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Related Concept Videos

Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
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Elements and Compounds01:27

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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond. Elements are classified as atomic or molecular based on the nature of their basic units.
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A chemical symbol is an abbreviation used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. The same symbol is used to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain).
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Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements
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How Plants Handle Trivalent (+3) Elements.

Charlotte Poschenrieder1, Silvia Busoms2, Juan Barceló3

  • 1Plant Physiology Lab., Bioscience Faculty, Universidad Autónoma de Barcelona, 08193 Barcelona, Spain. charlotte.poschenrieder@uab.cat.

International Journal of Molecular Sciences
|August 21, 2019
PubMed
Summary

Plants manage essential and toxic trivalent elements using specialized transporters. This review details mechanisms for plant homeostasis of elements like iron, boron, and aluminum.

Keywords:
aluminumaquaporinarsenicboronchannelchromiumironplasma membranetransportervacuole

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Area of Science:

  • Plant Biology
  • Biochemistry
  • Environmental Science

Background:

  • Plant development relies on soil mineral availability, with essential nutrients transported as cations or anions.
  • Trivalent cations pose toxicity risks to plant membranes, necessitating evolved protective mechanisms.
  • Some essential elements (Fe, Mn) and non-essential elements (Al, Cr, As, Sb) exist in trivalent states.

Purpose of the Study:

  • To review recent studies on plant uptake and tolerance of trivalent elements.
  • To provide a global overview of trivalent element homeostasis in plants.
  • To identify transporters and channels involved in managing these elements.

Main Methods:

  • Literature review of recent studies on trivalent element transport in plants.
  • Analysis of mechanisms for handling essential and non-essential trivalent elements.
  • Examination of cellular and tissue-level transport systems.

Main Results:

  • Plants possess diverse mechanisms to safely handle trivalent elements.
  • Specific transporters and channels are involved in the uptake and homeostasis of these elements.
  • Understanding these mechanisms is crucial for plant fitness and soil element management.

Conclusions:

  • Plants have evolved sophisticated systems for managing trivalent element homeostasis.
  • These mechanisms are vital for plant survival and productivity in soils with varying element concentrations.
  • Further research into these transporters and channels can inform agricultural practices and environmental remediation.