A chloroplast-localized mitochondrial calcium uniporter transduces osmotic stress in Arabidopsis

E Teardo, L Carraretto, R Moscatiello, E Cortese… - Nature plants, 2019 - nature.com
… 2+ -mediated stress signals remains poorly understood 1,2 . Here we identify cMCU, a
member of the mitochondrial calcium uniporter (MCU) family, as an ion channel mediating Ca 2+ …

[PDF][PDF] A chloroplast localized heavy metal-associated domain containing protein regulates grain calcium accumulation in rice

H Liu, C Lu, XQ Liu, CJ Zhuo, RJ Luo… - Nature …, 2024 - nature.com
… an order of magnitude lower than those of the Arabidopsis calmodulin AtCaM1 (Kd = 5.6–20 …
The Ca uniporter cMCU and Ca2+ transporter BICAT have been shown to mediate the Ca2…

Chloroplast calcium signaling in the spotlight

L Navazio, E Formentin, L Cendron… - Frontiers in plant …, 2020 - frontiersin.org
… organelles in transducing Ca 2+ -mediated stress signals. In this … a chloroplast-localized
member of the mitochondrial calcium … in the drought stress response in Arabidopsis. While many …

Perturbation of mitochondrial Ca2+ homeostasis activates cross-compartmental proteostatic response in Arabidopsis

X Zhang, C Ma, X Bao, S Zhang, O Zayed, Z Zhang… - BioRxiv, 2022 - biorxiv.org
… - and chloroplast-localized pentatricopeptide repeat proteins (… -induced mitochondrial stress
may be transduced by different … We tested the resistance to mannitol induced osmotic stress, …

Comparative analysis of wild-type and chloroplast MCU-deficient plants reveals multiple consequences of chloroplast calcium handling under drought stress

F Corti, M Festa, F Stein, P Stevanato… - Frontiers in Plant …, 2023 - frontiersin.org
… Our results obtained in the model plant Arabidopsis thaliana … The chloroplast-localized
RH3 was reported to be essential … Beside an impact of cMCU on the short-term osmotic stress

[HTML][HTML] Genome-Wide Identification and Expression Profiling Analysis of the Mitochondrial Calcium Uniporter Gene Family Under Abiotic Stresses in Medicago sativa

W Li, B Jia, J Sheng, Y Shen, J Jin, X Sun, X Liu, M Sun - Plants, 2024 - mdpi.com
… These protein kinases transduce signals by phosphorylating … sequences of MCU proteins
from Arabidopsis [26] and wild … movement under osmotic stress by mediating chloroplast Ca 2+ …

The contribution of chloroplasts and endoplasmic reticulum to the plant calcium signalling network

E Cortese - 2019 - research.unipd.it
… CHAPTER 3: Identification of a chloroplast-localized MCU in Arabidopsis 95 … 102 A
chloroplast-localized mitochondrial calcium uniporter transduces osmotic stress in Arabidopsis 104 …

[HTML][HTML] Suppressing a mitochondrial calcium uniporter activates the calcium signaling pathway and promotes cell elongation in cotton

Y Duan, X Shang, R Tian, W Li, X Song, D Zhang… - The Crop Journal, 2024 - Elsevier
… transporter complex was involved in pollen tube germination and growth in Arabidopsis,
and that AtMCU2 played a dominant role in apical cell growth which is highly dependent on …

Chloroplast ion homeostasis–what do we know and where should we go?

HH Kunz, U Armbruster, S Mühlbauer… - New …, 2024 - Wiley Online Library
Arabidopsis arose from cyanobacteria. Contrarily, our analysis highlights a vast lack of (known)
ArabidopsisChloroplast-localized BICAT proteins shape stromal calcium signals and are …

Mitochondria–Chloroplast Cross Talk: A Possible Role for Calcium and Reactive Oxygen Species?

F Corti, M Festa, I Szabo - Bioelectricity, 2023 - liebertpub.com
… In the latter organisms it is involved in transducing a wide … of the chloroplast-localized Ca
2+ sensor protein calcium sensor (… in mitochondrial Ca 2+ transients in Arabidopsis seedlings. …