ArticlePlant signaling & behavior2012
Pectate chemistry links cell expansion to wall deposition in Chara corallina.
Article in Plant signaling & behavior, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 35 citations in OpenAlex.
- Rhamnogalacturonan-II Dimerisation Reinforces Salt Resistance in Sugar Beet.Plant, cell & environment · 2026Article
- The plant cell wall-dynamic, strong, and adaptable-is a natural shapeshifter.The Plant cell · 2024Review
- The extracellular matrix of green algae.Plant physiology · 2023Review
- The cell biology of charophytes: Exploring the past and models for the future.Plant physiology · 2022Article
- Silicon mitigates nutritional stress in quinoa (Chenopodium quinoa Willd.).Scientific reports · 2021Article
- Functions and structure of roots and their contributions to salinity tolerance in plants.Breeding science · 2021Article
- Mechanisms of Plant Responses and Adaptation to Soil Salinity.Innovation (Cambridge (Mass.)) · 2020Review
- Experimental Manipulation of Pectin Architecture in the Cell Wall of the Unicellular Charophyte,Frontiers in plant science · 2020Article
- Dimensionless numbers to study cell wall deformation of stiff mutants ofPlant direct · 2019Article
- Enzyme-Less Growth in Chara and Terrestrial Plants.Frontiers in plant science · 2016Review
- Green algae and the origins of multicellularity in the plant kingdom.Cold Spring Harbor perspectives in biology · 2014Review
- Growth Control: A Saga of Cell Walls, ROS, and Peptide Receptors.The Plant cell · 2014Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pectate (polygalacturonic acid) acts as a chelator to bind calcium and form cross-links that hold adjacent pectate polymers and thus plant cell walls together. When under tension from turgor pressure in the cell, the cross-links appear to distort and weaken. New pectate supplied by the cytoplasm is undistorted and removes wall calcium preferentially from the weakened bonds, loosening the wall and accelerating cell expansion. The new pectate now containing the removed calcium can bind to the wall, strengthening it and linking expansion to wall deposition. But new calcium needs to be added as well to replenish the calcium lost from the vacated wall pectate. A recent report demonstrated that growth was disrupted if new calcium was unavailable. The present addendum highlights this conclusion by reviewing an experiment from before the chelation chemistry was understood. Using cell wall labeling, a direct link appeared between wall expansion and wall deposition. Together, these experiments support the concept that newly supplied pectate has growth activity on its way to deposition in the wall. Growth rate is thus controlled by signals affecting the rate of pectate release. After release, the coordination of expansion and deposition arises naturally from chelation chemistry when polymers are under tension from turgor pressure.
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