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@ARTICLE{Xu:202476,
author = {Xu, Changzheng and Tai, Huanhuan and Saleem, Muhammad and
Ludwig, Yvonne and Majer, Christine and Berendzen, Kenneth
W. and Nagel, Kerstin and Wojciechowski, Tobias and Meeley,
Robert B. and Taramino, Graziana and Hochholdinger, Frank},
title = {{C}ooperative action of the paralogous maize lateral organ
boundaries ({LOB}) domain proteins {RTCS} and {RTCL} in
shoot-borne root formation},
journal = {The new phytologist},
volume = {207},
number = {4},
issn = {0028-646X},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2015-04685},
pages = {1123 - 1133},
year = {2015},
abstract = {The paralogous maize (Zea mays) LBD (Lateral Organ
Boundaries Domain) genes rtcs (rootless concerning crown and
seminal roots) and rtcl (rtcs-like) emerged from an ancient
whole-genome duplication. RTCS is a key regulator of crown
root initiation. The diversity of expression, molecular
interaction and phenotype of rtcs and rtcl were
investigated. The rtcs and rtcl genes display highly
correlated spatio-temporal expression patterns in roots,
despite the significantly higher expression of rtcs. Both
RTCS and RTCL proteins bind to LBD downstream promoters and
act as transcription factors. In line with its auxin
inducibility and binding to auxin response elements of rtcs
and rtcl promoters, ARF34 (AUXIN RESPONSE FACTOR 34) acts as
transcriptional activator. Yeast two-hybrid screening
combined with bimolecular fluorescence complementation
(BiFC) experiments revealed conserved and unique interaction
partners of RTCS and RTCL. The rtcl mutation leads to
defective shoot-borne root elongation early in development.
Cooperative action of RTCS and RTCL during shoot-borne root
formation was demonstrated by rtcs-dependent repression of
rtcl transcription in coleoptilar nodes. Although RTCS is
instrumental in shoot-borne root initiation, RTCL controls
shoot-borne root elongation early in development. Their
conserved role in auxin signaling, but diverse function in
shoot-borne root formation, is underscored by their
conserved and unique interaction partners.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000358965800021},
pubmed = {pmid:25902765},
doi = {10.1111/nph.13420},
url = {https://juser.fz-juelich.de/record/202476},
}