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HETEROCHROMATIN [10 records]
Record 1 - internal organization data 2013-11-15
Record 1, English
Record 1, Subject field(s)
- Genetics
Record 1, Main entry term, English
- euchromatin
1, record 1, English, euchromatin
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Areas of chromatin in the interphase nucleus where the chromosomes have uncoiled to the extent that they appear clear by light microscopy, in contrast to the denser heterochromatin. It is presumed to represent the active region of the chromosome material. 2, record 1, English, - euchromatin
Record 1, French
Record 1, Domaine(s)
- Génétique
Record 1, Main entry term, French
- euchromatine
1, record 1, French, euchromatine
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Substance dont sont formées les régions des chromosomes qui sont qualifiées d'euchromatiques par opposition aux régions hétérochromatiques. Les segments euchromatiques sont caractérisés cytologiquement par le fait qu'ils sont décondensés pendant les interphases et ne se condensent par spiralisation qu'au moment des mitoses ou des méioses. Ils deviennent alors facilement colorables par les colorants de la chromatine. Les segments hétérochromatiques présentent le comportement inverse. 2, record 1, French, - euchromatine
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Genética
Record 1, Main entry term, Spanish
- eucromatina
1, record 1, Spanish, eucromatina
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2013-07-15
Record 2, English
Record 2, Subject field(s)
- Genetics
Record 2, Main entry term, English
- satellite DNA
1, record 2, English, satellite%20DNA
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
[A set of] short, highly repeated DNA sequences found in eukaryotes, differing in base composition from that of the bulk of the DNA, usually occurring clustered in groups of many tandem repeats in constitutive heterochromatin and generally not transcribed. 2, record 2, English, - satellite%20DNA
Record number: 2, Textual support number: 1 OBS
Chloroplast, ribosomal, mitochondrial and centromeric DNA can all form satellites. 3, record 2, English, - satellite%20DNA
Record 2, French
Record 2, Domaine(s)
- Génétique
Record 2, Main entry term, French
- ADN satellite
1, record 2, French, ADN%20satellite
correct, masculine noun, standardized
Record 2, Abbreviations, French
Record 2, Synonyms, French
- acide désoxyribonucléique satellite 2, record 2, French, acide%20d%C3%A9soxyribonucl%C3%A9ique%20satellite
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
ADN des cellules eucaryotes de densité différente de l'ensemble de l'ADN cellulaire en ultracentrifugation. 3, record 2, French, - ADN%20satellite
Record number: 2, Textual support number: 1 OBS
Il correspond à un ADN hautement répétitif ou à l'ADN des organites cellulaires. 3, record 2, French, - ADN%20satellite
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Genética
Record 2, Main entry term, Spanish
- ADN satélite
1, record 2, Spanish, ADN%20sat%C3%A9lite
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
ADN muy repetitivo que se encuentra en los genomas animales y vegetales y que consta de millones de copias de secuencias de longitud entre 5 y 500 pb [pares de bases]. 1, record 2, Spanish, - ADN%20sat%C3%A9lite
Record number: 2, Textual support number: 1 OBS
Miles de copias se alinean en tándem (cabeza a cola) en muchos puntos del genoma. Se puede aislar del resto del ADN genómico por centrifugación en gradiente de densidad. 1, record 2, Spanish, - ADN%20sat%C3%A9lite
Record 3 - internal organization data 2012-01-04
Record 3, English
Record 3, Subject field(s)
- Genetics
Record 3, Main entry term, English
- constitutive heterochromatin
1, record 3, English, constitutive%20heterochromatin
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
The chromatin in regions of chromosomes that are invariably heterochromatic, located near the centromere and telomere and in the distal end of the long arm of the human Y chromosome. 1, record 3, English, - constitutive%20heterochromatin
Record 3, French
Record 3, Domaine(s)
- Génétique
Record 3, Main entry term, French
- hétérochromatine constitutive
1, record 3, French, h%C3%A9t%C3%A9rochromatine%20constitutive
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Ensemble des régions chromosomiques apparemment inactives dans les cellules et qui sont porteuses de séquences répétitives. Chaque chromosome normal comporte une zone de cette nature localisée autour de centromère; elle constitue ce qui est appelé la constriction primaire. 1, record 3, French, - h%C3%A9t%C3%A9rochromatine%20constitutive
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2011-09-14
Record 4, English
Record 4, Subject field(s)
- Genetics
Record 4, Main entry term, English
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
A unit of chromatin stained by the C-staining methods i. e., methods which demonstrate "constitutive heterochromatin"(i. e., the heterochromatin generally present in homologous chromosome regions). 1, record 4, English, - C%2Dband
