Ectopic Expression of the Homeotic MADS-Box Gene HAM31 (Helianthus annuus L.) in Transgenic Plants Nicotiana tabacum L. Affects the Gynoecium Identity

The structure of the MADS-box gene HAM31 of the sunflower ( Helianthus annuus ) was characterized. It is shown that the product of this gene is an ortholog of the B-class MADS transcription factor PISTILLATA ( Arabidopsis thaliana ). Two types of transgenic tobacco plants ( Nicotiana tabacum ) with...

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Bibliographic Details
Published in:Doklady. Biochemistry and biophysics 2018-11, Vol.483 (1), p.363-368
Main Authors: Shchennikova, A. V., Shulga, O. A., Skryabin, K. G.
Format: Article
Language:English
Subjects:
Antisense RNA
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biophysics
Ectopic expression
Flowers
Gene Expression
Helianthus - genetics
Helianthus annuus
Life Sciences
MADS box proteins
MADS Domain Proteins - biosynthesis
MADS Domain Proteins - genetics
Molecular Biology
Nicotiana - genetics
Nicotiana - metabolism
Nicotiana tabacum
Plant Proteins - biosynthesis
Plant Proteins - genetics
Plants, Genetically Modified - genetics
Plants, Genetically Modified - metabolism
Tobacco
Transgenic plants
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Summary:The structure of the MADS-box gene HAM31 of the sunflower ( Helianthus annuus ) was characterized. It is shown that the product of this gene is an ortholog of the B-class MADS transcription factor PISTILLATA ( Arabidopsis thaliana ). Two types of transgenic tobacco plants ( Nicotiana tabacum ) with the constitutive expression of the HAM31 gene in the sense and antisense orientation were obtained. The 35S :: HAM31s plants formed flowers with an altered gynoecium identity, whereas 35S :: HAM31as plants did not differ from the control.
ISSN:1607-6729
1608-3091
DOI:10.1134/S1607672918060182