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  2. Magnesium in biology - Wikipedia

    en.wikipedia.org/wiki/Magnesium_in_biology

    Magnesium can also be toxic to plants, although this is typically seen only in drought conditions. [47] [48] Space-filling model of the chlorophyll a molecule, with the magnesium ion (bright-green) visible at the center of the chlorin group. In animals, magnesium deficiency (hypomagnesemia) is seen when the environmental availability of ...

  3. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    The outstanding role of magnesium in plant nutrition is as a constituent of the chlorophyll molecule. As a carrier, it is also involved in numerous enzyme reactions as an effective activator, in which it is closely associated with energy-supplying phosphorus compounds.

  4. Plant nutrients in soil - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrients_in_soil

    Magnesium is one of the dominant exchangeable cations in most soils (after calcium and potassium). Magnesium is an essential element for plants, microbes and animals, being involved in many catalytic reactions and in the synthesis of chlorophyll. Primary minerals that weather to release magnesium include hornblende, biotite and vermiculite ...

  5. RuBisCO - Wikipedia

    en.wikipedia.org/wiki/RuBisCo

    The pH and the concentration of magnesium ions in the fluid compartment (in plants, the stroma of the chloroplast) increases in the light. The role of changing pH and magnesium ion levels in the regulation of RuBisCO enzyme activity is discussed below. Once the carbamate is formed, His335 finalizes the activation by returning to its initial ...

  6. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Photosynthesis plays a critical role in producing and maintaining the oxygen content of the Earth's atmosphere, and it supplies most of the biological energy necessary for complex life on Earth. [ 2 ]

  7. Magnesium deficiency - Wikipedia

    en.wikipedia.org/wiki/Magnesium_deficiency

    Magnesium has an important role in photosynthesis because it forms the central atom of chlorophyll. [54] Therefore, without sufficient amounts of magnesium, plants begin to degrade the chlorophyll in the old leaves.

  8. Chlorophyll - Wikipedia

    en.wikipedia.org/wiki/Chlorophyll

    The presence of magnesium in chlorophyll was discovered in 1906, [7] and was the first detection of that element in living tissue. [8] After initial work done by German chemist Richard Willstätter spanning from 1905 to 1915, the general structure of chlorophyll a was elucidated by Hans Fischer in 1940.

  9. Magnesium - Wikipedia

    en.wikipedia.org/wiki/Magnesium

    Magnesium is a chemical element ... There is limited evidence that magnesium supplementation may play a role in the ... essential for photosynthesis. [131] Magnesium ...