A Novel Negative Fe-Deficiency-Responsive Element and a TGGCA-Type-Like FeRE Control the Expression of <i>FTR1</i> in <i>Chlamydomonas reinhardtii</i>. Fei, X., Eriksson, M., Li, Y., & Deng, X. Journal of Biomedicine and Biotechnology, 2010:1–9, 2010. Paper doi abstract bibtex We have reported three Fe-deficiency-responsive elements (FEREs), FOX1, ATX1, and FEA1 , all of which are positive regulatory elements in response to iron deficiency in Chlamydomonas reinhardtii . Here we describe FTR1 , another iron regulated gene and mutational analysis of its promoter. Our results reveal that the FeREs of FTR1 distinguish itself from other iron response elements by containing both negative and positive regulatory regions. In FTR1 , the − 291/ − 236 region from the transcriptional start site is necessary and sufficient for Fe-deficiency-inducible expression. This region contains two positive FeREs with a TGGCA-like core sequence: the FtrFeRE1 (A TGCA GGCT) at − 287/ − 279 and the FtrFeRE2 (AAGCGAT TGCCA GAGCGC) at − 253/ − 236. Furthermore, we identified a novel FERE, FtrFeRE3 (AGTAACTGTTAAGCC) localized at − 319/ − 292, which negatively influences the expression of FTR1 .
@article{fei_novel_2010,
title = {A {Novel} {Negative} {Fe}-{Deficiency}-{Responsive} {Element} and a {TGGCA}-{Type}-{Like} {FeRE} {Control} the {Expression} of \textit{{FTR1}} in \textit{{Chlamydomonas} reinhardtii}},
volume = {2010},
issn = {1110-7243, 1110-7251},
url = {http://www.hindawi.com/journals/bmri/2010/790247/},
doi = {10.1155/2010/790247},
abstract = {We have reported three Fe-deficiency-responsive elements (FEREs),
FOX1, ATX1,
and
FEA1
, all of which are positive regulatory elements in response to iron deficiency in
Chlamydomonas reinhardtii
. Here we describe
FTR1
, another iron regulated gene and mutational analysis of its promoter. Our results reveal that the FeREs of
FTR1
distinguish itself from other iron response elements by containing both
negative
and
positive
regulatory regions. In
FTR1
, the
−
291/
−
236 region from the transcriptional start site is necessary and sufficient for Fe-deficiency-inducible expression. This region contains two positive FeREs with a TGGCA-like core sequence: the FtrFeRE1 (A
TGCA
GGCT) at
−
287/
−
279 and the FtrFeRE2 (AAGCGAT
TGCCA
GAGCGC) at
−
253/
−
236. Furthermore, we identified a novel FERE, FtrFeRE3 (AGTAACTGTTAAGCC) localized at
−
319/
−
292, which negatively influences the expression of
FTR1
.},
language = {en},
urldate = {2021-06-08},
journal = {Journal of Biomedicine and Biotechnology},
author = {Fei, Xiaowen and Eriksson, Mats and Li, Yajun and Deng, Xiaodong},
year = {2010},
pages = {1--9},
}
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