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@ARTICLE{Bangash:865856,
author = {Bangash, Sajid A. K. and Müller-Schüssele, Stefanie J.
and Solbach, David and Jansen, Marcus and Fiorani, Fabio and
Schwarzländer, Markus and Kopriva, Stanislav and Meyer,
Andreas J.},
title = {{L}ow-glutathione mutants are impaired in growth but do not
show an increased sensitivity to moderate water deficit},
journal = {PLOS ONE},
volume = {14},
number = {10},
issn = {1932-6203},
address = {San Francisco, California, US},
publisher = {PLOS},
reportid = {FZJ-2019-05144},
pages = {e0220589 -},
year = {2019},
abstract = {Glutathione is considered a key metabolite for stress
defense and elevated levels have frequently been proposed to
positively influence stress tolerance. To investigate
whether glutathione affects plant performance and the
drought tolerance of plants, wild-type Arabidopsis plants
and an allelic series of five mutants (rax1, pad2, cad2,
nrc1, and zir1) with reduced glutathione contents between 21
and $63\%$ compared to wild-type glutathione content were
phenotypically characterized for their shoot growth under
control and water-limiting conditions using a shoot
phenotyping platform. Under non-stress conditions the zir1
mutant with only $21\%$ glutathione showed a pronounced
dwarf phenotype. All other mutants with intermediate
glutathione contents up to $62\%$ in contrast showed
consistently slightly smaller shoots than the wild-type.
Moderate drought stress imposed through water withdrawal
until shoot growth ceased showed that wild-type plants and
all mutants responded similarly in terms of chlorophyll
fluorescence and growth retardation. These results lead to
the conclusion that glutathione is important for general
plant performance but that the glutathione content does not
affect tolerance to moderate drought conditions typically
experienced by crops in the field.},
cin = {IBG-2},
ddc = {610},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:31626663},
UT = {WOS:000532567700004},
doi = {10.1371/journal.pone.0220589},
url = {https://juser.fz-juelich.de/record/865856},
}