Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 550215
Title Comprehensive phenotyping reveals interactions and functions of Arabidopsis thaliana TCP genes in yield determination
Author(s) Es, S.W. van; Auweraert, Elwin van der; Rodrigues da Silveira, Sylvia; Angenent, G.C.; Dijk, A.D.J. van; Immink, G.H.
Source The Plant Journal (2019). - ISSN 0960-7412
Department(s) BIOS Plant Development Systems
Onderzoekschool EPS
Mathematical and Statistical Methods - Biometris
BIOS Applied Bioinformatics
Laboratory of Molecular Biology
Publication type Refereed Article in a scientific journal
Publication year 2019
Abstract Members of the Arabidopsis thaliana TCP transcription factor (TF) family affect plant growth and development. We systematically quantified the effect of mutagenizing single or multiple TCP TFs and how altered vegetative growth or branching influences final seed yield. We monitored rosette growth over time andbranching patterns and seed yield characteristics at the end of the lifecycle. Subsequently, an approach was developed to disentangle vegetative growth and to determine possible effects on seed yield. Analysis of growth parameters showed all investigated tcp mutants to be affected in certain growth aspects compared with wild-type plants, highlighting the importance of TCP TFs in plant development. Furthermore, we found evidence that all class II TCPs are involved in axillary branch outgrowth, either as inhibitors (BRANCHED-like genes) or enhancers (JAW- and TCP5-like genes). Comprehensive phenotyping of plants mutant for single or multiple TCP TFs reveals that the proposed opposite functions of class I and class II TCPs in plant growth needs revision and shows complex interactions between closely related TCP genes instead of full geneticredundancy. In various instances, the alterations in vegetative growth or in branching patterns result into negative trade-off effects on seed yield that were missed in previous studies, showing the importance of comprehensive and quantitative phenotyping.
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