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@ARTICLE{Duarte:1034041,
author = {Duarte, Rafael D. C. and Nunes da Silva, Marta and
Fortunato, Gianuario and Quiros, Juan and Muller, Onno and
Manaia, Célia M. and Vasconcelos, Marta W.},
title = {{E}ffects of short-term exposure to elevated atmospheric
{CO}2 on yield, nutritional profile, genetic regulatory
pathways, and rhizosphere microbial community of common bean
({P}haseolus vulgaris)},
journal = {Plant and soil},
volume = {512},
issn = {0032-079X},
address = {Dordrecht [u.a.]},
publisher = {Springer Science + Business Media B.V},
reportid = {FZJ-2024-06871},
pages = {297-311},
year = {2025},
abstract = {Aim Legumes are vital to agroecosystems and human
nutrition, yet climate change is compromising their
nutritional value. This study aims to assess how a one-month
exposure to elevated CO2 (eCO2) impacts biomass yield,
mineral profile, gene expression, and the soil microbiome of
common bean plants (Phaseolus vulgaris L.). Methods
Phaseolus vulgaris L. was grown in field conditions under
ambient CO2 (control, aCO2, 400 ppm) or eCO2 (600 pm) from
the start of pod filling until plant maturity and analyzed
for several morphophysiological and nutritional parameters.
Results Compared with aCO2, eCO2 exposure significantly
increased plant and grain biomass, with fluctuations in
mineral accumulation. Notably, it decreased grain iron and
zinc concentrations, two essential microelements related to
food security, by $59\%$ and $49\%,$ respectively.
Additionally, grain phenolic content decreased by up to
$41\%.$ Genes involved in mineral uptake (such as FER1,
ZIP1, and ZIP16), plant response to stress (TCR1, TCR2, and
HLH54) and symbiosis with soil microorganisms (NRMAP7 and
RAM2) seemed to regulate effects. Microbiome analysis
supported these findings, with an increase in the relative
abundance of Pseudomonadota by $10\%,$ suggesting
eCO2-induced alterations in microbial community structure.
Conclusions This research demonstrates how eCO2 impacts the
nutritional quality of common beans regarding micronutrients
and phenolic content, while also affecting soil microbiome
composition. Highlighting the value of shorter term eCO2
treatments, the findings provide early insights into
immediate plant responses. This underscores the need for
crop improvement strategies to address nutrient deficiencies
that may arise under future eCO2 conditions.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {2171 - Biological and environmental resources for
sustainable use (POF4-217)},
pid = {G:(DE-HGF)POF4-2171},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001376801300001},
doi = {10.1007/s11104-024-07074-y},
url = {https://juser.fz-juelich.de/record/1034041},
}