Record number: 4, Textual support number: 1 CONT
The c-bands on chromosomes Nos 1, 9 and 16 and the large distal band on the Yq are all associated with obvious morphologic variability. 2, record 4, English, - C%2Dband
Record 4, French
Record 4, Domaine(s)
- Génétique
Record 4, Main entry term, French
- bande C
1, record 4, French, bande%20C
feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Unité de chromatine colorée par les méthodes de coloration C, c'est-à-dire celles qui mettent en évidence «l'hétérochromatine constitutive». 1, record 4, French, - bande%20C
Record number: 4, Textual support number: 1 CONT
D'autres techniques sont utilisées dans des buts particuliers. Bandes C : coloration des centromères. 1, record 4, French, - bande%20C
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2005-02-25
Record 5, English
Record 5, Subject field(s)
- Immunology
Record 5, Main entry term, English
- plasma cell
1, record 5, English, plasma%20cell
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- plasmacyte 1, record 5, English, plasmacyte
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
Terminally differentiated cell of the B lymphocyte lineage that produces antibodies; an oval or round cell with extensive rough endoplasmic reticulum, a well-developed Golgi apparatus, and a round nucleus having a characteristic "cartwheel" heterochromatin pattern. 1, record 5, English, - plasma%20cell
Record 5, French
Record 5, Domaine(s)
- Immunologie
Record 5, Main entry term, French
- plasmocyte
1, record 5, French, plasmocyte
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Cellule lymphoïde de 10 à 15 [micromètres], à noyau excentré, à chromatine en mottes, à cytoplasme très basophile, riche en mitochondries et en ergastoplasme, qui synthétise et excrète les immunoglobulines. 1, record 5, French, - plasmocyte
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Inmunología
Record 5, Main entry term, Spanish
- plasmocito
1, record 5, Spanish, plasmocito
correct, masculine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
- célula plasmática 2, record 5, Spanish, c%C3%A9lula%20plasm%C3%A1tica
correct, feminine noun
- plasmacito 1, record 5, Spanish, plasmacito
avoid, masculine noun
Record 5, Textual support, Spanish
Record number: 5, Textual support number: 1 DEF
Célula derivada de los linfocitos B, que ante la presencia de un estímulo, se replica rápidamente y empieza a producir anticuerpos. 3, record 5, Spanish, - plasmocito
Record number: 5, Textual support number: 1 OBS
Su presencia normalmente indica alguna patología. 1, record 5, Spanish, - plasmocito
Record 6 - internal organization data 2004-05-12
Record 6, English
Record 6, Subject field(s)
- Genetics
Record 6, Main entry term, English
- heterochromatin
1, record 6, English, heterochromatin
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
A fraction of chromatin that has characteristics distinct from the bulk of the chromosomal material, the euchromatin. It is distinguished by its highly condensed state and by its tendency to stain strongly with basic dyes, to remain condensed through interphase (when the euchromatin is decondensed sufficiently to render the form of the chromosomes unresolvable), and to have few (if any) gene coding sequences within it. 2, record 6, English, - heterochromatin
Record 6, French
Record 6, Domaine(s)
- Génétique
Record 6, Main entry term, French
- hétérochromatine
1, record 6, French, h%C3%A9t%C3%A9rochromatine
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Segment de chromosome, ou plus rarement chromosome entier, ayant une structure, une fonction, une réplication différentes de l'euchromatine. À l'origine le mot désignait un segment chromosomique ayant une structure dense et compacte pendant la télophase, l'interphase et la prophase précoce. Aujourd'hui, ce phénomène est appelé hétéropycnose positive et l'hétérochromatine correspond aux segments chromosomiques qui deviennent hétéropycnotiques à un moment du cycle cellulaire. 2, record 6, French, - h%C3%A9t%C3%A9rochromatine
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Genética
Record 6, Main entry term, Spanish
- heterocromatina
1, record 6, Spanish, heterocromatina
correct, feminine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
Record 6, Textual support, Spanish
Record number: 6, Textual support number: 1 DEF
Cromatina de las regiones o segmentos mayores o menores de los cromosomas. 2, record 6, Spanish, - heterocromatina
Record 7 - internal organization data 2001-11-13
Record 7, English
Record 7, Subject field(s)
- Genetics
Record 7, Main entry term, English
- chromatin
1, record 7, English, chromatin
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
The material of which chromosomes are composed, a complex of DNA and histones. It is found in the cell nucleus and is the carrier of the genes. 2, record 7, English, - chromatin
Record number: 7, Textual support number: 1 OBS
