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Related Concept Videos

Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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 atmosphere, the...
Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
Epiphytes, Parasites, and Carnivores02:40

Epiphytes, Parasites, and Carnivores

Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the biosynthesis of the...
Responses to Salt Stress02:02

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
Defenses Against Pathogens and Herbivores02:26

Defenses Against Pathogens and Herbivores

Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
Transgenic Plants02:50

Transgenic Plants

Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...

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Related Experiment Video

Updated: Jul 2, 2026

Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn (Zea mays) As an Exemplar
07:19

Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn (Zea mays) As an Exemplar

Published on: August 6, 2018

The problem with nutritionally enhanced plants.

David R Schubert1

  • 1Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037-1099, USA. schubert@salk.edu

Journal of Medicinal Food
|August 30, 2008
PubMed
Summary
This summary is machine-generated.

Genetically modified (GM) plants engineered for enhanced nutrition may enter the food supply without safety testing. Rigorous review is urged for these novel GM plants producing biologically active molecules to ensure human health safety.

More Related Videos

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements
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Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Published on: July 13, 2016

Peptide-derived Method to Transport Genes and Proteins Across Cellular and Organellar Barriers in Plants
08:48

Peptide-derived Method to Transport Genes and Proteins Across Cellular and Organellar Barriers in Plants

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Last Updated: Jul 2, 2026

Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn (Zea mays) As an Exemplar
07:19

Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn (Zea mays) As an Exemplar

Published on: August 6, 2018

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements
09:13

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Published on: July 13, 2016

Peptide-derived Method to Transport Genes and Proteins Across Cellular and Organellar Barriers in Plants
08:48

Peptide-derived Method to Transport Genes and Proteins Across Cellular and Organellar Barriers in Plants

Published on: December 16, 2016

Area of Science:

  • Agricultural Biotechnology
  • Food Science
  • Human Health Risk Assessment

Background:

  • Next-generation genetically modified (GM) plants are being developed to enhance nutritional content, including vitamins, omega-3 fatty acids, and amino acids.
  • Current U.S. regulatory frameworks may permit these nutritionally enhanced GM plants and their products into the food supply without mandatory safety assessments.

Purpose of the Study:

  • To discuss the potential human health risks associated with GM plants engineered for elevated nutritional molecules.
  • To advocate for stringent safety testing protocols for GM plants designed to produce biologically active compounds.

Main Methods:

  • Discussion and analysis of potential risks based on the nature of the engineered biological activity.
  • Review of the current U.S. regulatory landscape for genetically modified organisms (GMOs).

Main Results:

  • GM plants engineered for enhanced nutrition may bypass rigorous safety evaluations under existing regulations.
  • The production of specific, biologically active molecules in plants poses potential, unassessed risks to human health.

Conclusions:

  • There is a critical need for comprehensive safety testing of GM plants engineered to produce elevated levels of nutritional or biologically active molecules.
  • A mandatory, scientifically robust review process is essential before the commercialization and consumption of these advanced GM plant varieties.