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Xylem and Transpiration-driven Transport of Resources

Xylem and Transpiration-driven Transport of Resources

The xylem of vascular plants distributes water and dissolved minerals that are taken up by the roots to the rest of the plant. The cells that transport xylem sap are dead upon maturity, and the movement of xylem sap is a passive process.

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Related Experiment Video

Updated: Jun 26, 2026

Xylem Water Distribution in Woody Plants Visualized with a Cryo-scanning Electron Microscope

Xylem Water Distribution in Woody Plants Visualized with a Cryo-scanning Electron Microscope

Published on: June 20, 2019

From xylem atlases to developmental continuity in forestry.

Hansheng Zhao¹, Huanming Yang²

¹International Centre for Bamboo and Rattan, Beijing 100102, China.

Trends in Plant Science

|June 24, 2026

Summary

Understanding poplar xylem development requires integrating cell atlases with anatomical context. This approach reveals developmental continuity, crucial for forestry research and applications.

Keywords:

developmental continuity forest biology spatial transcriptomics woody systems xylem development

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Area of Science:

Plant biology
Wood science
Transcriptomics

Background:

Cellular states alone often fail to capture the continuous nature of woody plant development.
Understanding developmental trajectories is essential for advancing forestry and wood science.

Purpose of the Study:

To investigate developmental continuity in poplar xylem using integrated transcriptomic data.
To establish a framework for interpreting cell-resolved atlases within their anatomical context.

Main Methods:

Integration of single-cell, single-nucleus, and spatial transcriptomics.
Analysis of poplar xylem tissue.

Main Results:

Cellular atlases are more explanatory when linked to anatomical context and developmental progression.
The study successfully recovered developmental continuity in poplar xylem.

Conclusions:

Interpreting cell-resolved atlases within anatomical context is key to understanding developmental continuity in plants.
This integrated approach provides a valuable model for forestry research and applications.