EP1088073A2 - Elements regulateurs cryptiques obtenus a partir de plantes - Google Patents

Elements regulateurs cryptiques obtenus a partir de plantes

Info

Publication number
EP1088073A2
EP1088073A2 EP99926205A EP99926205A EP1088073A2 EP 1088073 A2 EP1088073 A2 EP 1088073A2 EP 99926205 A EP99926205 A EP 99926205A EP 99926205 A EP99926205 A EP 99926205A EP 1088073 A2 EP1088073 A2 EP 1088073A2
Authority
EP
European Patent Office
Prior art keywords
regulatory element
gus
cryptic
seq
nucleotides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99926205A
Other languages
German (de)
English (en)
Inventor
Brian Miki
Therese Ouellet
Jiro Hattori
Elizabeth Foster
Hélène LABBE
Teresa Martin-Heller
Lining Tian
Daniel Charles William Brown
Peijun Zhang
Keqiang Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agriculture and Agri Food Canada AAFC
Original Assignee
Agriculture and Agri Food Canada AAFC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agriculture and Agri Food Canada AAFC filed Critical Agriculture and Agri Food Canada AAFC
Priority claimed from PCT/CA1999/000578 external-priority patent/WO1999067389A2/fr
Publication of EP1088073A2 publication Critical patent/EP1088073A2/fr
Withdrawn legal-status Critical Current

Links

Landscapes

  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

Le marquage de l'ADN-T par un gène bêta-glucuronidase sans promoteur (GUS) a généré des plantes transgéniques appelées Nicotiana tabacum qui ont exprimé une activité GUS soit uniquement par développement de téguments, soit de manière constitutive. L'analyse du clonage et de la délétion de la fusion GUS a révélé que le promoteur responsable de la spécificité du tégument était implanté dans l'ADN de la plante à proximité du gène GUS. L'analyse de la région a démontré que la spécificité de l'expression de GUS relative au tégument dans ladite plante transgénique procédait de l'insertion de l'ADN-T à côté d'un promoteur cryptique. Ce promoteur régule efficacement dans des semences l'expression de gènes relativement au tégument en croissance. De même, le clonage et la caractérisation du promoteur cryptique constitutif ont révélé la présence de plusieurs régions régulatrices cryptiques. Ces régions incluent un promoteur, des éléments régulateurs négatifs, des amplificateurs transcriptionnels, des régions promotrices minimales et des amplificateurs traductionnels ou autres éléments régulateurs.
EP99926205A 1998-06-22 1999-06-22 Elements regulateurs cryptiques obtenus a partir de plantes Withdrawn EP1088073A2 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10231298A 1998-06-22 1998-06-22
US102312 1998-06-22
CA002246892A CA2246892A1 (fr) 1998-06-22 1998-09-09 Elements regulateurs cryptiques dans les plantes
CA2246892 1998-09-09
PCT/CA1999/000578 WO1999067389A2 (fr) 1995-05-15 1999-06-22 Elements regulateurs cryptiques obtenus a partir de plantes

Publications (1)

Publication Number Publication Date
EP1088073A2 true EP1088073A2 (fr) 2001-04-04

Family

ID=29418301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99926205A Withdrawn EP1088073A2 (fr) 1998-06-22 1999-06-22 Elements regulateurs cryptiques obtenus a partir de plantes

Country Status (3)

Country Link
EP (1) EP1088073A2 (fr)
AU (1) AU4355199A (fr)
CA (2) CA2246892A1 (fr)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9967389A2 *

Also Published As

Publication number Publication date
CA2331842A1 (fr) 1999-12-29
AU4355199A (en) 2000-01-10
CA2246892A1 (fr) 1999-12-22
CA2331842C (fr) 2007-12-18

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Legal Events

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