The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana:
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 143 S. Ill., graph. Darst. 30 cm |
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Datensatz im Suchindex
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|---|---|
| adam_text | CONTENTS
SUMMARY 6
INTRODUCTION 8
APICAL AND BASAL AXIS FORMATION 8
THE SPECIFICATION OF APICAL AND BASAL DOMAINS IN GLOBULAR EMBRYOS 10
ORGAN FORMATION IN THE APICAL EMBRYO DOMAIN 11
WOX GENE FUNCTIONS DURING EMBRYOGENESIS 15
AIM OF THE STUDY 17
RESULTS 18
CHAPTER I APICAL-BASAL AXIS FORMATION DURING EMBRYOGENESIS 18
1. WRKY2 FUNCTION IN ZYGOTE POLARITY 18
WOX8 IS NOT REGULATED BY GNOM 18
THE CISB ELEMENT OF THE WOX8 PROMOTER IS ESSENTIAL FOR WOX8 EXPRESSION
18
WRKY2 IS NOT REQUIRED FOR EGG CELL POLARITY 19
2. WOX2 FUNCTION IN APICAL-BASAL AXIS FORMATION 20
OVEREXPRESSION OF WOX2 RESULTS IN A SYMMETRIC ZYGOTIC DIVISION 20
WOX2 PARTIALLY SUPPRESSES THE YDA PHENOTYPE IN THE ZYGOTIC DIVISION AND
APICAL-BASAL AXIS
FORMATION 22
WOX1 AND WOX3 DO NOT ACT REDUNDANTLY WITH WOX2 DURING EARLY
EMBRYOGENESIS 25
*WOX2
SUPPRESSES THE SYMMETRIC ZYGOTE DIVISION OF MPK3 MPK6 BUT NOT OF GRD-3
...25
WOX2 PARTIALLY RESTORES EXPRESSION OF THE BASAL CELL IDENTITY MARKER
WOX8-YFP IN YDA 26
CONSTITUTIVELY ACTIVE YDA ACTIVITY ENHANCES WOX2 PROTODERM DEFECTS 28
WOX2 EXPRESSION IS UPREGULATED IN THE BASAL CELLS OF YDA
EMBRYOS 29
WOX2 SUPPRESSES ASYMMETRIC ZYGOTIC DIVISION AND SUSPENSOR DEFECTS OF
WRKY2-L 31
WOX2 EXPRESSION EXPANDS INTO THE UPPER MOST SUSPENSOR CELL OF WRKY2-L 33
CHAPTER II IDENTIFICATION OF DOWNSTREAM FACTORS OF WOX2 BY TRANSCRIPTOME
PROFILING ..34
1. TRANSCRIPTION PROFILING OF WOX2 WOX8 MUTANT EMBRYOS 34
PROFILING WOX2 WOX8 GLOBULAR EMBRYOS 34
VALIDATION OF PUTATIVE TARGETS 36
1) WRKY23 38
2) WRF11 45
3) CUC2 46
4) WRF2 AND WRF5 48
3
HTTP://D-NB.INFO/1037705726
5) CYTOKININ GENES 50
6) YUCCA 1 52
2. TRANSCRIPTOME PROFILING OF WOX2/MP DOUBLE OVEREXPRESSION IN SEEDLINGS
53
CHAPTER III HD-ZIPIII
GENES MEDIATE WOX2 FUNCTION IN EMBRYONIC SHOOT PATTERNING .54
ZPR3 EXPRESSION IS REDUCED IN WOX2 WOX8 MUTANTS 54
PWOX2:ZPR3
ENHANCES COTYLEDON DEFECTS OF WOX2 WOX8 EMBRYOS 55
THE LOSS OF FUNCTION ZPR3 MUTANT SUPPRESSES WOX2 WOX8 COTYLEDON DEFECTS
55
THE WOX!235 QUADRUPLE MUTANT DISPLAYS STRONGER SHOOT FORMATION DEFECTS
THAN WOX2 WOX8..56
WOX5 IS UPREGULATED IN WOXL23 EMBRYOS 58
LI LAYER AND BASAL IDENTITIES ARE PROPERLY DEFINED IN WOXL235 EMBRYOS 58
BILATERAL SYMMETRY IS NOT ESTABLISHED IN WOXL235 EMBRYOS 60
THE COTYLEDON-LIKE SHOOT STRUCTURE HAS ABAXIALIZED IDENTITY 62
EXPRESSION OF REV
AND PHB IS REDUCED IN THE CENTRAL DOMAINS OF WOXL235 EMBRYOS 63
EXPRESSION PATTERN OF LITTLE
ZIPPER 3 IS REDUCED IN WOX!235 EMBRYOS 64
EXPRESSION OF WOX2 IS SUFFICIENT TO PROMOTE PHB EXPRESSION 65
ECTOPIC EXPRESSION OF HD-ZIP III
GENES PARTIALLY RESCUES WOX!235 EMBRYO DEFECTS 68
FURTHER REDUCTION OF HD-ZIP
III
GENES ACTIVITY ENHANCES WOX!235 DEFECTS 72
MIR166B IS ECTOPICALLY EXPRESSED IN THE LI OF THE CENTRAL DOMAIN IN
