Overcoming ammonium toxicity

A Bittsánszky, K Pilinszky, G Gyulai, T Komives - Plant Science, 2015 - Elsevier
Ammonia (ammonium ion under physiological conditions) is one of the key nitrogen sources
in cellular amino acid biosynthesis. It is continuously produced in living organisms by a …

Mechanisms of ammonium toxicity and the quest for tolerance

R Esteban, I Ariz, C Cruz, JF Moran - Plant Science, 2016 - Elsevier
Ammonium sensitivity of plants is a worldwide problem, constraining crop production.
Prolonged application of ammonium as the sole nitrogen source may result in physiological …

Ammonium phytotoxicity and tolerance: An insight into ammonium nutrition to improve crop productivity

J Shilpha, J Song, BR Jeong - Agronomy, 2023 - mdpi.com
Ammonium sensitivity is considered a globally stressful condition that affects overall crop
productivity. The major toxic symptom associated with ammonium nutrition is growth …

Ammonium as a signal for physiological and morphological responses in plants

Y Liu, N von Wirén - Journal of Experimental Botany, 2017 - academic.oup.com
Ammonium is a major inorganic nitrogen source for plants. At low external supplies,
ammonium promotes plant growth, while at high external supplies it causes toxicity …

Nitrate addition alleviates ammonium toxicity without lessening ammonium accumulation, organic acid depletion and inorganic cation depletion in Arabidopsis …

T Hachiya, CK Watanabe, M Fujimoto… - Plant and Cell …, 2012 - academic.oup.com
When ammonium is the sole nitrogen (N) source, plant growth is suppressed compared with
the situation where nitrate is the N source. This is commonly referred to as ammonium …

Nitrogen source and external medium pH interaction differentially affects root and shoot metabolism in Arabidopsis

A Sarasketa, MB González-Moro… - Frontiers in plant …, 2016 - frontiersin.org
Ammonium nutrition often represents an important growth-limiting stress in plants. Some of
the symptoms that plants present under ammonium nutrition have been associated with pH …

[HTML][HTML] Structure, function and regulation of ammonium transporters in plants

SM Howitt, MK Udvardi - Biochimica et Biophysica Acta (BBA) …, 2000 - Elsevier
Ammonium is an important source of nitrogen for plants. It is taken up by plant cells via
ammonium transporters in the plasma membrane and distributed to intracellular …

Excessive ammonium assimilation by plastidic glutamine synthetase causes ammonium toxicity in Arabidopsis thaliana

T Hachiya, J Inaba, M Wakazaki, M Sato… - Nature …, 2021 - nature.com
Plants use nitrate, ammonium, and organic nitrogen in the soil as nitrogen sources. Since
the elevated CO2 environment predicted for the near future will reduce nitrate utilization by …

How does glutamine synthetase activity determine plant tolerance to ammonium?

C Cruz, AFM Bio, MD Domínguez-Valdivia… - Planta, 2006 - Springer
The wide range of plant responses to ammonium nutrition can be used to study the way
ammonium interferes with plant metabolism and to assess some characteristics related with …

Function and regulation of ammonium transporters in plants

DL Hao, JY Zhou, SY Yang, W Qi, KJ Yang… - International Journal of …, 2020 - mdpi.com
Ammonium transporter (AMT)-mediated acquisition of ammonium nitrogen from soils is
essential for the nitrogen demand of plants, especially for those plants growing in flooded or …