%20g%C3%A9r%C3%A9
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1991-06-06
Record 5, English
Record 5, Subject field(s)
- Molecular Biology
- Biochemistry
Record 5, Main entry term, English
- unusual base
1, record 5, English, unusual%20base
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- rare nucleotide 1, record 5, English, rare%20nucleotide
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
("Unusual" means a base other than A, G, C, or U.) Many of the unusual bases differ from normal bases by the presence of one or more methyl(-CH3) groups. Most, if not all, of the methyl groups are enzymatically added after the nucleotides are linked together by 3’-5’ phosphodiester linkages. Very probably, the other unusual bases also arise by the enzymatic modification of a preexisting polynucleotide. The function of the unusual bases is not yet clear. They are not limited to alanine tRNA but occur in varying proportions in all tRNA molecules. Our only hint of their role is the fact that several unusual bases cannot form conventional base pairs. Some of the unusual bases may thus have the function of disruption double-helical hairpin regions, thereby exposing free keto and amino groups which can then form secondary bonds. Depending upon the specific bases, the free groups may form secondary bonds to template RNA, to a ribosome, or to the enzyme needed to attach a specific amino acid to its specific tRNA molecule. [Examples of those rare nucleotides are : Inosine, 1-methylinosine, N2-dimethylguanosine, 1-methylguanosine, Ribothymidine, Dihydrouridine and Pseudouridine]. 1, record 5, English, - unusual%20base
Record 5, French
Record 5, Domaine(s)
- Biologie moléculaire
- Biochimie
Record 5, Main entry term, French
- base rare
1, record 5, French, base%20rare
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- nucléotide inhabituel 1, record 5, French, nucl%C3%A9otide%20inhabituel
correct, masculine noun
- base atypique 1, record 5, French, base%20atypique
correct, feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Les deux classes de bases trouvées dans tous les mononucléotides sont dérivées de corps aromatiques hétérocycliques appelés purine et pyrimidine. La purine dérive elle-même de la pyrimidine par la fusion d'un cycle pyrimidine et imidazole. Les trois bases pyrimidiques les plus communes sont : l'uracile, la thymine et la cytosine, désignées couramment par U, T et C respectivement. Les bases puriques intervenant le plus souvent comme composantes des mononucléotides sont l'adénine et la guanine, respectivement désignées par A et G. Il existe [aussi] de nombreuses bases rares, telles que la 5-méthylcytosine, ou la 5-hydroxyméthyl-cytosine, [l'ionosine, la pseudouridine, etc...] Le rôle de ces bases rares n'est pas clair pour l'instant. Elles (...) existent en proportions variables dans toutes les molécules de tARN. Seul indice connu sur leur rôle possible, ces bases rares ne peuvent pas s'apparier de la manière habituelle. Certaines de ces bases rares pourraient donc avoir pour fonction de provoquer l'ouverture de quelques régions en épingle à cheveux de la double hélice, exposant ainsi des groupements cétones et aminés libres susceptibles de former des liaisons secondaires. Selon la nature des bases exposées, ces groupements libres pourraient former des liaisons secondaires avec la matrice d'ARN, avec le ribosome ou avec l'enzyme qui attache l'acide aminé à son tARN spécifique. 1, record 5, French, - base%20rare
Record 5, Spanish
Record 5, Textual support, Spanish
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