The uncoiled, less readily stained chromatin is called extended chromatin or euchromatin; the tightly coiled, more readily stained chromatin is condensed chromatin or heterochromatin. 2, record 7, English, - chromatin
Record 7, French
Record 7, Domaine(s)
- Génétique
Record 7, Main entry term, French
- chromatine
1, record 7, French, chromatine
correct, feminine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Substance de base des chromosomes des organismes eucaryotes, dont on peut détecter les zones d'accumulation dans le noyau grâce à son affinité pour certains colorants basiques, notamment le colorant de Feulgen. 2, record 7, French, - chromatine
Record number: 7, Textual support number: 1 OBS
Elle correspond à l'association de macromolécules d'acide désoxyribonucléique avec un type particulier de protéines basiques, appelées histones. L'association s'établit grâce à la troisième fonction acide des radicaux phosphoriques de l'ADN. 2, record 7, French, - chromatine
Record 7, Spanish
Record 7, Campo(s) temático(s)
- Genética
Record 7, Main entry term, Spanish
- cromatina
1, record 7, Spanish, cromatina
correct, feminine noun
Record 7, Abbreviations, Spanish
Record 7, Synonyms, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1999-02-22
Record 8, English
Record 8, Subject field(s)
- Cytology
- Genetics
Record 8, Main entry term, English
- facultative heterochromatin
1, record 8, English, facultative%20heterochromatin
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
Heterochromatin located in positions that are composed of euchromatin in other individuals of the same species, or even in the other homologue of a chromosome pair. 2, record 8, English, - facultative%20heterochromatin
Record 8, French
Record 8, Domaine(s)
- Cytologie
- Génétique
Record 8, Main entry term, French
- hétérochromatine facultative
1, record 8, French, h%C3%A9t%C3%A9rochromatine%20facultative
correct, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
substance constitutive de segments de chromosomes ou de chromosomes entiers qui, dans certaines circonstances, se comportent au point de vue cytologique comme ceux qui correspondent à l'hétérochromatine permanente, c'est-à-dire restent condensés pendant les interphases. 2, record 8, French, - h%C3%A9t%C3%A9rochromatine%20facultative
Record number: 8, Textual support number: 1 CONT
le chromosome X des mammifères est un exemple clair d'hétérochromatine facultative. Chez les individus femelles, en effet, un seul des deux X est actif, l'autre reste condensé et est inactif. Dans les noyaux en interphase des cellules humaines, il correspond à ce qui est appelé le corpuscule de Barr et ne s'observe que chez les femmes. 2, record 8, French, - h%C3%A9t%C3%A9rochromatine%20facultative
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1997-08-08
Record 9, English
Record 9, Subject field(s)
- Genetics
Record 9, Main entry term, English
- chromosome polymorphism
1, record 9, English, chromosome%20polymorphism
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
A condition in which is found any of two or more structural variations in a given chromosome within a species, the least common of which is not maintained by recurrent mutation. By convention, it is not associated with clinical syndromes. It is detectable cytologically as the presence or absence of satellites, variation in size of satellites, centromeric heterochromatin, bands, or in rearrangements of bands. 1, record 9, English, - chromosome%20polymorphism
Record 9, French
Record 9, Domaine(s)
- Génétique
Record 9, Main entry term, French
- polymorphisme chromosomique
1, record 9, French, polymorphisme%20chromosomique
correct, masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 DEF
Hétérogénéité chromosomique d'une population au sein d'une espèce : certains individus présentent, par rapport au type normal, des déviations portant sur la structure ou sur le nombre de chromosome. 2, record 9, French, - polymorphisme%20chromosomique
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1991-10-16
Record 10, English
Record 10, Subject field(s)
- Immunology
Record 10, Main entry term, English
- C banding
1, record 10, English, C%20banding
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
- C-banding 1, record 10, English, C%2Dbanding
correct
- centromeric banding 2, record 10, English, centromeric%20banding
correct
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
Differential staining of chromosomes to elicit chromosomes bands, using a method that specifically stains the regions of the chromosomes that contain constitutive heterochromatin(C bands)... 2, record 10, English, - C%20banding
Record 10, French
Record 10, Domaine(s)
- Immunologie
Record 10, Main entry term, French
- marquage des bandes C
1, record 10, French, marquage%20des%20bandes%20C
correct, masculine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
- coloration des bandes C 1, record 10, French, coloration%20des%20bandes%20C
correct, feminine noun
Record 10, Textual support, French
Record 10, Spanish
Record 10, Textual support, Spanish
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