scholarly journals Distinct pH regulation of slow and rapid anion channels at the plasma membrane of Arabidopsis thaliana hypocotyl cells

2005 ◽  
Vol 56 (417) ◽  
pp. 1897-1903 ◽  
Author(s):  
Jean Colcombet ◽  
Françoise Lelièvre ◽  
Sébastien Thomine ◽  
Hélène Barbier-Brygoo ◽  
Jean-Marie Frachisse
Keyword(s):  
Arabidopsis Thaliana ◽  
Plasma Membrane ◽  
Ph Regulation ◽  
Anion Channels

scholarly journals Brassinosteroids Regulate Plasma Membrane Anion Channels in Addition to Proton Pumps During Expansion of Arabidopsis thaliana Cells

2005 ◽  
Vol 46 (9) ◽  
pp. 1494-1504 ◽  
Author(s):  
Zongshen Zhang ◽  
Javier Ramirez ◽  
David Reboutier ◽  
Mathias Brault ◽  
Jacques Trouverie ◽  
...  
Keyword(s):  
Arabidopsis Thaliana ◽  
Plasma Membrane ◽  
Proton Pumps ◽  
Anion Channels

scholarly journals A family of pathogen-induced cysteine-rich transmembrane proteins is involved in plant disease resistance

Planta ◽  
2021 ◽  
Vol 253 (5) ◽  
Author(s):  
Marciel Pereira Mendes ◽  
Richard Hickman ◽  
Marcel C. Van Verk ◽  
Nicole M. Nieuwendijk ◽  
Anja Reinstädler ◽  
...  
Keyword(s):  
Arabidopsis Thaliana ◽  
Plasma Membrane ◽  
Disease Resistance ◽  
Plant Disease Resistance ◽  
Transmembrane Proteins ◽  
Series Data ◽  
Immune Gene ◽  
Biological Processes ◽  
Hypocotyl Growth ◽  
Enhanced Resistance

Abstract Main conclusion Overexpression of pathogen-induced cysteine-rich transmembrane proteins (PCMs) in Arabidopsis thaliana enhances resistance against biotrophic pathogens and stimulates hypocotyl growth, suggesting a potential role for PCMs in connecting both biological processes. Abstract Plants possess a sophisticated immune system to protect themselves against pathogen attack. The defense hormone salicylic acid (SA) is an important player in the plant immune gene regulatory network. Using RNA-seq time series data of Arabidopsis thaliana leaves treated with SA, we identified a largely uncharacterized SA-responsive gene family of eight members that are all activated in response to various pathogens or their immune elicitors and encode small proteins with cysteine-rich transmembrane domains. Based on their nucleotide similarity and chromosomal position, the designated Pathogen-induced Cysteine-rich transMembrane protein (PCM) genes were subdivided into three subgroups consisting of PCM1-3 (subgroup I), PCM4-6 (subgroup II), and PCM7-8 (subgroup III). Of the PCM genes, only PCM4 (also known as PCC1) has previously been implicated in plant immunity. Transient expression assays in Nicotiana benthamiana indicated that most PCM proteins localize to the plasma membrane. Ectopic overexpression of the PCMs in Arabidopsis thaliana resulted in all eight cases in enhanced resistance against the biotrophic oomycete pathogen Hyaloperonospora arabidopsidis Noco2. Additionally, overexpression of PCM subgroup I genes conferred enhanced resistance to the hemi-biotrophic bacterial pathogen Pseudomonas syringae pv. tomato DC3000. The PCM-overexpression lines were found to be also affected in the expression of genes related to light signaling and development, and accordingly, PCM-overexpressing seedlings displayed elongated hypocotyl growth. These results point to a function of PCMs in both disease resistance and photomorphogenesis, connecting both biological processes, possibly via effects on membrane structure or activity of interacting proteins at the plasma membrane.

scholarly journals The Arabidopsis thaliana plasma membrane H(+)-ATPase multigene family. Genomic sequence and expression of a third isoform.

1990 ◽  
Vol 265 (23) ◽  
pp. 13601-13608
Author(s):  
J.F. Harper ◽  
L. Manney ◽  
N.D. DeWitt ◽  
M.H. Yoo ◽  
M.R. Sussman
Keyword(s):  
Arabidopsis Thaliana ◽  
Plasma Membrane ◽  
Multigene Family ◽  
Genomic Sequence

Modulation of frequency and height of cytosolic calcium spikes by plasma membrane anion channels in guard cells

2021 ◽  
Author(s):  
Md Tahjib-Ul-Arif ◽  
Shintaro Munemasa ◽  
Toshiyuki Nakamura ◽  
Yoshimasa Nakamura ◽  
Yoshiyuki Murata
Keyword(s):  
Plasma Membrane ◽  
Stomatal Closure ◽  
Anion Channel ◽  
Guard Cells ◽  
Cytosolic Calcium ◽  
Peak Height ◽  
Extracellular Calcium ◽  
Wild Type ◽  
Anion Channels ◽  
In The Wild

Abstract Cytosolic calcium ([Ca2+]cyt) elevation activates plasma membrane anion channels in guard cells, which is required for stomatal closure. However, involvement of the anion channels in the [Ca2+]cyt elevation remains unclear. We investigated the involvement using Arabidopsis thaliana anion channel mutants, slac1-4 slah3-3 and slac1-4 almt12-1. Extracellular calcium induced stomatal closure in the wild-type plants but not in the anion channel mutant plants whereas extracellular calcium induced [Ca2+]cyt elevation both in the wild-type guard cells and in the mutant guard cells. The peak height and the number of the [Ca2+]cyt spike were lower and larger in the slac1-4 slah3-3 than in the wild-type and the height and the number in the slac1-4 almt12-1 were much lower and much larger than in the wild-type. These results suggest that the anion channels are involved in the regulation of [Ca2+]cyt elevation in guard cells.

Calcium-regulated anion channels in the plasma membrane of Lilium longiflorum pollen protoplasts

2011 ◽  
Vol 192 (1) ◽  
pp. 45-60 ◽  
Author(s):  
Bárbara Tavares ◽  
Pedro Nuno Dias ◽  
Patrícia Domingos ◽  
Teresa Fonseca Moura ◽  
José Alberto Feijó ◽  
...  
Keyword(s):  
Plasma Membrane ◽  
Lilium Longiflorum ◽  
Anion Channels
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