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INGENIERIE PROTEINES [3 records]
Record 1 - internal organization data 2011-10-21
Record 1, English
Record 1, Subject field(s)
- Biological Sciences
Record 1, Main entry term, English
- recombinant enzyme
1, record 1, English, recombinant%20enzyme
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Recombinant techniques ... allow saturation mutagenesis of selected regions or sites of a gene. By these techniques, families of related enzymes are produced in a single cloning exercise. A population of bacterial colonies so produced will carry the mutant genes; each colony will harbor the gene coding for a single recombinant enzyme. Screening techniques may allow the colonies to be rapidly examined for mutant protein activity. Only the subset of colonies containing active enzymes will require further characterization. A comparison of mutant and wild-type proteins (or genes) will reveal sites that modulate activity or function. 1, record 1, English, - recombinant%20enzyme
Record 1, French
Record 1, Domaine(s)
- Sciences biologiques
Record 1, Main entry term, French
- enzyme recombinante
1, record 1, French, enzyme%20recombinante
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'ingénierie des protéines est l'ensemble des techniques qui permettent, si possible à partir de la connaissance de la structure tridimensionnelle des protéines, de fabriquer des protéines "sur mesure" entièrement nouvelles ou de remodeler d’une manière rationnelle et spécifique la structure des protéines naturelles afin d’améliorer leur fonction et rentabiliser ainsi leur emploi dans la technologie des aliments, ou les industries pharmaceutique et agrochimique. On peut, par exemple, modifier la stabilité thermique, la spécificité, l'activité, ou déplacer le pH optimum des enzymes.(...) Les enzymes recombinantes supplanteront, par de meilleures performances, les enzymes actuelles. 1, record 1, French, - enzyme%20recombinante
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-10-21
Record 2, English
Record 2, Subject field(s)
- Biological Sciences
Record 2, Main entry term, English
- amino acid substitution
1, record 2, English, amino%20acid%20substitution
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- amino acid replacement 2, record 2, English, amino%20acid%20replacement
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The tools of contemporary molecular biology generate a bewildering prospect in that an astronomical number of single amino acid replacements can be generated in even a small enzyme containing only about 100 amino acid residues... Oligodeoxynucleotide-directed mutagenesis allows the systematic replacement of every single amino acid residue in a protein in turn ... Since only a small subset of possible mutant proteins can be examined in the design and production of engineered proteins, target proteins must be carefully considered, and research must be guided by tools such as X-ray crystallography and molecular modeling. Clearly, however, the predictive power of X-ray diffraction techniques and molecular modeling will be much greater for some amino acid substitutions than for others. Mechanism-based inactivation of enzymes will be easy to predict given a known mechanism of action for an enzyme. 3, record 2, English, - amino%20acid%20substitution
Record 2, French
Record 2, Domaine(s)
- Sciences biologiques
Record 2, Main entry term, French
- substitution d'acide aminé
1, record 2, French, substitution%20d%27acide%20amin%C3%A9
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
L'ingénierie des protéines est l'ensemble des techniques qui permettent, si possible à partir de la connaissance de la structure tridimensionnelle des protéines, de fabriquer des protéines "sur mesure" entièrement nouvelles ou de remodeler d’une manière rationnelle et spécifique la structure des protéines naturelles afin d’améliorer leur fonction et rentabiliser ainsi leur emploi dans la technologie des aliments, ou les industries pharmaceutique et agrochimique. On peut, par exemple, modifier la stabilité thermique, la spécificité, l'activité, ou déplacer le pH optimum des enzymes. Au sens strict, la modification de la structure moléculaire(obtenue par substitutions d’acides aminés) se fait grâce aux modifications correspondantes au niveau des gènes par mutagénèse dirigée. Il faut souligner cependant que des protéines améliorées peuvent être obtenues également par la modification chimique des résidus d’acides aminés accessibles. 1, record 2, French, - substitution%20d%27acide%20amin%C3%A9
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2009-08-05
Record 3, English
Record 3, Subject field(s)
- Photoelectricity and Electron Optics
- Biological Sciences
Record 3, Main entry term, English
- biophotonics
1, record 3, English, biophotonics
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Biophotonics has therefore become the established general term for all techniques that deal with the interaction between biological items and photons. This refers to emission, detection, absorption, reflection, modification, and creation of radiation from biomolecular, cells, tissues, organisms and biomaterials. Areas of application are life science, medicine, agriculture, and environmental science. 2, record 3, English, - biophotonics
Record 3, Key term(s)
- bio-photonics
- bio photonics
Record 3, French
Record 3, Domaine(s)
- Photo-électricité et optique électronique
- Sciences biologiques
Record 3, Main entry term, French
- biophotonique
1, record 3, French, biophotonique
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Sciences de la lumière appliquées au vivant. 2, record 3, French, - biophotonique
Record number: 3, Textual support number: 1 CONT
La biophotonique est l'application de l'optique et de la photonique à la biologie, dans le cadre de la recherche fondamentale, du diagnostic et de l'intervention biomédicale. C'est un domaine transdisciplinaire qui relève de la physique(optique, photonique), de la chimie(spectroscopie, chromophores, nanomatériaux), de la biologie, de la biochimie, de la médecine(ADN, protéines, cellules, tissus, organismes), de l'ingénierie(instrumentation) et de l'éthique(en médecine, biologie, environnement et recherche). 3, record 3, French, - biophotonique
Record 3, Key term(s)
- bio-photonique
- bio photonique
Record 3, Spanish
Record 3, Textual support, Spanish
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