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Related Concept Videos

Cell Signaling in Plants01:25

Cell Signaling in Plants

Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
Plant Hormones01:56

Plant Hormones

Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
Plant Hormones01:56

Plant Hormones

Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
Phloem and Sugar Transport02:02

Phloem and Sugar Transport

Like many living organisms, plants have tissues that specialize in specific plant functions. For example, shoots are well adapted to rapid growth, while roots are structured to acquire resources efficiently. However, sugar production is primarily restricted to the photosynthetic cells that reside in the leaves of angiosperm plants. Sugar and other resources are transported from photosynthetic tissues to other specialized tissues by a process called translocation.
Short-distance Transport of Resources02:12

Short-distance Transport of Resources

Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
Morphogenesis02:19

Morphogenesis

Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.

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A Flexible Low Cost Hydroponic System for Assessing Plant Responses to Small Molecules in Sterile Conditions
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Published on: August 25, 2018

Sugars, signalling, and plant development.

Andrea L Eveland1, David P Jackson

  • 1Cold Spring Harbor Laboratory, 1 Bungtown Rd, Cold Spring Harbor, NY 11724, USA.

Journal of Experimental Botany
|December 6, 2011
PubMed
Summary
This summary is machine-generated.

Plants use sugars for energy and growth. Emerging research reveals sugars also act as signaling molecules, influencing plant development through hormonal interactions and direct effects.

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Area of Science:

  • Plant Biology
  • Molecular Plant Physiology

Background:

  • Plants convert light energy into chemical energy (sugars) via photosynthesis.
  • Carbohydrate metabolism is crucial for plant growth, cell division, and expansion.
  • Sugars can also function as signaling molecules regulating plant development.

Purpose of the Study:

  • To review the specific roles of sugars in plant development.
  • To explore the interplay between sugar and hormonal signaling pathways.
  • To discuss the direct developmental impacts of sugars.

Main Methods:

  • Analysis of mutant phenotypes (e.g., stimpy, ramosa3) affected by sugar levels.
  • Investigation of sugar signaling pathways in plant development.
  • Review of literature on trehalose-6-phosphate's role in inflorescence development.

Main Results:

  • Sugar signaling influences distinct aspects of plant development beyond basic metabolism.
  • Cross-talk exists between sugar and hormonal signaling pathways.
  • Specific sugars and sugar-related molecules (e.g., trehalose-6-phosphate) directly impact developmental processes.

Conclusions:

  • Sugars play dual roles in plants: as metabolic fuels and developmental signals.
  • Understanding sugar signaling is key to deciphering plant plasticity and environmental responses.
  • Further research is needed to elucidate the precise mechanisms of sugar-mediated development.