WOXL235 EMBRYOS 74
PWOX2:MIML65/166
SUPPRESSES WOXL235 EMBRYONIC SHOOT DEFECTS 75
DISCUSSION 77
WOX2 CONTRIBUTES TO APICAL-BASAL BALANCE IN EARLY EMBRYOGENESIS 77
THE ROLES OF WOX2 IN EMBRYONIC SHOOT FORMATION 79
HD-ZIP III
GENES MEDIATE WOX2 FUNCTION IN BILATERAL PATTERNING DURING SHOOT
FORMATION 80
WOX2
IS REQUIRED FOR CENTRAL DOMAIN IDENTITY ESTABLISHMENT 81
IS DEFECTIVE PROTODERM FORMATION THE CAUSE OF SHOOT FORMATION DEFECTS IN
WOX!2357 82
WOX2 AFFECTS THE AUXIN-CYTOKININ HOMEOSTASIS 83
WOX2 ACTS THROUGH CUC GENES TO REGULATE PRIMARY SHOOT MERISTEM FORMATION
85
WHAT IS THE REASON FOR THE FUNCTIONAL REDUNDANCY AMONG WOX1, 2, 3, 5? 85
WOX2 FUNCTIONS THROUGH SEPARATE MODULES AT DIFFERENT DEVELOPMENTAL
STAGES DURING
EMBRYOGENESIS 86
PUBLICATIONS 88
METHODS 91
REFERENCES 98
4
APPENDICES
ACKNOWLEDGMENTS
|
| any_adam_object | 1 |
| author | Zhang, Zhongjuan |
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| author_facet | Zhang, Zhongjuan |
| author_role | aut |
| author_sort | Zhang, Zhongjuan |
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| building | Verbundindex |
| bvnumber | BV041252289 |
| ctrlnum | (OCoLC)859390195 (DE-599)DNB1037705726 |
| dewey-full | 571.862364 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 571 - Physiology & related subjects |
| dewey-raw | 571.862364 |
| dewey-search | 571.862364 |
| dewey-sort | 3571.862364 |
| dewey-tens | 570 - Biology |
| discipline | Biologie |
| format | Thesis Book |
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| language | English |
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| spelling | Zhang, Zhongjuan Verfasser (DE-588)1036378586 aut The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana Zhongjuan Zhang 2012 143 S. Ill., graph. Darst. 30 cm txt rdacontent n rdamedia nc rdacarrier Freiburg (Breisgau), Univ., Diss., 2013 (DE-588)4113937-9 Hochschulschrift gnd-content DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026226310&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Zhang, Zhongjuan The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana |
| subject_GND | (DE-588)4113937-9 |
| title | The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana |
| title_auth | The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana |
| title_exact_search | The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana |
| title_full | The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana Zhongjuan Zhang |
| title_fullStr | The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana Zhongjuan Zhang |
| title_full_unstemmed | The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana Zhongjuan Zhang |
| title_short | The function of the homeobox gene WOX2 during embryogenesis in Arabidopsis thaliana |
| title_sort | the function of the homeobox gene wox2 during embryogenesis in arabidopsis thaliana |
| topic_facet | Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026226310&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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